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Shannon

$572+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SNN
May 26 — Jun 21
Tue 5/26
Tue 6/2
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 April 26, 2026.

This Delta deal was found by Cheapflights users on 4/21. 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 9/85:00 pm
DCA
-
SNN
1 stop13h 10m
Delta
Wed 9/161:05 pm
SNN
-
DCA
1 stop15h 07m
Delta
Deal found 4/21$827
This KLM deal was found by Cheapflights users on 4/22. 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 9/811:00 am
DCA
-
SNN
1 stop19h 10m
KLM
Wed 9/161:05 pm
SNN
-
DCA
1 stop15h 07m
KLM
Deal found 4/22$828
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 8/87:05 pm
DCA
-
SNN
1 stop31h 25m
United Airlines
Wed 8/199:30 am
SNN
-
DCA
1 stop16h 13m
United Airlines
Deal found 4/22$890
This KLM deal was found by Cheapflights users on 4/24. 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 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
2 stops15h 19m
Multiple Airlines
Deal found 4/24$904
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:00 pm
DCA
-
SNN
1 stop13h 30m
United Airlines
Sat 9/199:30 am
SNN
-
DCA
1 stop17h 56m
United Airlines
Deal found 4/25$927
This KLM deal was found by Cheapflights users on 4/21. 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 8/305:00 pm
DCA
-
SNN
1 stop13h 10m
KLM
Mon 9/71:05 pm
SNN
-
DCA
1 stop15h 07m
KLM
Deal found 4/21$933
This KLM deal was found by Cheapflights users on 4/21. 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 8/303:55 pm
DCA
-
SNN
2 stops14h 15m
Multiple Airlines
Mon 9/71:05 pm
SNN
-
DCA
1 stop15h 07m
Multiple Airlines
Deal found 4/21$938
This KLM deal was found by Cheapflights users on 4/21. 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 7/125:00 pm
DCA
-
SNN
1 stop13h 10m
KLM
Tue 7/211:05 pm
SNN
-
DCA
1 stop14h 54m
KLM
Deal found 4/21$939
This United Airlines deal was found by Cheapflights users on 4/22. 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 7/1210:30 am
DCA
-
SNN
1 stop16h 00m
United Airlines
Tue 7/219:30 am
SNN
-
DCA
1 stop13h 42m
United Airlines
Deal found 4/22$940
This Delta deal was found by Cheapflights users on 4/21. 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.
Sun 7/122:45 pm
DCA
-
SNN
2 stops15h 25m
Delta
Tue 7/211:05 pm
SNN
-
DCA
1 stop14h 54m
Delta
Deal found 4/21$944

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 April 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$827
(Delta)

One-way from

$572
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$1,107
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. 9% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 26, 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

Tue 9/8

11:00 am-11:10 am

1 stop19h 10m

Shannon

Wed 9/16

1:05 pm-11:12 pm

1 stop15h 07m

$828

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 9/8

3:55 pm-11:10 am

2 stops14h 15m

Shannon

Wed 9/16

1:05 pm-11:12 pm

1 stop15h 07m

$832

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 9/8

3:55 pm-11:10 am

2 stops14h 15m

Shannon

Wed 9/16

1:05 pm-11:12 pm

1 stop15h 07m

$832

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 8/30

3:55 pm-11:10 am

2 stops14h 15m

Shannon

Mon 9/7

1:05 pm-11:12 pm

1 stop15h 07m

$938
Quickest round-trip

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 8/4

5:00 pm-11:10 am

1 stop13h 10m

Shannon

Tue 8/11

1:05 pm-6:11 pm

1 stop10h 06m

$939

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Thu 9/10

1:45 pm-11:10 am

2 stops16h 25m

Shannon

Sat 9/19

1:05 pm-11:24 pm

2 stops15h 19m

$1,004

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 7/12

5:29 pm-11:10 am

2 stops12h 41m

Shannon

Tue 7/21

1:05 pm-10:59 pm

1 stop14h 54m

$1,028

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 7/13

12:23 pm-11:10 am

2 stops17h 47m

Shannon

Tue 7/21

1:05 pm-10:55 pm

2 stops14h 50m

$1,058
Cheapest one-way

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 9/20

6:30 am-7:30 am

1 stop20h 00m

$588

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 5/18

6:09 am-1:30 pm

2 stops26h 21m

$593

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 18 resultsSorted by cheapest first
1
2
  • 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 April 26, 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
9,657 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,657 reviews
United Airlines
7.4
Good
9,657 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 and Delta can get you from Washington, D.C. Reagan-National Airport to Shannon, Clare in just under 14h 15m. Your travel time can differ by up to 4h 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
Ennis

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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 April 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$507Average$827FlexibilityNo cancel feeOn-time69%

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