British Airways Cheap Flights from Washington to Shannon: BA IAD→SNN

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from Washington (IAD) to Shannon (SNN)

August is typically the cheapest month to fly

From HK$4,174 - HK$9,400 per traveller.
Washington to Shannon route information
Origin airport
Washington Dulles Intl.
Destination airport
Shannon
Distance
5276 km

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 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 with dimensions not exceeding 35 inches x 16 inches x 29 inches. 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 and be no bigger than 22 inches x 9 inches x 17 inches. 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," select your flight and click on "Manage Booking."
*Available to Expedia members.