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Shannon

$521+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SNN
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
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 diciembre 12, 2025.

This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/115:59 pmDCA - SNN
1 stop31h 21mMultiple Airlines
mar. 1/202:45 pmSNN - DCA
1 stop12h 00mMultiple Airlines
Deal found 12/11$1,125
This British Airways deal was found by Cheapflights users on 12/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/113:54 pmDCA - SNN
2 stops14h 36mBritish Airways
mar. 1/207:50 amSNN - DCA
2 stops16h 04mBritish Airways
Deal found 12/11$1,468
This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:50 pmDCA - SNN
2 stops16h 55mAir Canada
mié. 12/315:30 pmSNN - DCA
2 stops33h 26mAir Canada
Deal found 12/11$1,473
This Air Canada deal was found by Cheapflights users on 12/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/109:40 amDCA - SNN
2 stops26h 05mAir Canada
dom. 12/148:05 pmSNN - DCA
2 stops30h 51mAir Canada
Deal found 12/9$1,513
This American Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/251:44 pmDCA - SNN
2 stops16h 46mAmerican Airlines
mié. 12/317:50 amSNN - DCA
2 stops16h 55mAmerican Airlines
Deal found 12/10$1,667
This oojo deal was found by Cheapflights users on 12/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/235:41 pmDCA - SNN
2 stops18h 04mBritish Airways
vie. 12/267:50 amSNN - DCA
2 stops18h 46mBritish Airways
Deal found 12/9$1,801
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/251:44 pmDCA - SNN
2 stops16h 46mMultiple Airlines
mié. 12/312:45 pmSNN - DCA
1 stop11h 05mMultiple Airlines
Deal found 12/10$2,463
This FlightHub deal was found by Cheapflights users on 12/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/105:54 pmDCA - SNN
2 stops12h 36mBritish Airways
mié. 12/177:50 amSNN - DCA
2 stops18h 40mBritish Airways
Deal found 12/9$13,828

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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$603
(American Airlines)

One-way from

$521
(oojo)

Popular in

June

Cheapest in

August
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.
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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. 7% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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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 diciembre 12, 2025.
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

Reagan-National

Fly to

Shannon

Route

Depart

Return

Price

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

lun. 2/9

3:30 pm-11:30 am

2 stops15h 00m

Shannon

mar. 2/17

7:50 am-10:31 pm

2 stops19h 41m

$603

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

dom. 1/25

4:43 pm-11:30 am

2 stops13h 47m

Shannon

dom. 2/1

7:50 am-10:03 pm

2 stops19h 13m

$671

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

lun. 1/26

1:44 pm-11:30 am

2 stops16h 46m

Shannon

lun. 2/2

7:50 am-9:30 pm

2 stops18h 40m

$671

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

vie. 1/16

3:30 pm-11:30 am

2 stops15h 00m

Shannon

mar. 1/20

7:50 am-10:03 pm

2 stops19h 13m

$671

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

sáb. 1/24

1:59 pm-11:30 am

2 stops16h 31m

Shannon

sáb. 1/31

7:50 am-9:58 pm

2 stops19h 08m

$736

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

mié. 1/7

3:30 pm-11:30 am

2 stops15h 00m

Shannon

mié. 1/14

7:50 am-10:03 pm

2 stops19h 13m

$740

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

sáb. 1/24

6:00 am-4:45 pm

2 stops29h 45m

Shannon

sáb. 1/31

5:25 pm-3:33 pm

3 stops27h 08m

$802

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

dom. 1/25

6:50 pm-7:25 pm

3 stops19h 35m

Shannon

dom. 2/1

8:05 pm-3:33 pm

3 stops24h 28m

$827

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

lun. 1/26

3:30 pm-11:30 am

2 stops15h 00m

Shannon

lun. 2/2

2:45 pm-10:37 pm

1 stop12h 52m

$833

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

mié. 2/4

3:30 pm-11:30 am

2 stops15h 00m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 16 results
1
2

Compare providers for flights from Reagan-National 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 Reagan-National to Shannon in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 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. Reagan-National Airport-Shannon, Clare flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Shannon, Clare flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 diciembre 12, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Shannon, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 2 airlines. 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?

    American Airlines can get you from Washington, D.C. Reagan-National Airport to Shannon, Clare in just under 15h. Your travel time can differ by up to . Washington, D.C. Reagan-National Airport and Shannon, Clare are separated by a distance of 3284 mi.

  • What are the cheapest airlines flying 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 $685. Another airline that can offer you cheap pricing is American Airlines.

  • 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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Top 2 airlines flying from Reagan-National to Shannon

Discover the top 2 airlines 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$685Average$892FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$785Average$996FlexibilityNo cancel feeOn-time71%

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