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

United Airlines is the most popular carrier 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 36m on average. Another popular route from Washington, D.C. to Shannon, Clare is flying from Baltimore to Cork, which will take roughly 15h 16m. 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.

$261 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.

10:25 am - 7:30 amBWI Baltimore/Washington-SNN Shannon

16h 05m1 stop Chicago O'Hare Intl

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

15h 29m2 stops Newark Chicago O'Hare Intl

$580United Airlines

Sun, Sep 20 - Tue, Oct 6

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

$704United Airlines

Fri, Oct 16 - Sat, Oct 24

10:40 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

30h 35m1 stop Newark

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

15h 29m1 stop Newark

$704United Airlines

Fri, Oct 9 - Sat, Oct 24

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

12h 45m1 stop London Heathrow

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

12h 50m1 stop London Heathrow

$752British Airways

Tue, Oct 20 - Tue, Nov 3

6:05 pm - 11:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

12h 25m1 stop London Heathrow

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

12h 50m1 stop London Heathrow

$752Multiple Airlines

Wed, Feb 24 - Tue, Mar 2

5:45 pm - 8:35 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

21h 50m1 stop London Heathrow

5:30 pm - 7:20 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

30h 50m2 stops London Heathrow Dublin

$755British Airways

Tue, Oct 20 - Tue, Nov 3

4:55 pm - 11:20 amDCA Washington, D.C. Reagan-National-SNN Shannon

13h 25m2 stops Boston Logan Intl London Heathrow

2:00 pm - 11:07 pmSNN Shannon-DCA Washington, D.C. Reagan-National

14h 07m1 stop Boston Logan Intl

$770American Airlines

Tue, Oct 20 - Tue, Nov 3

5:32 pm - 11:30 amDCA Washington, D.C. Reagan-National-SNN Shannon

12h 58m2 stops New York John F Kennedy Intl London Heathrow

2:00 pm - 10:27 pmSNN Shannon-DCA Washington, D.C. Reagan-National

13h 27m1 stop Boston Logan Intl

$775American Airlines

Mon, Mar 1 - Wed, Mar 10

4:59 pm - 11:30 amDCA Washington, D.C. Reagan-National-SNN Shannon

13h 31m2 stops Boston Logan Intl London Heathrow

2:00 pm - 10:30 pmSNN Shannon-DCA Washington, D.C. Reagan-National

13h 30m1 stop Boston Logan Intl

$775American Airlines

Tue, Feb 16 - Tue, Feb 23

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

$778United Airlines

Mon, Oct 5 - Tue, Oct 20

Cheap last minute flights

Enter your travel dates to find the best prices.

10:27 am - 10:15 amDCA Washington, D.C. Reagan-National-SNN Shannon

18h 48m1 stop Newark

9:30 am - 6:09 pmSNN Shannon-DCA Washington, D.C. Reagan-National

13h 39m1 stop Chicago O'Hare Intl

$698United Airlines

Thu, Sep 17 - Sun, Sep 20

8:20 am - 7:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

18h 10m1 stop Chicago O'Hare Intl

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

13h 58m1 stop Newark

$698United Airlines

Thu, Sep 17 - Sun, Sep 20

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

19h 00m1 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

$703Delta

Thu, Sep 17 - Sun, Sep 20

5:05 pm - 11:10 amDCA Washington, D.C. Reagan-National-SNN Shannon

13h 05m1 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

$703KLM

Thu, Sep 17 - Sun, Sep 20

6:26 pm - 11:10 amIAD Washington, D.C. Dulles Intl-SNN Shannon

11h 44m1 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

$703KLM

Thu, Sep 17 - Sun, Sep 20

8:20 am - 7:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

18h 10m1 stop Chicago O'Hare Intl

9:30 am - 9:23 amSNN Shannon-IAD Washington, D.C. Dulles Intl

28h 53m1 stop Chicago O'Hare Intl

$705United Airlines

Thu, Sep 17 - Sun, Sep 20

8:55 pm - 4:10 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

14h 15m2 stops Dublin London Heathrow

9:15 pm - 7:25 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

27h 10m2 stops London Heathrow Dublin

$786Aer Lingus

Wed, Sep 16 - Tue, Sep 22

12:59 pm - 6:00 amDCA Washington, D.C. Reagan-National-SNN Shannon

12h 01m1 stop New York John F Kennedy Intl

2:30 pm - 11:10 pmSNN Shannon-DCA Washington, D.C. Reagan-National

13h 40m1 stop New York John F Kennedy Intl

$808American Airlines

Wed, Sep 16 - Tue, Sep 22

12:32 pm - 11:10 amDCA Washington, D.C. Reagan-National-SNN Shannon

17h 38m2 stops Detroit Metropolitan Wayne County 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

$891Delta

Thu, Sep 17 - Sun, Sep 20

10:25 am - 7:30 amBWI Baltimore/Washington-SNN Shannon

16h 05m1 stop Chicago O'Hare Intl

9:30 am - 5:42 pmSNN Shannon-BWI Baltimore/Washington

13h 12m1 stop Chicago O'Hare Intl

$991United Airlines

Wed, Sep 16 - Tue, Sep 22

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

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

Lufthansa

Sep 22

DCA8:20 pmWashington, D.C. Reagan-National

8h 55m

1 stop

SNN10:15 amShannon

Sep 29

SNN7:30 amShannon

17h 29m

2 stops

DCA7:59 pmWashington, D.C. Reagan-National

$875

Lufthansa

Sep 22

IAD3:15 pmWashington, D.C. Dulles Intl

11h 15m

1 stop

SNN7:30 amShannon

Sep 29

SNN7:30 amShannon

32h 51m

2 stops

IAD11:21 amWashington, D.C. Dulles Intl

$4,596

Lufthansa

Sep 20

DCA11:57 amWashington, D.C. Reagan-National

14h 33m

1 stop

SNN7:30 amShannon

Sep 27

SNN12:30 pmShannon

14h 29m

1 stop

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

$6,165

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

Feb 16

DCA4:59 pmWashington, D.C. Reagan-National

13h 31m

2 stops

SNN11:30 amShannon

Feb 23

SNN2:00 pmShannon

13h 30m

1 stop

DCA10:30 pmWashington, D.C. Reagan-National

$775

American Airlines

Sep 20

DCA1:33 pmWashington, D.C. Reagan-National

21h 37m

2 stops

SNN4:10 pmShannon

Oct 6

SNN1:45 pmShannon

12h 55m

1 stop

DCA9:40 pmWashington, D.C. Reagan-National

$800

American Airlines

Sep 20

DCA1:56 pmWashington, D.C. Reagan-National

11h 04m

1 stop

SNN6:00 amShannon

Oct 6

SNN1:45 pmShannon

12h 42m

2 stops

DCA9:27 pmWashington, D.C. Reagan-National

$801

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

Sun 9/20

10:25 am-7:30 am

1 stop16h 05m

Shannon

Tue 10/6

12:30 pm-10:59 pm

2 stops15h 29m

$580

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Fri 10/16

6:45 am-10:15 am

1 stop22h 30m

Shannon

Sat 10/24

12:30 pm-10:59 pm

1 stop15h 29m

$704

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Fri 10/9

10:40 pm-10:15 am

1 stop30h 35m

Shannon

Sat 10/24

12:30 pm-10:59 pm

1 stop15h 29m

$704

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Tue 10/20

10:25 pm-4:10 pm

1 stop12h 45m

Shannon

Tue 11/3

7:50 am-3:40 pm

1 stop12h 50m

$752

Quickest round-trip

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 2/24

6:05 pm-11:30 am

1 stop12h 25m

Shannon

Tue 3/2

7:50 am-3:40 pm

1 stop12h 50m

$752

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Tue 10/20

5:45 pm-8:35 pm

1 stop21h 50m

Shannon

Tue 11/3

5:30 pm-7:20 pm

2 stops30h 50m

$755

Washington, D.C.Shannon

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

DCASNN

Washington, D.C. Reagan-National

Tue 10/20

4:55 pm-11:20 am

2 stops13h 25m

Shannon

Tue 11/3

2:00 pm-11:07 pm

1 stop14h 07m

$770

Washington, D.C.Shannon

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

DCASNN

Washington, D.C. Reagan-National

Mon 3/1

5:32 pm-11:30 am

2 stops12h 58m

Shannon

Wed 3/10

2:00 pm-10:27 pm

1 stop13h 27m

$775

Washington, D.C.Shannon

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

DCASNN

Washington, D.C. Reagan-National

Tue 2/16

4:59 pm-11:30 am

2 stops13h 31m

Shannon

Tue 2/23

2:00 pm-10:30 pm

1 stop13h 30m

$775

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Mon 10/5

6:45 am-10:15 am

1 stop22h 30m

Shannon

Tue 10/20

12:30 pm-10:59 pm

1 stop15h 29m

$778

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 low for flights on this route.

Typical prices usually range from $707 to $1,103.
The lowest price recently found on this route was $580.

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	$261
Fastest flight time	10h 15m
Direct flights	None

The best one-way flight to Shannon, Clare from Washington, D.C. in the past 72 hours is $261. The best round-trip flight deal from Washington, D.C. to Shannon, Clare found on momondo in the last 72 hours is $580.

The fastest flight from Washington, D.C. to Shannon, Clare takes 10h 15m

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.

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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 10h 15m.
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 8,557 reviews	Search Delta flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.1 12,049 reviews	Search American Airlines flights
United Airlines	PriceFrom $753	Free Cancellation	Rating 7.4 10,201 reviews	Search United Airlines flights

Limerick

Ennis

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 $261

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 10/3. 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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Lufthansa flights from Washington, D.C. to Shannon, Clare

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

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

Our best American Airlines 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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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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