Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. to Shannon from $246

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 1/12. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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.
Search flight deals

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
5:40 pm - 4:10 pm
IAD
-
SNN
17h 30m1 stop
American Airlines Logo
9:15 pm - 5:25 pm
SNN
-
IAD
25h 10m1 stop
$488American Airlines
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
2:12 pm - 11:20 am
IAD
-
SNN
16h 08m2 stops
American Airlines Logo
9:15 pm - 3:50 pm
SNN
-
IAD
23h 35m1 stop
$493American Airlines
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
2:12 pm - 11:20 am
IAD
-
SNN
16h 08m2 stops
American Airlines Logo
7:40 am - 7:36 pm
SNN
-
IAD
16h 56m2 stops
$504American Airlines
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
8:00 pm - 10:15 am
DCA
-
SNN
9h 15m1 stop
United Airlines Logo
12:30 pm - 7:33 pm
SNN
-
DCA
12h 03m1 stop
$506United Airlines
Tue, Apr 14 - Tue, Apr 21
Multiple Airlines Logo
9:30 pm - 4:10 pm
BWI
-
SNN
13h 40m1 stop
Multiple Airlines Logo
7:40 am - 7:40 pm
SNN
-
BWI
17h 00m1 stop
$663Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
5:09 pm - 11:20 am
DCA
-
SNN
13h 11m2 stops
British Airways Logo
7:40 am - 5:29 pm
SNN
-
DCA
14h 49m2 stops
$683British Airways
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
9:17 am - 11:30 am
BWI
-
SNN
21h 13m2 stops
British Airways Logo
7:50 am - 6:45 pm
SNN
-
BWI
15h 55m1 stop
$690British Airways
Wed, Jan 14 - Tue, Jan 20
Multiple Airlines Logo
1:55 pm - 5:25 am
DCA
-
SNN
10h 30m1 stop
Multiple Airlines Logo
9:15 pm - 3:54 pm
SNN
-
DCA
23h 39m2 stops
$737Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Air Canada Logo
6:00 am - 11:30 am
DCA
-
SNN
24h 30m2 stops
Air Canada Logo
7:50 am - 12:19 pm
SNN
-
DCA
33h 29m2 stops
$741Air Canada
Wed, Jan 21 - Sun, Jan 25
Air Canada Logo
12:55 pm - 3:45 pm
DCA
-
SNN
21h 50m2 stops
Air Canada Logo
7:50 am - 10:35 pm
SNN
-
DCA
19h 45m3 stops
$744Air Canada
Fri, Jan 16 - Fri, Jan 23

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 14
IAD5:40 pmWashington, D.C. Dulles Intl
17h 30m
1 stop
SNN4:10 pmShannon
Apr 21
SNN9:15 pmShannon
25h 10m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
$488
Find similar
American Airlines
Apr 14
IAD2:12 pmWashington, D.C. Dulles Intl
16h 08m
2 stops
SNN11:20 amShannon
Apr 21
SNN9:15 pmShannon
23h 35m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$493
Find similar
American Airlines
Apr 14
IAD2:12 pmWashington, D.C. Dulles Intl
16h 08m
2 stops
SNN11:20 amShannon
Apr 21
SNN7:40 amShannon
16h 56m
2 stops
IAD7:36 pmWashington, D.C. Dulles Intl
$504
Find similar

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
Apr 14
DCA8:00 pmWashington, D.C. Reagan-National
9h 15m
1 stop
SNN10:15 amShannon
Apr 21
SNN12:30 pmShannon
12h 03m
1 stop
DCA7:33 pmWashington, D.C. Reagan-National
$506
Find similar
United Airlines
May 17
DCA7:00 pmWashington, D.C. Reagan-National
10h 15m
1 stop
SNN10:15 amShannon
May 29
SNN9:30 amShannon
16h 13m
1 stop
DCA8:43 pmWashington, D.C. Reagan-National
$809
Find similar
United Airlines
May 17
IAD5:20 pmWashington, D.C. Dulles Intl
11h 55m
1 stop
SNN10:15 amShannon
May 29
SNN9:30 amShannon
11h 31m
1 stop
IAD4:01 pmWashington, D.C. Dulles Intl
$835
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 4, 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 4/14

5:40 pm-4:10 pm

1 stop17h 30m

Shannon

Tue 4/21

9:15 pm-5:25 pm

1 stop25h 10m

$488

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 4/14

2:12 pm-11:20 am

2 stops16h 08m

Shannon

Tue 4/21

9:15 pm-3:50 pm

1 stop23h 35m

$493

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 4/14

2:12 pm-11:20 am

2 stops16h 08m

Shannon

Tue 4/21

7:40 am-7:36 pm

2 stops16h 56m

$504

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 4/14

8:00 pm-10:15 am

1 stop9h 15m

Shannon

Tue 4/21

12:30 pm-7:33 pm

1 stop12h 03m

$506

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 4/14

9:30 pm-4:10 pm

1 stop13h 40m

Shannon

Tue 4/21

7:40 am-7:40 pm

1 stop17h 00m

$663

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 4/14

5:09 pm-11:20 am

2 stops13h 11m

Shannon

Tue 4/21

7:40 am-5:29 pm

2 stops14h 49m

$683

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 1/14

9:17 am-11:30 am

2 stops21h 13m

Shannon

Tue 1/20

7:50 am-6:45 pm

1 stop15h 55m

$690

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 4/14

1:55 pm-5:25 am

1 stop10h 30m

Shannon

Tue 4/21

9:15 pm-3:54 pm

2 stops23h 39m

$737

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 1/21

6:00 am-11:30 am

2 stops24h 30m

Shannon

Sun 1/25

7:50 am-12:19 pm

2 stops33h 29m

$741

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 1/16

12:55 pm-3:45 pm

2 stops21h 50m

Shannon

Fri 1/23

7:50 am-10:35 pm

3 stops19h 45m

$744

Flights are sorted by cheapest round-trip 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 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

Fastest flight time

9h 15m

Direct flights

None
The fastest flight from Washington, D.C. to Shannon, Clare takes 9h 15m
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 9h 15m.

  • 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
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
9,064 reviews
Search United Airlines flights
KLMPriceFrom $643Free CancellationRating
7.7
1,428 reviews
Search KLM flights
British AirwaysPriceFrom $796Free CancellationRating
6.7
7,559 reviews
Search British Airways flights
American AirlinesPriceFrom $892Free CancellationRating
7.2
11,043 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
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.

An easier way to manage your Shannon, Clare trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/3
Sat 1/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland