Title: CA $843 Cheap British Airways fights from Washington to Shannon - Expedia.ca ![Adobe](https://images.trvl-media.com/place/3229/c184ea28-b6d2-406d-b2b3-64d892371946.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3229/c184ea28-b6d2-406d-b2b3-64d892371946.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $843 Cheap British Airways fights from Washington (IAD) to Shannon (SNN) [View CA $843 flight on Thu, Dec 4, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:IAD,to:SNN,departure:04/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:842.30&airProductToken=AQpjCi8IwoIBEgMyMTYYiBgg64kBKNjs_gIwhvD-AjhPQABYAWoDQkFHcghPTFc4VDRNNQowCMKCARIENTk0NRjriQEgsmsovfX-AjCN9v4COE9AAVgBagNCQUdyCE9MVzhUNE01EgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) - [Roundtrip](?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 ![notification illustration](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\* ![deals illustration](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\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## British Airways flights from Washington to Shannon (IAD→SNN) Prices were available within the past 7 days and start at CA $843 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ## Frequently asked questions ### How much is a British Airways flight from Washington Dulles Intl. Airport (IAD) to Shannon Airport (SNN)? > You can discover cheap round-trip British Airways flights from IAD to SNN by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from CA $843 for a one-way trip.\**\*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.* ### What is the cheapest month to fly from IAD to SNN with British Airways? > January is one of the cheapest months to jet away to Shannon with British Airways. You could also find fantastic deals on return and one-way fares in February. ### Does British Airways fly nonstop from Washington Dulles Intl. Airport (IAD) to Shannon Airport (SNN)? > Fill in your dates, click search and check the "Nonstop" filter on Expedia to find any direct flights from IAD to SNN with British Airways or other airlines. ### What airports does British Airways fly into in Shannon? > Shannon Airport (SNN) is the main Shannon hub for British Airways flights from Washington Dulles Intl. Airport (IAD). ### What kind of luggage can I take on a British Airways flight from Washington Dulles Intl. Airport (IAD) to Shannon Airport (SNN)? > For checked luggage, you can take 1 checked-in bag weighing up to 23 kgs (50 lbs) with dimensions not exceeding 89 centimetres x 41 centimetres x 74 centimetres. You can also bring 1 cabin bag on board when flying standard economy from IAD to SNN with British Airways. This carry-on has to weigh less than 23 kgs (50 lbs) and be no bigger than 56 centimetres x 23 centimetres x 43 centimetres. Going above these restrictions can mean additional charges, so check British Airways's baggage allowance rules before you begin packing. ### Can I change or cancel my British Airways flight from Washington Dulles Intl. Airport (IAD) to Shannon Airport (SNN)? > Depending on your ticket type, a fee will generally apply if you modify or cancel your flight more than 24 hours after it has been confirmed. To secure flexible fares, select our "Changes included" or "No cancel fee" filter when you look for flights. For more details on modifying or cancelling your reservation, visit "[Trips](https://www.expedia.ca/trips)," select your flight and click on "Manage Booking." ## Travel information | Origin airport | Washington Dulles Intl. | | --- | --- | | Destination airport | Shannon | | Distance | 5276 km | ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental - Other - [Apartments in Shannon](https://www.expedia.ca/Shannon-Apartments.d3229-aaApartments.Travel-Guide-Accommodation) - [B&B in Shannon](https://www.expedia.ca/Shannon-Bed-And-Breakfast.d3229-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Cottages in Shannon](https://www.expedia.ca/Shannon-Cottages.d3229-aaCottages.Travel-Guide-Accommodation) - [Guest Houses in Shannon](https://www.expedia.ca/Shannon-Guest-Houses.d3229-aaGuestHouses.Travel-Guide-Accommodation) - [Hostels in Shannon](https://www.expedia.ca/Shannon-Hostels.d3229-aaHostels.Travel-Guide-Accommodation) - [All Inclusive Resorts and in Shannon](https://www.expedia.ca/Shannon-Hotels-All-Inclusive-Hotel.0-0-d3229-tAllInclusiveHotel.Travel-Guide-Filter-Hotels) - 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