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Cheap flights from Washington, D.C. to Shannon from $545

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. to Shannon departing on 1/5. 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

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Find the cheapest flights from Washington, D.C. to Shannon

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:20 pm - 11:30 am
IAD
-
SNN
12h 10m1 stop
American Airlines Logo
7:50 am - 3:35 pm
SNN
-
IAD
12h 45m1 stop
$607American Airlines
Tue, Jan 13 - Tue, Jan 20
American Airlines Logo
1:08 pm - 11:30 am
IAD
-
SNN
17h 22m2 stops
American Airlines Logo
7:50 am - 7:55 pm
SNN
-
IAD
17h 05m1 stop
$614American Airlines
Tue, Jan 13 - Tue, Jan 20
American Airlines Logo
8:35 pm - 4:45 pm
BWI
-
SNN
15h 10m1 stop
American Airlines Logo
7:50 am - 11:21 pm
SNN
-
BWI
20h 31m2 stops
$620American Airlines
Tue, Jan 13 - Tue, Jan 20
American Airlines Logo
11:13 am - 11:30 am
BWI
-
SNN
19h 17m2 stops
American Airlines Logo
7:50 am - 9:18 pm
SNN
-
BWI
18h 28m2 stops
$628American Airlines
Tue, Jan 13 - Tue, Jan 20
American Airlines Logo
1:08 pm - 11:30 am
IAD
-
SNN
17h 22m2 stops
American Airlines Logo
7:50 am - 11:12 pm
SNN
-
IAD
20h 22m2 stops
$628American Airlines
Tue, Jan 13 - Tue, Jan 20
American Airlines Logo
7:20 pm - 11:30 am
IAD
-
SNN
12h 10m1 stop
American Airlines Logo
7:50 am - 4:35 pm
SNN
-
IAD
12h 45m1 stop
$639American Airlines
Sun, Mar 8 - Mon, Mar 16
Multiple Airlines Logo
7:40 pm - 7:20 pm
BWI
-
SNN
18h 40m2 stops
Multiple Airlines Logo
5:25 pm - 6:40 pm
SNN
-
BWI
30h 15m2 stops
$644Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
American Airlines Logo
10:45 pm - 4:45 pm
IAD
-
SNN
14h 00m1 stop
American Airlines Logo
7:50 am - 11:59 pm
SNN
-
IAD
20h 09m2 stops
$655American Airlines
Sun, Mar 8 - Mon, Mar 16
British Airways Logo
6:06 am - 11:30 am
DCA
-
SNN
25h 24m2 stops
British Airways Logo
8:05 pm - 4:37 pm
SNN
-
DCA
24h 32m2 stops
$778British Airways
Sun, Mar 8 - Mon, Mar 16
British Airways Logo
5:45 pm - 11:30 am
DCA
-
SNN
12h 45m2 stops
British Airways Logo
2:45 pm - 10:37 pm
SNN
-
DCA
12h 52m1 stop
$853British Airways
Fri, Jan 16 - Tue, Jan 20

American Airlines flights from Washington, D.C. to Shannon, Clare

Our best American Airlines deals on Washington, D.C. to Shannon, Clare flight tickets
American Airlines
Jan 13
IAD6:20 pmWashington, D.C. Dulles Intl
12h 10m
1 stop
SNN11:30 amShannon
Jan 20
SNN7:50 amShannon
12h 45m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$607
Find similar
American Airlines
Jan 13
IAD1:08 pmWashington, D.C. Dulles Intl
17h 22m
2 stops
SNN11:30 amShannon
Jan 20
SNN7:50 amShannon
17h 05m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
$614
Find similar
American Airlines
Jan 13
BWI8:35 pmBaltimore/Washington
15h 10m
1 stop
SNN4:45 pmShannon
Jan 20
SNN7:50 amShannon
20h 31m
2 stops
BWI11:21 pmBaltimore/Washington
$620
Find similar

British Airways flights from Washington, D.C. to Shannon, Clare

Our best British Airways deals on Washington, D.C. to Shannon, Clare flight tickets
British Airways
Mar 8
BWI9:35 pmBaltimore/Washington
17h 50m
1 stop
SNN7:25 pmShannon
Mar 16
SNN5:30 pmShannon
30h 15m
1 stop
BWI7:45 pmBaltimore/Washington
$777
Find similar
British Airways
Mar 8
DCA6:06 amWashington, D.C. Reagan-National
25h 24m
2 stops
SNN11:30 amShannon
Mar 16
SNN8:05 pmShannon
24h 32m
2 stops
DCA4:37 pmWashington, D.C. Reagan-National
$778
Find similar
British Airways
Mar 8
BWI9:35 pmBaltimore/Washington
17h 50m
1 stop
SNN7:25 pmShannon
Mar 16
SNN8:05 pmShannon
29h 14m
2 stops
BWI9:19 pmBaltimore/Washington
$788
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 1/13

6:20 pm-11:30 am

1 stop12h 10m

Shannon

Tue 1/20

7:50 am-3:35 pm

1 stop12h 45m

$607

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 1/13

1:08 pm-11:30 am

2 stops17h 22m

Shannon

Tue 1/20

7:50 am-7:55 pm

1 stop17h 05m

$614

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 1/13

8:35 pm-4:45 pm

1 stop15h 10m

Shannon

Tue 1/20

7:50 am-11:21 pm

2 stops20h 31m

$620

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 1/13

11:13 am-11:30 am

2 stops19h 17m

Shannon

Tue 1/20

7:50 am-9:18 pm

2 stops18h 28m

$628

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 1/13

1:08 pm-11:30 am

2 stops17h 22m

Shannon

Tue 1/20

7:50 am-11:12 pm

2 stops20h 22m

$628

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 3/8

7:20 pm-11:30 am

1 stop12h 10m

Shannon

Mon 3/16

7:50 am-4:35 pm

1 stop12h 45m

$639

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Sat 1/31

7:40 pm-7:20 pm

2 stops18h 40m

Shannon

Sat 2/7

5:25 pm-6:40 pm

2 stops30h 15m

$644

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 3/8

10:45 pm-4:45 pm

1 stop14h 00m

Shannon

Mon 3/16

7:50 am-11:59 pm

2 stops20h 09m

$655

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 3/8

6:06 am-11:30 am

2 stops25h 24m

Shannon

Mon 3/16

8:05 pm-4:37 pm

2 stops24h 32m

$778

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 1/16

5:45 pm-11:30 am

2 stops12h 45m

Shannon

Tue 1/20

2:45 pm-10:37 pm

1 stop12h 52m

$853

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Washington, D.C. 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. 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. 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. to Shannon, Clare

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

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

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from Washington, D.C. to Shannon, Clare takes 11h 55m
There are no direct flights from Washington, D.C. to Shannon, Clare. There are no popular flight routes from Washington, D.C. to Shannon, Clare.
Search flight deals

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

    The distance between Washington, D.C. and Shannon is about 3283.1 mi. By plane, this route typically takes 11h 55m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Shannon Airport.

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

    The travel and health documents you'll need for your trip to Shannon Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Shannon Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Washington, D.C. to Shannon, Clare

Compare and see reviews for airlines that fly from Washington, D.C. to Shannon, Clare with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $137Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $489Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
KLMPriceFrom $643Free CancellationRating
7.7
1,428 reviews
Search KLM flights
British AirwaysPriceFrom $796Free CancellationRating
6.7
7,585 reviews
Search British Airways 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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Shannon. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Shannon from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Washington, D.C. to Shannon flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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