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Shannon

$295+ Cheap flights from Washington, D.C. (WAS) 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SNN
Sep 2 — Sep 91
Tue 9/2
Tue 9/9
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 August 28, 2025.

Round-trip from

$584
(American Airlines)

One-way from

$295
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$712
From Washington, D.C. (WAS) to Shannon
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One-way flight from Washington, D.C. (WAS) to Shannon
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Highest demand for flights based on searches. 7% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Washington, D.C. to Shannon

Cheapest flights from Washington, D.C. to Shannon
Explore the most affordable flight options available from Washington, D.C. to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2025.

This American Airlines deal was found by Cheapflights users on 8/26. 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 11/268:35 pmBWI - SNN
1 stop15h 10mAmerican Airlines
Wed 1/147:50 amSNN - BWI
1 stop15h 55mAmerican Airlines
Deal found 8/26$584
This American Airlines deal was found by Cheapflights users on 8/26. 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 11/269:45 pmIAD - SNN
1 stop14h 00mAmerican Airlines
Wed 1/147:50 amSNN - IAD
1 stop17h 05mAmerican Airlines
Deal found 8/26$584
This Mytrip deal was found by Cheapflights users on 8/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:50 pmBWI - SNN
2 stops15h 50mMultiple Airlines
Mon 9/296:05 amSNN - BWI
2 stops16h 35mMultiple Airlines
Deal found 8/25$589
This American Airlines deal was found by Cheapflights users on 8/26. 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 11/265:45 pmDCA - SNN
2 stops12h 45mAmerican Airlines
Wed 1/147:50 amSNN - DCA
2 stops16h 25mAmerican Airlines
Deal found 8/26$595
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 10/239:35 pmBWI - SNN
1 stop18h 00mAmerican Airlines
Thu 11/67:50 amSNN - BWI
1 stop15h 55mAmerican Airlines
Deal found 8/27$658
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 10/2310:45 pmIAD - SNN
1 stop16h 50mAmerican Airlines
Thu 11/67:50 amSNN - IAD
1 stop17h 05mAmerican Airlines
Deal found 8/27$658
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Sat 11/89:45 pmIAD - SNN
1 stop14h 00mAmerican Airlines
Sat 11/157:50 amSNN - IAD
1 stop17h 05mAmerican Airlines
Deal found 8/27$684
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 9/145:27 pmDCA - SNN
1 stop11h 48mUnited Airlines
Thu 9/2512:30 pmSNN - DCA
1 stop10h 17mUnited Airlines
Deal found 8/28$695
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 9/145:50 pmIAD - SNN
1 stop11h 25mUnited Airlines
Wed 9/249:30 amSNN - IAD
1 stop16h 25mUnited Airlines
Deal found 8/28$695
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Fri 10/109:35 pmBWI - SNN
1 stop13h 15mAmerican Airlines
Tue 10/147:40 amSNN - BWI
1 stop17h 05mAmerican Airlines
Deal found 8/27$714
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Fri 10/105:50 pmIAD - SNN
1 stop17h 00mAmerican Airlines
Tue 10/149:15 pmSNN - IAD
1 stop23h 40mAmerican Airlines
Deal found 8/27$714
This American Airlines deal was found by Cheapflights users on 8/26. 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.
Fri 10/107:45 pmBWI - SNN
2 stops15h 05mAmerican Airlines
Fri 10/177:40 amSNN - BWI
1 stop17h 05mAmerican Airlines
Deal found 8/26$723

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 August 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Shannon that are best for you.

Fly from

Washington, D.C.

Fly to

Shannon

Route

Depart

Return

Price

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 11/26

8:35 pm-4:45 pm

1 stop15h 10m

Shannon

Wed 1/14

7:50 am-6:45 pm

1 stop15h 55m

$584

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 11/26

9:45 pm-4:45 pm

1 stop14h 00m

Shannon

Wed 1/14

7:50 am-7:55 pm

1 stop17h 05m

$584

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Mon 9/22

6:50 pm-3:40 pm

2 stops15h 50m

Shannon

Mon 9/29

6:05 am-5:40 pm

2 stops16h 35m

$589

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 11/26

5:45 pm-11:30 am

2 stops12h 45m

Shannon

Wed 1/14

7:50 am-7:15 pm

2 stops16h 25m

$595

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Thu 10/23

9:35 pm-8:35 pm

1 stop18h 00m

Shannon

Thu 11/6

7:50 am-6:45 pm

1 stop15h 55m

$658

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 10/23

10:45 pm-8:35 pm

1 stop16h 50m

Shannon

Thu 11/6

7:50 am-7:55 pm

1 stop17h 05m

$658

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 11/8

9:45 pm-4:45 pm

1 stop14h 00m

Shannon

Sat 11/15

7:50 am-7:55 pm

1 stop17h 05m

$684

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 9/14

7:15 pm-10:15 am

1 stop10h 00m

Shannon

Tue 9/23

9:30 am-7:03 pm

1 stop14h 33m

$695

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 9/14

7:15 pm-10:15 am

1 stop10h 00m

Shannon

Wed 9/24

12:30 pm-7:05 pm

1 stop11h 35m

$695

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 9/14

5:27 pm-10:15 am

1 stop11h 48m

Shannon

Thu 9/25

12:30 pm-5:47 pm

1 stop10h 17m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/27

Showing 1-10 of 41 results
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Best time to book a flight from Washington, D.C. to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Washington, D.C. 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. to Shannon

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

Find hourly flight availability from Washington, D.C. 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 August 28, 2025.

It’s optimal to fly from Washington, D.C. to Shannon, Clare in the morning. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from Washington, D.C. to Shannon, Clare?

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 August 28, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Washington, D.C. to Shannon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,944 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,944 reviews
United Airlines
7.4
Good
8,944 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,944 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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.?

    If you book a flight to Shannon from Washington, D.C., you will be flying to Shannon, which is the city’s only airport. Shannon (SNN) is located 2.1 mi from the center of Shannon. There are 0 flights from Washington, D.C. to Shannon per day from 5 different airlines.

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

    There are many flights that can get you from Washington, D.C. to Shannon, Clare in 10h. Fly via American Airlines or United Airlines to get the fastest option. The distance between Washington, D.C. and Shannon, Clare is about 3284 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, United Airlines ($634), KLM ($643), and Delta ($644) offers the cheapest pricing from Washington, D.C. to Shannon, Clare. You may be able to fly from Washington, D.C. to Shannon, Clare for 26% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. to Shannon, Clare one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. to Shannon, Clare are JetBlue ($346), American Airlines ($481), and United Airlines ($562).

  • What are the most popular routes from Washington, D.C. to Shannon, Clare?

    Most travelers choose Washington, D.C. Dulles Intl - Shannon, Baltimore/Washington - Shannon or Washington, D.C. Reagan-National - Shannon when deciding on the best route from Washington, D.C. to Shannon, Clare.

  • Can I find deals for flights from Washington, D.C. to Shannon that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Shannon?

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

  • Can I find deals for business class flights from Washington, D.C. to Shannon?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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.

  • What is the cheapest month to book a flight from Washington, D.C. to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Shannon, Clare (average of $533). Flying from Washington, D.C. to Shannon, Clare in June is currently the most expensive (average of $930). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Ennis

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Top 5 airlines flying from Washington, D.C. to Shannon

Discover the top 5 airlines that operate flights from Washington, D.C. 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 August 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$634Average$798FlexibilityNo cancel feeOn-time69%
KLMCheapest$643Average$645FlexibilityNo cancel feeOn-time75%
DeltaCheapest$644Average$936FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$708Average$1,041FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$796Average$899FlexibilityNo cancel feeOn-time70%

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