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Shannon

$588+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SNN
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This KLM deal was found by Cheapflights users on 3/9. 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 9/87:59 pm
IAD
-
SNN
1 stop10h 11m
Multiple Airlines
Wed 9/161:05 pm
SNN
-
IAD
1 stop11h 11m
Multiple Airlines
Deal found 3/9$588
This KLM deal was found by Cheapflights users on 3/6. 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.
Sun 8/97:59 pm
IAD
-
SNN
1 stop10h 11m
Multiple Airlines
Tue 8/181:05 pm
SNN
-
IAD
1 stop11h 11m
Multiple Airlines
Deal found 3/6$623
This BusinessClass deal was found by Cheapflights users on 3/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:25 pm
IAD
-
SNN
1 stop14h 50m
Lufthansa
Mon 8/249:30 am
SNN
-
IAD
1 stop11h 33m
Lufthansa
Deal found 3/8$624
This FlightHub deal was found by Cheapflights users on 3/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:55 pm
IAD
-
SNN
1 stop12h 20m
Lufthansa
Sat 9/2612:00 pm
SNN
-
IAD
1 stop33h 05m
Lufthansa
Deal found 3/7$636
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:42 pm
IAD
-
SNN
1 stop11h 33m
United Airlines
Thu 8/209:30 am
SNN
-
IAD
1 stop13h 07m
United Airlines
Deal found 3/10$638
This KLM deal was found by Cheapflights users on 3/10. 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.
Mon 8/107:50 pm
IAD
-
SNN
2 stops34h 20m
KLM
Thu 8/201:05 pm
SNN
-
IAD
2 stops16h 05m
KLM
Deal found 3/10$643
This FlightHub deal was found by Cheapflights users on 3/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:15 pm
IAD
-
SNN
2 stops32h 00m
Lufthansa
Sat 5/1612:00 pm
SNN
-
IAD
1 stop33h 05m
Lufthansa
Deal found 3/6$646
This KLM deal was found by Cheapflights users on 3/9. 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.
Sat 7/117:59 pm
IAD
-
SNN
1 stop10h 11m
Multiple Airlines
Wed 7/221:05 pm
SNN
-
IAD
1 stop11h 11m
Multiple Airlines
Deal found 3/9$657
This KLM deal was found by Cheapflights users on 3/8. 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.
Mon 5/255:21 pm
IAD
-
SNN
2 stops12h 49m
Multiple Airlines
Wed 6/31:05 pm
SNN
-
IAD
1 stop10h 48m
Multiple Airlines
Deal found 3/8$662
This KLM deal was found by Cheapflights users on 3/7. 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 7/147:50 pm
IAD
-
SNN
2 stops34h 20m
KLM
Wed 7/291:05 pm
SNN
-
IAD
1 stop11h 11m
KLM
Deal found 3/7$663

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$588
(KLM)

Popular in

April

Cheapest in

November

Average price

$944
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. 14% potential increase in price ($141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 11, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 5/25

7:33 pm-11:10 am

1 stop10h 37m

Shannon

Wed 6/3

1:05 pm-6:53 pm

1 stop10h 48m

$657

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 5/25

5:21 pm-11:10 am

2 stops12h 49m

Shannon

Wed 6/3

1:05 pm-6:53 pm

1 stop10h 48m

$662

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 4/26

12:41 pm-10:15 am

1 stop16h 34m

Shannon

Tue 5/12

12:30 pm-9:11 pm

1 stop13h 41m

$668

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 6/6

7:33 pm-11:10 am

1 stop10h 37m

Shannon

Tue 6/16

1:05 pm-7:16 pm

1 stop11h 11m

$757

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fri 5/29

5:42 pm-10:15 am

1 stop11h 33m

Shannon

Sun 6/7

12:30 pm-9:00 pm

1 stop13h 30m

$760

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 6/6

5:21 pm-11:10 am

2 stops12h 49m

Shannon

Tue 6/16

1:05 pm-7:16 pm

1 stop11h 11m

$762

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 5/20

3:45 pm-8:35 pm

2 stops23h 50m

Shannon

Thu 5/28

7:30 am-8:40 pm

2 stops18h 10m

$846

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fri 5/29

5:21 pm-11:10 am

2 stops12h 49m

Shannon

Sun 6/7

1:05 pm-7:16 pm

1 stop11h 11m

$846

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 4/26

5:35 pm-4:10 pm

2 stops17h 35m

Shannon

Tue 5/12

7:30 am-8:29 pm

2 stops17h 59m

$852

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 4/21

5:45 pm-11:20 am

1 stop12h 35m

Shannon

Tue 4/28

7:30 am-8:20 pm

1 stop17h 50m

$856

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 13 resultsSorted by cheapest first
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 March.
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 March 11, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, andUnited 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
8,278 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

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
8,278 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

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
7.8
Good
1,469 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

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
9,413 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

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
7.1
Good
11,421 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

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 $657, KLM can have you in Shannon, Clare from Washington, D.C. Dulles Intl Airport in 10h 37m. The distance between Washington, D.C. Dulles Intl Airport and Shannon, Clare is about 3296 mi. This flight may include one or multiple stops.

  • 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?

Book flights to Shannon if you plan to visit one of these locations
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Alternative routes for Dulles Intl to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$157Average$936FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$777FlexibilityNo cancel feeOn-time71%
KLMCheapest$643Average$644FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$646Average$763FlexibilityNo cancel feeOn-time69%

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