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

United Airlines and British Airways 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 11h 44m on average. Another popular route from Washington, D.C. to Shannon, Clare is flying from Baltimore to Cork, which will take roughly 15h 20m. 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.

$251 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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:50 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

11h 25m1 stop Newark

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

15h 29m1 stop Newark

$786United Airlines

Sun, Oct 4 - Tue, Oct 20

4:30 pm - 10:15 amDCA Washington, D.C. Reagan-National-SNN Shannon

12h 45m1 stop Newark

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

14h 29m1 stop Newark

$836United Airlines

Thu, Oct 15 - Thu, Oct 22

9:09 am - 10:15 amBWI Baltimore/Washington-SNN Shannon

20h 06m2 stops Chicago O'Hare Intl Newark

12:30 pm - 10:30 amSNN Shannon-BWI Baltimore/Washington

27h 00m2 stops Newark Chicago O'Hare Intl

$841United Airlines

Thu, Oct 15 - Thu, Oct 22

6:45 am - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

22h 30m1 stop Newark

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

15h 29m1 stop Newark

$842United Airlines

Thu, Oct 15 - Thu, Oct 22

3:25 pm - 5:50 amDCA Washington, D.C. Reagan-National-SNN Shannon

9h 25m1 stop Boston Logan Intl

2:00 pm - 9:20 pmSNN Shannon-DCA Washington, D.C. Reagan-National

12h 20m1 stop Boston Logan Intl

$849Multiple Airlines

Tue, Feb 9 - Tue, Feb 16

7:40 pm - 6:05 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 25m2 stops Reykjavik Keflavik Intl London Gatwick

5:30 pm - 6:30 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

30h 00m2 stops London Heathrow Reykjavik Keflavik Intl

$871Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

7:40 pm - 6:05 pmBWI Baltimore/Washington-SNN Shannon

17h 25m2 stops Reykjavik Keflavik Intl London Gatwick

5:30 pm - 6:40 pmSNN Shannon-BWI Baltimore/Washington

30h 10m2 stops London Heathrow Reykjavik Keflavik Intl

$873Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

5:45 pm - 11:20 amIAD Washington, D.C. Dulles Intl-SNN Shannon

12h 35m1 stop London Heathrow

7:50 am - 8:55 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

17h 05m1 stop London Heathrow

$991American Airlines

Tue, Oct 20 - Tue, Oct 27

7:15 pm - 3:50 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

15h 35m1 stop London Heathrow

2:00 pm - 11:54 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

14h 54m2 stops Boston Logan Intl Charlotte Douglas

$1,020American Airlines

Fri, Oct 23 - Sun, Nov 8

10:25 pm - 3:50 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

12h 25m1 stop London Heathrow

2:00 pm - 11:54 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

14h 54m2 stops Boston Logan Intl Charlotte Douglas

$1,105American Airlines

Fri, Oct 23 - Sun, Nov 8

Cheap last minute flights

Enter your travel dates to find the best prices.

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

23h 10m2 stops Chicago O'Hare Intl Newark

9:30 am - 9:43 pmSNN Shannon-BWI Baltimore/Washington

17h 13m1 stop Chicago O'Hare Intl

$970United Airlines

Fri, Sep 11 - Tue, Sep 15

12:10 pm - 7:30 amBWI Baltimore/Washington-SNN Shannon

14h 20m1 stop Chicago O'Hare Intl

9:30 am - 1:58 pmSNN Shannon-BWI Baltimore/Washington

33h 28m1 stop Chicago O'Hare Intl

$970United Airlines

Fri, Sep 11 - Tue, Sep 15

12:10 pm - 10:15 amBWI Baltimore/Washington-SNN Shannon

17h 05m2 stops Chicago O'Hare Intl Newark

12:30 pm - 10:30 amSNN Shannon-BWI Baltimore/Washington

27h 00m2 stops Newark Chicago O'Hare Intl

$970United Airlines

Fri, Sep 11 - Tue, Sep 15

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

19h 55m2 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

$973KLM

Fri, Sep 11 - Tue, Sep 15

12:25 pm - 11:10 amIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 45m1 stop New York John F Kennedy Intl

1:05 pm - 5:11 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

33h 06m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$973Multiple Airlines

Fri, Sep 11 - Tue, Sep 15

12:25 pm - 11:10 amIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 45m1 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

$988Delta

Fri, Sep 11 - Tue, Sep 15

5:15 pm - 4:05 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 50m2 stops Dublin London Heathrow

9:15 pm - 7:35 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

27h 20m2 stops London Heathrow Dublin

$1,002Aer Lingus

Sat, Sep 12 - Mon, Sep 21

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

30h 34m1 stop Newark

9:30 am - 9:20 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

16h 50m1 stop Chicago O'Hare Intl

$1,057United Airlines

Sat, Sep 12 - Mon, Sep 21

5:00 pm - 11:10 amDCA Washington, D.C. Reagan-National-SNN Shannon

13h 10m1 stop 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

$1,132Delta

Mon, Sep 7 - Thu, Sep 10

12:27 pm - 11:10 amDCA Washington, D.C. Reagan-National-SNN Shannon

17h 43m2 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

$1,197Delta

Mon, Sep 7 - Thu, Sep 10

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Aer Lingus flights from Washington, D.C. to Shannon, Clare

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

Aer Lingus

Oct 4

IAD8:55 pmWashington, D.C. Dulles Intl

14h 15m

2 stops

SNN4:10 pmShannon

Oct 20

SNN7:30 amShannon

17h 05m

2 stops

IAD7:35 pmWashington, D.C. Dulles Intl

$923

Aer Lingus

Sep 23

IAD8:55 pmWashington, D.C. Dulles Intl

14h 15m

2 stops

SNN4:10 pmShannon

Sep 28

SNN9:15 pmShannon

27h 20m

2 stops

IAD7:35 pmWashington, D.C. Dulles Intl

$937

Aer Lingus

Oct 4

IAD8:55 pmWashington, D.C. Dulles Intl

14h 15m

2 stops

SNN4:10 pmShannon

Oct 20

SNN7:30 amShannon

17h 05m

2 stops

IAD7:35 pmWashington, D.C. Dulles Intl

$957

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

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

United Airlines

Oct 4

IAD5:50 pmWashington, D.C. Dulles Intl

11h 25m

1 stop

SNN10:15 amShannon

Oct 20

SNN12:30 pmShannon

15h 29m

1 stop

IAD10:59 pmWashington, D.C. Dulles Intl

$786

United Airlines

Oct 15

DCA4:30 pmWashington, D.C. Reagan-National

12h 45m

1 stop

SNN10:15 amShannon

Oct 22

SNN12:30 pmShannon

14h 29m

1 stop

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

$836

United Airlines

Oct 15

BWI9:09 amBaltimore/Washington

20h 06m

2 stops

SNN10:15 amShannon

Oct 22

SNN12:30 pmShannon

27h 00m

2 stops

BWI10:30 amBaltimore/Washington

$841

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

Sun 10/4

5:50 pm-10:15 am

1 stop11h 25m

Shannon

Tue 10/20

12:30 pm-10:59 pm

1 stop15h 29m

$786

Washington, D.C.Shannon

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

DCASNN

Washington, D.C. Reagan-National

Thu 10/15

4:30 pm-10:15 am

1 stop12h 45m

Shannon

Thu 10/22

12:30 pm-9:59 pm

1 stop14h 29m

$836

BaltimoreShannon

BWI Baltimore/Washington - SNN Shannon

BWISNN

Baltimore/Washington

Thu 10/15

9:09 am-10:15 am

2 stops20h 06m

Shannon

Thu 10/22

12:30 pm-10:30 am

2 stops27h 00m

$841

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Thu 10/15

6:45 am-10:15 am

1 stop22h 30m

Shannon

Thu 10/22

12:30 pm-10:59 pm

1 stop15h 29m

$842

Quickest round-trip

Washington, D.C.Shannon

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

DCASNN

Washington, D.C. Reagan-National

Tue 2/9

3:25 pm-5:50 am

1 stop9h 25m

Shannon

Tue 2/16

2:00 pm-9:20 pm

1 stop12h 20m

$849

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Thu 11/5

7:40 pm-6:05 pm

2 stops17h 25m

Shannon

Mon 11/9

5:30 pm-6:30 pm

2 stops30h 00m

$871

BaltimoreShannon

BWI Baltimore/Washington - SNN Shannon

BWISNN

Baltimore/Washington

Thu 11/5

7:40 pm-6:05 pm

2 stops17h 25m

Shannon

Mon 11/9

5:30 pm-6:40 pm

2 stops30h 10m

$873

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Tue 10/20

5:45 pm-11:20 am

1 stop12h 35m

Shannon

Tue 10/27

7:50 am-8:55 pm

1 stop17h 05m

$991

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Fri 10/23

7:15 pm-3:50 pm

1 stop15h 35m

Shannon

Sun 11/8

2:00 pm-11:54 pm

2 stops14h 54m

$1,020

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Fri 10/23

10:25 pm-3:50 pm

1 stop12h 25m

Shannon

Sun 11/8

2:00 pm-11:54 pm

2 stops14h 54m

$1,105

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 $786.

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	$251
Fastest flight time	11h 35m
Direct flights	None

The best one-way flight to Shannon, Clare from Washington, D.C. in the past 72 hours is $251. The best round-trip flight deal from Washington, D.C. to Shannon, Clare found on momondo in the last 72 hours is $786.

The fastest flight from Washington, D.C. to Shannon, Clare takes 11h 35m

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 35m.
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 8,549 reviews	Search Delta flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.1 12,042 reviews	Search American Airlines flights
United Airlines	PriceFrom $753	Free Cancellation	Rating 7.4 10,173 reviews	Search United Airlines flights

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Adare

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 $251

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 10/5. 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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Aer Lingus flights from Washington, D.C. to Shannon, Clare

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

United 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

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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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