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Cheap flights from Washington, D.C. Dulles Intl Airport to Shannon from $335

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. Dulles Intl Airport to Shannon departing on 3/15. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Shannon

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:40 pm - 9:30 pm
IAD
-
SNN
20h 50m
2 stops
Multiple Airlines Logo
4:50 pm - 7:20 pm
SNN
-
IAD
31h 30m
2 stops
$663Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
7:40 pm - 9:30 pm
IAD
-
SNN
20h 50m
2 stops
Multiple Airlines Logo
5:30 pm - 7:30 pm
SNN
-
IAD
30h 00m
2 stops
$676Multiple Airlines
Tue, Mar 3 - Wed, Mar 11
Multiple Airlines Logo
7:40 pm - 2:40 pm
IAD
-
SNN
14h 00m
2 stops
Multiple Airlines Logo
7:50 am - 7:30 pm
SNN
-
IAD
15h 40m
2 stops
$678Multiple Airlines
Wed, Mar 4 - Thu, Mar 12
Multiple Airlines Logo
7:40 pm - 2:40 pm
IAD
-
SNN
14h 00m
2 stops
Multiple Airlines Logo
5:30 pm - 7:30 pm
SNN
-
IAD
30h 00m
2 stops
$680Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
7:59 pm - 11:10 am
IAD
-
SNN
10h 11m
1 stop
Multiple Airlines Logo
1:05 pm - 7:16 pm
SNN
-
IAD
11h 11m
1 stop
$687Multiple Airlines
Tue, Jul 28 - Tue, Aug 11
KLM Logo
1:00 pm - 11:10 am
IAD
-
SNN
17h 10m
2 stops
KLM Logo
1:05 pm - 7:16 pm
SNN
-
IAD
11h 11m
1 stop
$691KLM
Tue, Jul 28 - Tue, Aug 11
Aer Lingus Logo
8:40 pm - 4:10 pm
IAD
-
SNN
14h 30m
2 stops
Aer Lingus Logo
9:15 pm - 7:10 pm
SNN
-
IAD
26h 55m
2 stops
$750Aer Lingus
Mon, Apr 6 - Wed, Apr 15
Multiple Airlines Logo
9:45 am - 11:35 pm
IAD
-
SNN
32h 50m
3 stops
Multiple Airlines Logo
3:05 pm - 9:05 pm
SNN
-
IAD
34h 00m
2 stops
$752Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
British Airways Logo
5:40 pm - 4:10 pm
IAD
-
SNN
17h 30m
1 stop
British Airways Logo
7:30 am - 7:10 pm
SNN
-
IAD
16h 40m
2 stops
$757British Airways
Mon, Apr 6 - Wed, Apr 15
United Airlines Logo
6:15 am - 7:30 am
IAD
-
SNN
20h 15m
1 stop
United Airlines Logo
9:30 am - 4:26 pm
SNN
-
IAD
11h 56m
1 stop
$766United Airlines
Sun, Jul 12 - Tue, Jul 21

British Airways flights from Washington, D.C. Dulles Intl Airport to Shannon, Clare

Our best British Airways deals on Washington, D.C. Dulles Intl Airport to Shannon, Clare flight tickets
British Airways
Apr 6
IAD5:40 pmWashington, D.C. Dulles Intl
17h 30m
1 stop
SNN4:10 pmShannon
Apr 15
SNN7:30 amShannon
16h 40m
2 stops
IAD7:10 pmWashington, D.C. Dulles Intl
$757
British Airways
Mar 4
IAD6:20 pmWashington, D.C. Dulles Intl
12h 10m
1 stop
SNN11:30 amShannon
Mar 12
SNN7:50 amShannon
17h 05m
1 stop
IAD8:55 pmWashington, D.C. Dulles Intl
$767
British Airways
Mar 3
IAD9:45 pmWashington, D.C. Dulles Intl
16h 40m
1 stop
SNN7:25 pmShannon
Mar 11
SNN8:05 pmShannon
24h 30m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
$774

KLM flights from Washington, D.C. Dulles Intl Airport to Shannon, Clare

Our best KLM deals on Washington, D.C. Dulles Intl Airport to Shannon, Clare flight tickets
KLM
Jul 28
IAD1:00 pmWashington, D.C. Dulles Intl
17h 10m
2 stops
SNN11:10 amShannon
Aug 11
SNN1:05 pmShannon
11h 11m
1 stop
IAD7:16 pmWashington, D.C. Dulles Intl
$691
KLM
May 26
IAD12:40 pmWashington, D.C. Dulles Intl
17h 30m
2 stops
SNN11:10 amShannon
Jun 10
SNN1:05 pmShannon
16h 04m
2 stops
IAD12:09 amWashington, D.C. Dulles Intl
$770
KLM
Jul 12
IAD12:30 pmWashington, D.C. Dulles Intl
17h 40m
1 stop
SNN11:10 amShannon
Jul 21
SNN1:05 pmShannon
16h 04m
2 stops
IAD12:09 amWashington, D.C. Dulles Intl
$815

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 February 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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 3/24

8:40 pm-9:30 pm

2 stops20h 50m

Shannon

Tue 3/31

4:50 pm-7:20 pm

2 stops31h 30m

$663

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 3/3

7:40 pm-9:30 pm

2 stops20h 50m

Shannon

Wed 3/11

5:30 pm-7:30 pm

2 stops30h 00m

$676

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 3/4

7:40 pm-2:40 pm

2 stops14h 00m

Shannon

Thu 3/12

7:50 am-7:30 pm

2 stops15h 40m

$678

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 3/4

7:40 pm-2:40 pm

2 stops14h 00m

Shannon

Wed 3/11

5:30 pm-7:30 pm

2 stops30h 00m

$680

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 7/28

7:59 pm-11:10 am

1 stop10h 11m

Shannon

Tue 8/11

1:05 pm-7:16 pm

1 stop11h 11m

$687

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 7/28

1:00 pm-11:10 am

2 stops17h 10m

Shannon

Tue 8/11

1:05 pm-7:16 pm

1 stop11h 11m

$691

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 4/6

8:40 pm-4:10 pm

2 stops14h 30m

Shannon

Wed 4/15

9:15 pm-7:10 pm

2 stops26h 55m

$750

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 3/5

9:45 am-11:35 pm

3 stops32h 50m

Shannon

Thu 3/12

3:05 pm-9:05 pm

2 stops34h 00m

$752

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 4/6

5:40 pm-4:10 pm

1 stop17h 30m

Shannon

Wed 4/15

7:30 am-7:10 pm

2 stops16h 40m

$757

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/12

6:15 am-7:30 am

1 stop20h 15m

Shannon

Tue 7/21

9:30 am-4:26 pm

1 stop11h 56m

$766

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. Dulles Intl Airport 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 airlines fly to Shannon, Clare?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Shannon, Clare from Washington, D.C. Dulles Intl Airport according to our data. American Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 4 different airlines that fly to Shannon, Clare on a routine basis, so you have a few additional options to choose from.

When to book flights from Washington, D.C. Dulles Intl Airport to Shannon, Clare

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Shannon, Clare (IAD to SNN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare

Fastest flight time

10h 11m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare takes 10h 11m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Shannon, Clare. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Shannon, Clare.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Shannon by plane?

    There are 3298.1 mi between Washington, D.C. Dulles Intl and Shannon. In terms of flight time, this usually takes a little over 10h 11m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Shannon Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Shannon Airport are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Shannon Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Shannon Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The required travel and health documents for your Shannon Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Shannon Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Shannon, Clare?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Shannon, Clare

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Shannon, Clare with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $157Free CancellationRating
7.9
8,172 reviews
Search Delta flights
American AirlinesPriceFrom $489Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights
KLMPriceFrom $643Free CancellationRating
7.7
1,450 reviews
Search KLM flights
United AirlinesPriceFrom $646Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights

Traveling to a place near Shannon?

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

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. momondo enables you to select and highlight flights to Shannon from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Shannon?

Once you have performed a search for Washington, D.C. to Shannon flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Washington, D.C. to Shannon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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