Cheap flights from Washington, D.C. to Shannon from $343

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 10/8. 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.
Multiple Airlines Logo
8:30 pm - 11:35 pm
IAD
-
SNN
22h 05m
2 stops
Multiple Airlines Logo
2:05 pm - 3:10 pm
SNN
-
IAD
30h 05m
2 stops
$780Multiple Airlines
Tue, May 12 - Wed, May 20
Multiple Airlines Logo
8:30 pm - 11:35 pm
IAD
-
SNN
22h 05m
2 stops
Multiple Airlines Logo
6:35 am - 8:35 pm
SNN
-
IAD
43h 00m
3 stops
$810Multiple Airlines
Tue, May 12 - Wed, May 20
Multiple Airlines Logo
8:30 pm - 9:35 pm
IAD
-
SNN
20h 05m
3 stops
Multiple Airlines Logo
2:05 pm - 3:10 pm
SNN
-
IAD
30h 05m
2 stops
$825Multiple Airlines
Mon, May 4 - Wed, May 13
United Airlines Logo
10:40 am - 7:30 am
BWI
-
SNN
15h 50m
1 stop
United Airlines Logo
9:30 am - 5:29 pm
SNN
-
BWI
12h 59m
1 stop
$827United Airlines
Tue, Sep 8 - Wed, Sep 16
Delta Logo
5:00 pm - 11:10 am
DCA
-
SNN
13h 10m
1 stop
Delta Logo
1:05 pm - 11:12 pm
SNN
-
DCA
15h 07m
1 stop
$827Delta
Tue, Sep 8 - Wed, Sep 16
KLM Logo
12:30 pm - 11:10 am
IAD
-
SNN
17h 40m
1 stop
KLM Logo
1:05 pm - 7:16 pm
SNN
-
IAD
11h 11m
1 stop
$827KLM
Tue, Sep 8 - Wed, Sep 16
United Airlines Logo
12:30 pm - 7:30 am
BWI
-
SNN
14h 00m
1 stop
United Airlines Logo
9:30 am - 5:29 pm
SNN
-
BWI
12h 59m
1 stop
$828United Airlines
Tue, Sep 8 - Wed, Sep 16
KLM Logo
11:00 am - 11:10 am
DCA
-
SNN
19h 10m
1 stop
KLM Logo
1:05 pm - 11:12 pm
SNN
-
DCA
15h 07m
1 stop
$828KLM
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
7:59 pm - 11:10 am
IAD
-
SNN
10h 11m
1 stop
Multiple Airlines Logo
1:05 pm - 7:16 pm
SNN
-
IAD
11h 11m
1 stop
$828Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
Delta Logo
12:30 pm - 11:10 am
IAD
-
SNN
17h 40m
1 stop
Delta Logo
1:05 pm - 7:16 pm
SNN
-
IAD
11h 11m
1 stop
$877Delta
Fri, Sep 4 - Wed, Sep 16

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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
Sep 8
BWI10:40 amBaltimore/Washington
15h 50m
1 stop
SNN7:30 amShannon
Sep 16
SNN9:30 amShannon
12h 59m
1 stop
BWI5:29 pmBaltimore/Washington
$827
United Airlines
Sep 8
BWI12:30 pmBaltimore/Washington
14h 00m
1 stop
SNN7:30 amShannon
Sep 16
SNN9:30 amShannon
12h 59m
1 stop
BWI5:29 pmBaltimore/Washington
$828
United Airlines
May 3
DCA6:05 pmWashington, D.C. Reagan-National
11h 10m
1 stop
SNN10:15 amShannon
May 12
SNN12:30 pmShannon
9h 55m
1 stop
DCA5:25 pmWashington, D.C. Reagan-National
$846

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

Our best Delta deals on Washington, D.C. to Shannon, Clare flight tickets
Delta
Sep 8
DCA5:00 pmWashington, D.C. Reagan-National
13h 10m
1 stop
SNN11:10 amShannon
Sep 16
SNN1:05 pmShannon
15h 07m
1 stop
DCA11:12 pmWashington, D.C. Reagan-National
$827
Delta
Sep 4
IAD12:30 pmWashington, D.C. Dulles Intl
17h 40m
1 stop
SNN11:10 amShannon
Sep 16
SNN1:05 pmShannon
11h 11m
1 stop
IAD7:16 pmWashington, D.C. Dulles Intl
$877
Delta
Sep 4
BWI6:00 amBaltimore/Washington
24h 10m
2 stops
SNN11:10 amShannon
Sep 16
SNN1:05 pmShannon
24h 26m
2 stops
BWI8:31 amBaltimore/Washington
$882

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 April 20, 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

Cheapest round-trip

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 5/12

8:30 pm-11:35 pm

2 stops22h 05m

Shannon

Wed 5/20

2:05 pm-3:10 pm

2 stops30h 05m

$780

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 5/12

8:30 pm-11:35 pm

2 stops22h 05m

Shannon

Wed 5/20

6:35 am-8:35 pm

3 stops43h 00m

$810

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 5/4

8:30 pm-9:35 pm

3 stops20h 05m

Shannon

Wed 5/13

2:05 pm-3:10 pm

2 stops30h 05m

$825

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 9/8

10:40 am-7:30 am

1 stop15h 50m

Shannon

Wed 9/16

9:30 am-5:29 pm

1 stop12h 59m

$827

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 9/8

5:00 pm-11:10 am

1 stop13h 10m

Shannon

Wed 9/16

1:05 pm-11:12 pm

1 stop15h 07m

$827

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/8

12:30 pm-11:10 am

1 stop17h 40m

Shannon

Wed 9/16

1:05 pm-7:16 pm

1 stop11h 11m

$827

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 9/8

12:30 pm-7:30 am

1 stop14h 00m

Shannon

Wed 9/16

9:30 am-5:29 pm

1 stop12h 59m

$828

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 9/8

11:00 am-11:10 am

1 stop19h 10m

Shannon

Wed 9/16

1:05 pm-11:12 pm

1 stop15h 07m

$828
Quickest round-trip

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/8

7:59 pm-11:10 am

1 stop10h 11m

Shannon

Wed 9/16

1:05 pm-7:16 pm

1 stop11h 11m

$828

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fri 9/4

12:30 pm-11:10 am

1 stop17h 40m

Shannon

Wed 9/16

1:05 pm-7:16 pm

1 stop11h 11m

$877

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Washington, D.C. and Shannon, Clare?

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 50m

Direct flights

None
The fastest flight from Washington, D.C. to Shannon, Clare takes 10h 50m
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.

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 50m.

  • 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
8,422 reviews
Search Delta flights
American AirlinesPriceFrom $489Free CancellationRating
7.1
11,625 reviews
Search American Airlines flights
United AirlinesPriceFrom $507Free CancellationRating
7.4
9,607 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
Ennis
Adare
Lahinch
Nenagh

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
Wed 5/20
Wed 5/27

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