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Cheap flights from Washington, D.C. Reagan-National Airport to Shannon from $375

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 1/11. 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
8:00 pm - 10:15 am
DCA
-
SNN
9h 15m1 stop
United Airlines Logo
12:30 pm - 7:33 pm
SNN
-
DCA
12h 03m1 stop
$506United Airlines
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
1:59 pm - 11:30 am
DCA
-
SNN
16h 31m2 stops
American Airlines Logo
7:50 am - 10:03 pm
SNN
-
DCA
19h 13m2 stops
$591American Airlines
Fri, Jan 16 - Fri, Jan 23
American Airlines Logo
4:39 pm - 11:30 am
DCA
-
SNN
13h 51m2 stops
American Airlines Logo
7:50 am - 10:47 pm
SNN
-
DCA
19h 57m2 stops
$602American Airlines
Sat, Jan 17 - Sat, Jan 24
American Airlines Logo
3:59 pm - 11:30 am
DCA
-
SNN
14h 31m2 stops
American Airlines Logo
7:50 am - 7:08 pm
SNN
-
DCA
16h 18m2 stops
$603American Airlines
Sat, Jan 17 - Sat, Jan 24
American Airlines Logo
1:44 pm - 11:30 am
DCA
-
SNN
16h 46m2 stops
American Airlines Logo
7:50 am - 9:30 pm
SNN
-
DCA
18h 40m2 stops
$670American Airlines
Sun, Jan 18 - Sun, Jan 25
British Airways Logo
5:09 pm - 11:20 am
DCA
-
SNN
13h 11m2 stops
British Airways Logo
7:40 am - 5:29 pm
SNN
-
DCA
14h 49m2 stops
$683British Airways
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
1:35 pm - 11:30 am
DCA
-
SNN
16h 55m2 stops
British Airways Logo
2:45 pm - 10:37 pm
SNN
-
DCA
12h 52m1 stop
$719British Airways
Fri, Jan 16 - Fri, Jan 23
British Airways Logo
8:45 pm - 11:30 am
DCA
-
SNN
33h 45m2 stops
British Airways Logo
8:05 pm - 6:56 pm
SNN
-
DCA
27h 51m2 stops
$731British Airways
Thu, Jan 15 - Mon, Jan 19
American Airlines Logo
3:59 pm - 11:30 am
DCA
-
SNN
14h 31m2 stops
American Airlines Logo
7:50 am - 9:58 pm
SNN
-
DCA
19h 08m2 stops
$735American Airlines
Sat, Jan 10 - Sat, Jan 17
Multiple Airlines Logo
1:55 pm - 5:25 am
DCA
-
SNN
10h 30m1 stop
Multiple Airlines Logo
9:15 pm - 3:54 pm
SNN
-
DCA
23h 39m2 stops
$737Multiple Airlines
Tue, Apr 14 - Tue, Apr 21

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Shannon, Clare flight tickets
Air Canada
Jan 21
DCA6:00 amWashington, D.C. Reagan-National
24h 30m
2 stops
SNN11:30 amShannon
Jan 25
SNN7:50 amShannon
33h 29m
2 stops
DCA12:19 pmWashington, D.C. Reagan-National
$741
Find similar
Air Canada
Jan 17
DCA4:15 pmWashington, D.C. Reagan-National
14h 15m
2 stops
SNN11:30 amShannon
Jan 24
SNN7:50 amShannon
19h 45m
2 stops
DCA10:35 pmWashington, D.C. Reagan-National
$758
Find similar
Air Canada
May 17
DCA4:30 pmWashington, D.C. Reagan-National
18h 40m
2 stops
SNN4:10 pmShannon
May 29
SNN7:40 amShannon
19h 08m
2 stops
DCA9:48 pmWashington, D.C. Reagan-National
$952
Find similar

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 10
DCA6:35 amWashington, D.C. Reagan-National
23h 45m
2 stops
SNN11:20 amShannon
Apr 23
SNN9:15 pmShannon
23h 39m
2 stops
DCA3:54 pmWashington, D.C. Reagan-National
$766
Find similar
British Airways
Jan 18
DCA3:30 pmWashington, D.C. Reagan-National
15h 00m
2 stops
SNN11:30 amShannon
Jan 25
SNN2:45 pmShannon
12h 52m
1 stop
DCA10:37 pmWashington, D.C. Reagan-National
$837
Find similar
British Airways
May 7
DCA5:09 pmWashington, D.C. Reagan-National
18h 01m
2 stops
SNN4:10 pmShannon
May 16
SNN7:40 amShannon
28h 19m
2 stops
DCA6:59 amWashington, D.C. Reagan-National
$864
Find similar

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 December 5, 2025.
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

Tue 4/14

8:00 pm-10:15 am

1 stop9h 15m

Shannon

Tue 4/21

12:30 pm-7:33 pm

1 stop12h 03m

$506

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 1/16

1:59 pm-11:30 am

2 stops16h 31m

Shannon

Fri 1/23

7:50 am-10:03 pm

2 stops19h 13m

$591

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 1/17

4:39 pm-11:30 am

2 stops13h 51m

Shannon

Sat 1/24

7:50 am-10:47 pm

2 stops19h 57m

$602

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 1/17

3:59 pm-11:30 am

2 stops14h 31m

Shannon

Sat 1/24

7:50 am-7:08 pm

2 stops16h 18m

$603

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 1/18

1:44 pm-11:30 am

2 stops16h 46m

Shannon

Sun 1/25

7:50 am-9:30 pm

2 stops18h 40m

$670

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 4/14

5:09 pm-11:20 am

2 stops13h 11m

Shannon

Tue 4/21

7:40 am-5:29 pm

2 stops14h 49m

$683

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 1/16

1:35 pm-11:30 am

2 stops16h 55m

Shannon

Fri 1/23

2:45 pm-10:37 pm

1 stop12h 52m

$719

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Thu 1/15

8:45 pm-11:30 am

2 stops33h 45m

Shannon

Mon 1/19

8:05 pm-6:56 pm

2 stops27h 51m

$731

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 1/10

3:59 pm-11:30 am

2 stops14h 31m

Shannon

Sat 1/17

7:50 am-9:58 pm

2 stops19h 08m

$735

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 4/14

1:55 pm-5:25 am

1 stop10h 30m

Shannon

Tue 4/21

9:15 pm-3:54 pm

2 stops23h 39m

$737

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 day to depart on your flight to Shannon, Clare?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Shannon, Clare is on a Monday when prices can be found for as low as $833. The most expensive day to fly to Shannon, Clare is Wednesday, with ticket prices averaging around $1,146.

What is the cheapest time of day to depart on your flight to Shannon, Clare?

Our data shows that the cheapest Washington, D.C. Reagan-National Airport to Shannon, Clare flights are usually those with departure times in the morning. Our users have found flights to Shannon, Clare in the morning for as low as $933. Flights at noon are often more expensive with an average ticket price of $1,177.

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 15m

Direct flights

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

  • 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 26m 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 $685Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
American AirlinesPriceFrom $892Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

Traveling to a place near Shannon?

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

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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