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Shannon

$326+ Cheap flights from Dulles Intl (IAD) to Shannon (SNN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SNN
nov. 26 — déc. 31
mer. 11/26
mer. 12/3
1 adult, Economy
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Find 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 octobre 27, 2025.

This American Airlines deal was found by Cheapflights users on 10/26. 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.
mar. 12/29:45 pmIAD - SNN
1 stop14h 00mAmerican Airlines
mar. 12/97:50 amSNN - IAD
1 stop12h 45mAmerican Airlines
Deal found 10/26$489
This American Airlines deal was found by Cheapflights users on 10/26. 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.
lun. 12/89:45 pmIAD - SNN
1 stop14h 00mAmerican Airlines
lun. 12/157:50 amSNN - IAD
1 stop17h 05mAmerican Airlines
Deal found 10/26$504
This American Airlines deal was found by Cheapflights users on 10/26. 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.
mar. 11/256:20 pmIAD - SNN
1 stop17h 25mAmerican Airlines
mar. 12/27:50 amSNN - IAD
1 stop12h 45mAmerican Airlines
Deal found 10/26$609
This American Airlines deal was found by Cheapflights users on 10/25. 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.
mar. 12/92:16 pmIAD - SNN
2 stops16h 14mAmerican Airlines
mar. 12/167:50 amSNN - IAD
2 stops20h 18mAmerican Airlines
Deal found 10/25$610
This American Airlines deal was found by Cheapflights users on 10/27. 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.
ven. 11/79:45 pmIAD - SNN
1 stop13h 00mAmerican Airlines
mar. 11/117:50 amSNN - IAD
1 stop17h 05mAmerican Airlines
Deal found 10/27$613
This Mytrip deal was found by Cheapflights users on 10/24. 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.
mar. 12/27:40 pmIAD - SNN
2 stops20h 50mMultiple Airlines
sam. 12/65:25 pmSNN - IAD
2 stops30h 05mMultiple Airlines
Deal found 10/24$648
This Mytrip deal was found by Cheapflights users on 10/26. 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.
lun. 12/87:40 pmIAD - SNN
2 stops13h 30mMultiple Airlines
lun. 12/157:50 amSNN - IAD
2 stops15h 40mMultiple Airlines
Deal found 10/26$649

Cheap 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 octobre 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$489
(American Airlines)

One-way from

$326
(Mytrip)

Popular in

June

Cheapest in

August

Average price

$936
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Shannon flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Shannon flights.
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From Washington, D.C. Dulles Intl to Shannon
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One-way flight from Washington, D.C. Dulles Intl to Shannon
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 octobre 27, 2025.
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

mar. 12/2

9:45 pm-4:45 pm

1 stop14h 00m

Shannon

mar. 12/9

7:50 am-3:35 pm

1 stop12h 45m

$489

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

mar. 12/9

2:16 pm-11:30 am

2 stops16h 14m

Shannon

mar. 12/16

7:50 am-3:35 pm

1 stop12h 45m

$495

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

mar. 1/20

1:08 pm-11:30 am

2 stops17h 22m

Shannon

ven. 1/30

7:50 am-7:55 pm

1 stop17h 05m

$495

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

lun. 12/8

2:16 pm-11:30 am

2 stops16h 14m

Shannon

lun. 12/15

7:50 am-7:55 pm

1 stop17h 05m

$510

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

ven. 11/7

9:45 pm-3:45 pm

1 stop13h 00m

Shannon

mar. 11/11

7:50 am-7:55 pm

1 stop17h 05m

$613

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

jeu. 4/23

10:20 pm-8:35 pm

1 stop17h 15m

Shannon

jeu. 4/30

7:40 am-8:20 pm

1 stop17h 40m

$619

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

mar. 11/25

6:20 pm-4:45 pm

1 stop17h 25m

Shannon

mar. 12/2

7:50 am-11:07 pm

2 stops20h 17m

$624

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

mar. 12/2

7:40 pm-9:30 pm

2 stops20h 50m

Shannon

sam. 12/6

5:25 pm-6:30 pm

2 stops30h 05m

$648

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

jeu. 3/19

6:30 pm-11:35 pm

2 stops25h 05m

$326

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

lun. 12/15

5:30 pm-1:55 pm

3 stops39h 25m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 13 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Shannon, Clare flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Shannon

What is the cheapest time of day to fly from IAD to SNN?

Find hourly flight availability from Dulles Intl to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octobre 27, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Shannon, Clare in the evening. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight at noon.

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 octobre 27, 2025.
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
7,994 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,406 reviews
Delta
7.9
Good
7,994 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,997 reviews
Delta
7.9
Good
7,994 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,476 reviews
Delta
7.9
Good
7,994 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 $489, American Airlines can have you in Shannon, Clare from Washington, D.C. Dulles Intl Airport in 14h. 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 KLM and United Airlines, with the lowest prices starting at $643 and $646, 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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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 octobre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$157Average$795FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$643Average$645FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$646Average$704FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$796Average$945FlexibilityNo cancel feeOn-time70%

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