Title: $925 Cheap flights from Washington to Bissau (DCA to OXB) - Expedia.com ![Scenic view over ocean and neighbour island of Bubaque, Bijagos Archipelago, Guinea Bissau](https://images.trvl-media.com/place/2724/f89dfd92-fa3a-4195-9749-1da804f24e70.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/2724/f89dfd92-fa3a-4195-9749-1da804f24e70.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $925 Cheap Flights from Washington (DCA) to Bissau (OXB) [View $925 flight on Thu, Oct 15, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:DCA,to:OXB,departure:10/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:924.50&airProductToken=AQqkAQo0CMGGARIEODc4MRhDIJjOASjTvpoDMLO_mgM4TEAAWAFqCFNUQU5EQVJEcghMTkFEWFVOQwo1CMGGARIDODEwGJjOASCLkgEoj8aaAzC4yZoDOExAAVgBaghTVEFOREFSRHIITE5BRFhVTkMKNQjUoAESBDE0NzcYi5IBIO4NKP7TmgMwh9aaAzhFQAFYAWoIU1RBTkRBUkRyCExOQURYVU5DEgoIAhABGAIqAkFDGAEiBAgBEAEoAigDKAQwAQ) - [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 Bissau (OXB-Osvaldo Vieira Intl.) - ![](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:OXB,departure:2/20/2026TANYT&leg2=from:OXB,to:DCA,departure:2/27/2026TANYT&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_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:OXB,departure:2/20/2026TANYT&leg2=from:OXB,to:DCA,departure:2/27/2026TANYT&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_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:OXB,departure:2/20/2026TANYT&leg2=from:OXB,to:DCA,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](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:OXB,departure:2/20/2026TANYT&leg2=from:OXB,to:DCA,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:OXB,departure:2/20/2026TANYT&leg2=from:OXB,to:DCA,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](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:DCA,to:OXB,departure:2/20/2026TANYT&leg2=from:OXB,to:DCA,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:DCA,to:OXB,departure:2/20/2026TANYT&leg2=from:OXB,to:DCA,departure:2/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](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 Bissau (DCA-OXB) Prices were available within the past 7 days and start at $925 for one-way flights and $1,656 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Apr 29 - Thu, May 21 DCA Washington OXB Bissau $1,656 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:OXB,departure:4/29/2026TANYT&leg2=from:OXB,to:DCA,departure:5/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1655.92&airProductToken=AQqwAQo0CNWCARIENDQwOBhDIMSNASjt0osDMMXTiwM4U0AAWAFqCEVDT1NUQU5EcghTS1gwNlVORgpBCNOcARIEOTAyNRjEjQEgi5IBKNnXiwMw-NqLAzhTQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GegkI1YIBEgMwNjQKNQjUoAESBDE0NzcYi5IBIO4NKKndiwMwst-LAzhMQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GCrABCjUI1KABEgQxNDc4GO4NIIuSASiszI0DMKvOjQM4VUAAWAFqCEVDT1NUQU5EcghUSFgzM1VORgpBCNOcARIEOTAyNhiLkgEgxI0BKLXTjQMw_NaNAzhUQAFYAWoIRUNPU1RBTkRyCFRIWDMzVU5GegkI1YIBEgMwNjUKNAjVggESBDQxODQYxI0BIEMolt-NAzDi340DOFRAAVgBaghFQ09TVEFORHIIVEhYMzNVTkYSCggBEAEYASoCU04YASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Apr 29 - Thu, May 21 DCA Washington OXB Bissau $1,662 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:OXB,departure:4/29/2026TANYT&leg2=from:OXB,to:DCA,departure:5/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1661.33&airProductToken=AQqwAQo0CNWCARIENDQ0NhhDIMSNASip04sDMIHUiwM4U0AAWAFqCEVDT1NUQU5EcghTS1gwNlVORgpBCNOcARIEOTAyNRjEjQEgi5IBKNnXiwMw-NqLAzhTQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GegkI1YIBEgMwNjQKNQjUoAESBDE0NzcYi5IBIO4NKKndiwMwst-LAzhMQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GCqIBCjUI1KABEgQxNDc4GO4NIIuSASiszI0DMKvOjQM4VUAAWAFqCFNUQU5EQVJEcghTSEE0N1RORgo0CMGGARIDODEzGIuSASCYXSjx040DMK7XjQM4U0ABWAFqCFNUQU5EQVJEcghTSEE0N1RORgozCMGGARIEODgyNRiYXSBDKKDajQMwk9uNAzhTQAFYAWoIU1RBTkRBUkRyCFNIQTQ3VE5GEgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Apr 29 - Thu, May 21 DCA Washington OXB Bissau $1,662 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:OXB,departure:4/29/2026TANYT&leg2=from:OXB,to:DCA,departure:5/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1661.96&airProductToken=AQqwAQo0CNWCARIENDE2NxhDIMSNASj40IsDMMjRiwM4U0AAWAFqCEVDT1NUQU5EcghTS1gwNlVORgpBCNOcARIEOTAyNRjEjQEgi5IBKNnXiwMw-NqLAzhTQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GegkI1YIBEgMwNjQKNQjUoAESBDE0NzcYi5IBIO4NKKndiwMwst-LAzhMQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GCrABCjUI1KABEgQxNDc4GO4NIIuSASiszI0DMKvOjQM4VUAAWAFqCEVDT1NUQU5EcghUSFgzM1VORgpBCNOcARIEOTAyNhiLkgEgxI0BKLXTjQMw_NaNAzhUQAFYAWoIRUNPU1RBTkRyCFRIWDMzVU5GegkI1YIBEgMwNjUKNAjVggESBDQxODQYxI0BIEMolt-NAzDi340DOFRAAVgBaghFQ09TVEFORHIIVEhYMzNVTkYSCggBEAEYASoCU04YASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Apr 29 - Thu, May 21 DCA Washington OXB Bissau $1,667 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:OXB,departure:4/29/2026TANYT&leg2=from:OXB,to:DCA,departure:5/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1666.23&airProductToken=AQqwAQo0CNWCARIENDQ0MhhDIMSNASih1IsDMPnUiwM4U0AAWAFqCEVDT1NUQU5EcghTS1gwNlVORgpBCNOcARIEOTAyNRjEjQEgi5IBKNnXiwMw-NqLAzhTQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GegkI1YIBEgMwNjQKNQjUoAESBDE0NzcYi5IBIO4NKKndiwMwst-LAzhMQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GCqQBCjUI1KABEgQxNDc4GO4NIIuSASiszI0DMKvOjQM4VUAAWAFqCFNUQU5EQVJEcghTSEE0N1RORgo1CMGGARIDODExGIuSASCYzgEo0NSNAzCr2I0DOFNAAVgBaghTVEFOREFSRHIIU0hBNDdUTkYKNAjBhgESBDg3ODYYmM4BIEMo19qNAzC0240DOFNAAVgBaghTVEFOREFSRHIIU0hBNDdUTkYSCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Apr 29 - Thu, May 21 DCA Washington OXB Bissau $1,673 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:OXB,departure:4/29/2026TANYT&leg2=from:OXB,to:DCA,departure:5/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1672.97&airProductToken=AQqwAQo0CNWCARIEMzQwORhDIMSNASi00YsDMIXSiwM4U0AAWAFqCEVDT1NUQU5EcghTS1gwNlVORgpBCNOcARIEOTAyNRjEjQEgi5IBKNnXiwMw-NqLAzhTQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GegkI1YIBEgMwNjQKNQjUoAESBDE0NzcYi5IBIO4NKKndiwMwst-LAzhMQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GCqIBCjUI1KABEgQxNDc4GO4NIIuSASiszI0DMKvOjQM4VUAAWAFqCFNUQU5EQVJEcghTSEE0N1RORgo0CMGGARIDODEzGIuSASCYXSjx040DMK7XjQM4U0ABWAFqCFNUQU5EQVJEcghTSEE0N1RORgozCMGGARIEODgyNRiYXSBDKKDajQMwk9uNAzhTQAFYAWoIU1RBTkRBUkRyCFNIQTQ3VE5GEgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Apr 29 - Thu, May 21 DCA Washington OXB Bissau $1,678 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:OXB,departure:4/29/2026TANYT&leg2=from:OXB,to:DCA,departure:5/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1677.87&airProductToken=AQqwAQo0CNWCARIEMzQwORhDIMSNASi00YsDMIXSiwM4U0AAWAFqCEVDT1NUQU5EcghTS1gwNlVORgpBCNOcARIEOTAyNRjEjQEgi5IBKNnXiwMw-NqLAzhTQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GegkI1YIBEgMwNjQKNQjUoAESBDE0NzcYi5IBIO4NKKndiwMwst-LAzhMQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GCqQBCjUI1KABEgQxNDc4GO4NIIuSASiszI0DMKvOjQM4VUAAWAFqCFNUQU5EQVJEcghTSEE0N1RORgo1CMGGARIDODExGIuSASCYzgEo0NSNAzCr2I0DOFNAAVgBaghTVEFOREFSRHIIU0hBNDdUTkYKNAjBhgESBDg3ODQYmM4BIEMowdmNAzCe2o0DOFNAAVgBaghTVEFOREFSRHIIU0hBNDdUTkYSCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Apr 29 - Thu, May 21 DCA Washington OXB Bissau $1,776 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:OXB,departure:4/29/2026TANYT&leg2=from:OXB,to:DCA,departure:5/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1775.03&airProductToken=AQqwAQo0CNWCARIENDQ0MhhDIMSNASih1IsDMPnUiwM4U0AAWAFqCEVDT1NUQU5EcghTS1gwNlVORgpBCNOcARIEOTAyNRjEjQEgi5IBKNnXiwMw-NqLAzhTQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GegkI1YIBEgMwNjQKNQjUoAESBDE0NzcYi5IBIO4NKKndiwMwst-LAzhMQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GCrABCjUI1KABEgQxNDc4GO4NIIuSASiszI0DMKvOjQM4QUAAWAFqCEVDT1NUQU5EcghXSFgwMFVORgpBCNOcARIEOTAyNhiLkgEgxI0BKLXTjQMw_NaNAzhXQAFYAWoIRUNPU1RBTkRyCFdIWDAwVU5GegkI1YIBEgMwNjUKNAjVggESBDQ0NTcYxI0BIEMotNqNAzCR240DOFdAAVgBaghFQ09TVEFORHIIV0hYMDBVTkYSCggBEAEYASoCU04YASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Apr 29 - Thu, May 21 DCA Washington OXB Bissau $1,782 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:OXB,departure:4/29/2026TANYT&leg2=from:OXB,to:DCA,departure:5/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1781.07&airProductToken=AQqwAQo0CNWCARIEMzQwORhDIMSNASi00YsDMIXSiwM4U0AAWAFqCEVDT1NUQU5EcghTS1gwNlVORgpBCNOcARIEOTAyNRjEjQEgi5IBKNnXiwMw-NqLAzhTQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GegkI1YIBEgMwNjQKNQjUoAESBDE0NzcYi5IBIO4NKKndiwMwst-LAzhMQAFYAWoIRUNPU1RBTkRyCFNLWDA2VU5GCrABCjUI1KABEgQxNDc4GO4NIIuSASiszI0DMKvOjQM4QUAAWAFqCEVDT1NUQU5EcghXSFgwMFVORgpBCNOcARIEOTAyNhiLkgEgxI0BKLXTjQMw_NaNAzhXQAFYAWoIRUNPU1RBTkRyCFdIWDAwVU5GegkI1YIBEgMwNjUKNAjVggESBDQ0NTcYxI0BIEMotNqNAzCR240DOFdAAVgBaghFQ09TVEFORHIIV0hYMDBVTkYSCggBEAEYASoCU04YASIECAEQASgCKAMoBDAB) ![TAP Portugal](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TP.gif) Sun, Feb 15 - Sat, Feb 28 DCA Washington OXB Bissau $1,897 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:OXB,departure:2/15/2026TANYT&leg2=from:OXB,to:DCA,departure:2/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1896.66&airProductToken=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) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Wed, Apr 29 - Thu, May 21 DCA Washington OXB Bissau $1,994 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DCA,to:OXB,departure:4/29/2026TANYT&leg2=from:OXB,to:DCA,departure:5/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1993.82&airProductToken=AQqiAQozCMGGARIEODgyMhhDIJhdKKnTiwMwj9SLAzhIQABYAWoIU1RBTkRBUkRyCEhLQTMzVE5DCjQIwYYBEgM4MTIYmF0gi5IBKKnYiwMwtNuLAzhIQAFYAWoIU1RBTkRBUkRyCEhLQTMzVE5DCjUI1KABEgQxNDc3GIuSASDuDSip3YsDMLLfiwM4SEABWAFqCFNUQU5EQVJEcghIS0EzM1ROQwqwAQo1CNSgARIEMTQ3OBjuDSCLkgEorMyNAzCrzo0DOFVAAFgBaghFQ09TVEFORHIIVEhYMzNVTkYKQQjTnAESBDkwMjYYi5IBIMSNASi1040DMPzWjQM4VEABWAFqCEVDT1NUQU5EcghUSFgzM1VORnoJCNWCARIDMDY1CjQI1YIBEgQ0MTg0GMSNASBDKJbfjQMw4t-NAzhUQAFYAWoIRUNPU1RBTkRyCFRIWDMzVU5GEgoIAhABGAIqAkFDGAEiBAgBEAEoAigDKAQwAQ) __Flights from Washington (DCA) to Bissau (OXB)__ | Origin airport | Ronald Reagan Washington National | | ------------------- | --------------------------------- | | Destination airport | Osvaldo Vieira Intl. | | Roundtrip price | $1,656 | | Distance | 4172 mi | ## Washington to Bissau Flights The cheapest times to fly from Washington to Bissau 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 Bissau are during the month of April. You can find some of the cheapest flights from Washington to Bissau with Expedia's search tool and vast selection of airlines. The best time to book a flight from Washington to Bissau Sunday is one of the best days to book for cheap flights from Washington to Bissau: 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 Bissau 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 Bissau in 2026\. You can also book with separate airlines for your outbound and return journeys, from $925 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 Bissau 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 Bissau 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 Osvaldo Vieira Intl. Airport (OXB) cost? ### What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB)? ### What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB)? ### How many flights per day from Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB)? ### What day of the week has the most flights from DCA to OXB? ### What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB)? ### Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB) last-minute? ### Is it cheaper to book a DCA to OXB flight and hotel package? ### Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Osvaldo Vieira Intl. Airport (OXB)? \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Packages - [Quinhamel Hotels ](https://www.expedia.com/Quinhamel-Hotels.d3000406710.Travel-Guide-Hotels) - [Visit Quinhamel ](https://www.expedia.com/Quinhamel.dx3000406710) - [Quinhamel Vacations ](https://www.expedia.com/Quinhamel.d3000406710.Destination-Travel-Guides) - [Artissal ](https://www.expedia.com/Artissal-Quinhamel.d553248621532404127.Vacation-Attraction) \*Available to One Key members.