Cheap flights from Washington, D.C. to Shannon from $531

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.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:40 pm - 4:10 pmIAD-SNN
17h 30m1 stop
American Airlines Logo
7:40 am - 3:50 pmSNN-IAD
13h 10m1 stop
$588American Airlines
Find Deal
Mon, Apr 27 - Wed, May 6
American Airlines Logo
1:59 pm - 11:30 amDCA-SNN
16h 31m2 stops
American Airlines Logo
7:50 am - 10:03 pmSNN-DCA
19h 13m2 stops
$602American Airlines
Find Deal
Sun, Jan 11 - Tue, Jan 27
United Airlines Logo
7:00 pm - 10:15 amDCA-SNN
10h 15m1 stop
United Airlines Logo
12:30 pm - 7:33 pmSNN-DCA
12h 03m1 stop
$606United Airlines
Find Deal
Mon, Apr 27 - Wed, May 6
United Airlines Logo
6:30 am - 10:15 amBWI-SNN
22h 45m2 stops
United Airlines Logo
12:30 pm - 10:19 amSNN-BWI
26h 49m2 stops
$611United Airlines
Find Deal
Mon, Apr 27 - Wed, May 6
Multiple Airlines Logo
7:40 pm - 9:30 pmIAD-SNN
20h 50m2 stops
Multiple Airlines Logo
5:30 pm - 6:30 pmSNN-IAD
30h 00m2 stops
$627Multiple Airlines
Find Deal
Tue, Jan 6 - Tue, Jan 13
American Airlines Logo
9:45 pm - 4:45 pmIAD-SNN
14h 00m1 stop
American Airlines Logo
7:50 am - 7:55 pmSNN-IAD
17h 05m1 stop
$671American Airlines
Find Deal
Tue, Jan 6 - Tue, Jan 13
British Airways Logo
8:35 pm - 4:45 pmBWI-SNN
15h 10m1 stop
British Airways Logo
5:30 pm - 5:04 pmSNN-BWI
28h 34m2 stops
$758British Airways
Find Deal
Wed, Feb 11 - Sun, Feb 15
British Airways Logo
9:17 am - 4:45 pmBWI-SNN
26h 28m2 stops
British Airways Logo
8:05 pm - 5:04 pmSNN-BWI
25h 59m2 stops
$768British Airways
Find Deal
Wed, Feb 11 - Sun, Feb 15
Air Canada Logo
11:05 am - 11:30 amDCA-SNN
19h 25m2 stops
Air Canada Logo
5:30 pm - 9:58 pmSNN-DCA
33h 28m2 stops
$788Air Canada
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Sun, Feb 22 - Tue, Mar 3
Air Canada Logo
6:50 pm - 11:30 amDCA-SNN
35h 40m2 stops
Air Canada Logo
7:50 am - 9:58 pmSNN-DCA
19h 08m2 stops
$794Air Canada
Find Deal
Sat, Feb 21 - Tue, Mar 3

Aer Lingus flights from Washington, D.C. to Shannon, Clare

Our best Aer Lingus deals on Washington, D.C. to Shannon, Clare flight tickets
Aer Lingus
Jan 1
IAD5:05 pmWashington, D.C. Dulles Intl
21h 20m
2 stops
SNN7:25 pmShannon
Jan 8
SNN8:05 pmShannon
24h 30m
2 stops
IAD3:35 pmWashington, D.C. Dulles Intl
Aer Lingus
Jan 4
IAD9:00 pmWashington, D.C. Dulles Intl
17h 25m
2 stops
SNN7:25 pmShannon
Jan 11
SNN8:05 pmShannon
24h 30m
2 stops
IAD3:35 pmWashington, D.C. Dulles Intl
Aer Lingus
Feb 21
IAD6:20 pmWashington, D.C. Dulles Intl
12h 10m
1 stop
SNN11:30 amShannon
Mar 2
SNN8:05 pmShannon
28h 50m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl

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
Apr 27
IAD5:40 pmWashington, D.C. Dulles Intl
17h 30m
1 stop
SNN4:10 pmShannon
May 6
SNN7:40 amShannon
13h 10m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
American Airlines
Jan 11
DCA1:59 pmWashington, D.C. Reagan-National
16h 31m
2 stops
SNN11:30 amShannon
Jan 27
SNN7:50 amShannon
19h 13m
2 stops
DCA10:03 pmWashington, D.C. Reagan-National
American Airlines
Jan 6
IAD9:45 pmWashington, D.C. Dulles Intl
14h 00m
1 stop
SNN4:45 pmShannon
Jan 13
SNN7:50 amShannon
17h 05m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl

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 20, 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

Mon 4/27

5:40 pm-4:10 pm

1 stop17h 30m

Shannon

Wed 5/6

7:40 am-3:50 pm

1 stop13h 10m

$588

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 1/11

1:59 pm-11:30 am

2 stops16h 31m

Shannon

Tue 1/27

7:50 am-10:03 pm

2 stops19h 13m

$602

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 4/27

7:00 pm-10:15 am

1 stop10h 15m

Shannon

Wed 5/6

12:30 pm-7:33 pm

1 stop12h 03m

$606

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Mon 4/27

6:30 am-10:15 am

2 stops22h 45m

Shannon

Wed 5/6

12:30 pm-10:19 am

2 stops26h 49m

$611

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 1/6

7:40 pm-9:30 pm

2 stops20h 50m

Shannon

Tue 1/13

5:30 pm-6:30 pm

2 stops30h 00m

$627

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 1/6

9:45 pm-4:45 pm

1 stop14h 00m

Shannon

Tue 1/13

7:50 am-7:55 pm

1 stop17h 05m

$671

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 2/11

8:35 pm-4:45 pm

1 stop15h 10m

Shannon

Sun 2/15

5:30 pm-5:04 pm

2 stops28h 34m

$758

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 2/11

9:17 am-4:45 pm

2 stops26h 28m

Shannon

Sun 2/15

8:05 pm-5:04 pm

2 stops25h 59m

$768

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 2/22

11:05 am-11:30 am

2 stops19h 25m

Shannon

Tue 3/3

5:30 pm-9:58 pm

2 stops33h 28m

$788

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 2/21

6:50 pm-11:30 am

2 stops35h 40m

Shannon

Tue 3/3

7:50 am-9:58 pm

2 stops19h 08m

$794

Flights are sorted by cheapest round-trip flights 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 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.
  • 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 8h 50m.

  • 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
8,002 reviews
Search Delta flights
KLMPriceFrom $643Free CancellationRating
7.7
1,412 reviews
Search KLM flights
United AirlinesPriceFrom $646Free CancellationRating
7.4
9,027 reviews
Search United Airlines flights
British AirwaysPriceFrom $796Free CancellationRating
6.7
7,534 reviews
Search British Airways flights
American AirlinesPriceFrom $892Free CancellationRating
7.2
11,045 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

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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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1 adult
Sat 12/20
Sat 12/27

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