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

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

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 12h 26m on average. Another popular route from Washington, D.C. to Shannon, Clare is flying from Baltimore to Cork, which will take roughly 15h 21m. Keep in mind that layovers or delays could extend your travel time.

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.

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 September 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.

$285 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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8:30 pm - 8:20 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

18h 50m2 stops Reykjavik Keflavik Intl London Gatwick

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

34h 25m2 stops London Heathrow Reykjavik Keflavik Intl

$747Multiple Airlines

Tue, Oct 13 - Tue, Oct 20

8:30 pm - 3:40 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

14h 10m2 stops Reykjavik Keflavik Intl Manchester

11:50 am - 3:45 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

32h 55m3 stops Malaga Casablanca Mohamed V Riyadh King Khaled Intl

$770Multiple Airlines

Mon, Sep 28 - Tue, Oct 13

5:55 pm - 10:15 amDCA Washington, D.C. Reagan-National-SNN Shannon

11h 20m1 stop Newark

12:30 pm - 11:59 amSNN Shannon-DCA Washington, D.C. Reagan-National

28h 29m1 stop Newark

$773United Airlines

Mon, Sep 28 - Tue, Oct 13

8:33 am - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

20h 42m1 stop Newark

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

13h 57m1 stop Newark

$773United Airlines

Mon, Sep 28 - Tue, Oct 13

8:33 am - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

20h 42m1 stop Newark

12:30 pm - 4:23 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

32h 53m1 stop Newark

$777United Airlines

Sun, Sep 27 - Tue, Oct 13

8:30 pm - 8:20 pmBWI Baltimore/Washington-SNN Shannon

18h 50m2 stops Reykjavik Keflavik Intl London Gatwick

7:30 am - 10:15 pmSNN Shannon-BWI Baltimore/Washington

19h 45m2 stops London Heathrow Reykjavik Keflavik Intl

$809Multiple Airlines

Tue, Oct 13 - Tue, Oct 20

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

19h 05m2 stops Reykjavik Keflavik Intl London Heathrow

4:50 pm - 10:15 pmSNN Shannon-BWI Baltimore/Washington

34h 25m2 stops London Heathrow Reykjavik Keflavik Intl

$839Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

9:11 am - 5:50 amIAD Washington, D.C. Dulles Intl-SNN Shannon

15h 39m2 stops Charlotte Douglas Boston Logan Intl

7:50 am - 7:55 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

17h 05m1 stop London Heathrow

$1,343American Airlines

Sat, Dec 19 - Sat, Dec 26

6:00 am - 6:20 amIAD Washington, D.C. Dulles Intl-SNN Shannon

19h 20m2 stops Charlotte Douglas Boston Logan Intl

7:50 am - 3:40 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

12h 50m1 stop London Heathrow

$1,343American Airlines

Sat, Dec 19 - Sat, Dec 26

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

$1,425American Airlines

Mon, Sep 28 - Mon, Oct 5

Cheap last minute flights

Enter your travel dates to find the best prices.

3:40 pm - 7:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

10h 50m1 stop Chicago O'Hare Intl

12:30 pm - 10:59 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

15h 29m1 stop Newark

$1,025United Airlines

Fri, Sep 4 - Sat, Sep 12

10:41 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

30h 34m1 stop Newark

12:30 pm - 9:28 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

13h 58m1 stop Newark

$1,031United Airlines

Fri, Sep 4 - Sat, Sep 12

10:27 pm - 7:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

28h 03m1 stop Chicago O'Hare Intl

9:30 am - 4:01 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

11h 31m1 stop Chicago O'Hare Intl

$1,032United Airlines

Fri, Sep 4 - Sat, Sep 12

5:00 pm - 11:25 amIAD Washington, D.C. Dulles Intl-SNN Shannon

13h 25m1 stop Madrid Barajas

7:30 am - 10:45 amSNN Shannon-IAD Washington, D.C. Dulles Intl

56h 15m2 stops London Stansted Toronto Pearson Intl

$1,072Multiple Airlines

Sat, Sep 5 - Sun, Sep 20

4:00 pm - 11:10 amDCA Washington, D.C. Reagan-National-SNN Shannon

14h 10m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

1:05 pm - 11:44 pmSNN Shannon-DCA Washington, D.C. Reagan-National

15h 39m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$1,106Delta

Sat, Sep 5 - Sun, Sep 20

5:36 pm - 11:10 amBWI Baltimore/Washington-SNN Shannon

12h 34m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

1:05 pm - 11:24 pmSNN Shannon-BWI Baltimore/Washington

15h 19m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$1,106Delta

Sat, Sep 5 - Sun, Sep 20

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

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

$1,106KLM

Sat, Sep 5 - Sun, Sep 20

12:30 pm - 11:10 amIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 40m2 stops Detroit Metropolitan Wayne County New York LaGuardia

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

$1,106Multiple Airlines

Sat, Sep 5 - Sun, Sep 20

6:00 am - 3:50 pmDCA Washington, D.C. Reagan-National-SNN Shannon

28h 50m2 stops New York John F Kennedy Intl London Heathrow

9:15 pm - 9:13 pmSNN Shannon-DCA Washington, D.C. Reagan-National

28h 58m2 stops London Heathrow Philadelphia

$1,201American Airlines

Fri, Sep 4 - Mon, Sep 7

6:00 am - 6:00 amDCA Washington, D.C. Reagan-National-SNN Shannon

19h 00m1 stop New York John F Kennedy Intl

9:15 pm - 5:21 pmSNN Shannon-DCA Washington, D.C. Reagan-National

25h 06m2 stops London Heathrow Boston Logan Intl

$1,307American Airlines

Fri, Sep 4 - Mon, Sep 7

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Air Canada flights from Washington, D.C. to Shannon, Clare

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

Air Canada

Oct 18

IAD5:20 pmWashington, D.C. Dulles Intl

41h 50m

2 stops

SNN4:10 pmShannon

Nov 2

SNN8:05 pmShannon

29h 18m

2 stops

IAD8:23 pmWashington, D.C. Dulles Intl

$894

Air Canada

Nov 15

DCA6:55 pmWashington, D.C. Reagan-National

16h 50m

2 stops

SNN4:45 pmShannon

Nov 27

SNN7:50 amShannon

19h 09m

2 stops

DCA9:59 pmWashington, D.C. Reagan-National

$943

Air Canada

Nov 11

DCA6:55 pmWashington, D.C. Reagan-National

16h 50m

2 stops

SNN4:45 pmShannon

Nov 24

SNN8:05 pmShannon

27h 13m

2 stops

DCA6:18 pmWashington, D.C. Reagan-National

$948

American Airlines flights from Washington, D.C. to Shannon, Clare

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

American Airlines

Nov 10

BWI6:55 pmBaltimore/Washington

11h 35m

1 stop

SNN11:30 amShannon

Nov 20

SNN7:50 amShannon

14h 15m

1 stop

BWI5:05 pmBaltimore/Washington

$997

American Airlines

Nov 10

BWI6:55 pmBaltimore/Washington

16h 50m

1 stop

SNN4:45 pmShannon

Nov 27

SNN2:00 pmShannon

14h 55m

2 stops

BWI11:55 pmBaltimore/Washington

$1,004

American Airlines

Sep 28

BWI9:30 pmBaltimore/Washington

13h 40m

1 stop

SNN4:10 pmShannon

Oct 13

SNN9:15 pmShannon

27h 25m

1 stop

BWI7:40 pmBaltimore/Washington

$1,026

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

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Tue 10/13

8:30 pm-8:20 pm

2 stops18h 50m

Shannon

Tue 10/20

4:50 pm-10:15 pm

2 stops34h 25m

$747

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Mon 9/28

8:30 pm-3:40 pm

2 stops14h 10m

Shannon

Tue 10/13

11:50 am-3:45 pm

3 stops32h 55m

$770

Washington, D.C.Shannon

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

DCASNN

Washington, D.C. Reagan-National

Mon 9/28

5:55 pm-10:15 am

1 stop11h 20m

Shannon

Tue 10/13

12:30 pm-11:59 am

1 stop28h 29m

$773

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Mon 9/28

8:33 am-10:15 am

1 stop20h 42m

Shannon

Tue 10/13

12:30 pm-9:27 pm

1 stop13h 57m

$773

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sun 9/27

8:33 am-10:15 am

1 stop20h 42m

Shannon

Tue 10/13

12:30 pm-4:23 pm

1 stop32h 53m

$777

BaltimoreShannon

BWI Baltimore/Washington - SNN Shannon

BWISNN

Baltimore/Washington

Tue 10/13

8:30 pm-8:20 pm

2 stops18h 50m

Shannon

Tue 10/20

7:30 am-10:15 pm

2 stops19h 45m

$809

BaltimoreShannon

BWI Baltimore/Washington - SNN Shannon

BWISNN

Baltimore/Washington

Mon 10/12

8:30 pm-8:35 pm

2 stops19h 05m

Shannon

Mon 10/19

4:50 pm-10:15 pm

2 stops34h 25m

$839

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sat 12/19

9:11 am-5:50 am

2 stops15h 39m

Shannon

Sat 12/26

7:50 am-7:55 pm

1 stop17h 05m

$1,343

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sat 12/19

6:00 am-6:20 am

2 stops19h 20m

Shannon

Sat 12/26

7:50 am-3:40 pm

1 stop12h 50m

$1,343

Quickest round-trip

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Mon 9/28

7:15 pm-11:20 am

1 stop11h 05m

Shannon

Mon 10/5

1:45 pm-11:58 pm

2 stops15h 13m

$1,425

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 $707 to $1,103.
The lowest price recently found on this route was $747.

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

Best Price Found	$285
Fastest flight time	11h 05m
Direct flights	None

The best one-way flight to Shannon, Clare from Washington, D.C. in the past 72 hours is $285. The best round-trip flight deal from Washington, D.C. to Shannon, Clare found on momondo in the last 72 hours is $747.

The fastest flight from Washington, D.C. to Shannon, Clare takes 11h 05m

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 11h 05m.
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 September 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 46% of the total bookings. Other popular airlines include American Airlines with 28% and Delta with 26%.

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 8,538 reviews	Search Delta flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.1 12,023 reviews	Search American Airlines flights
United Airlines	PriceFrom $753	Free Cancellation	Rating 7.4 10,157 reviews	Search United Airlines flights

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Bunratty

Lahinch

Tipperary

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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 $285

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 12/2. 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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Air Canada flights from Washington, D.C. to Shannon, Clare

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

American Airlines flights from Washington, D.C. to Shannon, Clare

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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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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

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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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