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Cheap flights from Washington, D.C. Dulles Intl Airport to Shannon from $328

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 7/5. 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
1 adult, Economy, 0 bags

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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.
United Airlines Logo
5:45 pm - 10:15 am
IAD
-
SNN
11h 30m
1 stop
United Airlines Logo
9:30 am - 4:02 pm
SNN
-
IAD
11h 32m
1 stop
$727United Airlines
Mon, Aug 17 - Tue, Aug 25
United Airlines Logo
3:39 pm - 7:30 am
IAD
-
SNN
10h 51m
1 stop
United Airlines Logo
9:30 am - 5:37 pm
SNN
-
IAD
13h 07m
1 stop
$767United Airlines
Sat, Aug 8 - Fri, Aug 21
Multiple Airlines Logo
2:54 pm - 11:10 am
IAD
-
SNN
15h 16m
2 stops
Multiple Airlines Logo
1:05 pm - 6:33 pm
SNN
-
IAD
10h 28m
1 stop
$772Multiple Airlines
Sat, Aug 8 - Fri, Aug 21
KLM Logo
7:15 pm - 11:10 am
IAD
-
SNN
10h 55m
1 stop
KLM Logo
1:05 pm - 7:16 pm
SNN
-
IAD
11h 11m
1 stop
$776KLM
Tue, Sep 1 - Tue, Sep 8
Air France Logo
12:30 pm - 11:10 am
IAD
-
SNN
17h 40m
2 stops
Air France Logo
1:05 pm - 12:10 am
SNN
-
IAD
16h 05m
2 stops
$781Air France
Tue, Sep 1 - Tue, Sep 8
Delta Logo
7:59 pm - 11:10 am
IAD
-
SNN
10h 11m
1 stop
Delta Logo
1:05 pm - 11:49 am
SNN
-
IAD
27h 44m
1 stop
$801Delta
Sat, Jul 4 - Mon, Jul 20
Lufthansa Logo
3:39 pm - 7:30 am
IAD
-
SNN
10h 51m
1 stop
Lufthansa Logo
9:30 am - 7:02 pm
SNN
-
IAD
14h 32m
1 stop
$806Lufthansa
Wed, Jul 15 - Wed, Jul 22
United Airlines Logo
3:39 pm - 7:30 am
IAD
-
SNN
10h 51m
1 stop
United Airlines Logo
9:30 am - 4:30 pm
SNN
-
IAD
12h 00m
1 stop
$807United Airlines
Sun, Jul 12 - Tue, Jul 21
Delta Logo
12:39 pm - 11:10 am
IAD
-
SNN
17h 31m
2 stops
Delta Logo
1:05 pm - 6:19 pm
SNN
-
IAD
10h 14m
1 stop
$812Delta
Sun, Jul 12 - Thu, Jul 23
United Airlines Logo
10:20 pm - 7:30 am
IAD
-
SNN
28h 10m
1 stop
United Airlines Logo
9:30 am - 9:22 pm
SNN
-
IAD
16h 52m
1 stop
$813United Airlines
Thu, Jul 16 - Thu, Jul 23

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Shannon, Clare flight tickets
United Airlines
Aug 17
IAD5:45 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
SNN10:15 amShannon
Aug 25
SNN9:30 amShannon
11h 32m
1 stop
IAD4:02 pmWashington, D.C. Dulles Intl
$727
United Airlines
Aug 8
IAD3:39 pmWashington, D.C. Dulles Intl
10h 51m
1 stop
SNN7:30 amShannon
Aug 21
SNN9:30 amShannon
13h 07m
1 stop
IAD5:37 pmWashington, D.C. Dulles Intl
$767
United Airlines
Jul 12
IAD5:42 pmWashington, D.C. Dulles Intl
11h 33m
1 stop
SNN10:15 amShannon
Jul 23
SNN9:30 amShannon
12h 00m
1 stop
IAD4:30 pmWashington, D.C. Dulles Intl
$807

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

Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Shannon, Clare flight tickets
Aer Lingus
Aug 14
IAD5:15 pmWashington, D.C. Dulles Intl
17h 35m
2 stops
SNN3:50 pmShannon
Aug 23
SNN9:15 pmShannon
27h 10m
2 stops
IAD7:25 pmWashington, D.C. Dulles Intl
$958
Aer Lingus
Jul 16
IAD5:15 pmWashington, D.C. Dulles Intl
13h 05m
2 stops
SNN11:20 amShannon
Jul 23
SNN9:15 pmShannon
23h 30m
2 stops
IAD3:45 pmWashington, D.C. Dulles Intl
$964
Aer Lingus
Aug 14
IAD10:25 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
SNN3:50 pmShannon
Aug 23
SNN9:15 pmShannon
23h 30m
2 stops
IAD3:45 pmWashington, D.C. Dulles Intl
$975

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 June 4, 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

Cheapest round-trip

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 8/17

5:45 pm-10:15 am

1 stop11h 30m

Shannon

Tue 8/25

9:30 am-4:02 pm

1 stop11h 32m

$727

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 8/8

3:39 pm-7:30 am

1 stop10h 51m

Shannon

Fri 8/21

9:30 am-5:37 pm

1 stop13h 07m

$767

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 8/8

2:54 pm-11:10 am

2 stops15h 16m

Shannon

Fri 8/21

1:05 pm-6:33 pm

1 stop10h 28m

$772
Quickest round-trip

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/1

7:15 pm-11:10 am

1 stop10h 55m

Shannon

Tue 9/8

1:05 pm-7:16 pm

1 stop11h 11m

$776

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/1

12:30 pm-11:10 am

2 stops17h 40m

Shannon

Tue 9/8

1:05 pm-12:10 am

2 stops16h 05m

$781

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 7/4

7:59 pm-11:10 am

1 stop10h 11m

Shannon

Mon 7/20

1:05 pm-11:49 am

1 stop27h 44m

$801

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 7/15

3:39 pm-7:30 am

1 stop10h 51m

Shannon

Wed 7/22

9:30 am-7:02 pm

1 stop14h 32m

$806

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/12

3:39 pm-7:30 am

1 stop10h 51m

Shannon

Tue 7/21

9:30 am-4:30 pm

1 stop12h 00m

$807

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/12

12:39 pm-11:10 am

2 stops17h 31m

Shannon

Thu 7/23

1:05 pm-6:19 pm

1 stop10h 14m

$812

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 7/16

10:20 pm-7:30 am

1 stop28h 10m

Shannon

Thu 7/23

9:30 am-9:22 pm

1 stop16h 52m

$813

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Shannon from

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 is the cheapest airline that flies from Washington, D.C. Dulles Intl to Shannon?

United Airlines and Air France are the most popular carriers operating from Washington, D.C. Dulles Intl to Shannon

What airlines fly to Shannon, Clare?

Delta, American Airlines 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. Delta is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 3 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 51m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare takes 10h 51m
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

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Shannon, Clare

  • 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 51m.

  • 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
7.8
8,395 reviews
Search Delta flights
American AirlinesPriceFrom $489Free CancellationRating
7.1
11,641 reviews
Search American Airlines flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
9,773 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
Ennis
Bunratty
Adare
Lahinch
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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