€339 Cheap Flights Washington to Shannon (IAD-SNN)

View €339 flight on Wed, 27 Aug 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Shannon Airport (SNN)

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Cheap flights from Washington to Shannon (IAD-SNN)

Prices were available within the past 7 days and start at €339 for one-way flights and €418 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 11 Aug - Tue, 26 Aug
IAD
Washington
SNN
Shannon
€418 Return, found 5 days ago
€418
Return
found 5 days ago
Select United flight, departing Mon, 11 Aug from Washington to Shannon, returning Tue, 26 Aug, priced at €418 found 5 days ago
Delta
Mon, 11 Aug - Tue, 26 Aug
IAD
Washington
SNN
Shannon
€462 Return, found 5 days ago
€462
Return
found 5 days ago
Select Delta flight, departing Mon, 11 Aug from Washington to Shannon, returning Tue, 26 Aug, priced at €462 found 5 days ago
Delta
Mon, 11 Aug - Tue, 26 Aug
IAD
Washington
SNN
Shannon
€485 Return, found 5 days ago
€485
Return
found 5 days ago
Select Delta flight, departing Mon, 11 Aug from Washington to Shannon, returning Tue, 26 Aug, priced at €485 found 5 days ago
United
Wed, 17 Sep - Wed, 24 Sep
IAD
Washington
SNN
Shannon
€486 Return, found 6 days ago
€486
Return
found 6 days ago
Select United flight, departing Wed, 17 Sep from Washington to Shannon, returning Wed, 24 Sep, priced at €486 found 6 days ago
United
Fri, 10 Oct - Tue, 14 Oct
IAD
Washington
SNN
Shannon
€486 Return, found 12 hours ago
€486
Return
found 12 hours ago
Select United flight, departing Fri, 10 Oct from Washington to Shannon, returning Tue, 14 Oct, priced at €486 found 12 hours ago
United
Wed, 20 Aug - Wed, 27 Aug
IAD
Washington
SNN
Shannon
€490 Return, found 3 days ago
€490
Return
found 3 days ago
Select United flight, departing Wed, 20 Aug from Washington to Shannon, returning Wed, 27 Aug, priced at €490 found 3 days ago
United
Sun, 24 Aug - Mon, 8 Sep
IAD
Washington
SNN
Shannon
€495 Return, found 5 hours ago
€495
Return
found 5 hours ago
Select United flight, departing Sun, 24 Aug from Washington to Shannon, returning Mon, 8 Sep, priced at €495 found 5 hours ago
KLM
Mon, 11 Aug - Tue, 26 Aug
IAD
Washington
SNN
Shannon
€507 Return, found 5 days ago
€507
Return
found 5 days ago
Select KLM flight, departing Mon, 11 Aug from Washington to Shannon, returning Tue, 26 Aug, priced at €507 found 5 days ago
American Airlines
Thu, 4 Dec - Tue, 9 Dec
IAD
Washington
SNN
Shannon
€634 Return, found 3 days ago
€634
Return
found 3 days ago
Select American Airlines flight, departing Thu, 4 Dec from Washington to Shannon, returning Tue, 9 Dec, priced at €634 found 3 days ago
Air Canada
Thu, 4 Dec - Tue, 9 Dec
IAD
Washington
SNN
Shannon
€640 Return, found 3 days ago
€640
Return
found 3 days ago
Select Air Canada flight, departing Thu, 4 Dec from Washington to Shannon, returning Tue, 9 Dec, priced at €640 found 3 days ago

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

August is typically the cheapest month to fly

From €463 - €1,133 per traveller.

Graph displaying average flight prices per month

Washington to Shannon route information
Origin airport
Washington Dulles Intl.
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, KLM, United
Return price
€417
Distance
5276 km

Perfect flights from Washington to Shannon

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Shannon. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Washington Dulles Intl. to Shannon ticket options cater to your travel preferences, with incredible one-way fares from €339 and roundtrip prices from €418. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Shannon and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Shannon.

Frequently asked questions

How much is a flight from IAD to SNN?
Pack your bags, because round-trip flights from Dulles Intl. Airport to SNN start from €418. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to Shannon Airport (SNN)?
The majority of flights can be conveniently cancelled online, but whether or not you are charged a fee differs between airlines. If you do have to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Shannon Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dulles Intl. Airport to Shannon Airport (SNN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to Shannon Airport?
Chantilly to Shannon is around 5,300 kilometres, so get ready to spend quite a while in the air. Don't forget to pack all the essentials, from your headphones to your hoodie. Throw in a few snacks to munch on throughout your journey too.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to SNN?
Currently, no airlines offer flights directly from Dulles Intl. Airport to Shannon Airport. You'll need to book a flight with at least one stop. To score the best connections and price, lock in your airfare ahead of time.
Are Dulles Intl. Airport to SNN flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from IAD to SNN can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out altogether! If you'd rather start planning your trip ahead of time, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines issue their prices so far in advance. Our top tip? Check back often as updates are made frequently.

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