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Cheap flights from Washington, D.C. Dulles Intl Airport to Shannon from $429

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 5/25. 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.
American Airlines Logo
6:20 pm - 4:45 pm
IAD
-
SNN
17h 25m1 stop
American Airlines Logo
7:50 am - 11:34 pm
SNN
-
IAD
20h 44m2 stops
$620American Airlines
Di, Feb 10 - Di, Feb 17
American Airlines Logo
5:46 pm - 4:45 pm
IAD
-
SNN
17h 59m2 stops
American Airlines Logo
7:50 am - 11:34 pm
SNN
-
IAD
20h 44m2 stops
$629American Airlines
Di, Feb 10 - Di, Feb 17
American Airlines Logo
6:20 pm - 11:30 am
IAD
-
SNN
12h 10m1 stop
American Airlines Logo
7:50 am - 7:55 pm
SNN
-
IAD
17h 05m1 stop
$639American Airlines
Mo, Feb 23 - Mo, Mrz 2
Multiple Airlines Logo
7:40 pm - 7:20 pm
IAD
-
SNN
18h 40m2 stops
Multiple Airlines Logo
5:30 pm - 6:30 pm
SNN
-
IAD
30h 00m2 stops
$655Multiple Airlines
So, Jän 25 - So, Feb 1
American Airlines Logo
9:45 pm - 4:45 pm
IAD
-
SNN
14h 00m1 stop
American Airlines Logo
7:50 am - 3:35 pm
SNN
-
IAD
12h 45m1 stop
$657American Airlines
So, Jän 25 - So, Feb 1
American Airlines Logo
9:45 pm - 4:45 pm
IAD
-
SNN
14h 00m1 stop
American Airlines Logo
7:50 am - 7:55 pm
SNN
-
IAD
17h 05m1 stop
$672American Airlines
So, Feb 8 - So, Feb 15
American Airlines Logo
6:20 pm - 11:30 am
IAD
-
SNN
12h 10m1 stop
American Airlines Logo
7:50 am - 3:35 pm
SNN
-
IAD
12h 45m1 stop
$673American Airlines
Mo, Feb 9 - Mo, Feb 16
American Airlines Logo
6:20 pm - 11:30 am
IAD
-
SNN
12h 10m1 stop
American Airlines Logo
7:50 am - 11:34 pm
SNN
-
IAD
20h 44m2 stops
$685American Airlines
Fr, Feb 13 - Mi, Feb 18
American Airlines Logo
2:06 pm - 3:45 pm
IAD
-
SNN
20h 39m2 stops
American Airlines Logo
7:50 am - 11:34 pm
SNN
-
IAD
20h 44m2 stops
$697American Airlines
Fr, Feb 13 - Mi, Feb 18
Multiple Airlines Logo
10:30 pm - 10:50 pm
IAD
-
SNN
19h 20m2 stops
Multiple Airlines Logo
5:50 am - 4:30 pm
SNN
-
IAD
15h 40m1 stop
$708Multiple Airlines
So, Feb 22 - Di, Mrz 3

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
Feb 9
IAD5:05 pmWashington, D.C. Dulles Intl
21h 20m
2 stops
SNN7:25 pmShannon
Feb 16
SNN8:05 pmShannon
24h 30m
2 stops
IAD3:35 pmWashington, D.C. Dulles Intl
$772
Find similar
Aer Lingus
Jan 2
IAD9:00 amWashington, D.C. Dulles Intl
16h 20m
1 stop
SNN6:20 amShannon
Jan 9
SNN2:45 pmShannon
11h 08m
1 stop
IAD8:53 pmWashington, D.C. Dulles Intl
$1,449
Find similar

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Shannon, Clare flight tickets
American Airlines
May 4
IAD10:25 pmWashington, D.C. Dulles Intl
17h 10m
1 stop
SNN8:35 pmShannon
May 11
SNN9:15 pmShannon
23h 35m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$589
Find similar
American Airlines
Feb 10
IAD6:20 pmWashington, D.C. Dulles Intl
17h 25m
1 stop
SNN4:45 pmShannon
Feb 17
SNN7:50 amShannon
20h 44m
2 stops
IAD11:34 pmWashington, D.C. Dulles Intl
$620
Find similar
American Airlines
Feb 10
IAD5:46 pmWashington, D.C. Dulles Intl
17h 59m
2 stops
SNN4:45 pmShannon
Feb 17
SNN7:50 amShannon
20h 44m
2 stops
IAD11:34 pmWashington, D.C. Dulles Intl
$629
Find similar

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 Dezember 28, 2025.
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

Di 2/10

6:20 pm-4:45 pm

1 stop17h 25m

Shannon

Di 2/17

7:50 am-11:34 pm

2 stops20h 44m

$620

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Di 2/10

5:46 pm-4:45 pm

2 stops17h 59m

Shannon

Di 2/17

7:50 am-11:34 pm

2 stops20h 44m

$629

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mo 2/23

6:20 pm-11:30 am

1 stop12h 10m

Shannon

Mo 3/2

7:50 am-7:55 pm

1 stop17h 05m

$639

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

So 1/25

7:40 pm-7:20 pm

2 stops18h 40m

Shannon

So 2/1

5:30 pm-6:30 pm

2 stops30h 00m

$655

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

So 1/25

9:45 pm-4:45 pm

1 stop14h 00m

Shannon

So 2/1

7:50 am-3:35 pm

1 stop12h 45m

$657

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

So 2/8

9:45 pm-4:45 pm

1 stop14h 00m

Shannon

So 2/15

7:50 am-7:55 pm

1 stop17h 05m

$672

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mo 2/9

6:20 pm-11:30 am

1 stop12h 10m

Shannon

Mo 2/16

7:50 am-3:35 pm

1 stop12h 45m

$673

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fr 2/13

6:20 pm-11:30 am

1 stop12h 10m

Shannon

Mi 2/18

7:50 am-11:34 pm

2 stops20h 44m

$685

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fr 2/13

2:06 pm-3:45 pm

2 stops20h 39m

Shannon

Mi 2/18

7:50 am-11:34 pm

2 stops20h 44m

$697

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

So 2/22

10:30 pm-10:50 pm

2 stops19h 20m

Shannon

Di 3/3

5:50 am-4:30 pm

1 stop15h 40m

$708

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

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

What airlines fly to Shannon, Clare?

American Airlines, KLM 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 33% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 5 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

13h 00m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare takes 13h 00m
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 13h 00m.

  • 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 $137Free CancellationRating
7.9
8,016 reviews
Search Delta flights
American AirlinesPriceFrom $489Free CancellationRating
7.2
11,071 reviews
Search American Airlines flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights
KLMPriceFrom $643Free CancellationRating
7.7
1,435 reviews
Search KLM flights
British AirwaysPriceFrom $796Free CancellationRating
6.7
7,616 reviews
Search British Airways 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?

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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