Title: $900 Cheap flights from Washington to Melbourne (DCA to MEL) - Expedia.com ![Southbank featuring a river or creek, a high rise building and a bridge](https://images.trvl-media.com/place/601789/e6ed288f-8cd0-4f72-913d-cdaea886832a.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/601789/e6ed288f-8cd0-4f72-913d-cdaea886832a.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $900 Cheap Flights from Washington (DCA) to Melbourne (MEL) [View $900 flight on Tue, Aug 11, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:DCA,to:MEL,departure:8/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:899.40&airProductToken=AQppCjkI0YwBEgQ0MzAwGEMgi7gBKKrolAMw9-qUAzhPQABYAWoERUNTTHIFT0pYNVV6CgjBggESBDMyODMKLAjRjAESAjk0GIu4ASCMWSji65QDMJ3zlAM4T0AAWAFqBEVDU0xyBU9KWDVVEgoIARABGAEqAlFGGAEiBAgBEAEoAigDKAQwCw) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Ronald Reagan Washington National Airport (DCA) to Melbourne Airport (MEL) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QF.svg) Qantas Airways [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:MEL,departure:2/26/2026TANYT&leg2=from:MEL,to:DCA,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QF"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:MEL,departure:2/26/2026TANYT&leg2=from:MEL,to:DCA,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CX.svg) Cathay Pacific [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:MEL,departure:2/26/2026TANYT&leg2=from:MEL,to:DCA,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CX"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NZ.svg) Air New Zealand [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:MEL,departure:2/26/2026TANYT&leg2=from:MEL,to:DCA,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NZ"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:MEL,departure:2/26/2026TANYT&leg2=from:MEL,to:DCA,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](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:DCA,to:MEL,departure:2/26/2026TANYT&leg2=from:MEL,to:DCA,departure:3/5/2026TANYT&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_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:MEL,departure:2/26/2026TANYT&leg2=from:MEL,to:DCA,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](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 Washington to Melbourne (DCA-MEL) Prices were available within the past 7 days and start at $900 for one-way flights and $1,296 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, May 12 - Wed, May 20 DCA Washington MEL Melbourne $1,296 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:MEL,departure:5/12/2026TANYT&leg2=from:MEL,to:DCA,departure:5/20/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1295.63&airProductToken=AQqjAQoxCMGGARIEODc4MxhDIJjOASjE5YwDMKDmjAM4R0AAWAFqBUJBU0lDcghHTFhQMDNCQQowCMGGARICMzMYmM4BIJIeKKTpjAMw4POMAzhHQAFYAWoFQkFTSUNyCEdMWFAwM0JBCjwIwYYBEgQyNzk4GJIeIIxZKID1jAMw3_WMAzhHQAFYAWoFQkFTSUNyCEdMWFAwM0JBegkI1oIBEgM4MzAKlwEKMAjKogESAzUyOBiMWSCSHijrvI0DMMC9jQM4SUAAWAFqBUJBU0lDcghHTFdQMDNCQQowCMGGARICMzQYkh4gmM4BKLjDjQMwsM2NAzhHQAFYAWoFQkFTSUNyCEdMV1AwM0JBCjEIwYYBEgQ4Nzg0GJjOASBDKKHOjQMw_s6NAzhHQAFYAWoFQkFTSUNyCEdMV1AwM0JBEgoIAhABGAIqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Nov 3 - Tue, Nov 24 DCA Washington MEL Melbourne $1,300 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:MEL,departure:11/3/2026TANYT&leg2=from:MEL,to:DCA,departure:11/24/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1299.93&airProductToken=AQqsAQo0CMGGARIEODc4MxhDIJjOASiQlpwDMO-WnAM4R0AAWAFqCFNUQU5EQVJEcghHTFhQMDNURwozCMGGARICMzMYmM4BIJIeKISanAMwi6WcAzhHQAFYAWoIU1RBTkRBUkRyCEdMWFAwM1RHCj8IwYYBEgQyNzc2GJIeIIxZKJymnAMw-6acAzhHQAFYAWoIU1RBTkRBUkRyCEdMWFAwM1RHegkI1oIBEgM4MzgKrAEKPwjBhgESBDI3NzcYjFkgkh4ojPqdAzDh-p0DOEdAAFgBaghTVEFOREFSRHIIR0xYUDAzVEd6CQjWggESAzgxOQozCMGGARICMzQYkh4gmM4BKNT7nQMwyYWeAzhHQAFYAWoIU1RBTkRBUkRyCEdMWFAwM1RHCjQIwYYBEgQ4Nzg2GJjOASBDKLiGngMwmYeeAzhHQAFYAWoIU1RBTkRBUkRyCEdMWFAwM1RHEgoIAhABGAIqAkFDGAEiBAgBEAEoAigDKAQwDQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, May 12 - Wed, May 20 DCA Washington MEL Melbourne $1,305 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:MEL,departure:5/12/2026TANYT&leg2=from:MEL,to:DCA,departure:5/20/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1304.53&airProductToken=AQqXAQoxCMGGARIEODc4MxhDIJjOASjE5YwDMKDmjAM4R0AAWAFqBUJBU0lDcghHTFhQMDNCQQowCMGGARICMzMYmM4BIJIeKKTpjAMw4POMAzhHQAFYAWoFQkFTSUNyCEdMWFAwM0JBCjAI0YwBEgM0MjUYkh4gjFkoxPSMAzCj9YwDOFFAAVgBagVCQVNJQ3IIR0xYUDAzQkEKlwEKMAjKogESAzUzMBiMWSCSHiinvY0DMPy9jQM4SUAAWAFqBUJBU0lDcghHTFdQMDNCQQowCMGGARICMzQYkh4gmM4BKLjDjQMwsM2NAzhHQAFYAWoFQkFTSUNyCEdMV1AwM0JBCjEIwYYBEgQ4Nzg0GJjOASBDKKHOjQMw_s6NAzhHQAFYAWoFQkFTSUNyCEdMV1AwM0JBEgoIAhABGAIqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Thu, May 21 - Sun, May 31 DCA Washington MEL Melbourne $1,307 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:MEL,departure:5/21/2026TANYT&leg2=from:MEL,to:DCA,departure:5/31/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1306.93&airProductToken=AQqkAQoxCMGGARIEODc4MRhDIJjOASjzyI0DMM_JjQM4R0AAWAFqBUJBU0lDcghHTFlQMDJCQQowCMGGARICMzMYmM4BIJIeKMTOjQMwgNmNAzhHQAFYAWoFQkFTSUNyCEdMWVAwMkJBCj0IwYYBEgQyNzk2GJIeIIxZKILajQMw4dqNAzhHQAFYAWoFQkFTSUNyCEdMWVAwMkJBegoI1oIBEgQyNzk2CqMBCjwIwYYBEgQyNzI1GIxZIJIeKKW5jgMw-rmOAzhHQABYAWoFQkFTSUNyCEdMWVAwMkJBegkI1oIBEgM4OTcKMAjBhgESAjM0GJIeIJjOASiYv44DMJDJjgM4R0ABWAFqBUJBU0lDcghHTFlQMDJCQQoxCMGGARIEODc4NBiYzgEgQyiByo4DMN7KjgM4R0ABWAFqBUJBU0lDcghHTFlQMDJCQRIKCAIQARgCKgJBQxgBIgQIARABKAIoAygEMA0) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, May 12 - Wed, May 20 DCA Washington MEL Melbourne $1,309 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:MEL,departure:5/12/2026TANYT&leg2=from:MEL,to:DCA,departure:5/20/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1308.83&airProductToken=AQqXAQoxCMGGARIEODc4MxhDIJjOASjE5YwDMKDmjAM4R0AAWAFqBUJBU0lDcghHTFhQMDNCQQowCMGGARICMzMYmM4BIJIeKKTpjAMw4POMAzhHQAFYAWoFQkFTSUNyCEdMWFAwM0JBCjAI0YwBEgM0MjUYkh4gjFkoxPSMAzCj9YwDOFFAAVgBagVCQVNJQ3IIR0xYUDAzQkEKlwEKMAjWggESAzg5NRiMWSCSHii2vY0DMIu-jQM4SUAAWAFqBUJBU0lDcghHTFdQMDNCQQowCMGGARICMzQYkh4gmM4BKLjDjQMwsM2NAzhHQAFYAWoFQkFTSUNyCEdMV1AwM0JBCjEIwYYBEgQ4Nzg0GJjOASBDKKHOjQMw_s6NAzhHQAFYAWoFQkFTSUNyCEdMV1AwM0JBEgoIAhABGAIqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sun, Aug 30 - Sat, Sep 26 DCA Washington MEL Melbourne $1,313 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:MEL,departure:8/30/2026TANYT&leg2=from:MEL,to:DCA,departure:9/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1312.33&airProductToken=AQqXAQoxCMGGARIEODc4MxhDIJjOASiEu5YDMNu7lgM4S0AAWAFqBUJBU0lDcghLTFhQMDNCQQowCMGGARICMzMYmM4BIJIeKOS-lgMwoMmWAzhLQAFYAWoFQkFTSUNyCEtMWFAwM0JBCjAI1oIBEgM4MjYYkh4gjFkoosqWAzCBy5YDOElAAVgBagVCQVNJQ3IIS0xYUDAzQkEKlwEKMAjKogESAzUzMhiMWSCSHijq6JgDML_pmAM4SUAAWAFqBUJBU0lDcghHTFhQMDNCQQowCMGGARICMzQYkh4gmM4BKNjumAMwzfiYAzhHQAFYAWoFQkFTSUNyCEdMWFAwM0JBCjEIwYYBEgQ4Nzg0GJjOASBDKMH5mAMwoPqYAzhHQAFYAWoFQkFTSUNyCEdMWFAwM0JBEgoIAhABGAIqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Air New Zealand](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/NZ.gif) Wed, Apr 1 - Sun, Apr 19 DCA Washington MEL Melbourne $1,343 Roundtrip found 4 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:MEL,departure:4/1/2026TANYT&leg2=from:MEL,to:DCA,departure:4/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1342.23&airProductToken=AQqVAQo4CM60ARIENjQ4MRhDIIg4KPmZiQMw0JuJAzhTQABYAWoCRUNyB0tYODdBTll6CgjVggESBDEzODEKKwjOtAESAjI5GIg4IMBaKLOdiQMwnqSJAzhLQAFYAWoCRUNyB0tYODdBTlkKLAjOtAESAzEyMRjAWiCMWSjrpYkDMNuniQM4S0ABWAFqAkVDcgdLWDg3QU5ZCpUBCiwIzrQBEgMxMjIYjFkgwFoo4tyKAzC53ooDOEtAAFgBagJFQ3IHS1g4N0FOWQorCM60ARICMjgYwFogiDgott-KAzDl5YoDOEtAAVgBagJFQ3IHS1g4N0FOWQo4CM60ARIENjQ3NhiIOCBDKMnmigMwh-iKAzhHQAFYAWoCRUNyB0tYODdBTll6CgjVggESBDE2MjcSCggBEAEYASoCTloYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, Mar 2 - Wed, Mar 18 DCA Washington MEL Melbourne $1,382 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:MEL,departure:3/2/2026TANYT&leg2=from:MEL,to:DCA,departure:3/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1381.73&airProductToken=AQptCjUIxJgBEgQxMDcxGEMgi7gBKPLJhgMw4cyGAzhFQABYAWoJTUFJTkJBU0lDcghWTFgwNVBCQQo0CMSYARICMTEYi7gBIIxZKKfNhgMw7NSGAzhFQAFYAWoJTUFJTkJBU0lDcghWTFgwNVBCQQpsCjQIxJgBEgIxMhiMWSCLuAEo8vKHAzDs-YcDOEVAAFgBaglNQUlOQkFTSUNyCFZMWDA1UEJBCjQIxJgBEgMzOTIYi7gBIEMo2vqHAzDy_IcDOEVAAVgBaglNQUlOQkFTSUNyCFZMWDA1UEJBEgwIARABGAEqAkRMMgAYASIECAEQASgCKAMoBDAB) ![Qantas Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QF.gif) Mon, Apr 6 - Mon, May 4 DCA Washington MEL Melbourne $1,539 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:MEL,departure:4/6/2026TANYT&leg2=from:MEL,to:DCA,departure:5/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1538.03&airProductToken=AQppCjkI0YwBEgQ0ODU0GEMgo7EBKIbSiQMw5tOJAzhPQABYAWoERUNTTHIFT0pYNVN6CgjBggESBDExNzcKLAjRjAESAjIyGKOxASCMWSiw1YkDMNTdiQM4T0AAWAFqBEVDU0xyBU9KWDVTCmkKLAjRjAESAjIxGIxZIKOxASiXhowDMOGNjAM4T0AAWAFqBEVDU0xyBU9KWDVTCjkI0YwBEgQ0MTEzGKOxASBDKPmOjAMwspCMAzhPQABYAWoERUNTTHIFT0pYNVN6CgjBggESBDI1NzISCggBEAEYASoCUUYYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Mar 11 - Sun, Mar 22 DCA Washington MEL Melbourne $1,564 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:MEL,departure:3/11/2026TANYT&leg2=from:MEL,to:DCA,departure:3/22/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1563.03&airProductToken=AQpsCjQI1YIBEgMzNjgYQyCycSijr4cDMKiyhwM4TEAAWAFqCjFfYmFzaWNlY29yCExMWDc3U0I3CjQI1YIBEgI2MBiycSCMWSiNs4cDMMi6hwM4TEAAWAFqCjFfYmFzaWNlY29yCExMWDc3U0I3Cm0KNAjVggESAjYxGIxZILJxKJyhiAMw_aeIAzhMQABYAWoKMV9iYXNpY2Vjb3IITExYNzdTQjcKNQjVggESBDIzODYYsnEgQyi3qogDMOmsiAM4TEAAWAFqCjFfYmFzaWNlY29yCExMWDc3U0I3EgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Alternative airports near Melbourne Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:MEL,departure:2/26/2026TANYT&leg2=from:MEL,to:DCA,departure:3/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) MEL Tullamarine Cheapest 20 min [Flights from $1,663 ](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:MEL,departure:2/26/2026TANYT&leg2=from:MEL,to:DCA,departure:3/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) __Flights from Washington (DCA) to Melbourne (MEL)__ | Origin airport | Ronald Reagan Washington National | | ------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Tullamarine | | Airlines serving | Air Canada, Air New Zealand, Air Tahiti Nui, American Airlines, Cathay Pacific, Delta, Etihad Airways, Fiji Airways, Japan Airlines, Qantas Airways, Qatar Airways, United | | Roundtrip price | $1,296 | | Distance | 10182 mi | ## Washington to Melbourne Flights The cheapest times to fly from Washington to Melbourne 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 Washington to Melbourne are during the month of May. You can find some of the cheapest flights from Washington to Melbourne with Expedia's search tool and vast selection of airlines. The best time to book a flight from Washington to Melbourne Sunday is one of the best days to book for cheap flights from Washington to Melbourne: 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 Washington to Melbourne 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 Washington to Melbourne in 2026\. You can also book with separate airlines for your outbound and return journeys, from $900 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 Washington to Melbourne 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 Washington to Melbourne 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. ## Frequently asked questions ### How much does a flight from Ronald Reagan Washington National Airport (DCA) to Tullamarine Airport (MEL) cost? ### What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Tullamarine Airport (MEL)? ### What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Tullamarine Airport (MEL)? ### How many flights per day from Ronald Reagan Washington National Airport (DCA) to Tullamarine Airport (MEL)? ### What day of the week has the most flights from DCA to MEL? ### What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Tullamarine Airport (MEL)? ### Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Tullamarine Airport (MEL) last-minute? ### Is it cheaper to book a DCA to MEL flight and hotel package? ### Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Tullamarine Airport (MEL)? \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - 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