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Cheap flights from Washington, D.C. Dulles Intl Airport to Shannon from $337

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 9/13. 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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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
6:10 am - 7:30 am
IAD
-
SNN
20h 20m
1 stop
United Airlines Logo
9:30 am - 4:03 pm
SNN
-
IAD
11h 33m
1 stop
$638United Airlines
Fri, Aug 7 - Wed, Aug 19
Delta Logo
12:30 pm - 11:10 am
IAD
-
SNN
17h 40m
1 stop
Delta Logo
1:05 pm - 12:10 am
SNN
-
IAD
16h 05m
2 stops
$642Delta
Sat, Aug 8 - Wed, Aug 19
Multiple Airlines Logo
7:59 pm - 11:10 am
IAD
-
SNN
10h 11m
1 stop
Multiple Airlines Logo
1:05 pm - 12:10 am
SNN
-
IAD
16h 05m
2 stops
$643Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
Lufthansa Logo
5:55 pm - 11:15 am
IAD
-
SNN
12h 20m
1 stop
Lufthansa Logo
12:00 pm - 1:35 pm
SNN
-
IAD
30h 35m
1 stop
$649Lufthansa
Fri, Aug 7 - Sat, Aug 22
United Airlines Logo
5:42 pm - 10:15 am
IAD
-
SNN
11h 33m
1 stop
United Airlines Logo
9:30 am - 12:45 am
SNN
-
IAD
20h 15m
1 stop
$673United Airlines
Tue, May 12 - Sat, May 23
Multiple Airlines Logo
8:30 pm - 11:35 pm
IAD
-
SNN
22h 05m
2 stops
Multiple Airlines Logo
12:15 pm - 3:10 pm
SNN
-
IAD
31h 55m
2 stops
$674Multiple Airlines
Tue, May 12 - Thu, May 21
Multiple Airlines Logo
8:30 pm - 9:35 pm
IAD
-
SNN
20h 05m
3 stops
Multiple Airlines Logo
12:15 pm - 3:10 pm
SNN
-
IAD
31h 55m
2 stops
$675Multiple Airlines
Mon, Apr 13 - Thu, Apr 23
United Airlines Logo
10:15 pm - 7:30 am
IAD
-
SNN
28h 15m
1 stop
United Airlines Logo
9:30 am - 11:47 am
SNN
-
IAD
31h 17m
1 stop
$684United Airlines
Thu, Aug 6 - Sun, Aug 16
Air France Logo
7:59 pm - 11:10 am
IAD
-
SNN
10h 11m
1 stop
Air France Logo
1:05 pm - 7:16 pm
SNN
-
IAD
11h 11m
1 stop
$688Air France
Wed, Aug 12 - Fri, Aug 21
Air France Logo
7:59 pm - 11:10 am
IAD
-
SNN
10h 11m
1 stop
Air France Logo
1:05 pm - 10:59 pm
SNN
-
IAD
14h 54m
2 stops
$692Air France
Wed, Aug 12 - Fri, Aug 21

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

Our best Air France deals on Washington, D.C. Dulles Intl Airport to Shannon, Clare flight tickets
Air France
Aug 12
IAD7:59 pmWashington, D.C. Dulles Intl
10h 11m
1 stop
SNN11:10 amShannon
Aug 21
SNN1:05 pmShannon
11h 11m
1 stop
IAD7:16 pmWashington, D.C. Dulles Intl
$688
Air France
Aug 12
IAD7:59 pmWashington, D.C. Dulles Intl
10h 11m
1 stop
SNN11:10 amShannon
Aug 21
SNN1:05 pmShannon
14h 54m
2 stops
IAD10:59 pmWashington, D.C. Dulles Intl
$692

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

Our best Lufthansa deals on Washington, D.C. Dulles Intl Airport to Shannon, Clare flight tickets
Lufthansa
Aug 7
IAD5:55 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
SNN11:15 amShannon
Aug 22
SNN12:00 pmShannon
30h 35m
1 stop
IAD1:35 pmWashington, D.C. Dulles Intl
$649
Lufthansa
Sep 1
IAD8:29 amWashington, D.C. Dulles Intl
20h 46m
1 stop
SNN10:15 amShannon
Sep 15
SNN9:30 amShannon
11h 33m
1 stop
IAD4:03 pmWashington, D.C. Dulles Intl
$693
Lufthansa
Aug 12
IAD3:25 pmWashington, D.C. Dulles Intl
13h 45m
1 stop
SNN10:10 amShannon
Aug 22
SNN12:00 pmShannon
33h 05m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$701

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 March 17, 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

Fri 8/7

6:10 am-7:30 am

1 stop20h 20m

Shannon

Wed 8/19

9:30 am-4:03 pm

1 stop11h 33m

$638

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 8/8

12:30 pm-11:10 am

1 stop17h 40m

Shannon

Wed 8/19

1:05 pm-12:10 am

2 stops16h 05m

$642

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/8

7:59 pm-11:10 am

1 stop10h 11m

Shannon

Wed 9/16

1:05 pm-12:10 am

2 stops16h 05m

$643

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fri 8/7

5:55 pm-11:15 am

1 stop12h 20m

Shannon

Sat 8/22

12:00 pm-1:35 pm

1 stop30h 35m

$649

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 5/12

5:42 pm-10:15 am

1 stop11h 33m

Shannon

Sat 5/23

9:30 am-12:45 am

1 stop20h 15m

$673

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 5/12

8:30 pm-11:35 pm

2 stops22h 05m

Shannon

Thu 5/21

12:15 pm-3:10 pm

2 stops31h 55m

$674

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 4/13

8:30 pm-9:35 pm

3 stops20h 05m

Shannon

Thu 4/23

12:15 pm-3:10 pm

2 stops31h 55m

$675

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 8/6

10:15 pm-7:30 am

1 stop28h 15m

Shannon

Sun 8/16

9:30 am-11:47 am

1 stop31h 17m

$684
Quickest round-trip

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 8/12

7:59 pm-11:10 am

1 stop10h 11m

Shannon

Fri 8/21

1:05 pm-7:16 pm

1 stop11h 11m

$688

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 8/12

7:59 pm-11:10 am

1 stop10h 11m

Shannon

Fri 8/21

1:05 pm-10:59 pm

2 stops14h 54m

$692

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?

British Airways and Aer Lingus are the most popular carriers 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 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
8,288 reviews
Search Delta flights
American AirlinesPriceFrom $489Free CancellationRating
7.1
11,467 reviews
Search American Airlines flights
KLMPriceFrom $643Free CancellationRating
7.8
1,473 reviews
Search KLM flights
United AirlinesPriceFrom $646Free CancellationRating
7.4
9,432 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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