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Cheap flights from Washington, D.C. Reagan-National Airport to Shannon from $449

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. Reagan-National Airport to Shannon departing on 9/14. 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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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Shannon

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
5:00 pm - 11:10 am
DCA
-
SNN
13h 10m
1 stop
KLM Logo
1:05 pm - 11:12 pm
SNN
-
DCA
15h 07m
1 stop
$827KLM
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
1:45 pm - 11:10 am
DCA
-
SNN
16h 25m
2 stops
Multiple Airlines Logo
1:05 pm - 10:51 pm
SNN
-
DCA
14h 46m
2 stops
$831Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
KLM Logo
5:00 pm - 11:10 am
DCA
-
SNN
13h 10m
1 stop
KLM Logo
1:05 pm - 11:12 pm
SNN
-
DCA
15h 07m
1 stop
$877KLM
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
1:45 pm - 11:10 am
DCA
-
SNN
16h 25m
2 stops
Multiple Airlines Logo
1:05 pm - 11:24 pm
SNN
-
DCA
15h 19m
2 stops
$881Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
11:00 am - 11:10 am
DCA
-
SNN
19h 10m
1 stop
Multiple Airlines Logo
1:05 pm - 11:24 pm
SNN
-
DCA
15h 19m
2 stops
$882Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
United Airlines Logo
11:00 am - 10:15 am
DCA
-
SNN
18h 15m
1 stop
United Airlines Logo
12:30 pm - 8:20 am
SNN
-
DCA
24h 50m
1 stop
$886United Airlines
Sun, Apr 19 - Tue, May 5
United Airlines Logo
5:00 pm - 7:30 am
DCA
-
SNN
33h 30m
1 stop
United Airlines Logo
9:30 am - 4:52 pm
SNN
-
DCA
12h 22m
1 stop
$889United Airlines
Sat, Aug 1 - Fri, Aug 14
United Airlines Logo
8:25 pm - 10:15 am
DCA
-
SNN
8h 50m
1 stop
United Airlines Logo
9:30 am - 8:43 pm
SNN
-
DCA
16h 13m
1 stop
$893United Airlines
Tue, Sep 1 - Sun, Sep 6
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
$895United Airlines
Mon, Apr 27 - Fri, May 8
Multiple Airlines Logo
11:00 am - 11:10 am
DCA
-
SNN
19h 10m
1 stop
Multiple Airlines Logo
1:05 pm - 10:51 pm
SNN
-
DCA
14h 46m
2 stops
$897Multiple Airlines
Tue, Sep 1 - Sun, Sep 6

KLM flights from Washington, D.C. Reagan-National Airport to Shannon, Clare

Our best KLM deals on Washington, D.C. Reagan-National Airport to Shannon, Clare flight tickets
KLM
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
KLM
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
$877
KLM
Aug 11
DCA11:00 amWashington, D.C. Reagan-National
19h 10m
1 stop
SNN11:10 amShannon
Aug 18
SNN1:05 pmShannon
10h 06m
1 stop
DCA6:11 pmWashington, D.C. Reagan-National
$932

United Airlines flights from Washington, D.C. Reagan-National Airport to Shannon, Clare

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Shannon, Clare flight tickets
United Airlines
Apr 19
DCA11:00 amWashington, D.C. Reagan-National
18h 15m
1 stop
SNN10:15 amShannon
May 5
SNN12:30 pmShannon
24h 50m
1 stop
DCA8:20 amWashington, D.C. Reagan-National
$886
United Airlines
Aug 1
DCA5:00 pmWashington, D.C. Reagan-National
33h 30m
1 stop
SNN7:30 amShannon
Aug 14
SNN9:30 amShannon
12h 22m
1 stop
DCA4:52 pmWashington, D.C. Reagan-National
$889
United Airlines
Sep 1
DCA8:25 pmWashington, D.C. Reagan-National
8h 50m
1 stop
SNN10:15 amShannon
Sep 6
SNN9:30 amShannon
16h 13m
1 stop
DCA8:43 pmWashington, D.C. Reagan-National
$893

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 9/8

1:45 pm-11:10 am

2 stops16h 25m

Shannon

Wed 9/16

1:05 pm-10:51 pm

2 stops14h 46m

$831

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

$877

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 9/8

1:45 pm-11:10 am

2 stops16h 25m

Shannon

Wed 9/16

1:05 pm-11:24 pm

2 stops15h 19m

$881

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-11:24 pm

2 stops15h 19m

$882

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 4/19

11:00 am-10:15 am

1 stop18h 15m

Shannon

Tue 5/5

12:30 pm-8:20 am

1 stop24h 50m

$886

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 8/1

5:00 pm-7:30 am

1 stop33h 30m

Shannon

Fri 8/14

9:30 am-4:52 pm

1 stop12h 22m

$889

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 9/1

8:25 pm-10:15 am

1 stop8h 50m

Shannon

Sun 9/6

9:30 am-8:43 pm

1 stop16h 13m

$893
Quickest round-trip

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 4/27

6:00 pm-10:15 am

1 stop11h 15m

Shannon

Fri 5/8

12:30 pm-5:25 pm

1 stop9h 55m

$895

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 9/1

11:00 am-11:10 am

1 stop19h 10m

Shannon

Sun 9/6

1:05 pm-10:51 pm

2 stops14h 46m

$897

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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. Reagan-National Airport 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. Reagan-National to Shannon?

British Airways is the most popular carrier operating from Washington, D.C. Reagan-National to Shannon

When to book flights from Washington, D.C. Reagan-National Airport to Shannon, Clare

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Shannon, Clare (DCA to SNN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Shannon, Clare

Fastest flight time

11h 15m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Shannon, Clare takes 11h 15m
There are no direct flights from Washington, D.C. Reagan-National Airport to Shannon, Clare. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Shannon, Clare.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Shannon, Clare

  • How far is Washington, D.C. Reagan-National to Shannon by plane?

    Shannon is 3285.6 mi away from Washington, D.C. Reagan-National. 11h 15m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Shannon Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Shannon Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Shannon Airport?

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Shannon Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The required travel and health documents for your Shannon Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Shannon Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to Shannon, Clare?

Best airlines flying from Washington, D.C. Reagan-National Airport to Shannon, Clare

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Shannon, Clare with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $507Free CancellationRating
7.4
9,554 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?

It is quick and easy to find Washington, D.C. to Shannon flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Shannon that suits you.

Can I find flights from Washington, D.C. to Shannon with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Shannon from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Shannon?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Shannon from Washington, D.C..

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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