Cheap flights from Washington, D.C. to Shannon from €245

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 2/8. 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 return flights

Enter your travel dates to find the best prices.
United Airlines Logo
18:00 - 10:15
DCA
-
SNN
11h 15m
1 stop
United Airlines Logo
12:30 - 17:25
SNN
-
DCA
9h 55m
1 stop
€512United Airlines
Mon, 6 Apr - Wed, 15 Apr
United Airlines Logo
06:00 - 10:15
BWI
-
SNN
23h 15m
2 stops
United Airlines Logo
12:30 - 10:04
SNN
-
BWI
26h 34m
2 stops
€516United Airlines
Mon, 27 Apr - Tue, 5 May
Multiple Airlines Logo
20:30 - 21:35
IAD
-
SNN
20h 05m
3 stops
Multiple Airlines Logo
08:00 - 15:10
SNN
-
IAD
36h 10m
3 stops
€625Multiple Airlines
Mon, 27 Apr - Tue, 5 May
Multiple Airlines Logo
20:40 - 14:40
IAD
-
SNN
14h 00m
2 stops
Multiple Airlines Logo
07:50 - 19:30
SNN
-
IAD
15h 40m
2 stops
€629Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
British Airways Logo
17:15 - 11:20
IAD
-
SNN
13h 05m
2 stops
British Airways Logo
21:15 - 15:45
SNN
-
IAD
23h 30m
2 stops
€639British Airways
Mon, 6 Apr - Wed, 15 Apr
British Airways Logo
17:40 - 11:20
IAD
-
SNN
12h 40m
1 stop
British Airways Logo
07:30 - 19:10
SNN
-
IAD
16h 40m
2 stops
€639British Airways
Mon, 6 Apr - Wed, 15 Apr
United Airlines Logo
06:17 - 07:30
BWI
-
SNN
20h 13m
1 stop
United Airlines Logo
09:30 - 21:03
SNN
-
BWI
16h 33m
1 stop
€645United Airlines
Sun, 12 Jul - Tue, 21 Jul
KLM Logo
19:33 - 11:10
IAD
-
SNN
10h 37m
1 stop
KLM Logo
13:05 - 00:46
SNN
-
IAD
16h 41m
2 stops
€649KLM
Wed, 27 May - Tue, 2 Jun
Lufthansa Logo
17:55 - 11:15
IAD
-
SNN
12h 20m
1 stop
Lufthansa Logo
12:30 - 21:11
SNN
-
IAD
13h 41m
1 stop
€652Lufthansa
Fri, 1 May - Fri, 15 May
KLM Logo
11:00 - 11:10
DCA
-
SNN
19h 10m
1 stop
KLM Logo
13:05 - 23:12
SNN
-
DCA
15h 07m
1 stop
€672KLM
Fri, 31 Jul - Sat, 8 Aug

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

Our best United Airlines deals on Washington, D.C. to Shannon, Clare flight tickets
United Airlines
6 Apr
DCA18:00Washington, D.C. Reagan-National
11h 15m
1 stop
SNN10:15Shannon
15 Apr
SNN12:30Shannon
9h 55m
1 stop
DCA17:25Washington, D.C. Reagan-National
€512
United Airlines
27 Apr
BWI06:00Baltimore/Washington
23h 15m
2 stops
SNN10:15Shannon
5 May
SNN12:30Shannon
26h 34m
2 stops
BWI10:04Baltimore/Washington
€516
United Airlines
12 Jul
DCA17:55Washington, D.C. Reagan-National
11h 20m
1 stop
SNN10:15Shannon
21 Jul
SNN09:30Shannon
11h 17m
1 stop
DCA15:47Washington, D.C. Reagan-National
€645

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
6 Apr
IAD17:15Washington, D.C. Dulles Intl
13h 05m
2 stops
SNN11:20Shannon
15 Apr
SNN21:15Shannon
23h 30m
2 stops
IAD15:45Washington, D.C. Dulles Intl
€639
British Airways
6 Apr
IAD17:40Washington, D.C. Dulles Intl
12h 40m
1 stop
SNN11:20Shannon
15 Apr
SNN07:30Shannon
16h 40m
2 stops
IAD19:10Washington, D.C. Dulles Intl
€639
British Airways
11 Mar
IAD19:20Washington, D.C. Dulles Intl
17h 25m
1 stop
SNN16:45Shannon
18 Mar
SNN07:50Shannon
16h 40m
2 stops
IAD20:30Washington, D.C. Dulles Intl
€653

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 15 February 2026.
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

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 6/4

18:00-10:15

1 stop11h 15m

Shannon

Wed 15/4

12:30-17:25

1 stop9h 55m

€512

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Mon 27/4

06:00-10:15

2 stops23h 15m

Shannon

Tue 5/5

12:30-10:04

2 stops26h 34m

€516

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 27/4

20:30-21:35

3 stops20h 05m

Shannon

Tue 5/5

08:00-15:10

3 stops36h 10m

€625

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 11/3

20:40-14:40

2 stops14h 00m

Shannon

Wed 18/3

07:50-19:30

2 stops15h 40m

€629

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 6/4

17:15-11:20

2 stops13h 05m

Shannon

Wed 15/4

21:15-15:45

2 stops23h 30m

€639

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 6/4

17:40-11:20

1 stop12h 40m

Shannon

Wed 15/4

07:30-19:10

2 stops16h 40m

€639

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Sun 12/7

06:17-07:30

1 stop20h 13m

Shannon

Tue 21/7

09:30-21:03

1 stop16h 33m

€645

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 27/5

19:33-11:10

1 stop10h 37m

Shannon

Tue 2/6

13:05-00:46

2 stops16h 41m

€649

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fri 1/5

17:55-11:15

1 stop12h 20m

Shannon

Fri 15/5

12:30-21:11

1 stop13h 41m

€652

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 31/7

11:00-11:10

1 stop19h 10m

Shannon

Sat 8/8

13:05-23:12

1 stop15h 07m

€672

Flights are sorted by cheapest return 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. 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. to Shannon?

United Airlines is the most popular carrier operating from Washington, D.C. to Shannon

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 return 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

8h 50m

Direct flights

None
The fastest flight from Washington, D.C. to Shannon, Clare takes 8h 50m
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.
  • How far is Washington, D.C. to Shannon by plane?

    The straight-line distance from Washington, D.C. to Shannon is 5283.6 km. 8h 50m is a normal flight duration for this route.

  • 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 are refreshed on a daily basis.

  • 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 stopovers. 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 necessary travel and health documents for your Shannon Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Shannon?

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

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Shannon?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Shannon from Washington, D.C..

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Shannon.

I’m not ready to book a flight from Washington, D.C. to Shannon right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Shannon flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Tue 17/3
Tue 24/3