Title: Colombo to Washington cheap flights from $737 (CMB to IAD) - Expedia.com ![Washington DC in Spring](https://images.trvl-media.com/place/3763/58eb1a51-e7f1-4f17-88af-21174d495e42.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3763/58eb1a51-e7f1-4f17-88af-21174d495e42.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $737 Cheap Flights from Colombo (CMB) to Washington (IAD) [View $737 flight on Sat, Oct 10, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:CMB,to:IAD,departure:10/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:736.43&airProductToken=AQqrAQo-CMGSARIENjIyMxiCCyDBYyjhhpoDMPyHmgM4VUAAWAFqB0VDT1ZBTFVyCFVMM1lYU0NNegkI1ZgBEgMxNDMKMwjBkgESAzE5MRjBYyDEjQEoqIqaAzDykZoDOFVAAVgBagdFQ09WQUxVcghVTDNZWFNDTQo0CNWCARIEMjY3NxjEjQEgiBgopJeaAzCBmJoDOExAAVgBagdFQ09WQUxVcghVTDNZWFNDTRIKCAEQARgBKgJBSRgBIgQIARABKAIoAygEMAE) ## Popular airlines from Bandaranaike Intl. Airport (CMB) to Washington Dulles Intl. Airport (IAD) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EY.svg) Etihad Airways [](https://www.expedia.com/Flights-Search?leg1=from:CMB,to:IAD,departure:4/17/2026TANYT&leg2=from:IAD,to:CMB,departure:4/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EY"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EK.svg) Emirates [](https://www.expedia.com/Flights-Search?leg1=from:CMB,to:IAD,departure:4/17/2026TANYT&leg2=from:IAD,to:CMB,departure:4/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EK"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QR.svg) Qatar Airways [](https://www.expedia.com/Flights-Search?leg1=from:CMB,to:IAD,departure:4/17/2026TANYT&leg2=from:IAD,to:CMB,departure:4/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QR"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CMB,to:IAD,departure:4/17/2026TANYT&leg2=from:IAD,to:CMB,departure:4/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.com/Flights-Search?leg1=from:CMB,to:IAD,departure:4/17/2026TANYT&leg2=from:IAD,to:CMB,departure:4/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_GF.svg) Gulf Air [](https://www.expedia.com/Flights-Search?leg1=from:CMB,to:IAD,departure:4/17/2026TANYT&leg2=from:IAD,to:CMB,departure:4/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"GF"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:CMB,to:IAD,departure:4/17/2026TANYT&leg2=from:IAD,to:CMB,departure:4/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Colombo to Washington (CMB-IAD) Prices were available within the past 7 days and start at $737 for one-way flights and $963 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![SriLankan Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UL.gif) Mon, Dec 21 - Tue, Jan 5 CMB Colombo IAD Washington $963 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CMB,to:IAD,departure:12/21/2026TANYT&leg2=from:IAD,to:CMB,departure:1/5/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:962.63&airProductToken=AQqdAQozCNWYARIDMjI1GIILIOMNKLaxoAMwzrOgAzhTQABYAWoIRUNPU0FWRVJyCFRYSllLWU5DCjIIz6YBEgI5MBjjDSCVIii9t6ADMLm6oAM4VEABWAFqCEVDT1NBVkVScghUWEpZS1lOQwoyCM-mARICNDEYlSIgiBgo_7qgAzC-v6ADOFRAAVgBaghFQ09TQVZFUnIIVFhKWUtZTkMKnwEKMwjMkAESAzQxORiIGCClBCjk3qEDMLDioQM4S0AAWAFqCEVDT1NBVkVScghLWEpRS1lOQwozCMyQARIDNjMwGKUEIOMNKI7loQMwj-ihAzhLQAFYAWoIRUNPU0FWRVJyCEtYSlFLWU5DCjMIxZYBEgM2NTQY4w0gggsore2hAzCx76EDOExAAVgBaghFQ09TQVZFUnIIS1hKUUtZTkMSCggBEAEYASoCT1MYASIECAEQASgCKAMoBDAB) ![Emirates](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EK.gif) Mon, Dec 21 - Tue, Jan 5 CMB Colombo IAD Washington $976 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CMB,to:IAD,departure:12/21/2026TANYT&leg2=from:IAD,to:CMB,departure:1/5/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:975.83&airProductToken=AQqfAQozCMWWARIDNjQ5GIILIOMNKPapoAMwiaygAzhMQABYAWoIRUNPU0FWRVJyCFRYSllLWU5DCjMIzJABEgM2MzkY4w0gjBUo4K2gAzD1sKADOFRAAVgBaghFQ09TQVZFUnIIVFhKWUtZTkMKMwjMkAESAzQxNBiMFSCIGCjbsqADMIG3oAM4VEABWAFqCEVDT1NBVkVScghUWEpZS1lOQwqfAQozCMyQARIDNDE5GIgYIKUEKOTeoQMwsOKhAzhLQABYAWoIRUNPU0FWRVJyCEtYSlFLWU5DCjMIzJABEgM2MzAYpQQg4w0ojuWhAzCP6KEDOEtAAVgBaghFQ09TQVZFUnIIS1hKUUtZTkMKMwjFlgESAzY1NBjjDSCCCyit7aEDMLHvoQM4TEABWAFqCEVDT1NBVkVScghLWEpRS1lOQxIKCAEQARgBKgJMSBgBIgQIARABKAIoAygEMAE) ![SriLankan Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UL.gif) Mon, Dec 21 - Tue, Jan 5 CMB Colombo IAD Washington $986 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CMB,to:IAD,departure:12/21/2026TANYT&leg2=from:IAD,to:CMB,departure:1/5/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:985.83&airProductToken=AQqrAQozCNWYARIDMjI1GIILIOMNKLaxoAMwzrOgAzhTQABYAWoIRUNPU0FWRVJyCFRYSllLWU5DCjMIzJABEgM2MzEY4w0gpQQoqrWgAzDduKADOFRAAVgBaghFQ09TQVZFUnIIVFhKWUtZTkMKPwjMkAESBDkyOTAYpQQgiBgotrugAzDXv6ADOFRAAVgBaghFQ09TQVZFUnIIVFhKWUtZTkN6CQjVggESAzk4OAqfAQozCMyQARIDNDE5GIgYIKUEKOTeoQMwsOKhAzhLQABYAWoIRUNPU0FWRVJyCEtYSlFLWU5DCjMIzJABEgM2MzAYpQQg4w0ojuWhAzCP6KEDOEtAAVgBaghFQ09TQVZFUnIIS1hKUUtZTkMKMwjFlgESAzY1NBjjDSCCCyit7aEDMLHvoQM4TEABWAFqCEVDT1NBVkVScghLWEpRS1lOQxIKCAEQARgBKgJMSBgBIgQIARABKAIoAygEMAE) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Wed, Jun 17 - Sat, Nov 14 CMB Colombo IAD Washington $1,043 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CMB,to:IAD,departure:6/17/2026TANYT&leg2=from:IAD,to:CMB,departure:11/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1042.13&airProductToken=AQq4AQo_CMGGARIENjg4MBiCCyDiMCjD8o8DMNf3jwM4S0AAWAFqCFNUQU5EQVJEcghLWEpRS1lOQ3oJCNWYARIDNTAxCjMIwYYBEgM4NzEY4jAgmF0omvmPAzDh_I8DOEtAAVgBaghTVEFOREFSRHIIS1hKUUtZTkMKQAjBhgESBDQ2NzQYmF0giBgoi_6PAzCI_48DOEtAAVgBaghTVEFOREFSRHIIS1hKUUtZTkN6CgjVggESBDM2NzEKngEKMgjMsAESAjczGIgYILk8KPqWnQMw35qdAzhLQABYAWoIRUNPU0FWRVJyCEtYSlFLWU5DCjMIzLABEgMyNDIYuTwg4w0o65udAzDnnp0DOEtAAVgBaghFQ09TQVZFUnIIS1hKUUtZTkMKMwjFlgESAzY1MBjjDSCCCyjroJ0DMOqinQM4TEABWAFqCEVDT1NBVkVScghLWEpRS1lOQxIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMAE) ![Etihad Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) Fri, May 1 - Thu, May 7 CMB Colombo IAD Washington $1,276 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CMB,to:IAD,departure:5/1/2026TANYT&leg2=from:IAD,to:CMB,departure:5/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1275.13&airProductToken=AQpkCjEIxbIBEgMzOTcYggsggD0otOqLAzDC7IsDOFVAAFgBagZZQkFTSUNyCFVOTjA3SDY5Ci8IxbIBEgE1GIA9IIgYKNPtiwMwufSLAzhVQAFYAWoGWUJBU0lDcghVTk4wN0g2OQpkCi8IxbIBEgE2GIgYIIA9KJ6vjAMwr7WMAzhVQABYAWoGWUJBU0lDcghVTlgwQUg2OQoxCMWyARIDMzk0GIA9IIILKLK5jAMwyruMAzhVQAFYAWoGWUJBU0lDcghVTlgwQUg2ORIKCAEQARgBKgJFWRgBIgQIARABKAIoAygEMAE) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Mon, Jun 15 - Mon, Sep 14 CMB Colombo IAD Washington $1,344 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CMB,to:IAD,departure:6/15/2026TANYT&leg2=from:IAD,to:CMB,departure:9/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1343.13&airProductToken=AQpaCiwI1JYBEgM3MzEYggsgyJwBKNDdjwMw0-GPAzhMQABYAWoCUlNyBkxGMlhQWAoqCNSWARIBNxjInAEgiBgoguOPAzCW6I8DOExAAVgBagJSU3IGTEYyWFBYClwKLAjUlgESAzE4OBiIGCDInAEo8OSXAzC-6ZcDOExAAFgBagJSU3IGTEYyWFBYCiwI1JYBEgM3MzAYyJwBIIILKKzvlwMwlvOXAzhMQAFYAWoCUlNyBkxGMlhQWBIMCAEQARgBKgJUSzIAGAEiBAgBEAEoAigEKAYwAQ) ![Qatar Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QR.gif) Mon, May 4 - Wed, May 13 CMB Colombo IAD Washington $1,346 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CMB,to:IAD,departure:5/4/2026TANYT&leg2=from:IAD,to:CMB,departure:5/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1345.53&airProductToken=AQpqCjMI0aQBEgM2NTUYggsgwzso-YqMAzCHjYwDOE9AAFgBaghFQ0xBU1NJQ3IIT0pMS1AxUkUKMwjRpAESAzcwORjDOyCIGCj8jowDMNiVjAM4T0ABWAFqCEVDTEFTU0lDcghPSkxLUDFSRQpqCjMI0aQBEgM3MTAYiBggwzso5PCMAzDc9owDOE9AAFgBaghFQ0xBU1NJQ3IIT0pMS1AxUkUKMwjRpAESAzY2MhjDOyCCCyiY_IwDML_-jAM4T0ABWAFqCEVDTEFTU0lDcghPSkxLUDFSRRIKCAEQARgBKgJRUhgBIgQIARABKAIoBCgGMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, May 11 - Tue, Jan 26 CMB Colombo IAD Washington $1,346 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CMB,to:IAD,departure:5/11/2026TANYT&leg2=from:IAD,to:CMB,departure:1/26/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1345.53&airProductToken=AQqAAQo-CMGCARIEODI0OBiCCyDDOyiZ0owDMKfUjAM4T0AAWAFqB01BSU5TRkxyCE9OWDBFQ04zegkI0aQBEgM2NjMKPgjBggESBDgxMTkYwzsgiBgo-dWMAzDV3IwDOE9AAVgBagdNQUlOU0ZMcghPTlgwRUNOM3oJCNGkARIDNzA3CoABCj4IwYIBEgQ4MTIwGIgYIMM7KIHMowMw-dGjAzhPQABYAWoHTUFJTlNGTHIIT05YMEVDTjN6CQjRpAESAzcwOAo-CMGCARIEODE3NhjDOyCCCyjs0qMDMInVowM4T0ABWAFqB01BSU5TRkxyCE9OWDBFQ04zegkI0aQBEgM2NTgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, Jun 20 - Mon, Jul 20 CMB Colombo IAD Washington $1,456 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CMB,to:IAD,departure:6/20/2026TANYT&leg2=from:IAD,to:CMB,departure:7/20/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1455.33&airProductToken=AQqlAQo1CMGGARIENjg4NxiCCyDriQEo7JiQAzCUnpADOEtAAFgBaghTVEFOREFSRHIIS1hKUUtZTkMKNQjBhgESAzg1MxjriQEgmM4BKIKkkAMw06eQAzhLQAFYAWoIU1RBTkRBUkRyCEtYSlFLWU5DCjUIwYYBEgQ4NjE2GJjOASCIGCjzqJADMMypkAM4S0ABWAFqCFNUQU5EQVJEcghLWEpRS1lOQwqjAQo1CMGGARIEMzg1NxiIGCCYzgEohvOSAzDq85IDOFZAAFgBaghTVEFOREFSRHIIVlhKWEtZTkMKNAjBhgESAzg3MhiYzgEg4jAow_2SAzCAgZMDOFZAAVgBaghTVEFOREFSRHIIVlhKWEtZTkMKNAjBhgESBDY4ODAY4jAgggsosYOTAzCniJMDOFZAAVgBaghTVEFOREFSRHIIVlhKWEtZTkMSDAgCEAEYAioCQUMyABgBIgQIARABKAIoAygEMA0) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Mon, Jun 15 - Mon, Sep 14 CMB Colombo IAD Washington $1,678 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CMB,to:IAD,departure:6/15/2026TANYT&leg2=from:IAD,to:CMB,departure:9/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1677.63&airProductToken=AQqkAQo1CMuYARIENDUyOBiCCyDhigEoseSPAzCQ5Y8DOEVAAFgBaghMSUdIVEJBR3IIRUdMME5CUkEKNQjLmAESBDIyODkY4YoBIOIwKKvmjwMwjeuPAzhFQAFYAWoITElHSFRCQUdyCEVHTDBOQlJBCjQIy5gBEgQyMTIwGOIwIIgYKM3tjwMw1fGPAzhFQAFYAWoITElHSFRCQUdyCEVHTDBOQlJBCqQBCjQIy5gBEgM2NTIYiBgggJMBKJLnlwMwz-qXAzhWQABYAWoITElHSFRCQUdyCFZHUzNOSFJBCjUIy5gBEgM4NzkYgJMBIOGKASjl65cDMKnwlwM4VkABWAFqCExJR0hUQkFHcghWR1MzTkhSQQo1CMuYARIENDcxMhjhigEgggso9_SXAzDM9ZcDOFZAAVgBaghMSUdIVEJBR3IIVkdTM05IUkESDAgBEAEYASoCS0wyABgBIgQIARABKAIoAygEMAE) ## Alternative airports near Washington Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:CMB,to:IAD,departure:4/17/2026TANYT&leg2=from:IAD,to:CMB,departure:4/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) IAD Washington Dulles Intl. Cheapest 36 min [Flights from $1,363 ](https://www.expedia.com/Flights-Search?leg1=from:CMB,to:IAD,departure:4/17/2026TANYT&leg2=from:IAD,to:CMB,departure:4/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much does a flight from Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost? ### What is the cheapest month to fly from Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.)? ### Which airlines fly direct from Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.)? ### What is the cheapest airline that flies from Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.)? ### How do I find cheap flights from Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.)? ### What is the best time to fly from Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.)? ### What is the earliest flight from Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.)? ### What are the most popular departure times for flights from Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.)? ### How long does it take to fly from Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.)? ### Can you fly business or first class from Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.)? > - Qatar Airways > - SriLankan Airlines > - Air India > - Turkish Airlines > - Etihad Airways > - Edelweiss Air > - Cathay Pacific > - flydubai > - Air China > - Emirates ### How do I earn miles on a Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia? ### What airports do you fly into for Washington from Bandaranaike Intl. (CMB)? ### Is it cheaper to buy a plane ticket from Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute? ### Is it cheaper to book a Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package? ### Can I cancel or change the date of my flight from Colombo (CMB-Bandaranaike Intl.) to Washington, DC (IAD-Washington Dulles Intl.)? ## Travel information | Origin airport | Bandaranaike Intl. | | ------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Washington Dulles Intl. | | Airlines serving | Air Canada, Air France, American Airlines, British Airways, Cathay Pacific, Emirates, Etihad Airways, Gulf Air, JetBlue Airways, KLM, Lufthansa, Qatar Airways, SriLankan Airlines, Swiss International Air Lines, Turkish Airlines | | Roundtrip price | $963 | | Distance | 8933 mi | ## Book with confidence # Colombo to Washington Flights The cheapest times to fly from Colombo to Washington On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Colombo to Washington are during the month of December. You can find some of the cheapest flights from Colombo to Washington with Expedia's search tool and vast selection of airlines. The best time to book a flight from Colombo to Washington Sunday is one of the best days to book for cheap flights from Colombo to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Colombo to Washington Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Colombo to Washington in 2026\. You can also book with separate airlines for your outbound and return journeys, from $737 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Colombo to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Colombo to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. \*Flight schedules are subject to change. \*Available to One Key members. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - Other - [Dulles Hotels ](https://www.expedia.com/Dulles-Hotels.d553248635975867357.Travel-Guide-Hotels) - [Gay friendly Hotels in Dulles ](https://www.expedia.com/Dulles-Hotels-LGBT-Welcoming-Hotel.0-0-d553248635975867357-tLGBTWelcomingHotel.Travel-Guide-Filter-Hotels) - [Hotels near Center for Innovative Technology Complex ](https://www.expedia.com/Center-For-Innovative-Technology-Complex-Hotels.0-l6224995-0.Travel-Guide-Filter-Hotels) - [Hotels near Frying Pan Farm Park ](https://www.expedia.com/Frying-Pan-Farm-Park-Hotels.0-l6283542-0.Travel-Guide-Filter-Hotels) - [Hotels near Steven F. Udvar-Hazy Center ](https://www.expedia.com/Steven-F-Udvar-Hazy-Center-Hotels.0-l6083575-0.Travel-Guide-Filter-Hotels) - [Herndon Hotels ](https://www.expedia.com/Herndon-Hotels.d7596.Travel-Guide-Hotels) - [Hotels near Herndon Centennial Golf Course ](https://www.expedia.com/Herndon-Centennial-Golf-Course-Hotels.0-l6283304-0.Travel-Guide-Filter-Hotels) - [Hotels near Sully Historic Site ](https://www.expedia.com/Sully-Historic-Site-Hotels.0-l6283739-0.Travel-Guide-Filter-Hotels) - [Cheap Hotels in Herndon ](https://www.expedia.com/Herndon-Hotels-Cheap-Hotels.0-0-d7596-tCheapHotels.Travel-Guide-Filter-Hotels) - [Hotels near ArtSpace Herndon ](https://www.expedia.com/ArtSpace-Herndon-Hotels.0-l553248621532661915-0.Travel-Guide-Filter-Hotels) - [Sterling Hotels ](https://www.expedia.com/Sterling-Hotels.d9843.Travel-Guide-Hotels) - [Hotels with Suites in Herndon ](https://www.expedia.com/Herndon-Hotels-Hotel-Suites.0-0-d7596-tHotelSuites.Travel-Guide-Filter-Hotels) - [Hotels with Kitchenettes in Herndon ](https://www.expedia.com/Herndon-Hotels-Hotels-With-Kitchens.0-0-d7596-tHotelswithKitchens.Travel-Guide-Filter-Hotels) - [Luxury Hotels in Herndon ](https://www.expedia.com/Herndon-Hotels-Luxury-Hotel.0-0-d7596-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Pet-Friendly Hotels in Herndon ](https://www.expedia.com/Herndon-Hotels-Pet-Friendly-Hotel.0-0-d7596-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [Hotels with Free Airport Shuttle in Sterling ](https://www.expedia.com/Sterling-Hotels-Hotels-With-Free-Airport-Shuttle.0-0-d9843-tHotelswithFreeAirportShuttle.Travel-Guide-Filter-Hotels) - [Motels in Herndon ](https://www.expedia.com/Herndon-Motels.d7596-aaMotels.Travel-Guide-Accommodation) - [Resorts & Hotels with Spas in Herndon ](https://www.expedia.com/Herndon-Hotels-Spa-Hotel.0-0-d7596-tSpaHotel.Travel-Guide-Filter-Hotels) - [Hotels with Free Breakfast in Herndon ](https://www.expedia.com/Herndon-Hotels-Hotels-With-Complimentary-Breakfast.0-0-d7596-tHotelswithComplimentaryBreakfast.Travel-Guide-Filter-Hotels) - [Extended Stay Hotels in Herndon ](https://www.expedia.com/Herndon-Hotels-Extended-Stay-Hotels.0-0-d7596-tExtendedStayHotels.Travel-Guide-Filter-Hotels) - [Condo Rentals in Herndon ](https://www.expedia.com/Herndon-Condos.d7596-aaCondos.Travel-Guide-Accommodation) - [Flights from Dulles ](https://www.expedia.com/lp/flights/553248635975867357/flights-from-dulles) - [Boston to Herndon ](https://www.expedia.com/lp/flights/178239/7596/boston-to-herndon) - [Houston to Herndon ](https://www.expedia.com/lp/flights/178265/7596/houston-to-herndon) - [Flights to Oak Grove ](https://www.expedia.com/Cheap-Flights-To-Oak-Grove.d553248635975847652.Travel-Guide-Flights) - [Boston to Sterling ](https://www.expedia.com/lp/flights/178239/9843/boston-to-sterling) - [Houston to Sterling ](https://www.expedia.com/lp/flights/178265/9843/houston-to-sterling) - [Flights to Herndon ](https://www.expedia.com/Cheap-Flights-To-Herndon.d7596.Travel-Guide-Flights) - [Flights from Herndon ](https://www.expedia.com/lp/flights/7596/flights-from-herndon) - [Flights from Oak Hill ](https://www.expedia.com/lp/flights/553248635975849526/flights-from-oak-hill) - [Dulles Vacations ](https://www.expedia.com/Dulles.d553248635975867357.Destination-Travel-Guides) - [Center for Innovative Technology Complex ](https://www.expedia.com/Center-For-Innovative-Technology-Complex-Herndon.d6224995.Vacation-Attraction) - [Frying Pan Farm Park ](https://www.expedia.com/Frying-Pan-Farm-Park-Herndon.d6283542.Vacation-Attraction) - [Steven F. Udvar-Hazy Center ](https://www.expedia.com/Steven-F-Udvar-Hazy-Center-Chantilly.d6083575.Vacation-Attraction) - [Herndon Centennial Golf Course ](https://www.expedia.com/Herndon-Centennial-Golf-Course-Herndon.d6283304.Vacation-Attraction) - [Sully Historic Site ](https://www.expedia.com/Sully-Historic-Site-Chantilly.d6283739.Vacation-Attraction) - [Artspace Herndon ](https://www.expedia.com/ArtSpace-Herndon-Herndon.d553248621532661915.Vacation-Attraction) - [Visit Herndon ](https://www.expedia.com/Herndon.dx7596) - [Car rentals near Dulles ](https://www.expedia.com/Car-Rentals-In-Dulles.d553248635975867357.Car-Rental-Guide) - [Car rentals near Steven F. Udvar-Hazy Center ](https://www.expedia.com/Car-Rentals-In-Steven-F-Udvar-Hazy-Center.d6083575.Car-Rental-Guide) - [Car rentals near Oak Grove ](https://www.expedia.com/Car-Rentals-In-Oak-Grove.d553248635975847652.Car-Rental-Guide) - [Car rentals near Herndon Centennial Golf Course ](https://www.expedia.com/Car-Rentals-In-Herndon-Centennial-Golf-Course.d6283304.Car-Rental-Guide) - [Car rentals near Herndon ](https://www.expedia.com/Car-Rentals-In-Herndon.d7596.Car-Rental-Guide) - [Enterprise Rental Cars in Herndon ](https://www.expedia.com/Enterprise-Car-Rentals-In-Herndon.d7596-c15.Car-Rental-Guide-Suppliers) - [Avis Rental Cars in Herndon ](https://www.expedia.com/Avis-Car-Rentals-In-Herndon.d7596-c41.Car-Rental-Guide-Suppliers) - [Car rentals near Oak Hill ](https://www.expedia.com/Car-Rentals-In-Oak-Hill.d553248635975849526.Car-Rental-Guide) - [Van Car Rentals in Herndon ](https://www.expedia.com/Van-Car-Rentals-In-Herndon.d7596-tVan.Car-Rental-Guide-Class) - [Dulles Vacation Rentals ](https://www.expedia.com/Dulles-Vacation-Rentals.d553248635975867357.Travel-Guide-VacationRentals) - [Things to do in Herndon ](https://www.expedia.com/Things-To-Do-In-Herndon.d7596.Travel-Guide-Activities)