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Cheap flights from Washington, D.C. Reagan-National Airport to Shannon from $435

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 3/19. 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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0 bags

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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.
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
$608United Airlines
Mon, Apr 6 - Tue, Apr 14
United Airlines Logo
6:00 pm - 10:15 am
DCA
-
SNN
11h 15m
1 stop
United Airlines Logo
12:30 pm - 7:31 pm
SNN
-
DCA
12h 01m
1 stop
$658United Airlines
Mon, Apr 6 - Wed, Apr 15
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
$687KLM
Tue, Aug 4 - Tue, Aug 11
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
$691Multiple Airlines
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
5:00 pm - 11:10 am
DCA
-
SNN
13h 10m
1 stop
Multiple Airlines Logo
1:05 pm - 6:11 pm
SNN
-
DCA
10h 06m
1 stop
$747Multiple Airlines
Mon, Aug 3 - Mon, Aug 10
Multiple Airlines Logo
3:55 pm - 11:10 am
DCA
-
SNN
14h 15m
2 stops
Multiple Airlines Logo
1:05 pm - 11:12 pm
SNN
-
DCA
15h 07m
1 stop
$751Multiple Airlines
Mon, Aug 3 - Mon, Aug 10
British Airways Logo
4:28 pm - 11:20 am
DCA
-
SNN
13h 52m
2 stops
British Airways Logo
2:30 pm - 10:29 pm
SNN
-
DCA
12h 59m
1 stop
$754British 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
2:30 pm - 10:29 pm
SNN
-
DCA
12h 59m
1 stop
$755British Airways
Mon, Apr 6 - Wed, Apr 15
British Airways Logo
4:28 pm - 11:20 am
DCA
-
SNN
13h 52m
2 stops
British Airways Logo
2:30 pm - 10:29 pm
SNN
-
DCA
12h 59m
1 stop
$765British Airways
Mon, Apr 6 - Wed, Apr 15
United Airlines Logo
7:30 am - 7:30 am
DCA
-
SNN
19h 00m
1 stop
United Airlines Logo
9:30 am - 5:12 pm
SNN
-
DCA
12h 42m
1 stop
$766United Airlines
Sun, Jul 12 - Tue, Jul 21

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

Our best British Airways deals on Washington, D.C. Reagan-National Airport to Shannon, Clare flight tickets
British Airways
Apr 6
DCA4:28 pmWashington, D.C. Reagan-National
13h 52m
2 stops
SNN11:20 amShannon
Apr 14
SNN2:30 pmShannon
12h 59m
1 stop
DCA10:29 pmWashington, D.C. Reagan-National
$754
British Airways
Apr 6
DCA4:34 pmWashington, D.C. Reagan-National
13h 46m
2 stops
SNN11:20 amShannon
Apr 15
SNN2:30 pmShannon
12h 59m
1 stop
DCA10:29 pmWashington, D.C. Reagan-National
$755
British Airways
Apr 6
DCA4:28 pmWashington, D.C. Reagan-National
13h 52m
2 stops
SNN11:20 amShannon
Apr 15
SNN2:30 pmShannon
12h 59m
1 stop
DCA10:29 pmWashington, D.C. Reagan-National
$765

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 6
DCA6:00 pmWashington, D.C. Reagan-National
11h 15m
1 stop
SNN10:15 amShannon
Apr 14
SNN12:30 pmShannon
9h 55m
1 stop
DCA5:25 pmWashington, D.C. Reagan-National
$608
United Airlines
Apr 6
DCA6:00 pmWashington, D.C. Reagan-National
11h 15m
1 stop
SNN10:15 amShannon
Apr 15
SNN12:30 pmShannon
12h 01m
1 stop
DCA7:31 pmWashington, D.C. Reagan-National
$658
United Airlines
Apr 4
DCA6:00 pmWashington, D.C. Reagan-National
11h 15m
1 stop
SNN10:15 amShannon
Apr 12
SNN12:30 pmShannon
9h 55m
1 stop
DCA5:25 pmWashington, D.C. Reagan-National
$802

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 February 5, 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

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

Tue 4/14

12:30 pm-5:25 pm

1 stop9h 55m

$608

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-7:31 pm

1 stop12h 01m

$658

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 8/4

11:00 am-11:10 am

1 stop19h 10m

Shannon

Tue 8/11

1:05 pm-11:12 pm

1 stop15h 07m

$687

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 8/4

1:45 pm-11:10 am

2 stops16h 25m

Shannon

Tue 8/11

1:05 pm-10:51 pm

2 stops14h 46m

$691

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 8/3

5:00 pm-11:10 am

1 stop13h 10m

Shannon

Mon 8/10

1:05 pm-6:11 pm

1 stop10h 06m

$747

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 8/3

3:55 pm-11:10 am

2 stops14h 15m

Shannon

Mon 8/10

1:05 pm-11:12 pm

1 stop15h 07m

$751

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

2:30 pm-10:29 pm

1 stop12h 59m

$754

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

Wed 4/15

2:30 pm-10:29 pm

1 stop12h 59m

$755

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

Wed 4/15

2:30 pm-10:29 pm

1 stop12h 59m

$765

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 7/12

7:30 am-7:30 am

1 stop19h 00m

Shannon

Tue 7/21

9:30 am-5:12 pm

1 stop12h 42m

$766

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

9h 55m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Shannon, Clare takes 9h 55m
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

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

    Shannon is 3285.6 mi away from Washington, D.C. Reagan-National. 9h 55m 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
9,240 reviews
Search United Airlines flights
American AirlinesPriceFrom $785Free CancellationRating
7.2
11,237 reviews
Search American Airlines flights

  • How do I get Price Alerts for flights from Washington, D.C. Reagan-National Airport to Shannon, Clare?

    Search flight deals from Washington, D.C. Reagan-National Airport to Shannon, Clare. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Washington, D.C. Reagan-National Airport to Shannon, Clare with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Shannon?

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