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Shannon

$226+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SNN
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$480
(United Airlines)

One-way from

$226
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$928
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. 9% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. 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 8/135:55 pmIAD - SNN
1 stop12h 25mAmerican Airlines
Wed 8/209:15 pmSNN - IAD
1 stop23h 40mAmerican Airlines
Deal found 7/1$486
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 8/1310:59 amBWI - SNN
1 stop15h 31mUnited Airlines
Wed 8/209:30 amSNN - BWI
1 stop17h 12mUnited Airlines
Deal found 7/1$487
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 8/1310:30 amDCA - SNN
1 stop16h 00mUnited Airlines
Tue 8/199:30 amSNN - DCA
1 stop11h 21mUnited Airlines
Deal found 6/30$487
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 8/133:39 pmIAD - SNN
1 stop10h 51mUnited Airlines
Wed 8/209:30 amSNN - IAD
1 stop11h 22mUnited Airlines
Deal found 6/30$487
This American Airlines deal was found by Cheapflights users on 7/1. 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 8/135:30 pmDCA - SNN
2 stops12h 50mAmerican Airlines
Wed 8/207:40 amSNN - DCA
2 stops16h 44mAmerican Airlines
Deal found 7/1$500
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Sun 7/279:20 pmBWI - SNN
1 stop13h 50mAmerican Airlines
Wed 8/137:40 amSNN - BWI
1 stop16h 55mAmerican Airlines
Deal found 6/30$525
This Delta deal was found by Cheapflights users on 6/30. 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.
Tue 7/228:31 pmIAD - SNN
1 stop9h 39mDelta
Tue 7/291:05 pmSNN - IAD
1 stop11h 46mDelta
Deal found 6/30$526
This KLM deal was found by Cheapflights users on 6/30. 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 8/411:51 amBWI - SNN
2 stops18h 19mKLM
Tue 8/121:05 pmSNN - BWI
2 stops25h 17mKLM
Deal found 6/30$531
This Delta deal was found by Cheapflights users on 7/2. 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.
Mon 9/15:00 pmDCA - SNN
1 stop13h 10mDelta
Tue 9/161:05 pmSNN - DCA
2 stops23h 13mDelta
Deal found 7/2$531
This KLM deal was found by Cheapflights users on 7/1. 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 7/2912:12 pmIAD - SNN
1 stop17h 58mMultiple Airlines
Wed 8/61:05 pmSNN - IAD
2 stops14h 50mMultiple Airlines
Deal found 7/1$531
This Mytrip deal was found by Cheapflights users on 6/29. 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.
Fri 9/126:50 pmBWI - SNN
2 stops18h 50mMultiple Airlines
Sat 9/206:45 amSNN - BWI
2 stops15h 55mMultiple Airlines
Deal found 6/29$543
This KLM deal was found by Cheapflights users on 6/30. 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.
Fri 8/88:31 pmIAD - SNN
1 stop9h 39mKLM
Fri 8/151:05 pmSNN - IAD
1 stop11h 38mKLM
Deal found 6/30$576

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 July 2, 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

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 8/13

5:55 pm-11:20 am

1 stop12h 25m

Shannon

Wed 8/20

9:15 pm-3:55 pm

1 stop23h 40m

$486

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 8/13

10:59 am-7:30 am

1 stop15h 31m

Shannon

Wed 8/20

9:30 am-9:42 pm

1 stop17h 12m

$487

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 8/13

10:30 am-7:30 am

1 stop16h 00m

Shannon

Tue 8/19

9:30 am-3:51 pm

1 stop11h 21m

$487

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 8/13

3:39 pm-7:30 am

1 stop10h 51m

Shannon

Wed 8/20

9:30 am-3:52 pm

1 stop11h 22m

$487

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 8/13

5:30 pm-11:20 am

2 stops12h 50m

Shannon

Wed 8/20

7:40 am-7:24 pm

2 stops16h 44m

$500

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Sun 7/27

9:20 pm-4:10 pm

1 stop13h 50m

Shannon

Wed 8/13

7:40 am-7:35 pm

1 stop16h 55m

$525

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 7/22

8:31 pm-11:10 am

1 stop9h 39m

Shannon

Tue 7/29

1:05 pm-7:51 pm

1 stop11h 46m

$526

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Mon 8/4

11:51 am-11:10 am

2 stops18h 19m

Shannon

Tue 8/12

1:05 pm-9:22 am

2 stops25h 17m

$531

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 7/29

12:12 pm-11:10 am

1 stop17h 58m

Shannon

Wed 8/6

1:05 pm-10:55 pm

2 stops14h 50m

$531

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 9/1

7:55 am-11:10 am

2 stops22h 15m

Shannon

Thu 9/18

1:05 pm-7:18 am

2 stops23h 13m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 36 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 July 2, 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.

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 July 2, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Air France 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.
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,472 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    According to our current data, United Airlines ($480), American Airlines ($486), and Delta ($526) 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 47% 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 United Airlines ($399), Delta ($418), and KLM ($434).

  • 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 $938). 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

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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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$643Average$645FlexibilityNo cancel feeOn-time75%
DeltaCheapest$644Average$936FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$646Average$801FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$708Average$977FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$796Average$945FlexibilityNo cancel feeOn-time70%

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