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Cheap flights from Washington, D.C. to Shannon from $400

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 4/1. 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 amIAD-SNN
12h 10m1 stop
American Airlines Logo
7:50 am - 7:55 pmSNN-IAD
17h 05m1 stop
$539American Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
American Airlines Logo
2:16 pm - 11:30 amIAD-SNN
16h 14m2 stops
American Airlines Logo
7:50 am - 7:55 pmSNN-IAD
17h 05m1 stop
$544American Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
American Airlines Logo
2:16 pm - 11:30 amIAD-SNN
16h 14m2 stops
American Airlines Logo
7:50 am - 12:01 amSNN-IAD
21h 11m2 stops
$557American Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
American Airlines Logo
6:20 pm - 4:45 pmIAD-SNN
17h 25m1 stop
American Airlines Logo
7:50 am - 7:55 pmSNN-IAD
17h 05m1 stop
$589American Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
Multiple Airlines Logo
7:30 am - 6:20 amBWI-SNN
17h 50m2 stops
Multiple Airlines Logo
2:45 pm - 9:22 amSNN-BWI
23h 37m2 stops
$595Multiple Airlines
Find Deal
Mon, Nov 24 - Tue, Dec 9
Air Canada Logo
9:45 am - 4:45 pmIAD-SNN
26h 00m2 stops
Air Canada Logo
7:50 am - 8:59 pmSNN-IAD
18h 09m2 stops
$649Air Canada
Find Deal
Mon, Nov 24 - Tue, Dec 9
Multiple Airlines Logo
11:05 am - 11:30 amDCA-SNN
19h 25m2 stops
Multiple Airlines Logo
7:50 am - 7:45 pmSNN-DCA
16h 55m2 stops
$697Multiple Airlines
Find Deal
Mon, Nov 24 - Tue, Dec 9
British Airways Logo
11:09 am - 11:30 amBWI-SNN
19h 21m2 stops
British Airways Logo
7:50 am - 6:45 pmSNN-BWI
15h 55m1 stop
$701British Airways
Find Deal
Wed, Dec 3 - Wed, Dec 10
British Airways Logo
8:35 pm - 7:25 pmBWI-SNN
17h 50m1 stop
British Airways Logo
7:50 am - 11:33 pmSNN-BWI
20h 43m2 stops
$707British Airways
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Tue, Dec 9 - Tue, Dec 16
United Airlines Logo
8:00 pm - 10:15 amDCA-SNN
9h 15m1 stop
United Airlines Logo
12:30 pm - 6:23 pmSNN-DCA
10h 53m1 stop
$782United Airlines
Find Deal
Fri, Apr 3 - Mon, Apr 6

Air Canada flights from Washington, D.C. to Shannon, Clare

Our best Air Canada deals on Washington, D.C. to Shannon, Clare flight tickets
Air Canada
Nov 24
IAD9:45 amWashington, D.C. Dulles Intl
26h 00m
2 stops
SNN4:45 pmShannon
Dec 9
SNN7:50 amShannon
18h 09m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
$649
Find similar
Air Canada
Nov 24
IAD4:30 pmWashington, D.C. Dulles Intl
14h 00m
2 stops
SNN11:30 amShannon
Dec 9
SNN7:50 amShannon
18h 09m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
$660
Find similar
Air Canada
Dec 10
DCA4:10 pmWashington, D.C. Reagan-National
14h 20m
2 stops
SNN11:30 amShannon
Dec 17
SNN8:05 pmShannon
30h 51m
2 stops
DCA9:56 pmWashington, D.C. Reagan-National
$909
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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
Dec 3
IAD6:20 pmWashington, D.C. Dulles Intl
12h 10m
1 stop
SNN11:30 amShannon
Dec 7
SNN7:50 amShannon
17h 05m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
$539
Find similar
American Airlines
Dec 3
IAD2:16 pmWashington, D.C. Dulles Intl
16h 14m
2 stops
SNN11:30 amShannon
Dec 7
SNN7:50 amShannon
17h 05m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
$544
Find similar
American Airlines
Dec 3
IAD2:16 pmWashington, D.C. Dulles Intl
16h 14m
2 stops
SNN11:30 amShannon
Dec 7
SNN7:50 amShannon
21h 11m
2 stops
IAD12:01 amWashington, D.C. Dulles Intl
$557
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 November 13, 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

Wed 12/3

6:20 pm-11:30 am

1 stop12h 10m

Shannon

Sun 12/7

7:50 am-7:55 pm

1 stop17h 05m

$539

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 12/3

2:16 pm-11:30 am

2 stops16h 14m

Shannon

Sun 12/7

7:50 am-7:55 pm

1 stop17h 05m

$544

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 12/3

2:16 pm-11:30 am

2 stops16h 14m

Shannon

Sun 12/7

7:50 am-12:01 am

2 stops21h 11m

$557

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 1/15

6:20 pm-4:45 pm

1 stop17h 25m

Shannon

Mon 1/19

7:50 am-7:55 pm

1 stop17h 05m

$589

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Mon 11/24

7:30 am-6:20 am

2 stops17h 50m

Shannon

Tue 12/9

2:45 pm-9:22 am

2 stops23h 37m

$595

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 11/24

9:45 am-4:45 pm

2 stops26h 00m

Shannon

Tue 12/9

7:50 am-8:59 pm

2 stops18h 09m

$649

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 11/24

11:05 am-11:30 am

2 stops19h 25m

Shannon

Tue 12/9

7:50 am-7:45 pm

2 stops16h 55m

$697

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 12/3

11:09 am-11:30 am

2 stops19h 21m

Shannon

Wed 12/10

7:50 am-6:45 pm

1 stop15h 55m

$701

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 12/9

8:35 pm-7:25 pm

1 stop17h 50m

Shannon

Tue 12/16

7:50 am-11:33 pm

2 stops20h 43m

$707

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 4/3

8:00 pm-10:15 am

1 stop9h 15m

Shannon

Mon 4/6

12:30 pm-6:23 pm

1 stop10h 53m

$782

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between Washington, D.C. and Shannon, Clare?

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

In general, August is the cheapest month to fly from Washington, D.C. to Shannon, Clare. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $693. If you are unable to visit Shannon, Clare during the month of August, then departing from Washington, D.C. during the month December is also very affordable. Most momondo users find prices during this month for around $703.

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

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.
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  • 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 05m.

  • 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
8,007 reviews
Search Delta flights
KLMPriceFrom $643Free CancellationRating
7.7
1,410 reviews
Search KLM flights
United AirlinesPriceFrom $646Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
British AirwaysPriceFrom $796Free CancellationRating
6.7
7,516 reviews
Search British Airways flights
American AirlinesPriceFrom $892Free CancellationRating
7.2
11,050 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
Lahinch
Ennis
Nenagh

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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