Cheap flights from Washington, D.C. to Shannon from $335

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 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:15 pm - 11:20 am
IAD
-
SNN
11h 05m
1 stop
American Airlines Logo
9:15 pm - 3:50 pm
SNN
-
IAD
23h 35m
1 stop
$590American Airlines
Mon, Apr 6 - Wed, Apr 15
American Airlines Logo
2:03 pm - 11:20 am
IAD
-
SNN
16h 17m
2 stops
American Airlines Logo
7:30 am - 5:25 pm
SNN
-
IAD
14h 55m
1 stop
$598American Airlines
Mon, Apr 6 - Wed, Apr 15
American Airlines Logo
7:15 pm - 4:10 pm
IAD
-
SNN
15h 55m
1 stop
American Airlines Logo
7:30 am - 6:41 pm
SNN
-
IAD
16h 11m
2 stops
$603American Airlines
Mon, Mar 30 - Tue, Apr 7
American Airlines Logo
5:25 pm - 11:20 am
DCA
-
SNN
12h 55m
2 stops
American Airlines Logo
7:30 am - 6:00 pm
SNN
-
DCA
15h 30m
2 stops
$605American Airlines
Mon, Apr 6 - Wed, Apr 15
United Airlines Logo
6:00 pm - 10:15 am
DCA
-
SNN
11h 15m
1 stop
United Airlines Logo
12:30 pm - 5:25 pm
SNN
-
DCA
9h 55m
1 stop
$607United Airlines
Mon, Apr 6 - Wed, Apr 15
Multiple Airlines Logo
7:40 pm - 2:40 pm
BWI
-
SNN
14h 00m
2 stops
Multiple Airlines Logo
5:30 pm - 6:40 pm
SNN
-
BWI
30h 10m
2 stops
$632Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
7:40 pm - 2:40 pm
IAD
-
SNN
14h 00m
2 stops
Multiple Airlines Logo
5:30 pm - 6:30 pm
SNN
-
IAD
30h 00m
2 stops
$632Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
United Airlines Logo
6:00 pm - 10:15 am
DCA
-
SNN
11h 15m
1 stop
United Airlines Logo
12:30 pm - 5:25 pm
SNN
-
DCA
9h 55m
1 stop
$657United Airlines
Wed, Apr 22 - Fri, May 1
British Airways Logo
4:28 pm - 11:20 am
DCA
-
SNN
13h 52m
2 stops
British Airways Logo
1:45 pm - 10:15 pm
SNN
-
DCA
13h 30m
1 stop
$752British Airways
Mon, Apr 6 - Tue, Apr 14
British Airways Logo
4:34 pm - 11:20 am
DCA
-
SNN
13h 46m
2 stops
British Airways Logo
1:45 pm - 10:15 pm
SNN
-
DCA
13h 30m
1 stop
$762British Airways
Mon, Apr 6 - Tue, Apr 14

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
Apr 6
IAD7:15 pmWashington, D.C. Dulles Intl
11h 05m
1 stop
SNN11:20 amShannon
Apr 15
SNN9:15 pmShannon
23h 35m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$590
American Airlines
Apr 6
IAD2:03 pmWashington, D.C. Dulles Intl
16h 17m
2 stops
SNN11:20 amShannon
Apr 15
SNN7:30 amShannon
14h 55m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
$598
American Airlines
Mar 30
IAD7:15 pmWashington, D.C. Dulles Intl
15h 55m
1 stop
SNN4:10 pmShannon
Apr 7
SNN7:30 amShannon
16h 11m
2 stops
IAD6:41 pmWashington, D.C. Dulles Intl
$603

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
Apr 6
DCA6:00 pmWashington, D.C. Reagan-National
11h 15m
1 stop
SNN10:15 amShannon
Apr 15
SNN12:30 pmShannon
9h 55m
1 stop
DCA5:25 pmWashington, D.C. Reagan-National
$607
United Airlines
Apr 22
DCA6:00 pmWashington, D.C. Reagan-National
11h 15m
1 stop
SNN10:15 amShannon
May 1
SNN12:30 pmShannon
9h 55m
1 stop
DCA5:25 pmWashington, D.C. Reagan-National
$657
United Airlines
Jul 12
DCA7:00 pmWashington, D.C. Reagan-National
10h 15m
1 stop
SNN10:15 amShannon
Jul 21
SNN9:30 amShannon
14h 22m
1 stop
DCA6:52 pmWashington, D.C. Reagan-National
$765

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Shannon, Clare that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 27, 2026.
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

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 4/6

7:15 pm-11:20 am

1 stop11h 05m

Shannon

Wed 4/15

9:15 pm-3:50 pm

1 stop23h 35m

$590

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 4/6

2:03 pm-11:20 am

2 stops16h 17m

Shannon

Wed 4/15

7:30 am-5:25 pm

1 stop14h 55m

$598

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 3/30

7:15 pm-4:10 pm

1 stop15h 55m

Shannon

Tue 4/7

7:30 am-6:41 pm

2 stops16h 11m

$603

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 4/6

5:25 pm-11:20 am

2 stops12h 55m

Shannon

Wed 4/15

7:30 am-6:00 pm

2 stops15h 30m

$605

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 4/6

6:00 pm-10:15 am

1 stop11h 15m

Shannon

Wed 4/15

12:30 pm-5:25 pm

1 stop9h 55m

$607

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 2/25

7:40 pm-2:40 pm

2 stops14h 00m

Shannon

Wed 3/4

5:30 pm-6:40 pm

2 stops30h 10m

$632

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 2/25

7:40 pm-2:40 pm

2 stops14h 00m

Shannon

Wed 3/4

5:30 pm-6:30 pm

2 stops30h 00m

$632

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 4/22

6:00 pm-10:15 am

1 stop11h 15m

Shannon

Fri 5/1

12:30 pm-5:25 pm

1 stop9h 55m

$657

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 4/6

4:28 pm-11:20 am

2 stops13h 52m

Shannon

Tue 4/14

1:45 pm-10:15 pm

1 stop13h 30m

$752

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 4/6

4:34 pm-11:20 am

2 stops13h 46m

Shannon

Tue 4/14

1:45 pm-10:15 pm

1 stop13h 30m

$762

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Shannon from

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

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

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

What airlines fly to Shannon, Clare?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Shannon, Clare from Washington, D.C. according to our data. American Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 4 different airlines that fly to Shannon, Clare on a routine basis, so you have a few additional options to choose from.

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

10h 11m

Direct flights

None
The fastest flight from Washington, D.C. to Shannon, Clare takes 10h 11m
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.
  • 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 11m.

  • 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?

  • 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?

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
DeltaPriceFrom $157Free CancellationRating
7.9
8,121 reviews
Search Delta flights
American AirlinesPriceFrom $489Free CancellationRating
7.2
11,198 reviews
Search American Airlines flights
KLMPriceFrom $643Free CancellationRating
7.7
1,443 reviews
Search KLM flights
United AirlinesPriceFrom $646Free CancellationRating
7.4
9,207 reviews
Search United Airlines flights

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Bunratty
Adare
Ennis
Nenagh
Lahinch

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Shannon. momondo saves you time and could save you money on your trip.

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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1 adult
Thu 2/26
Thu 3/5

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