Cheap flights from Washington, D.C. to Shannon from €450

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 21/5. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
21:30 - 20:35BWI-SNN
18h 05m1 stop
American Airlines Logo
07:40 - 19:40SNN-BWI
17h 00m1 stop
€509American Airlines
Find Deal
Tue, 14 Apr - Tue, 21 Apr
American Airlines Logo
17:40 - 11:20IAD-SNN
12h 40m1 stop
American Airlines Logo
21:15 - 20:20SNN-IAD
28h 05m1 stop
€509American Airlines
Find Deal
Tue, 14 Apr - Tue, 21 Apr
American Airlines Logo
17:40 - 11:20IAD-SNN
12h 40m1 stop
American Airlines Logo
07:40 - 17:25SNN-IAD
14h 45m1 stop
€510American Airlines
Find Deal
Tue, 21 Apr - Wed, 29 Apr
American Airlines Logo
18:10 - 16:10BWI-SNN
17h 00m2 stops
American Airlines Logo
07:40 - 19:40SNN-BWI
17h 00m1 stop
€516American Airlines
Find Deal
Tue, 14 Apr - Tue, 21 Apr
Multiple Airlines Logo
19:40 - 21:30IAD-SNN
20h 50m2 stops
Multiple Airlines Logo
07:50 - 18:30SNN-IAD
15h 40m2 stops
€549Multiple Airlines
Find Deal
Tue, 6 Jan - Tue, 13 Jan
Multiple Airlines Logo
19:40 - 14:10BWI-SNN
13h 30m2 stops
Multiple Airlines Logo
17:30 - 18:40SNN-BWI
30h 10m2 stops
€582Multiple Airlines
Find Deal
Mon, 5 Jan - Mon, 12 Jan
British Airways Logo
17:09 - 11:20DCA-SNN
13h 11m2 stops
British Airways Logo
07:40 - 17:29SNN-DCA
14h 49m2 stops
€668British Airways
Find Deal
Tue, 14 Apr - Tue, 21 Apr
British Airways Logo
20:45 - 11:30DCA-SNN
33h 45m2 stops
British Airways Logo
17:30 - 17:08SNN-DCA
28h 38m2 stops
€695British Airways
Find Deal
Tue, 6 Jan - Tue, 13 Jan
Air Canada Logo
11:05 - 11:20DCA-SNN
19h 15m2 stops
Air Canada Logo
21:15 - 12:01SNN-DCA
43h 46m2 stops
€714Air Canada
Find Deal
Sun, 29 Mar - Sun, 5 Apr
Air Canada Logo
06:00 - 11:30DCA-SNN
25h 30m2 stops
Air Canada Logo
07:50 - 08:55SNN-DCA
29h 05m2 stops
€732Air Canada
Find Deal
Fri, 20 Mar - Fri, 27 Mar

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
14 Apr
BWI21:30Baltimore/Washington
18h 05m
1 stop
SNN20:35Shannon
21 Apr
SNN07:40Shannon
17h 00m
1 stop
BWI19:40Baltimore/Washington
American Airlines
21 Apr
IAD17:40Washington, D.C. Dulles Intl
12h 40m
1 stop
SNN11:20Shannon
29 Apr
SNN07:40Shannon
14h 45m
1 stop
IAD17:25Washington, D.C. Dulles Intl
American Airlines
14 Apr
BWI18:10Baltimore/Washington
17h 00m
2 stops
SNN16:10Shannon
21 Apr
SNN07:40Shannon
17h 00m
1 stop
BWI19:40Baltimore/Washington

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
14 Apr
DCA17:09Washington, D.C. Reagan-National
13h 11m
2 stops
SNN11:20Shannon
21 Apr
SNN07:40Shannon
14h 49m
2 stops
DCA17:29Washington, D.C. Reagan-National
British Airways
6 Jan
IAD21:45Washington, D.C. Dulles Intl
14h 00m
1 stop
SNN16:45Shannon
13 Jan
SNN20:05Shannon
24h 30m
2 stops
IAD15:35Washington, D.C. Dulles Intl
British Airways
5 Jan
IAD17:05Washington, D.C. Dulles Intl
13h 25m
2 stops
SNN11:30Shannon
12 Jan
SNN17:30Shannon
27h 05m
1 stop
IAD15:35Washington, D.C. Dulles Intl

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 22 November 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

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 14/4

21:30-20:35

1 stop18h 05m

Shannon

Tue 21/4

07:40-19:40

1 stop17h 00m

€509

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 14/4

17:40-11:20

1 stop12h 40m

Shannon

Tue 21/4

21:15-20:20

1 stop28h 05m

€509

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 21/4

17:40-11:20

1 stop12h 40m

Shannon

Wed 29/4

07:40-17:25

1 stop14h 45m

€510

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 14/4

18:10-16:10

2 stops17h 00m

Shannon

Tue 21/4

07:40-19:40

1 stop17h 00m

€516

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 6/1

19:40-21:30

2 stops20h 50m

Shannon

Tue 13/1

07:50-18:30

2 stops15h 40m

€549

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Mon 5/1

19:40-14:10

2 stops13h 30m

Shannon

Mon 12/1

17:30-18:40

2 stops30h 10m

€582

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 14/4

17:09-11:20

2 stops13h 11m

Shannon

Tue 21/4

07:40-17:29

2 stops14h 49m

€668

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 6/1

20:45-11:30

2 stops33h 45m

Shannon

Tue 13/1

17:30-17:08

2 stops28h 38m

€695

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 29/3

11:05-11:20

2 stops19h 15m

Shannon

Sun 5/4

21:15-12:01

2 stops43h 46m

€714

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 20/3

06:00-11:30

2 stops25h 30m

Shannon

Fri 27/3

07:50-08:55

2 stops29h 05m

€732

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Washington, D.C. and Shannon, Clare?

What is the cheapest month to fly to Shannon, Clare?

The month of December is another great option to travel to Shannon, Clare, with average flight prices from Washington, D.C. averaging around €610.

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

Direct flights

None
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
Nenagh
Tipperary
Adare
Killaloe
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.

An easier way to manage your Shannon, Clare trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 22/12
Mon 29/12