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Cheap flights from Washington, D.C. Dulles Intl Airport to Shannon from $368

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 9/24. 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.
United Airlines Logo
3:40 pm - 7:30 am
IAD
-
SNN
10h 50m
1 stop
United Airlines Logo
9:30 am - 5:37 pm
SNN
-
IAD
13h 07m
1 stop
$825United Airlines
Tue, Sep 8 - Wed, Sep 16
United Airlines Logo
5:42 pm - 10:15 am
IAD
-
SNN
11h 33m
1 stop
United Airlines Logo
9:30 am - 5:37 pm
SNN
-
IAD
13h 07m
1 stop
$827United Airlines
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
8:30 pm - 11:35 pm
IAD
-
SNN
22h 05m
3 stops
Multiple Airlines Logo
6:30 am - 8:05 pm
SNN
-
IAD
42h 35m
3 stops
$873Multiple Airlines
Tue, Sep 8 - Fri, Sep 18
United Airlines Logo
5:42 pm - 10:15 am
IAD
-
SNN
11h 33m
1 stop
United Airlines Logo
12:30 pm - 10:59 pm
SNN
-
IAD
15h 29m
1 stop
$875United Airlines
Tue, Sep 1 - Mon, Sep 7
United Airlines Logo
3:40 pm - 7:30 am
IAD
-
SNN
10h 50m
1 stop
United Airlines Logo
12:30 pm - 9:09 pm
SNN
-
IAD
13h 39m
1 stop
$877United Airlines
Wed, Sep 9 - Sat, Sep 19
United Airlines Logo
3:40 pm - 7:30 am
IAD
-
SNN
10h 50m
1 stop
United Airlines Logo
9:30 am - 5:37 pm
SNN
-
IAD
13h 07m
1 stop
$882United Airlines
Tue, Aug 11 - Fri, Aug 21
United Airlines Logo
10:38 am - 7:30 am
IAD
-
SNN
15h 52m
1 stop
United Airlines Logo
9:30 am - 5:37 pm
SNN
-
IAD
13h 07m
1 stop
$883United Airlines
Wed, Aug 12 - Wed, Aug 19
KLM Logo
4:00 pm - 11:10 am
IAD
-
SNN
14h 10m
2 stops
KLM Logo
1:05 pm - 7:16 pm
SNN
-
IAD
11h 11m
1 stop
$902KLM
Tue, Sep 8 - Wed, Sep 16
KLM Logo
12:30 pm - 11:10 am
IAD
-
SNN
17h 40m
1 stop
KLM Logo
1:05 pm - 12:10 am
SNN
-
IAD
16h 05m
2 stops
$904KLM
Tue, Sep 8 - Wed, Sep 16
United Airlines Logo
5:42 pm - 10:15 am
IAD
-
SNN
11h 33m
1 stop
United Airlines Logo
12:30 pm - 9:00 pm
SNN
-
IAD
13h 30m
1 stop
$905United Airlines
Mon, May 11 - Wed, Jun 10

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
Sep 8
IAD3:40 pmWashington, D.C. Dulles Intl
10h 50m
1 stop
SNN7:30 amShannon
Sep 16
SNN9:30 amShannon
13h 07m
1 stop
IAD5:37 pmWashington, D.C. Dulles Intl
$825
United Airlines
Sep 8
IAD5:42 pmWashington, D.C. Dulles Intl
11h 33m
1 stop
SNN10:15 amShannon
Sep 16
SNN9:30 amShannon
13h 07m
1 stop
IAD5:37 pmWashington, D.C. Dulles Intl
$827
United Airlines
Sep 1
IAD5:42 pmWashington, D.C. Dulles Intl
11h 33m
1 stop
SNN10:15 amShannon
Sep 7
SNN12:30 pmShannon
15h 29m
1 stop
IAD10:59 pmWashington, D.C. Dulles Intl
$875

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
Sep 8
IAD4:00 pmWashington, D.C. Dulles Intl
14h 10m
2 stops
SNN11:10 amShannon
Sep 16
SNN1:05 pmShannon
11h 11m
1 stop
IAD7:16 pmWashington, D.C. Dulles Intl
$902
KLM
Sep 8
IAD12:30 pmWashington, D.C. Dulles Intl
17h 40m
1 stop
SNN11:10 amShannon
Sep 16
SNN1:05 pmShannon
16h 05m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
$904
KLM
Aug 27
IAD12:30 pmWashington, D.C. Dulles Intl
17h 40m
1 stop
SNN11:10 amShannon
Sep 1
SNN1:05 pmShannon
16h 05m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
$1,002

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 May 1, 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
Quickest round-trip

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/8

3:40 pm-7:30 am

1 stop10h 50m

Shannon

Wed 9/16

9:30 am-5:37 pm

1 stop13h 07m

$825

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/8

5:42 pm-10:15 am

1 stop11h 33m

Shannon

Wed 9/16

9:30 am-5:37 pm

1 stop13h 07m

$827

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/8

8:30 pm-11:35 pm

3 stops22h 05m

Shannon

Fri 9/18

6:30 am-8:05 pm

3 stops42h 35m

$873

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/1

5:42 pm-10:15 am

1 stop11h 33m

Shannon

Mon 9/7

12:30 pm-10:59 pm

1 stop15h 29m

$875

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 9/9

3:40 pm-7:30 am

1 stop10h 50m

Shannon

Sat 9/19

12:30 pm-9:09 pm

1 stop13h 39m

$877

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 8/11

3:40 pm-7:30 am

1 stop10h 50m

Shannon

Fri 8/21

9:30 am-5:37 pm

1 stop13h 07m

$882

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 8/12

10:38 am-7:30 am

1 stop15h 52m

Shannon

Wed 8/19

9:30 am-5:37 pm

1 stop13h 07m

$883

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/8

4:00 pm-11:10 am

2 stops14h 10m

Shannon

Wed 9/16

1:05 pm-7:16 pm

1 stop11h 11m

$902

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/8

12:30 pm-11:10 am

1 stop17h 40m

Shannon

Wed 9/16

1:05 pm-12:10 am

2 stops16h 05m

$904

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 5/11

5:42 pm-10:15 am

1 stop11h 33m

Shannon

Wed 6/10

12:30 pm-9:00 pm

1 stop13h 30m

$905

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 is the most popular carrier operating from Washington, D.C. Dulles Intl to Shannon

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 39% 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 50m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare takes 10h 50m
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 50m.

  • 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
8,464 reviews
Search Delta flights
American AirlinesPriceFrom $489Free CancellationRating
7.1
11,684 reviews
Search American Airlines flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
9,675 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
Ennis
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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