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Cheap flights from Washington, D.C. Reagan-National Airport to Shannon from $399

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 6/7. 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

Discover deals from 900+ travel sites with momondo.

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.
United Airlines Logo
8:25 pm - 10:15 am
DCA
-
SNN
8h 50m
1 stop
United Airlines Logo
9:30 am - 4:52 pm
SNN
-
DCA
12h 22m
1 stop
$825United Airlines
Tue, Sep 8 - Wed, Sep 16
United Airlines Logo
6:00 pm - 7:30 am
DCA
-
SNN
32h 30m
1 stop
United Airlines Logo
9:30 am - 4:52 pm
SNN
-
DCA
12h 22m
1 stop
$882United Airlines
Fri, Sep 4 - Fri, Sep 18
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
$902Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
United Airlines Logo
10:05 am - 10:15 am
DCA
-
SNN
19h 10m
1 stop
United Airlines Logo
9:30 am - 10:26 pm
SNN
-
DCA
17h 56m
1 stop
$925United Airlines
Fri, Sep 4 - Mon, Sep 14
United Airlines Logo
8:25 pm - 10:15 am
DCA
-
SNN
8h 50m
1 stop
United Airlines Logo
12:30 pm - 9:53 pm
SNN
-
DCA
14h 23m
1 stop
$932United Airlines
Sun, Aug 30 - Mon, Sep 7
United Airlines Logo
5:55 pm - 10:15 am
DCA
-
SNN
11h 20m
1 stop
United Airlines Logo
9:30 am - 3:52 pm
SNN
-
DCA
11h 22m
1 stop
$939United Airlines
Sun, Jul 12 - Tue, Jul 21
United Airlines Logo
6:00 pm - 7:30 am
DCA
-
SNN
32h 30m
1 stop
United Airlines Logo
9:30 am - 3:38 pm
SNN
-
DCA
11h 08m
1 stop
$948United Airlines
Sat, Sep 12 - Mon, Sep 21
United Airlines Logo
7:10 pm - 7:30 am
DCA
-
SNN
31h 20m
1 stop
United Airlines Logo
12:30 pm - 2:23 pm
SNN
-
DCA
30h 53m
1 stop
$951United Airlines
Tue, Aug 4 - Tue, Aug 11
Delta Logo
5:00 pm - 11:10 am
DCA
-
SNN
13h 10m
1 stop
Delta Logo
1:05 pm - 11:24 pm
SNN
-
DCA
15h 19m
2 stops
$952Delta
Fri, Sep 4 - Fri, Sep 18
United Airlines Logo
8:25 pm - 10:15 am
DCA
-
SNN
8h 50m
1 stop
United Airlines Logo
9:30 am - 3:52 pm
SNN
-
DCA
11h 22m
1 stop
$958United Airlines
Tue, Jul 7 - Wed, Jul 15

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to Shannon, Clare flight tickets
Delta
Sep 4
DCA5:00 pmWashington, D.C. Reagan-National
13h 10m
1 stop
SNN11:10 amShannon
Sep 18
SNN1:05 pmShannon
15h 19m
2 stops
DCA11:24 pmWashington, D.C. Reagan-National
$952
Delta
Jul 8
DCA11:00 amWashington, D.C. Reagan-National
19h 10m
1 stop
SNN11:10 amShannon
Jul 17
SNN1:05 pmShannon
14h 54m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$977
Delta
Sep 5
DCA6:00 amWashington, D.C. Reagan-National
24h 10m
2 stops
SNN11:10 amShannon
Sep 12
SNN1:05 pmShannon
30h 18m
2 stops
DCA2:23 pmWashington, D.C. Reagan-National
$1,023

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 5
DCA5:00 pmWashington, D.C. Reagan-National
13h 10m
1 stop
SNN11:10 amShannon
Sep 12
SNN1:05 pmShannon
15h 07m
1 stop
DCA11:12 pmWashington, D.C. Reagan-National
$997
KLM
May 31
DCA5:00 pmWashington, D.C. Reagan-National
13h 10m
1 stop
SNN11:10 amShannon
Jun 7
SNN1:05 pmShannon
15h 39m
2 stops
DCA11:44 pmWashington, D.C. Reagan-National
$1,076

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 May 6, 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

8:25 pm-10:15 am

1 stop8h 50m

Shannon

Wed 9/16

9:30 am-4:52 pm

1 stop12h 22m

$825

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 9/4

6:00 pm-7:30 am

1 stop32h 30m

Shannon

Fri 9/18

9:30 am-4:52 pm

1 stop12h 22m

$882

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

$902

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 9/4

10:05 am-10:15 am

1 stop19h 10m

Shannon

Mon 9/14

9:30 am-10:26 pm

1 stop17h 56m

$925

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 8/30

8:25 pm-10:15 am

1 stop8h 50m

Shannon

Mon 9/7

12:30 pm-9:53 pm

1 stop14h 23m

$932

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 7/12

5:55 pm-10:15 am

1 stop11h 20m

Shannon

Tue 7/21

9:30 am-3:52 pm

1 stop11h 22m

$939

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 9/12

6:00 pm-7:30 am

1 stop32h 30m

Shannon

Mon 9/21

9:30 am-3:38 pm

1 stop11h 08m

$948

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 8/4

7:10 pm-7:30 am

1 stop31h 20m

Shannon

Tue 8/11

12:30 pm-2:23 pm

1 stop30h 53m

$951

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 9/4

5:00 pm-11:10 am

1 stop13h 10m

Shannon

Fri 9/18

1:05 pm-11:24 pm

2 stops15h 19m

$952
Quickest round-trip

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 7/7

8:25 pm-10:15 am

1 stop8h 50m

Shannon

Wed 7/15

9:30 am-3:52 pm

1 stop11h 22m

$958

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?

Lufthansa and United Airlines are the most popular carriers 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

8h 50m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Shannon, Clare takes 8h 50m
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. 8h 50m 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
9,684 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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