What is the cheapest airline that flies from Washington, D.C. to Shannon?

United Airlines, British Airways, and Delta are the most popular carriers operating from Washington, D.C. to Shannon

What airlines fly to Shannon, Clare?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Shannon, Clare from Washington, D.C. according to our data. Delta is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 3 different airlines that fly to Shannon, Clare on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Shannon, Clare?

Flight times from Washington, D.C. to Shannon, Clare vary, but if you’re flying out of Washington, D.C. and flying into Cork (one of the most popular routes), then the duration is 13h 52m on average. Another popular route from Washington, D.C. to Shannon, Clare is flying from Baltimore to Cork, which will take roughly 16h 04m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Washington, D.C. to Shannon Airport?

Prices for flights from Washington, D.C. to Shannon Airport were last updated today.

How many operators does momondo search for flights from Washington, D.C. to Shannon Airport?

The number of operators available for flights from Washington, D.C. to Shannon Airport is 3 as of August 2026.

How old do you have to be to fly from Washington, D.C. to Shannon Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Shannon Airport.

What documentation or ID do you need to fly to Shannon Airport?

The travel and health documents you'll need for your trip to Shannon Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Shannon Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$323 Cheap Flights from Washington, D.C. to Shannon, Clare in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Shannon

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One-way

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Cheap round-trip flights

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8:25 am - 7:30 amBWI Baltimore/Washington-SNN Shannon

18h 05m1 stop Chicago O'Hare Intl

12:30 pm - 10:59 pmSNN Shannon-BWI Baltimore/Washington

15h 29m2 stops Newark Chicago O'Hare Intl

$729United Airlines

Mon, Sep 21 - Tue, Oct 6

8:20 pm - 10:15 amDCA Washington, D.C. Reagan-National-SNN Shannon

8h 55m1 stop Newark

12:30 pm - 9:59 pmSNN Shannon-DCA Washington, D.C. Reagan-National

14h 29m1 stop Newark

$729United Airlines

Mon, Sep 21 - Tue, Oct 6

3:15 pm - 7:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

11h 15m1 stop Chicago O'Hare Intl

12:30 pm - 9:27 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

13h 57m1 stop Newark

$729United Airlines

Mon, Sep 21 - Tue, Oct 6

8:30 pm - 9:35 pmBWI Baltimore/Washington-SNN Shannon

20h 05m2 stops Reykjavik Keflavik Intl London Gatwick

1:00 pm - 7:25 pmSNN Shannon-BWI Baltimore/Washington

35h 25m2 stops London Gatwick Reykjavik Keflavik Intl

$752Multiple Airlines

Mon, Sep 21 - Tue, Oct 6

8:30 pm - 8:35 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

19h 05m2 stops Reykjavik Keflavik Intl London Heathrow

2:05 pm - 8:35 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

35h 30m2 stops Madrid Barajas Lisbon Humberto Delgado

$795Multiple Airlines

Sun, Sep 6 - Wed, Sep 16

8:30 pm - 8:35 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

19h 05m2 stops Reykjavik Keflavik Intl London Heathrow

4:50 pm - 10:15 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

34h 25m2 stops London Heathrow Reykjavik Keflavik Intl

$809Multiple Airlines

Mon, Sep 21 - Tue, Oct 6

7:15 pm - 11:10 amIAD Washington, D.C. Dulles Intl-SNN Shannon

10h 55m1 stop New York John F Kennedy Intl

1:05 pm - 11:45 amSNN Shannon-IAD Washington, D.C. Dulles Intl

27h 40m1 stop New York John F Kennedy Intl

$883Delta

Mon, Sep 7 - Sun, Sep 13

7:19 pm - 11:10 amIAD Washington, D.C. Dulles Intl-SNN Shannon

10h 51m1 stop New York John F Kennedy Intl

1:05 pm - 12:41 amSNN Shannon-IAD Washington, D.C. Dulles Intl

16h 36m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$910Delta

Sun, Aug 30 - Wed, Sep 9

3:03 pm - 11:10 amIAD Washington, D.C. Dulles Intl-SNN Shannon

15h 07m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

1:05 pm - 12:41 amSNN Shannon-IAD Washington, D.C. Dulles Intl

16h 36m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$910Delta

Mon, Aug 31 - Fri, Sep 11

7:15 pm - 11:20 amIAD Washington, D.C. Dulles Intl-SNN Shannon

11h 05m1 stop London Heathrow

1:45 pm - 11:58 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

15h 13m2 stops Boston Logan Intl Charlotte Douglas

$1,344American Airlines

Fri, Oct 16 - Sat, Oct 24

Cheap last minute flights

Enter your travel dates to find the best prices.

12:29 pm - 11:10 amIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 41m1 stop New York John F Kennedy Intl

1:05 pm - 4:42 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

32h 37m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$818KLM

Mon, Aug 17 - Tue, Sep 1

7:26 pm - 11:10 amIAD Washington, D.C. Dulles Intl-SNN Shannon

34h 44m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

1:05 pm - 12:34 amSNN Shannon-IAD Washington, D.C. Dulles Intl

40h 29m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$818KLM

Mon, Aug 17 - Tue, Sep 1

6:05 am - 10:15 amBWI Baltimore/Washington-SNN Shannon

23h 10m2 stops Chicago O'Hare Intl Newark

9:30 am - 6:42 pmSNN Shannon-BWI Baltimore/Washington

14h 12m1 stop Chicago O'Hare Intl

$818United Airlines

Mon, Aug 17 - Tue, Sep 1

1:00 pm - 7:30 amBWI Baltimore/Washington-SNN Shannon

13h 30m1 stop Chicago O'Hare Intl

9:30 am - 9:29 pmSNN Shannon-BWI Baltimore/Washington

16h 59m1 stop Chicago O'Hare Intl

$818United Airlines

Mon, Aug 17 - Tue, Sep 1

10:25 am - 11:10 amBWI Baltimore/Washington-SNN Shannon

19h 45m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

1:05 pm - 7:50 pmSNN Shannon-BWI Baltimore/Washington

35h 45m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$818KLM

Mon, Aug 17 - Tue, Sep 1

7:19 pm - 11:10 amIAD Washington, D.C. Dulles Intl-SNN Shannon

10h 51m1 stop New York John F Kennedy Intl

1:05 pm - 11:49 amSNN Shannon-IAD Washington, D.C. Dulles Intl

27h 44m1 stop New York John F Kennedy Intl

$830Delta

Mon, Aug 17 - Tue, Sep 1

8:20 pm - 10:15 amDCA Washington, D.C. Reagan-National-SNN Shannon

8h 55m1 stop Newark

9:30 am - 8:09 pmSNN Shannon-DCA Washington, D.C. Reagan-National

15h 39m1 stop Chicago O'Hare Intl

$875United Airlines

Tue, Aug 18 - Sat, Aug 29

8:00 am - 11:10 amDCA Washington, D.C. Reagan-National-SNN Shannon

22h 10m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

1:05 pm - 10:59 pmSNN Shannon-DCA Washington, D.C. Reagan-National

14h 54m1 stop New York John F Kennedy Intl

$879Delta

Tue, Aug 18 - Sat, Aug 29

10:25 pm - 4:10 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

12h 45m1 stop London Heathrow

9:15 pm - 3:55 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

23h 40m1 stop London Heathrow

$1,493American Airlines

Mon, Aug 17 - Mon, Aug 24

10:27 am - 6:00 amIAD Washington, D.C. Dulles Intl-SNN Shannon

14h 33m2 stops Charlotte Douglas New York LaGuardia

9:15 pm - 3:55 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

23h 40m1 stop London Heathrow

$1,507American Airlines

Mon, Aug 17 - Mon, Aug 24

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KLM flights from Washington, D.C. to Shannon, Clare

Our best KLM deals on Washington, D.C. to Shannon, Clare flight tickets

KLM

Aug 17

IAD12:29 pmWashington, D.C. Dulles Intl

17h 41m

1 stop

SNN11:10 amShannon

Sep 1

SNN1:05 pmShannon

32h 37m

2 stops

IAD4:42 pmWashington, D.C. Dulles Intl

$818

KLM

Sep 8

IAD6:26 pmWashington, D.C. Dulles Intl

11h 44m

1 stop

SNN11:10 amShannon

Sep 18

SNN1:05 pmShannon

16h 36m

2 stops

IAD12:41 amWashington, D.C. Dulles Intl

$829

KLM

Sep 9

BWI2:03 pmBaltimore/Washington

16h 07m

2 stops

SNN11:10 amShannon

Sep 16

SNN1:05 pmShannon

33h 21m

2 stops

BWI5:26 pmBaltimore/Washington

$836

British Airways flights from Washington, D.C. to Shannon, Clare

Our best British Airways deals on Washington, D.C. to Shannon, Clare flight tickets

British Airways

Nov 23

BWI6:55 pmBaltimore/Washington

11h 35m

1 stop

SNN11:30 amShannon

Dec 4

SNN7:50 amShannon

14h 15m

1 stop

BWI5:05 pmBaltimore/Washington

$905

British Airways

Nov 23

BWI6:55 pmBaltimore/Washington

11h 35m

1 stop

SNN11:30 amShannon

Dec 3

SNN7:50 amShannon

14h 15m

1 stop

BWI5:05 pmBaltimore/Washington

$913

British Airways

Sep 28

IAD6:15 pmWashington, D.C. Dulles Intl

16h 55m

2 stops

SNN4:10 pmShannon

Oct 5

SNN9:15 pmShannon

23h 30m

2 stops

IAD3:45 pmWashington, D.C. Dulles Intl

$938

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreShannon

BWI Baltimore/Washington - SNN Shannon

BWISNN

Baltimore/Washington

Mon 9/21

8:25 am-7:30 am

1 stop18h 05m

Shannon

Tue 10/6

12:30 pm-10:59 pm

2 stops15h 29m

$729

Quickest round-trip

Washington, D.C.Shannon

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

DCASNN

Washington, D.C. Reagan-National

Mon 9/21

8:20 pm-10:15 am

1 stop8h 55m

Shannon

Tue 10/6

12:30 pm-9:59 pm

1 stop14h 29m

$729

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Mon 9/21

3:15 pm-7:30 am

1 stop11h 15m

Shannon

Tue 10/6

12:30 pm-9:27 pm

1 stop13h 57m

$729

BaltimoreShannon

BWI Baltimore/Washington - SNN Shannon

BWISNN

Baltimore/Washington

Mon 9/21

8:30 pm-9:35 pm

2 stops20h 05m

Shannon

Tue 10/6

1:00 pm-7:25 pm

2 stops35h 25m

$752

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Sun 9/6

8:30 pm-8:35 pm

2 stops19h 05m

Shannon

Wed 9/16

2:05 pm-8:35 pm

2 stops35h 30m

$795

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Mon 9/21

8:30 pm-8:35 pm

2 stops19h 05m

Shannon

Tue 10/6

4:50 pm-10:15 pm

2 stops34h 25m

$809

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Mon 9/7

7:15 pm-11:10 am

1 stop10h 55m

Shannon

Sun 9/13

1:05 pm-11:45 am

1 stop27h 40m

$883

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Sun 8/30

7:19 pm-11:10 am

1 stop10h 51m

Shannon

Wed 9/9

1:05 pm-12:41 am

2 stops16h 36m

$910

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Mon 8/31

3:03 pm-11:10 am

2 stops15h 07m

Shannon

Fri 9/11

1:05 pm-12:41 am

2 stops16h 36m

$910

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Fri 10/16

7:15 pm-11:20 am

1 stop11h 05m

Shannon

Sat 10/24

1:45 pm-11:58 pm

2 stops15h 13m

$1,344

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Shannon, Clare

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Shannon, Clare?

Prices are currently typical for flights on this route.

Typical prices usually range from $588 to $808.
The lowest price recently found on this route was $729.

What is the cheapest month to fly to Shannon, Clare?

In general, December is the cheapest month to fly from Washington, D.C. to Shannon, Clare. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Shannon, Clare during the month of December, then departing from Washington, D.C. during the month February is also very affordable. Most momondo users find prices during this month for around $0.

When to book flights from Washington, D.C. to Shannon, Clare

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Shannon, Clare according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Shannon, Clare (WAS to SNN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Shannon, Clare

Fastest flight time	8h 55m
Direct flights	None

The fastest flight from Washington, D.C. to Shannon, Clare takes 8h 55m

There are no direct flights from Washington, D.C. to Shannon, Clare. There are no popular flight routes from Washington, D.C. to Shannon, Clare.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Shannon, Clare

How far is Washington, D.C. to Shannon by plane?
The distance between Washington, D.C. and Shannon is about 3283.1 mi. By plane, this route typically takes 8h 55m.
When did momondo last update prices for flights from Washington, D.C. to Shannon Airport?
Prices for flights from Washington, D.C. to Shannon Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Shannon Airport?
The number of operators available for flights from Washington, D.C. to Shannon Airport is 3 as of August 2026.
How old do you have to be to fly from Washington, D.C. to Shannon Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Shannon Airport.
What documentation or ID do you need to fly to Shannon Airport?
The travel and health documents you'll need for your trip to Shannon Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Shannon Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Shannon, Clare?
Based on momondo bookings for flights between Washington, D.C. and Shannon, Clare, the leading airline is United Airlines, making up 59% of the total bookings. Other popular airlines include American Airlines with 41%.

Best airlines flying from Washington, D.C. to Shannon, Clare

Compare and see reviews for airlines that fly from Washington, D.C. to Shannon, Clare with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $157	Free Cancellation	Rating 7.8 8,508 reviews	Search Delta flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.1 11,941 reviews	Search American Airlines flights
United Airlines	PriceFrom $735	Free Cancellation	Rating 7.4 10,111 reviews	Search United Airlines flights

Limerick

Ennis

Adare

Bunratty

Lahinch

Tipperary

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Why should I use momondo to find a flight deal from Washington, D.C. to Shannon?

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Can I find flights from Washington, D.C. to Shannon with flexible booking policies on momondo?

Yes. All flights to Shannon from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Shannon?

Once all potential Washington, D.C. to Shannon flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Shannon right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Shannon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Shannon and let you know when they change.

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Cheap flights from Washington, D.C. to Shannon from $323

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Shannon departing on 9/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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KLM flights from Washington, D.C. to Shannon, Clare

Our best KLM deals on Washington, D.C. to Shannon, Clare flight tickets

British Airways flights from Washington, D.C. to Shannon, Clare

Our best British Airways deals on Washington, D.C. to Shannon, Clare flight tickets

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How to get the cheapest flight ticket from Washington, D.C. to Shannon, Clare

What is the typical price of a round-trip flight between Washington, D.C. and Shannon, Clare?

What is the cheapest month to fly to Shannon, Clare?

What is the cheapest airline that flies from Washington, D.C. to Shannon?

What airlines fly to Shannon, Clare?

How long does it take to fly to Shannon, Clare?

When to book flights from Washington, D.C. to Shannon, Clare

Cheap Washington, D.C. to Shannon, Clare (WAS to SNN) flight deals and tips

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Direct flights

Frequently asked questions about flying from Washington, D.C. to Shannon, Clare

Best airlines flying from Washington, D.C. to Shannon, Clare

Compare and see reviews for airlines that fly from Washington, D.C. to Shannon, Clare with momondo

Traveling to a place near Shannon?

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An easier way to manage your Shannon, Clare trip

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List of cabin classes available on flights landing in Shannon. Availability may vary depending on flight origin and airline.

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