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Shannon

$590+ Cheap flights from Dulles Intl (IAD) to Shannon (SNN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SNN
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Dulles Intl to Shannon

Cheapest flights from Dulles Intl to Shannon
Explore the most affordable flight options available from Dulles Intl to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:25 pm
IAD
-
SNN
1 stop17h 10m
American Airlines
Tue 4/147:30 am
SNN
-
IAD
1 stop17h 50m
American Airlines
Deal found 1/26$590
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:15 pm
IAD
-
SNN
1 stop15h 55m
American Airlines
Tue 4/77:30 am
SNN
-
IAD
2 stops16h 11m
American Airlines
Deal found 1/25$603
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:30 pm
IAD
-
SNN
1 stop17h 40m
Delta
Thu 8/201:05 pm
SNN
-
IAD
1 stop11h 11m
Delta
Deal found 1/25$607
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:20 pm
IAD
-
SNN
1 stop12h 10m
American Airlines
Wed 3/47:50 am
SNN
-
IAD
1 stop17h 05m
American Airlines
Deal found 1/26$608
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/62:03 pm
IAD
-
SNN
2 stops16h 17m
American Airlines
Wed 4/157:30 am
SNN
-
IAD
2 stops16h 55m
American Airlines
Deal found 1/26$611
This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:00 pm
IAD
-
SNN
2 stops14h 10m
Multiple Airlines
Tue 9/151:05 pm
SNN
-
IAD
2 stops16h 05m
Multiple Airlines
Deal found 1/26$612
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:20 pm
IAD
-
SNN
1 stop17h 25m
American Airlines
Thu 3/57:50 am
SNN
-
IAD
2 stops17h 40m
American Airlines
Deal found 1/25$621
This Mytrip deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:40 pm
IAD
-
SNN
2 stops14h 00m
Multiple Airlines
Wed 3/45:30 pm
SNN
-
IAD
2 stops30h 00m
Multiple Airlines
Deal found 1/26$632
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:25 pm
IAD
-
SNN
1 stop12h 25m
American Airlines
Tue 5/59:15 pm
SNN
-
IAD
1 stop25h 10m
American Airlines
Deal found 1/24$640
This Mytrip deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:40 pm
IAD
-
SNN
2 stops20h 50m
Multiple Airlines
Tue 3/177:50 am
SNN
-
IAD
2 stops15h 40m
Multiple Airlines
Deal found 1/24$646
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:40 pm
IAD
-
SNN
1 stop12h 40m
American Airlines
Mon 9/149:15 pm
SNN
-
IAD
1 stop27h 25m
American Airlines
Deal found 1/25$649

Find flight deals from Dulles Intl to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$590
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$1,027
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Shannon flights.
Search Deals
From Washington, D.C. Dulles Intl to Shannon
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Shannon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Shannon that are best for you.

Fly from

Dulles Intl

Fly to

Shannon

Route

Depart

Return

Price

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 4/6

10:25 pm-4:10 pm

1 stop12h 45m

Shannon

Wed 4/15

9:15 pm-8:20 pm

1 stop28h 05m

$590

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 4/6

7:15 pm-8:35 pm

1 stop20h 20m

Shannon

Tue 4/14

7:30 am-5:25 pm

1 stop14h 55m

$590

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 3/10

8:40 pm-9:30 pm

2 stops20h 50m

Shannon

Tue 3/17

7:50 am-7:30 pm

2 stops15h 40m

$646

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 2/11

9:45 pm-4:45 pm

1 stop14h 00m

Shannon

Sun 2/15

7:50 am-7:55 pm

1 stop17h 05m

$658

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 4/22

5:40 pm-11:20 am

1 stop12h 40m

Shannon

Fri 5/1

7:30 am-8:20 pm

1 stop17h 50m

$718

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 3/10

10:45 pm-7:25 pm

1 stop16h 40m

Shannon

Tue 3/17

8:05 pm-4:35 pm

2 stops24h 30m

$773

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 3/31

7:15 pm-11:20 am

1 stop11h 05m

Shannon

Thu 4/9

7:30 am-3:50 pm

1 stop13h 20m

$792

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 3/30

7:15 pm-11:20 am

1 stop11h 05m

Shannon

Mon 4/6

9:15 pm-5:25 pm

1 stop25h 10m

$792

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 3/30

7:15 pm-11:20 am

1 stop11h 05m

Shannon

Wed 4/8

7:30 am-5:25 pm

1 stop14h 55m

$792

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 3/30

7:15 pm-11:20 am

1 stop11h 05m

Shannon

Thu 4/9

7:30 am-3:50 pm

1 stop13h 20m

$792

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 11 results
1
2

Compare providers for flights from Dulles Intl to Shannon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Shannon in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Shannon, Clare flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Shannon, Clare flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated January 26, 2026.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines from Washington, D.C. Dulles Intl Airport to Shannon to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,113 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,113 reviews
Delta
7.9
Good
8,113 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,442 reviews
Delta
7.9
Good
8,113 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,199 reviews
Delta
7.9
Good
8,113 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,189 reviews
Delta
7.9
Good
8,113 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Shannon from Washington, D.C. Dulles Intl?

    Shannon (SNN) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Shannon. You should not have trouble finding flights to Shannon from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Shannon airport from Washington, D.C. Dulles Intl. It is only a 2.1 mi journey from Shannon (SNN) to Shannon’s city center.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare?

    For as low as $590, American Airlines can have you in Shannon, Clare from Washington, D.C. Dulles Intl Airport in 12h 45m. The distance between Washington, D.C. Dulles Intl Airport and Shannon, Clare is about 3296 mi.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Shannon, Clare round-trip?

    Flying on Delta is currently your cheapest option to Shannon, Clare, with prices starting at $157. Additional round-trip tickets that might be worth considering are offered by American Airlines and KLM, with the lowest prices starting at $489 and $643, respectively.

  • Can I find deals for flights from Dulles Intl to Shannon that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Shannon.

  • Can I find deals for business class flights from Dulles Intl to Shannon?

    Yes. Cheapflights offers flight deals from Dulles Intl to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Shannon?

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Top 4 airlines flying from Dulles Intl to Shannon

Discover the top 4 airlines that operate flights from Dulles Intl to Shannon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$157Average$962FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$793FlexibilityNo cancel feeOn-time71%
KLMCheapest$643Average$644FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$646Average$704FlexibilityNo cancel feeOn-time69%

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