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 $555. Other airlines that can offer you cheap pricing are Delta, from $568, and United Airlines, from $571.

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 American Airlines ($490).

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.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Shannon, Clare?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Shannon, Clare flight should consider departing on Friday afternoons when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Sunday is generally a great day to depart. Flying on this day could help you save up to 52%.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Shannon, Clare?

February is one of the best times of the year to fly to Shannon, Clare from Washington, D.C. Reagan-National Airport. Prices for February average $905 per person but you can even find prices for as low as $711. The most expensive prices can be found in the month of June. Opting for a February flight can save you 38% on your journey compared to booking in June

What is the cheapest time of day to fly from DCA to SNN?

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Shannon, Clare in the morning. Doing so could potentially save you 19% on the flight price compared to flying at noon, which is usually more expensive.

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.

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.

$446+ Flights from Washington, D.C. Reagan-National Airport to Shannon

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Cheap flight deals from Reagan-National to Shannon

Round-trip from	$555 (KLM)
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 12, 2025.

Sun 7/64:56 pmDCA - SNN

1 stop13h 14mKLM

Tue 7/221:05 pmSNN - DCA

2 stops15h 37mKLM

Deal found 6/10

$555

Sun 7/63:40 pmDCA - SNN

2 stops14h 30mDelta

Tue 7/221:05 pmSNN - DCA

2 stops15h 37mDelta

Deal found 6/10

$568

Sun 7/62:00 pmDCA - SNN

1 stop12h 30mUnited Airlines

Tue 7/2212:30 pmSNN - DCA

1 stop9h 59mUnited Airlines

Deal found 6/12

$571

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

Sun 7/2712:00 pmDCA - SNN

1 stop14h 30mBrussels Airlines

Sun 8/312:30 pmSNN - DCA

1 stop26h 57mBrussels Airlines

Deal found 6/12

$723

Sun 7/2712:10 pmDCA - SNN

2 stops18h 00mMultiple Airlines

Sun 8/31:05 pmSNN - DCA

1 stop15h 30mMultiple Airlines

Deal found 6/12

$727

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

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

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

Best flights from Reagan-National to Shannon
Discover carefully curated flight deals from Reagan-National to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Sun 7/64:56 pmDCA - SNN

1 stop13h 14mKLM

Tue 7/221:05 pmSNN - DCA

2 stops15h 37mKLM

Deal found 6/10

$555

Sun 7/63:40 pmDCA - SNN

2 stops14h 30mDelta

Tue 7/221:05 pmSNN - DCA

2 stops15h 37mDelta

Deal found 6/10

$568

Sun 7/62:00 pmDCA - SNN

1 stop12h 30mUnited Airlines

Tue 7/2212:30 pmSNN - DCA

1 stop9h 59mUnited Airlines

Deal found 6/12

$571

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

Sun 7/2712:00 pmDCA - SNN

1 stop14h 30mBrussels Airlines

Sun 8/312:30 pmSNN - DCA

1 stop26h 57mBrussels Airlines

Deal found 6/12

$723

Sun 7/2712:10 pmDCA - SNN

2 stops18h 00mMultiple Airlines

Sun 8/31:05 pmSNN - DCA

1 stop15h 30mMultiple Airlines

Deal found 6/12

$727

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

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

Tue 9/303:35 pmDCA - SNN

2 stops14h 45mBritish Airways

Tue 10/147:40 amSNN - DCA

2 stops18h 04mBritish Airways

Deal found 6/11

$1,438

Last-minute flights from Reagan-National to Shannon
Discover last-minute flight deals from Reagan-National to Shannon. Data last updated June 12, 2025 and is based on user searches.

Sat 6/216:25 amDCA - SNN

1 stop20h 05mUnited Airlines

Sat 6/2812:30 pmSNN - DCA

1 stop11h 39mUnited Airlines

Deal found 6/12

$865

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

Sun 7/64:56 pmDCA - SNN

1 stop13h 14mKLM

Tue 7/221:05 pmSNN - DCA

2 stops15h 37mKLM

Deal found 6/10

$555

Sun 7/63:40 pmDCA - SNN

2 stops14h 30mDelta

Tue 7/221:05 pmSNN - DCA

2 stops15h 37mDelta

Deal found 6/10

$568

Sun 7/62:00 pmDCA - SNN

1 stop12h 30mUnited Airlines

Tue 7/2212:30 pmSNN - DCA

1 stop9h 59mUnited Airlines

Deal found 6/12

$571

Sun 7/204:30 pmDCA - SNN

2 stops18h 40mAir Canada

Sat 7/265:30 pmSNN - DCA

2 stops33h 57mAir Canada

Deal found 6/11

$849

Sat 7/263:59 pmDCA - SNN

2 stops14h 21mAmerican Airlines

Sat 8/27:40 amSNN - DCA

2 stops20h 31mAmerican Airlines

Deal found 6/11

$836

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

Sun 7/2712:00 pmDCA - SNN

1 stop14h 30mBrussels Airlines

Sun 8/312:30 pmSNN - DCA

1 stop26h 57mBrussels Airlines

Deal found 6/12

$723

Sun 7/2712:10 pmDCA - SNN

2 stops18h 00mMultiple Airlines

Sun 8/31:05 pmSNN - DCA

1 stop15h 30mMultiple Airlines

Deal found 6/12

$727

One-way flights from Reagan-National to Shannon
Search for one-way flight options from Reagan-National to Shannon. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Tue 7/110:30 amDCA - SNN

1 stop16h 00mUnited Airlines

Deal found 6/10

$446

Sun 7/2011:00 amDCA - SNN

1 stop19h 10mDelta

Deal found 6/10

$447

Sat 7/197:00 amDCA - SNN

3 stops30h 00mMultiple Airlines

Deal found 6/10

$464

Tue 9/234:52 pmDCA - SNN

2 stops13h 28mAmerican Airlines

Deal found 6/11

$490

Tue 7/112:10 pmDCA - SNN

2 stops18h 00mKLM

Deal found 6/10

$492

Wed 8/209:40 amDCA - SNN

2 stops20h 40mAir Canada

Deal found 6/9

$531

Sat 7/122:54 pmDCA - SNN

2 stops15h 26mBritish Airways

Deal found 6/10

$651

Cheapflights Fare Finder

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

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

Sun 7/6

2:00 pm-7:30 am

1 stop12h 30m

Shannon

Tue 7/22

12:30 pm-5:29 pm

1 stop9h 59m

$571

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

Sun 7/27

12:00 pm-7:30 am

1 stop14h 30m

Shannon

Sun 8/3

12:30 pm-10:27 am

1 stop26h 57m

$723

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 7/27

12:10 pm-11:10 am

2 stops18h 00m

Shannon

Sun 8/3

1:05 pm-11:35 pm

1 stop15h 30m

$727

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

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

Tue 9/30

3:35 pm-11:20 am

2 stops14h 45m

Shannon

Tue 10/14

7:40 am-6:27 pm

2 stops15h 47m

$1,438

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results

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

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

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 a feel of what it's like to fly with Delta, KLM and Air France 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.

Delta

8.0

Very good

7,946 reviews

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

7,946 reviews

Delta

8.0

Very good

7,946 reviews

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

7,946 reviews

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

7,946 reviews

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!

Brussels Airlines

7.4

Good

355 reviews

Delta

8.0

Very good

7,946 reviews

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

8,790 reviews

Delta

8.0

Very good

7,946 reviews

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

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 $555. Other airlines that can offer you cheap pricing are Delta, from $568, and United Airlines, from $571.
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 American Airlines ($490).
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

Ennis

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Top 2 airlines flying from Reagan-National to Shannon

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$685	Average$899	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$701	Average$942	FlexibilityNo cancel fee	On-time71%

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$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.

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Cheap flight deals from Reagan-National to Shannon

Round-trip from

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Average price

Find flight deals from Reagan-National to Shannon

Cheapest flights from Reagan-National to ShannonExplore 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 12, 2025.

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 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Shannon that are best for you.

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.

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.

Temperature in Shannon by month

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

Reviews of airlines servicing Shannon

Get a feel of what it's like to fly with Delta, KLM and Air France 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.

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?

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Shannon, Clare round-trip?

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Reagan-National to Shannon

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Reagan-National to Shannon

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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 12, 2025.