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Shannon

$327+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SNN
Mar 9 — Mar 161
Mon 3/9
Mon 3/16
1 adult, Economy
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Cheap 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 February 7, 2026.

This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:05 pm
DCA
-
SNN
2 stops18h 05m
Delta
Wed 8/191:05 pm
SNN
-
DCA
1 stop15h 07m
Delta
Deal found 2/6$598
This KLM deal was found by Cheapflights users on 2/6. 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.
Wed 8/127:59 pm
IAD
-
SNN
1 stop10h 11m
Multiple Airlines
Wed 8/191:05 pm
SNN
-
IAD
1 stop11h 11m
Multiple Airlines
Deal found 2/6$598
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Tue 9/810:45 am
BWI
-
SNN
1 stop15h 45m
United Airlines
Wed 9/169:30 am
SNN
-
BWI
1 stop12h 43m
United Airlines
Deal found 2/5$608
This United Airlines deal was found by Cheapflights users on 2/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:00 pm
DCA
-
SNN
1 stop11h 15m
United Airlines
Wed 4/1512:30 pm
SNN
-
DCA
1 stop9h 55m
United Airlines
Deal found 2/6$608
This KLM deal was found by Cheapflights users on 2/5. 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 9/812:30 pm
IAD
-
SNN
1 stop17h 40m
KLM
Wed 9/161:05 pm
SNN
-
IAD
1 stop11h 11m
KLM
Deal found 2/5$608
This KLM deal was found by Cheapflights users on 2/4. 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 9/82:10 pm
BWI
-
SNN
2 stops16h 00m
Multiple Airlines
Wed 9/161:05 pm
SNN
-
BWI
2 stops14h 49m
Multiple Airlines
Deal found 2/4$612
This KLM deal was found by Cheapflights users on 2/5. 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 9/81:45 pm
DCA
-
SNN
2 stops16h 25m
Multiple Airlines
Wed 9/161:05 pm
SNN
-
DCA
1 stop15h 07m
Multiple Airlines
Deal found 2/5$612
This KLM deal was found by Cheapflights users on 2/5. 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
2 stops16h 05m
Multiple Airlines
Deal found 2/5$612
This United Airlines deal was found by Cheapflights users on 2/5. 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 9/610:45 am
BWI
-
SNN
1 stop15h 45m
United Airlines
Sun 9/139:30 am
SNN
-
BWI
1 stop12h 43m
United Airlines
Deal found 2/5$658
This KLM deal was found by Cheapflights users on 2/5. 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 9/611:00 am
DCA
-
SNN
1 stop19h 10m
KLM
Sun 9/131:05 pm
SNN
-
DCA
1 stop15h 07m
KLM
Deal found 2/5$658
This KLM deal was found by Cheapflights users on 2/5. 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 9/67:59 pm
IAD
-
SNN
1 stop10h 11m
Multiple Airlines
Sun 9/131:05 pm
SNN
-
IAD
1 stop11h 11m
Multiple Airlines
Deal found 2/5$658
This KLM deal was found by Cheapflights users on 2/6. 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.
Wed 8/121:00 pm
BWI
-
SNN
2 stops17h 10m
Multiple Airlines
Wed 8/191:05 pm
SNN
-
BWI
2 stops16h 11m
Multiple Airlines
Deal found 2/6$659

Find 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 February 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$608
(United Airlines)

One-way from

$327
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$788
Provider with most accurate pricing for Washington, D.C. (WAS)-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Shannon flights.
Search Deals
From Washington, D.C. (WAS) to Shannon
Search Deals
One-way flight from Washington, D.C. (WAS) 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 February 2026
Search Deals

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 February 7, 2026.
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

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 4/6

6:00 pm-10:15 am

1 stop11h 15m

Shannon

Wed 4/15

12:30 pm-5:25 pm

1 stop9h 55m

$608

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 3/3

7:40 pm-9:30 pm

2 stops20h 50m

Shannon

Wed 3/11

5:30 pm-7:40 pm

2 stops30h 10m

$676

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 3/3

7:40 pm-9:30 pm

2 stops20h 50m

Shannon

Wed 3/11

5:30 pm-7:30 pm

2 stops30h 00m

$676

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 3/4

7:40 pm-2:40 pm

2 stops14h 00m

Shannon

Wed 3/11

5:30 pm-7:40 pm

2 stops30h 10m

$680

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 4/6

7:15 pm-11:20 am

1 stop11h 05m

Shannon

Wed 4/15

7:30 am-8:20 pm

1 stop17h 50m

$750

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 4/6

4:34 pm-11:20 am

2 stops13h 46m

Shannon

Wed 4/15

2:30 pm-10:29 pm

1 stop12h 59m

$754

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 3/19

10:00 pm-11:35 pm

2 stops21h 35m

Shannon

Thu 4/9

12:10 pm-3:05 pm

2 stops31h 55m

$772

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 3/4

6:20 pm-4:45 pm

1 stop17h 25m

Shannon

Wed 3/11

8:05 pm-4:35 pm

2 stops24h 30m

$774

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 3/5

9:00 am-4:45 pm

2 stops26h 45m

Shannon

Thu 3/12

11:15 am-5:40 pm

2 stops34h 25m

$777

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 3/29

1:34 pm-11:20 am

2 stops16h 46m

Shannon

Mon 4/6

9:15 pm-8:02 pm

2 stops27h 47m

$779

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 31 results
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Shannon in February.
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.-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.-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Shannon, Clare flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-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.-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 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

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 February 7, 2026.
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
9,245 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,245 reviews
United Airlines
7.4
Good
9,245 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,247 reviews
United Airlines
7.4
Good
9,245 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 4 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 11h 05m. Fly via United Airlines or British Airways to get the fastest option. The distance between Washington, D.C. and Shannon, Clare is about 3296 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, Delta ($157), American Airlines ($489), and United Airlines ($507) 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 82% less than the average price by searching for these airlines.

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

    Most travelers choose Washington, D.C. Dulles Intl - Shannon, Washington, D.C. Reagan-National - Shannon or Baltimore/Washington - 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.

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 4 airlines flying from Washington, D.C. to Shannon

Discover the top 4 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 February 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$157Average$962FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$895FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$507Average$785FlexibilityNo cancel feeOn-time69%
KLMCheapest$643Average$644FlexibilityNo cancel feeOn-time75%

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