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Shannon

$446+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SNN
Jun 16 — Jun 231
Mon 6/16
Mon 6/23
1 adult, Economy
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Cheap 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 June 11, 2025.

Round-trip from

$541
(United Airlines)

One-way from

$446
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$1,250
From Washington, D.C. Reagan-National to Shannon
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One-way flight from Washington, D.C. Reagan-National to Shannon
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Highest demand for flights based on searches. 9% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 11, 2025.

This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/64:56 pmDCA - SNN
1 stop13h 14mKLM
Tue 7/221:05 pmSNN - DCA
1 stop15h 30mKLM
Deal found 6/10$555
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/63:40 pmDCA - SNN
2 stops14h 30mDelta
Tue 7/221:05 pmSNN - DCA
2 stops15h 37mDelta
Deal found 6/10$568
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 8/255:30 pmDCA - SNN
2 stops12h 50mAmerican Airlines
Tue 9/27:40 amSNN - DCA
2 stops15h 58mAmerican Airlines
Deal found 6/10$587
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/197:00 pmDCA - SNN
1 stop10h 15mUnited Airlines
Wed 7/3012:30 pmSNN - DCA
1 stop9h 58mUnited Airlines
Deal found 6/10$623
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/238:40 pmDCA - SNN
2 stops14h 30mMultiple Airlines
Mon 9/299:15 pmSNN - DCA
2 stops23h 36mMultiple Airlines
Deal found 6/11$744
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/248:40 pmDCA - SNN
2 stops14h 30mAir Canada
Tue 9/27:40 amSNN - DCA
2 stops19h 54mAir Canada
Deal found 6/10$796
This Air France deal was found by Cheapflights users on 6/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/261:41 pmDCA - SNN
2 stops16h 29mAir France
Sat 8/21:05 pmSNN - DCA
1 stop10h 09mAir France
Deal found 6/11$840
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/212:54 pmDCA - SNN
2 stops15h 26mBritish Airways
Sat 6/285:30 pmSNN - DCA
2 stops28h 00mBritish Airways
Deal found 6/10$1,408

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 June 11, 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

Sun 7/6

4:56 pm-11:10 am

1 stop13h 14m

Shannon

Tue 7/22

1:05 pm-11:42 pm

2 stops15h 37m

$555

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 7/6

3:40 pm-11:10 am

2 stops14h 30m

Shannon

Tue 7/22

1:05 pm-11:42 pm

2 stops15h 37m

$568

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 8/25

5:30 pm-11:20 am

2 stops12h 50m

Shannon

Tue 9/2

7:40 am-6:38 pm

2 stops15h 58m

$587

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 7/19

7:00 pm-10:15 am

1 stop10h 15m

Shannon

Tue 7/29

12:30 pm-5:29 pm

1 stop9h 59m

$623

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 8/24

8:40 pm-4:10 pm

2 stops14h 30m

Shannon

Tue 9/2

7:40 am-10:34 pm

2 stops19h 54m

$796

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 8/25

6:00 am-12:10 am

3 stops37h 10m

Shannon

Tue 9/2

9:10 pm-9:51 pm

3 stops29h 41m

$820

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 7/26

1:41 pm-11:10 am

2 stops16h 29m

Shannon

Sat 8/2

1:05 pm-6:14 pm

1 stop10h 09m

$840

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 6/21

2:54 pm-11:20 am

2 stops15h 26m

Shannon

Sat 6/28

5:30 pm-4:30 pm

2 stops28h 00m

$1,408

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 7/1

10:30 am-7:30 am

1 stop16h 00m

$446

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 7/20

12:29 pm-11:10 am

2 stops17h 41m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 15 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Shannon

Rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Shannon, Clare ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon, Clare when rainfall is around 2.3 in.

Temperature in Shannon by month

Plan your trip to Shannon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Shannon, Clare, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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 June 11, 2025.
Delta
8.0
Very good
7,945 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
7,945 reviews
Delta
8.0
Very good
7,945 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
1,358 reviews
Delta
8.0
Very good
7,945 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
1,463 reviews
Delta
8.0
Very good
7,945 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
8,784 reviews
Delta
8.0
Very good
7,945 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
7,945 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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 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.

  • 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 $541. Other airlines that can offer you cheap pricing are KLM, from $555, and Delta, from $568.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Shannon, Clare one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Shannon, Clare are United Airlines ($446), Delta ($447), and KLM ($492).

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Shannon, Clare (average of $533). Flying from Washington, D.C. Reagan-National Airport to Shannon, Clare in June is currently the most expensive (average of $959). 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

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport 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 June 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$685Average$899FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$701Average$942FlexibilityNo cancel feeOn-time71%

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