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Cheap flights from Washington, D.C. Reagan-National Airport to Shannon from $370

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 10/4. 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
1 adult, Economy, 0 bags

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.
Air France Logo
11:00 am - 11:10 am
DCA
-
SNN
19h 10m
1 stop
Air France Logo
1:05 pm - 4:59 pm
SNN
-
DCA
32h 54m
1 stop
$701Air France
Wed, Aug 19 - Wed, Aug 26
Delta Logo
5:30 pm - 11:10 am
DCA
-
SNN
12h 40m
1 stop
Delta Logo
1:05 pm - 7:34 am
SNN
-
DCA
23h 29m
1 stop
$708Delta
Thu, Sep 10 - Wed, Sep 16
Delta Logo
1:45 pm - 11:10 am
DCA
-
SNN
16h 25m
2 stops
Delta Logo
1:05 pm - 10:59 pm
SNN
-
DCA
14h 54m
2 stops
$712Delta
Mon, Aug 3 - Wed, Aug 19
United Airlines Logo
8:20 pm - 10:15 am
DCA
-
SNN
8h 55m
1 stop
United Airlines Logo
9:30 am - 8:09 pm
SNN
-
DCA
15h 39m
1 stop
$738United Airlines
Fri, Aug 28 - Sun, Sep 6
Delta Logo
12:23 pm - 11:10 am
DCA
-
SNN
17h 47m
2 stops
Delta Logo
1:05 pm - 10:59 pm
SNN
-
DCA
14h 54m
1 stop
$742Delta
Fri, Aug 28 - Sat, Sep 5
Lufthansa Logo
1:01 pm - 10:15 am
DCA
-
SNN
16h 14m
1 stop
Lufthansa Logo
9:30 am - 3:42 pm
SNN
-
DCA
11h 12m
1 stop
$758Lufthansa
Mon, Aug 24 - Mon, Sep 14
United Airlines Logo
4:30 pm - 10:15 am
DCA
-
SNN
12h 45m
1 stop
United Airlines Logo
9:30 am - 8:10 pm
SNN
-
DCA
15h 40m
1 stop
$768United Airlines
Wed, Jul 15 - Mon, Jul 27
Delta Logo
5:00 pm - 11:10 am
DCA
-
SNN
13h 10m
1 stop
Delta Logo
1:05 pm - 11:52 pm
SNN
-
DCA
15h 47m
2 stops
$772Delta
Fri, Jul 24 - Thu, Jul 30
KLM Logo
6:02 am - 11:10 am
DCA
-
SNN
24h 08m
1 stop
KLM Logo
1:05 pm - 11:52 pm
SNN
-
DCA
15h 47m
2 stops
$778KLM
Thu, Jul 16 - Mon, Jul 27
Lufthansa Logo
10:30 am - 10:15 am
DCA
-
SNN
18h 45m
1 stop
Lufthansa Logo
12:30 pm - 7:39 pm
SNN
-
DCA
12h 09m
1 stop
$787Lufthansa
Fri, Oct 2 - Tue, Oct 6

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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
Jul 16
DCA6:02 amWashington, D.C. Reagan-National
24h 08m
1 stop
SNN11:10 amShannon
Jul 27
SNN1:05 pmShannon
15h 47m
2 stops
DCA11:52 pmWashington, D.C. Reagan-National
$778
KLM
Jul 31
DCA6:06 amWashington, D.C. Reagan-National
24h 04m
1 stop
SNN11:10 amShannon
Aug 7
SNN1:05 pmShannon
14h 54m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$819
KLM
Aug 15
DCA6:02 amWashington, D.C. Reagan-National
24h 08m
1 stop
SNN11:10 amShannon
Aug 22
SNN1:05 pmShannon
14h 54m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$838

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

Our best Lufthansa deals on Washington, D.C. Reagan-National Airport to Shannon, Clare flight tickets
Lufthansa
Aug 24
DCA1:01 pmWashington, D.C. Reagan-National
16h 14m
1 stop
SNN10:15 amShannon
Sep 14
SNN9:30 amShannon
11h 12m
1 stop
DCA3:42 pmWashington, D.C. Reagan-National
$758
Lufthansa
Oct 2
DCA10:30 amWashington, D.C. Reagan-National
18h 45m
1 stop
SNN10:15 amShannon
Oct 6
SNN12:30 pmShannon
12h 09m
1 stop
DCA7:39 pmWashington, D.C. Reagan-National
$787
Lufthansa
Jul 17
DCA7:10 pmWashington, D.C. Reagan-National
31h 20m
1 stop
SNN7:30 amShannon
Jul 25
SNN12:30 pmShannon
14h 23m
1 stop
DCA9:53 pmWashington, D.C. Reagan-National
$932

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 July 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

Wed 8/19

11:00 am-11:10 am

1 stop19h 10m

Shannon

Wed 8/26

1:05 pm-4:59 pm

1 stop32h 54m

$701

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Thu 9/10

5:30 pm-11:10 am

1 stop12h 40m

Shannon

Wed 9/16

1:05 pm-7:34 am

1 stop23h 29m

$708

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 8/3

1:45 pm-11:10 am

2 stops16h 25m

Shannon

Wed 8/19

1:05 pm-10:59 pm

2 stops14h 54m

$712
Quickest round-trip

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 8/28

8:20 pm-10:15 am

1 stop8h 55m

Shannon

Sun 9/6

9:30 am-8:09 pm

1 stop15h 39m

$738

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 8/28

12:23 pm-11:10 am

2 stops17h 47m

Shannon

Sat 9/5

1:05 pm-10:59 pm

1 stop14h 54m

$742

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 8/24

1:01 pm-10:15 am

1 stop16h 14m

Shannon

Mon 9/14

9:30 am-3:42 pm

1 stop11h 12m

$758

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 7/15

4:30 pm-10:15 am

1 stop12h 45m

Shannon

Mon 7/27

9:30 am-8:10 pm

1 stop15h 40m

$768

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 7/24

5:00 pm-11:10 am

1 stop13h 10m

Shannon

Thu 7/30

1:05 pm-11:52 pm

2 stops15h 47m

$772

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Thu 7/16

6:02 am-11:10 am

1 stop24h 08m

Shannon

Mon 7/27

1:05 pm-11:52 pm

2 stops15h 47m

$778

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 10/2

10:30 am-10:15 am

1 stop18h 45m

Shannon

Tue 10/6

12:30 pm-7:39 pm

1 stop12h 09m

$787

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?

United Airlines and British Airways 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 55m

Direct flights

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

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 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 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.

Traveling to a place near Shannon?

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