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Shannon

$496+ Cheap flights from Reagan-National (DCA) 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SNN
abr 13 — abr 201
seg 4/13
seg 4/20
1 adult, Economy
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Cheap flight deals from Reagan-National to Shannon

Cheapest flights from Reagan-National to Shannon
Explore the most affordable flight options available from Reagan-National to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on março 14, 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.
ter 9/85:00 pm
DCA
-
SNN
1 stop13h 10m
KLM
qua 9/161:05 pm
SNN
-
DCA
1 stop15h 07m
KLM
Deal found 3/9$588
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.
ter 9/81:45 pm
DCA
-
SNN
2 stops16h 25m
Multiple Airlines
qua 9/161:05 pm
SNN
-
DCA
1 stop15h 07m
Multiple Airlines
Deal found 3/9$593
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/21:00 pm
DCA
-
SNN
1 stop13h 30m
United Airlines
seg 9/79:30 am
SNN
-
DCA
1 stop28h 45m
United Airlines
Deal found 3/8$594
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/25:15 pm
DCA
-
SNN
2 stops12h 55m
Delta
seg 9/71:05 pm
SNN
-
DCA
1 stop26h 21m
Delta
Deal found 3/8$598
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.
sáb 7/115:00 pm
DCA
-
SNN
1 stop13h 10m
KLM
qua 7/221:05 pm
SNN
-
DCA
1 stop15h 07m
KLM
Deal found 3/9$657
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.
sáb 7/111:45 pm
DCA
-
SNN
2 stops16h 25m
Multiple Airlines
qua 7/221:05 pm
SNN
-
DCA
2 stops14h 46m
Multiple Airlines
Deal found 3/9$662
This United Airlines deal was found by Cheapflights users on 3/11. 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.
dom 5/34:35 pm
DCA
-
SNN
1 stop12h 40m
United Airlines
dom 5/1712:30 pm
SNN
-
DCA
1 stop31h 54m
United Airlines
Deal found 3/11$669
This KAYAK deal was found by Cheapflights users on 3/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 5/1310:05 am
DCA
-
SNN
1 stop19h 10m
Lufthansa
qua 5/279:30 am
SNN
-
DCA
1 stop11h 22m
Lufthansa
Deal found 3/13$730

Find flight deals from Reagan-National to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 março 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$588
(KLM)

One-way from

$496
(Mytrip)

Popular in

April

Cheapest in

November

Average price

$944
Provider with most accurate pricing for Washington, D.C. Reagan-National-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Shannon flights.
Search Deals
From Washington, D.C. Reagan-National to Shannon
Search Deals
One-way flight from Washington, D.C. Reagan-National to Shannon
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 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 Reagan-National 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 março 14, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Shannon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

sex 5/29

11:00 am-11:10 am

1 stop19h 10m

Shannon

dom 6/7

1:05 pm-11:12 pm

1 stop15h 07m

$707
Quickest round-trip

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

sáb 4/4

6:00 pm-10:15 am

1 stop11h 15m

Shannon

ter 4/14

12:30 pm-5:25 pm

1 stop9h 55m

$795

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

dom 4/26

6:00 pm-10:15 am

1 stop11h 15m

Shannon

dom 5/3

12:30 pm-7:31 pm

1 stop12h 01m

$795

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

sáb 4/25

6:00 pm-10:15 am

1 stop11h 15m

Shannon

sáb 5/2

12:30 pm-5:25 pm

1 stop9h 55m

$845

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

sex 5/29

12:27 pm-11:10 am

2 stops17h 43m

Shannon

dom 6/7

1:05 pm-6:11 pm

1 stop10h 06m

$886

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

qua 4/15

12:55 pm-4:10 pm

2 stops22h 15m

Shannon

qua 4/29

7:30 am-9:55 pm

2 stops19h 25m

$931

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

seg 4/6

7:30 am-5:25 am

1 stop16h 55m

Shannon

seg 4/13

1:45 pm-7:04 pm

1 stop10h 19m

$934

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

seg 4/6

4:10 pm-8:35 pm

2 stops23h 25m

Shannon

seg 4/13

9:15 pm-3:30 pm

2 stops47h 15m

$935

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

seg 4/27

7:00 am-5:25 am

1 stop17h 25m

Shannon

seg 5/4

1:45 pm-9:00 pm

1 stop12h 15m

$936

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

qua 4/15

1:44 pm-11:20 am

2 stops16h 36m

Shannon

qua 4/29

2:30 pm-10:29 pm

1 stop12h 59m

$940

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3
  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National 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. Reagan-National Airport-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National 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. Reagan-National 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. Reagan-National 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 Reagan-National to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Reagan-National 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 março 14, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Shannon, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,423 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

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
9,423 reviews
United Airlines
7.4
Good
9,423 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

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 Reagan-National 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. Reagan-National?

    Most people fly into Shannon (SNN) if they book a flight to Shannon from Washington, D.C. Reagan-National. On average, Shannon has 0 inbound flights from Washington, D.C. Reagan-National per day from 1 airline. Shannon is conveniently located just 2.1 mi from Shannon’s city center.

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

    KLM, United Airlines, and Delta can get you from Washington, D.C. Reagan-National Airport to Shannon, Clare in just under 11h 15m. Your travel time can differ by up to 7h 55m. Washington, D.C. Reagan-National Airport and Shannon, Clare are separated by a distance of 3284 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Washington, D.C. Reagan-National Airport to Shannon, Clare round-trip?

    Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Shannon, Clare round-trip from $507.

  • Can I find deals for flights from Reagan-National to Shannon that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Shannon?

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

  • Can I find deals for business class flights from Reagan-National to Shannon?

    Yes. Cheapflights offers flight deals from Reagan-National 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 Reagan-National to Shannon

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Top airline flying from Reagan-National to Shannon

Discover the top airline that operate flights from Reagan-National 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 março 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$507Average$827FlexibilityNo cancel feeOn-time69%

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