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Cheap flights from Washington, D.C. Dulles Intl Airport to Shannon from $253

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 9/2. 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

Discover deals from 900+ travel sites with momondo.

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
8:33 am - 10:15 am
IAD
-
SNN
20h 42m
1 stop
United Airlines Logo
12:30 pm - 10:59 pm
SNN
-
IAD
15h 29m
1 stop
$743United Airlines
Sun, Oct 11 - Thu, Oct 22
Multiple Airlines Logo
8:25 pm - 1:40 pm
IAD
-
SNN
12h 15m
1 stop
Multiple Airlines Logo
8:10 pm - 6:55 pm
SNN
-
IAD
27h 45m
2 stops
$757Multiple Airlines
Tue, Oct 13 - Wed, Oct 21
Multiple Airlines Logo
8:30 pm - 12:15 am
IAD
-
SNN
22h 45m
2 stops
Multiple Airlines Logo
1:00 pm - 7:20 pm
SNN
-
IAD
35h 20m
2 stops
$762Multiple Airlines
Tue, Sep 1 - Tue, Sep 15
Multiple Airlines Logo
8:30 pm - 8:25 pm
IAD
-
SNN
18h 55m
2 stops
Multiple Airlines Logo
1:00 pm - 7:20 pm
SNN
-
IAD
35h 20m
2 stops
$783Multiple Airlines
Sun, Sep 6 - Tue, Sep 15
Lufthansa Logo
5:50 pm - 10:15 am
IAD
-
SNN
11h 25m
1 stop
Lufthansa Logo
12:30 pm - 10:59 pm
SNN
-
IAD
15h 29m
1 stop
$792Lufthansa
Mon, Oct 5 - Fri, Oct 16
Multiple Airlines Logo
8:25 pm - 1:40 pm
IAD
-
SNN
12h 15m
1 stop
Multiple Airlines Logo
7:30 am - 7:35 pm
SNN
-
IAD
17h 05m
2 stops
$794Multiple Airlines
Tue, Oct 13 - Tue, Oct 20
Multiple Airlines Logo
8:25 pm - 1:40 pm
IAD
-
SNN
12h 15m
1 stop
Multiple Airlines Logo
9:15 pm - 3:45 pm
SNN
-
IAD
23h 30m
2 stops
$795Multiple Airlines
Tue, Oct 13 - Thu, Oct 22
Multiple Airlines Logo
11:20 pm - 12:15 am
IAD
-
SNN
19h 55m
2 stops
Multiple Airlines Logo
4:50 pm - 8:20 pm
SNN
-
IAD
32h 30m
1 stop
$798Multiple Airlines
Tue, Sep 1 - Tue, Sep 15
United Airlines Logo
10:40 pm - 10:15 am
IAD
-
SNN
30h 35m
1 stop
United Airlines Logo
12:30 pm - 9:27 pm
SNN
-
IAD
13h 57m
1 stop
$803United Airlines
Sat, Oct 10 - Sun, Oct 18
Multiple Airlines Logo
8:25 pm - 1:40 pm
IAD
-
SNN
12h 15m
1 stop
Multiple Airlines Logo
8:05 pm - 4:35 pm
SNN
-
IAD
24h 30m
2 stops
$804Multiple Airlines
Tue, Oct 20 - Fri, Oct 30

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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
Oct 11
IAD8:33 amWashington, D.C. Dulles Intl
20h 42m
1 stop
SNN10:15 amShannon
Oct 22
SNN12:30 pmShannon
15h 29m
1 stop
IAD10:59 pmWashington, D.C. Dulles Intl
$743
United Airlines
Oct 10
IAD10:40 pmWashington, D.C. Dulles Intl
30h 35m
1 stop
SNN10:15 amShannon
Oct 18
SNN12:30 pmShannon
13h 57m
1 stop
IAD9:27 pmWashington, D.C. Dulles Intl
$803
United Airlines
Sep 2
IAD12:35 pmWashington, D.C. Dulles Intl
16h 40m
1 stop
SNN10:15 amShannon
Sep 9
SNN12:30 pmShannon
15h 29m
1 stop
IAD10:59 pmWashington, D.C. Dulles Intl
$825

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
Aug 19
IAD12:29 pmWashington, D.C. Dulles Intl
17h 41m
1 stop
SNN11:10 amShannon
Aug 26
SNN1:05 pmShannon
16h 29m
2 stops
IAD12:34 amWashington, D.C. Dulles Intl
$834
KLM
Sep 3
IAD7:15 pmWashington, D.C. Dulles Intl
10h 55m
1 stop
SNN11:10 amShannon
Sep 10
SNN1:05 pmShannon
33h 07m
2 stops
IAD5:12 pmWashington, D.C. Dulles Intl
$865
KLM
Sep 11
IAD6:26 pmWashington, D.C. Dulles Intl
11h 44m
1 stop
SNN11:10 amShannon
Sep 15
SNN1:05 pmShannon
16h 35m
2 stops
IAD12:40 amWashington, D.C. Dulles Intl
$884

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 July 23, 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

Sun 10/11

8:33 am-10:15 am

1 stop20h 42m

Shannon

Thu 10/22

12:30 pm-10:59 pm

1 stop15h 29m

$743

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 10/13

8:25 pm-1:40 pm

1 stop12h 15m

Shannon

Wed 10/21

8:10 pm-6:55 pm

2 stops27h 45m

$757

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/1

8:30 pm-12:15 am

2 stops22h 45m

Shannon

Tue 9/15

1:00 pm-7:20 pm

2 stops35h 20m

$762

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 9/6

8:30 pm-8:25 pm

2 stops18h 55m

Shannon

Tue 9/15

1:00 pm-7:20 pm

2 stops35h 20m

$783
Quickest round-trip

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 10/5

5:50 pm-10:15 am

1 stop11h 25m

Shannon

Fri 10/16

12:30 pm-10:59 pm

1 stop15h 29m

$792

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 10/13

8:25 pm-1:40 pm

1 stop12h 15m

Shannon

Tue 10/20

7:30 am-7:35 pm

2 stops17h 05m

$794

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 10/13

8:25 pm-1:40 pm

1 stop12h 15m

Shannon

Thu 10/22

9:15 pm-3:45 pm

2 stops23h 30m

$795

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/1

11:20 pm-12:15 am

2 stops19h 55m

Shannon

Tue 9/15

4:50 pm-8:20 pm

1 stop32h 30m

$798

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 10/10

10:40 pm-10:15 am

1 stop30h 35m

Shannon

Sun 10/18

12:30 pm-9:27 pm

1 stop13h 57m

$803

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 10/20

8:25 pm-1:40 pm

1 stop12h 15m

Shannon

Fri 10/30

8:05 pm-4:35 pm

2 stops24h 30m

$804

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 Delta are the most popular carriers operating from Washington, D.C. Dulles Intl to Shannon

What airlines fly to Shannon, Clare?

Delta, United Airlines and American 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 41% 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
8,479 reviews
Search Delta flights
American AirlinesPriceFrom $489Free CancellationRating
7.1
11,832 reviews
Search American Airlines flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
10,024 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
Adare
Lahinch
Nenagh
Bunratty
Tipperary

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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