Title: Cheap Flights from Washington to Swansea (IAD to SWS) - Expedia.co.uk ![Swansea featuring a sunset, sailing and general coastal views](https://images.trvl-media.com/place/9958/5cf59e1b-6078-45ba-84a9-b5d45198d84b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/9958/5cf59e1b-6078-45ba-84a9-b5d45198d84b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Washington (IAD) to Swansea (SWS) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers 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 Washington Dulles International Airport (IAD) to Swansea (SWS) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:sws,departure:29/09/2025TANYT&leg2=from:sws,to:iad,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![easyJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:sws,departure:29/09/2025TANYT&leg2=from:sws,to:iad,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:sws,departure:29/09/2025TANYT&leg2=from:sws,to:iad,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Ryanair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg) Ryanair [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:sws,departure:29/09/2025TANYT&leg2=from:sws,to:iad,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:sws,departure:29/09/2025TANYT&leg2=from:sws,to:iad,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Jet2](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg) Jet2 [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:sws,departure:29/09/2025TANYT&leg2=from:sws,to:iad,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:sws,departure:29/09/2025TANYT&leg2=from:sws,to:iad,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) Flight from Washington to Swansea route information | Origin airport | Washington Dulles Intl. | | --- | --- | | Destination airport | Swansea | | Distance | 5625 km | ## Compare flights from Washington to Swansea easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Swansea. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Swansea in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Swansea.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Washington Dulles Intl. (IAD) to Swansea (SWS) The easiest way to view the best deals on flights from Washington to Swansea today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Washington Dulles Intl. to Swansea start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Washington and Swansea - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Washington to Swansea flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Swansea for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Trending Routes - Trending Flights - Top Flights Destinations - Related Airlines - Nearby Airports - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from Washington - [Washington to London (IAD - LCY)](https://expedia.co.uk/lp/flights/iad/lcy/washington-to-london) - [Washington to Bologna (IAD - BLQ)](https://expedia.co.uk/lp/flights/iad/blq/washington-to-bologna) - [Washington to Edinburgh (IAD - EDI)](https://expedia.co.uk/lp/flights/iad/edi/washington-to-edinburgh) - [Washington to Barcelona (IAD - BCN)](https://expedia.co.uk/lp/flights/iad/bcn/washington-to-barcelona) - [Washington to Reykjavik (IAD - KEF)](https://expedia.co.uk/lp/flights/iad/kef/washington-to-reykjavik) - [Washington to Porto (IAD - OPO)](https://expedia.co.uk/lp/flights/iad/opo/washington-to-porto) - [Washington to Seville (IAD - SVQ)](https://expedia.co.uk/lp/flights/iad/svq/washington-to-seville) - [Washington to London (IAD - LHR)](https://expedia.co.uk/lp/flights/iad/lhr/washington-to-london) - [Washington to Munich (IAD - MUC)](https://expedia.co.uk/lp/flights/iad/muc/washington-to-munich) ### Top Routes to Swansea - [Bengaluru to Swansea (BLR - SWS)](https://expedia.co.uk/lp/flights/blr/sws/bengaluru-to-swansea) ### Top Routes from Washington - [British Airways Washington to Bologna](https://expedia.co.uk/lp/flight-routes/british-airways-from-washington-dulles-intl-to-guglielmo-marconi/ba/iad/blq) - [British Airways Washington to Edinburgh](https://expedia.co.uk/lp/flight-routes/british-airways-from-washington-dulles-intl-to-edinburgh/ba/iad/edi) - [British Airways Washington to London](https://expedia.co.uk/lp/flight-routes/british-airways-from-washington-dulles-intl-to-heathrow/ba/iad/lhr) ### Top Flight Destinations - [Flights to London](https://expedia.co.uk/Cheap-Flights-To-London.d178279.Travel-Guide-Flights) - 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[Eastern West Virginia Regional Airport (MRB)](https://expedia.co.uk/lp/airports/mrb/flights-from-eastern-west-virginia-regional-airport) - [Baltimore Washington Intl. Thurgood Marshall Airport (BWI)](https://expedia.co.uk/lp/airports/bwi/flights-from-baltimore-washington-intl-thurgood-marshall-airport) - [Hagerstown Regional Airport (HGR)](https://expedia.co.uk/lp/airports/hgr/flights-from-hagerstown-regional-airport) - [Martin State Airport (MTN)](https://expedia.co.uk/lp/airports/mtn/flights-from-martin-state-airport) - [Charlottesville-Albemarle Airport (CHO)](https://expedia.co.uk/lp/airports/cho/flights-from-charlottesville-albemarle-airport) ### Expedia's Latest Trends Flights - [Cheap Flights from Birmingham (BHX) to Glasgow (GLA)](https://expedia.co.uk/lp/flights/bhx/gla/birmingham-to-glasgow) - [Cheap Flights from Manchester (MAN) to Goa (GOI)](https://expedia.co.uk/lp/flights/man/goi/manchester-to-goa) - [Cheap Flights from Glasgow (GLA) to Paris (CDG)](https://expedia.co.uk/lp/flights/gla/cdg/glasgow-to-paris) - [Cheap Flights from Manchester (MAN) to Hong Kong (HKG)](https://expedia.co.uk/lp/flights/man/hkg/manchester-to-hong-kong) - [Cheap Flights from Manchester (MAN) to Sydney (SYD)](https://expedia.co.uk/lp/flights/man/syd/manchester-to-sydney) - [Cheap Flights from Manchester (MAN) to Delhi (DEL)](https://expedia.co.uk/lp/flights/man/del/manchester-to-delhi) - [Cheap Flights from Glasgow (GLA) to Rome (FCO)](https://expedia.co.uk/lp/flights/gla/fco/glasgow-to-rome) - [Cheap Flights from Islamabad (ISB) to Manchester (MAN)](https://expedia.co.uk/lp/flights/isb/man/islamabad-to-manchester) - [Cheap Flights from Glasgow (GLA) to New York (JFK)](https://expedia.co.uk/lp/flights/gla/jfk/glasgow-to-new-york) - [Cheap Flights from London (LHR) to Manchester (MAN)](https://expedia.co.uk/lp/flights/lhr/man/london-to-manchester) - [Cheap Flights from Manchester (MAN) to Dubai (DXB)](https://expedia.co.uk/lp/flights/man/dxb/manchester-to-dubai) - [Cheap Flights from Manchester (MAN) to Paris (CDG)](https://expedia.co.uk/lp/flights/man/cdg/manchester-to-paris) - [Cheap Flights from Manchester (MAN) to Manila (MNL)](https://expedia.co.uk/lp/flights/man/mnl/manchester-to-manila) - [Cheap Flights from Manchester (MAN) to Amsterdam (AMS)](https://expedia.co.uk/lp/flights/man/ams/manchester-to-amsterdam) - [Cheap Flights from Manchester (MAN) to Lisbon (LIS)](https://expedia.co.uk/lp/flights/man/lis/manchester-to-lisbon) - [Cheap Flights from Manchester (MAN) to Vancouver (YVR)](https://expedia.co.uk/lp/flights/man/yvr/manchester-to-vancouver) - [Cheap Flights from Manchester (MAN) to Orlando (MCO)](https://expedia.co.uk/lp/flights/man/mco/manchester-to-orlando) - [Cheap Flights from Manchester (MAN) to Toronto (YYZ)](https://expedia.co.uk/lp/flights/man/yyz/manchester-to-toronto) - [Cheap Flights from London (LHR) to Glasgow (GLA)](https://expedia.co.uk/lp/flights/lhr/gla/london-to-glasgow) - [Cheap Flights from Glasgow (GLA) to London (LHR)](https://expedia.co.uk/lp/flights/gla/lhr/glasgow-to-london) - [Cheap Flights from Manchester (MAN) to Bangkok (BKK)](https://expedia.co.uk/lp/flights/man/bkk/manchester-to-bangkok) - [Cheap Flights from Manchester (MAN) to Barcelona (BCN)](https://expedia.co.uk/lp/flights/man/bcn/manchester-to-barcelona) - [Cheap Flights from Manchester (MAN) to Islamabad (ISB)](https://expedia.co.uk/lp/flights/man/isb/manchester-to-islamabad) - [Cheap Flights from Manchester (MAN) to London (LHR)](https://expedia.co.uk/lp/flights/man/lhr/manchester-to-london) - [Cheap Flights from Manchester (MAN) to Las Vegas (LAS)](https://expedia.co.uk/lp/flights/man/las/manchester-to-las-vegas) - [Cheap Flights from London (LHR) to Belfast (BFS)](https://expedia.co.uk/lp/flights/lhr/bfs/london-to-belfast) - [Cheap Flights from Manchester (MAN) to Istanbul (IST)](https://expedia.co.uk/lp/flights/man/ist/manchester-to-istanbul) - [Cheap Flights from Manchester (MAN) to New York (JFK)](https://expedia.co.uk/lp/flights/man/jfk/manchester-to-new-york) - [Cheap Flights from Glasgow (GLA) to London (LCY)](https://expedia.co.uk/lp/flights/gla/lcy/glasgow-to-london) - [Cheap Flights from Manchester (MAN) to Mumbai (BOM)](https://expedia.co.uk/lp/flights/man/bom/manchester-to-mumbai) \*Available to Expedia members. ![](https://a.travel-assets.com/mad-service/footer/bnaBanners/BEX_Footer.jpg) ## Go further with the Expedia app Save on select hotels when you book in the app. Our app deals help you to save on trips so you can travel more and manage it all on the go. 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