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

British Airways and United Airlines can get you from Washington, D.C. Reagan-National Airport to Shannon, Clare in just under 13h 55m. Your travel time can differ by up to 3h 35m. 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.

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.

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).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Shannon, Clare as you normally would.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Shannon, Clare flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C. Reagan-National Airport-Shannon, Clare flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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.

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 0 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.

$311+ Cheap Flights from Washington, D.C. Reagan-National Airport to Shannon

Q: E

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Shannon, Clare flights, Cheapflights users trust Expedia the most. Expedia 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.

Q: 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 0 airlines. Shannon is conveniently located just 2.1 mi from Shannon’s city center.

Q: 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.

Q: 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.

Q: 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.

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Cheap flight deals from Reagan-National to Shannon

Cheapest

Best

Last-minute

One-way

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 September 11, 2026.

Sun 9/208:20 pm -

1 stop8h 55m

Tue 10/612:30 pm -

1 stop24h 19m

Deal found 9/10

$580

Thu 9/1710:27 am -

1 stop18h 48m

Sun 9/209:30 am -

1 stop13h 39m

Deal found 9/10

$698

Thu 9/1711:10 am -

1 stop19h 00m

Sun 9/201:05 pm -

2 stops15h 39m

Deal found 9/10

$703

Tue 10/204:55 pm -

2 stops13h 25m

Tue 11/37:50 am -

2 stops16h 33m

Deal found 9/10

$765

Tue 10/204:55 pm -

2 stops13h 25m

Tue 11/32:00 pm -

1 stop14h 07m

Deal found 9/10

$770

Tue 10/201:15 pm -

1 stop11h 10m

Tue 11/32:00 pm -

1 stop14h 07m

Deal found 9/10

$777

Mon 10/511:45 am -

1 stop17h 30m

Tue 10/2012:30 pm -

1 stop27h 14m

Deal found 9/7

$778

Sun 9/205:18 pm -

2 stops13h 02m

Tue 10/69:15 pm -

2 stops26h 50m

Deal found 9/10

$794

Sun 9/201:33 pm -

2 stops21h 37m

Tue 10/61:45 pm -

1 stop12h 55m

Deal found 9/10

$800

Wed 9/1612:59 pm -

1 stop12h 01m

Tue 9/222:30 pm -

1 stop13h 40m

Deal found 9/9

$808

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 September 11, 2026.

Wed 2/244:35 pm -

2 stops13h 55m

Tue 3/28:05 pm -

2 stops25h 53m

Deal found 9/8

$770

Tue 10/201:15 pm -

1 stop11h 10m

Tue 11/32:00 pm -

1 stop14h 07m

Deal found 9/10

$777

Mon 10/511:45 am -

1 stop17h 30m

Tue 10/2012:30 pm -

1 stop27h 14m

Deal found 9/7

$778

Wed 10/2112:07 pm -

2 stops12h 18m

Wed 10/282:00 pm -

1 stop11h 40m

Deal found 9/6

$1,011

Tue 2/165:32 pm -

2 stops18h 13m

Tue 2/237:50 am -

2 stops16h 08m

Deal found 9/9

$770

Wed 2/243:55 pm -

1 stop8h 55m

Tue 3/22:00 pm -

1 stop12h 15m

Deal found 9/8

$783

Wed 10/215:10 pm -

2 stops13h 10m

Mon 10/268:05 pm -

2 stops27h 00m

Deal found 9/10

$808

Thu 10/810:30 am -

1 stop18h 45m

Thu 10/1512:30 pm -

1 stop12h 09m

Deal found 9/8

$903

Sat 10/249:00 pm -

1 stop28h 50m

Mon 11/22:00 pm -

1 stop12h 22m

Deal found 9/8

$828

Wed 10/76:30 am -

1 stop18h 30m

Wed 10/142:30 pm -

1 stop13h 29m

Deal found 9/8

$837

Wed 10/216:00 am -

2 stops29h 10m

Wed 10/285:30 pm -

3 stops32h 29m

Deal found 9/6

$957

Sat 10/176:20 am -

1 stop18h 40m

Mon 10/262:00 pm -

1 stop10h 09m

Deal found 9/10

$958

Last-minute flights from Reagan-National to Shannon
Discover last-minute flight deals from Reagan-National to Shannon. Data last updated September 11, 2026 and is based on user searches.

Wed 9/1612:59 pm -

1 stop12h 01m

Tue 9/222:30 pm -

1 stop13h 40m

Deal found 9/9

$808

Thu 9/1710:27 am -

1 stop18h 48m

Sun 9/209:30 am -

1 stop13h 39m

Deal found 9/10

$698

Thu 9/1711:10 am -

1 stop19h 00m

Sun 9/201:05 pm -

2 stops15h 39m

Deal found 9/10

$703

Sun 9/208:20 pm -

1 stop8h 55m

Tue 10/612:30 pm -

1 stop24h 19m

Deal found 9/10

$580

Sun 9/205:18 pm -

2 stops13h 02m

Tue 10/69:15 pm -

2 stops26h 50m

Deal found 9/10

$794

Sun 9/201:33 pm -

2 stops21h 37m

Tue 10/61:45 pm -

1 stop12h 55m

Deal found 9/10

$800

Mon 10/511:45 am -

1 stop17h 30m

Tue 10/2012:30 pm -

1 stop27h 14m

Deal found 9/7

$778

Tue 10/204:55 pm -

2 stops13h 25m

Tue 11/37:50 am -

2 stops16h 33m

Deal found 9/10

$765

Tue 10/204:55 pm -

2 stops13h 25m

Tue 11/32:00 pm -

1 stop14h 07m

Deal found 9/10

$770

Tue 10/201:15 pm -

1 stop11h 10m

Tue 11/32:00 pm -

1 stop14h 07m

Deal found 9/10

$777

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 September 11, 2026.

Sat 10/36:00 pm -

3 stops41h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$311

Wed 10/217:00 am -

3 stops25h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/6

$334

Tue 2/165:32 pm -

3 stops42h 18m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$451

Wed 10/212:59 pm -

1 stop14h 16m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/6

$458

Mon 2/154:59 pm -

2 stops13h 31m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$462

Wed 10/142:59 pm -

1 stop14h 16m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$463

Wed 10/146:59 am -

3 stops24h 01m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$464

Sun 2/144:59 pm -

2 stops13h 31m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$468

Sun 2/1411:31 am -

1 stop13h 19m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$480

Sat 2/138:55 pm -

1 stop27h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$493

Find flight deals from Reagan-National to Shannon

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$580 (United Airlines)
One-way from	$311 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$875

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. 15% potential increase in price ($160 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($53 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

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

Cheapest round-trip

Washington, D.C.Shannon

DCA Washington, D.C. Reagan-National - SNN Shannon

DCASNN

Washington, D.C. Reagan-National

Sat 10/3

6:00 pm-4:35 pm

3 stops41h 35m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$311

Washington, D.C.Shannon

DCA Washington, D.C. Reagan-National - SNN Shannon

DCASNN

Washington, D.C. Reagan-National

Wed 10/21

7:00 am-1:30 pm

3 stops25h 30m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$334

Washington, D.C.Shannon

DCA Washington, D.C. Reagan-National - SNN Shannon

DCASNN

Washington, D.C. Reagan-National

Tue 2/16

5:32 pm-4:50 pm

3 stops42h 18m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$451

Washington, D.C.Shannon

DCA Washington, D.C. Reagan-National - SNN Shannon

DCASNN

Washington, D.C. Reagan-National

Wed 10/21

2:59 pm-10:15 am

1 stop14h 16m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$458

Washington, D.C.Shannon

DCA Washington, D.C. Reagan-National - SNN Shannon

DCASNN

Washington, D.C. Reagan-National

Wed 10/14

2:59 pm-10:15 am

1 stop14h 16m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$463

Washington, D.C.Shannon

DCA Washington, D.C. Reagan-National - SNN Shannon

DCASNN

Washington, D.C. Reagan-National

Wed 10/14

6:59 am-12:00 pm

3 stops24h 01m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$464

Washington, D.C.Shannon

DCA Washington, D.C. Reagan-National - SNN Shannon

DCASNN

Washington, D.C. Reagan-National

Tue 2/16

1:30 pm-11:30 am

2 stops17h 00m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$468

Quickest round-trip

Washington, D.C.Shannon

DCA Washington, D.C. Reagan-National - SNN Shannon

DCASNN

Washington, D.C. Reagan-National

Sun 2/14

11:31 am-5:50 am

1 stop13h 19m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$480

Washington, D.C.Shannon

DCA Washington, D.C. Reagan-National - SNN Shannon

DCASNN

Washington, D.C. Reagan-National

Mon 2/15

5:32 pm-1:40 pm

3 stops39h 08m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$506

Washington, D.C.Shannon

DCA Washington, D.C. Reagan-National - SNN Shannon

DCASNN

Washington, D.C. Reagan-National

Fri 2/12

6:17 pm-3:45 pm

2 stops16h 28m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 22 resultsSorted by cheapest first

Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Shannon, Clare flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C. Reagan-National Airport-Shannon, Clare flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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.

DCA-SNN

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.

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 0 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?
British Airways and United Airlines can get you from Washington, D.C. Reagan-National Airport to Shannon, Clare in just under 13h 55m. Your travel time can differ by up to 3h 35m. 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.
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.

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$311+ Cheap flights from Reagan-National (DCA) to Shannon (SNN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Shannon with Cheapflights

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Cheap 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 September 11, 2026.

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 September 11, 2026.

Best flights from Reagan-National to ShannonDiscover 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 September 11, 2026.

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 September 11, 2026.

Last-minute flights from Reagan-National to ShannonDiscover last-minute flight deals from Reagan-National to Shannon. Data last updated September 11, 2026 and is based on user searches.

Discover last-minute flight deals from Reagan-National to Shannon. Data last updated September 11, 2026 and is based on user searches.

One-way flights from Reagan-National to ShannonSearch for one-way flight options from Reagan-National to Shannon. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.

Search for one-way flight options from Reagan-National to Shannon. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.

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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.

Related info for your journey

What airport do you fly into for flights to Shannon from Washington, D.C. Reagan-National?

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

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Reagan-National to Shannon

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Complete your trip

Complete your trip to Shannon by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Reagan-National to Shannon by cabin class

Find flights from Reagan-National to Shannon, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Reagan-National and Shannon flights

Browse other Reagan-National and Shannon flight options. Last updated on September 11, 2026.

Other flights from Reagan-National

Browse through other flights departing from Reagan-National. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.

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Other flights 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 September 11, 2026.

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 September 11, 2026.

Last-minute flights from Reagan-National to Shannon
Discover last-minute flight deals from Reagan-National to Shannon. Data last updated September 11, 2026 and is based on user searches.

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 September 11, 2026.