€379 Cheap Flights Washington to Shannon (IAD-SNN)

View €379 flight on Mon, 13 Apr 2026Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 15% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Washington to Shannon (IAD-SNN)

Prices were available within the past 7 days and start at €379 for one-way flights and €650 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 4 Nov - Wed, 12 Nov
IAD
Washington
SNN
Shannon
€650 Return, found 4 days ago
€650
Return
found 4 days ago
Select American Airlines flight, departing Tue, 4 Nov from Washington to Shannon, returning Wed, 12 Nov, priced at €650 found 4 days ago
American Airlines
Sun, 2 Nov - Tue, 18 Nov
IAD
Washington
SNN
Shannon
€654 Return, found 2 days ago
€654
Return
found 2 days ago
Select American Airlines flight, departing Sun, 2 Nov from Washington to Shannon, returning Tue, 18 Nov, priced at €654 found 2 days ago
American Airlines
Tue, 4 Nov - Wed, 12 Nov
IAD
Washington
SNN
Shannon
€658 Return, found 4 days ago
€658
Return
found 4 days ago
Select American Airlines flight, departing Tue, 4 Nov from Washington to Shannon, returning Wed, 12 Nov, priced at €658 found 4 days ago
American Airlines
Sun, 2 Nov - Tue, 18 Nov
IAD
Washington
SNN
Shannon
€658 Return, found 2 days ago
€658
Return
found 2 days ago
Select American Airlines flight, departing Sun, 2 Nov from Washington to Shannon, returning Tue, 18 Nov, priced at €658 found 2 days ago
British Airways
Sun, 23 Nov - Tue, 9 Dec
IAD
Washington
SNN
Shannon
€660 Return, found 3 days ago
€660
Return
found 3 days ago
Select British Airways flight, departing Sun, 23 Nov from Washington to Shannon, returning Tue, 9 Dec, priced at €660 found 3 days ago
American Airlines
Sun, 2 Nov - Tue, 18 Nov
IAD
Washington
SNN
Shannon
€669 Return, found 2 days ago
€669
Return
found 2 days ago
Select American Airlines flight, departing Sun, 2 Nov from Washington to Shannon, returning Tue, 18 Nov, priced at €669 found 2 days ago
American Airlines
Tue, 4 Nov - Wed, 12 Nov
IAD
Washington
SNN
Shannon
€670 Return, found 4 days ago
€670
Return
found 4 days ago
Select American Airlines flight, departing Tue, 4 Nov from Washington to Shannon, returning Wed, 12 Nov, priced at €670 found 4 days ago
Virgin Atlantic
Tue, 4 Nov - Wed, 12 Nov
IAD
Washington
SNN
Shannon
€707 Return, found 4 days ago
€707
Return
found 4 days ago
Select Virgin Atlantic flight, departing Tue, 4 Nov from Washington to Shannon, returning Wed, 12 Nov, priced at €707 found 4 days ago
Aer Lingus
Tue, 7 Apr - Sun, 12 Apr
IAD
Washington
SNN
Shannon
€739 Return, found 6 days ago
€739
Return
found 6 days ago
Select Aer Lingus flight, departing Tue, 7 Apr from Washington to Shannon, returning Sun, 12 Apr, priced at €739 found 6 days ago
United
Thu, 23 Oct - Tue, 28 Oct
IAD
Washington
SNN
Shannon
€800 Return, found 1 day ago
€800
Return
found 1 day ago
Select United flight, departing Thu, 23 Oct from Washington to Shannon, returning Tue, 28 Oct, priced at €800 found 1 day ago

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

August is typically the cheapest month to fly

From €456 - €1,035 per traveller.

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 €650. 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.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Shannon
Return price
€650
Distance
5276 km

Book with confidence

Book with confidence

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 €379 and roundtrip prices from €650. 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.
Perfect flights from Washington to Shannon

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to Expedia members.