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Cheap flights from Washington, D.C. Dulles Intl Airport to Shannon from $400

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 4/1. 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.
American Airlines Logo
6:20 pm - 11:30 amIAD-SNN
12h 10m1 stop
American Airlines Logo
7:50 am - 7:55 pmSNN-IAD
17h 05m1 stop
$539American Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
American Airlines Logo
2:16 pm - 11:30 amIAD-SNN
16h 14m2 stops
American Airlines Logo
7:50 am - 7:55 pmSNN-IAD
17h 05m1 stop
$544American Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
American Airlines Logo
2:16 pm - 11:30 amIAD-SNN
16h 14m2 stops
American Airlines Logo
7:50 am - 12:01 amSNN-IAD
21h 11m2 stops
$557American Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
American Airlines Logo
6:20 pm - 4:45 pmIAD-SNN
17h 25m1 stop
American Airlines Logo
7:50 am - 7:55 pmSNN-IAD
17h 05m1 stop
$589American Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
American Airlines Logo
2:16 pm - 11:30 amIAD-SNN
16h 14m2 stops
American Airlines Logo
7:50 am - 3:35 pmSNN-IAD
12h 45m1 stop
$595American Airlines
Find Deal
Mon, Nov 24 - Tue, Dec 9
American Airlines Logo
2:12 pm - 11:20 amIAD-SNN
16h 08m2 stops
American Airlines Logo
9:15 pm - 8:20 pmSNN-IAD
28h 05m1 stop
$596American Airlines
Find Deal
Tue, Apr 28 - Tue, May 5
American Airlines Logo
7:15 pm - 4:10 pmIAD-SNN
15h 55m1 stop
American Airlines Logo
9:15 pm - 8:20 pmSNN-IAD
28h 05m1 stop
$607American Airlines
Find Deal
Wed, Apr 1 - Mon, Apr 6
American Airlines Logo
6:10 pm - 4:10 pmIAD-SNN
17h 00m2 stops
American Airlines Logo
7:40 am - 11:55 pmSNN-IAD
21h 15m2 stops
$609American Airlines
Find Deal
Tue, Apr 28 - Tue, May 5
American Airlines Logo
7:15 pm - 11:20 amIAD-SNN
11h 05m1 stop
American Airlines Logo
9:15 pm - 4:08 pmSNN-IAD
23h 53m2 stops
$620American Airlines
Find Deal
Wed, Apr 1 - Mon, Apr 6
Air Canada Logo
9:45 am - 4:45 pmIAD-SNN
26h 00m2 stops
Air Canada Logo
7:50 am - 8:59 pmSNN-IAD
18h 09m2 stops
$649Air Canada
Find Deal
Mon, Nov 24 - Tue, Dec 9

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

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Shannon, Clare flight tickets
Air Canada
Nov 24
IAD9:45 amWashington, D.C. Dulles Intl
26h 00m
2 stops
SNN4:45 pmShannon
Dec 9
SNN7:50 amShannon
18h 09m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
$649
Find similar
Air Canada
Nov 24
IAD4:30 pmWashington, D.C. Dulles Intl
14h 00m
2 stops
SNN11:30 amShannon
Dec 9
SNN7:50 amShannon
18h 09m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
$660
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
Dec 3
IAD6:20 pmWashington, D.C. Dulles Intl
12h 10m
1 stop
SNN11:30 amShannon
Dec 7
SNN7:50 amShannon
17h 05m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
$539
Find similar
American Airlines
Dec 3
IAD2:16 pmWashington, D.C. Dulles Intl
16h 14m
2 stops
SNN11:30 amShannon
Dec 7
SNN7:50 amShannon
17h 05m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
$544
Find similar
American Airlines
Dec 3
IAD2:16 pmWashington, D.C. Dulles Intl
16h 14m
2 stops
SNN11:30 amShannon
Dec 7
SNN7:50 amShannon
21h 11m
2 stops
IAD12:01 amWashington, D.C. Dulles Intl
$557
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 November 13, 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

Wed 12/3

6:20 pm-11:30 am

1 stop12h 10m

Shannon

Sun 12/7

7:50 am-7:55 pm

1 stop17h 05m

$539

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 12/3

2:16 pm-11:30 am

2 stops16h 14m

Shannon

Sun 12/7

7:50 am-7:55 pm

1 stop17h 05m

$544

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 12/3

2:16 pm-11:30 am

2 stops16h 14m

Shannon

Sun 12/7

7:50 am-12:01 am

2 stops21h 11m

$557

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 1/15

6:20 pm-4:45 pm

1 stop17h 25m

Shannon

Mon 1/19

7:50 am-7:55 pm

1 stop17h 05m

$589

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 11/24

2:16 pm-11:30 am

2 stops16h 14m

Shannon

Tue 12/9

7:50 am-3:35 pm

1 stop12h 45m

$595

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 4/28

2:12 pm-11:20 am

2 stops16h 08m

Shannon

Tue 5/5

9:15 pm-8:20 pm

1 stop28h 05m

$596

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 4/1

7:15 pm-4:10 pm

1 stop15h 55m

Shannon

Mon 4/6

9:15 pm-8:20 pm

1 stop28h 05m

$607

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 4/28

6:10 pm-4:10 pm

2 stops17h 00m

Shannon

Tue 5/5

7:40 am-11:55 pm

2 stops21h 15m

$609

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 4/1

7:15 pm-11:20 am

1 stop11h 05m

Shannon

Mon 4/6

9:15 pm-4:08 pm

2 stops23h 53m

$620

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 11/24

9:45 am-4:45 pm

2 stops26h 00m

Shannon

Tue 12/9

7:50 am-8:59 pm

2 stops18h 09m

$649

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 day to depart on your flight to Shannon, Clare?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Shannon, Clare is on a Monday when prices can be found for as low as $833. The most expensive day to fly to Shannon, Clare is Wednesday, with ticket prices averaging around $1,146.

What is the cheapest time of day to depart on your flight to Shannon, Clare?

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to Shannon, Clare flights are usually those with departure times in the morning. Our users have found flights to Shannon, Clare in the morning for as low as $933. Flights at noon are often more expensive with an average ticket price of $1,177.

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

Direct flights

None
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 11h 05m.

  • 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
8,007 reviews
Search Delta flights
KLMPriceFrom $643Free CancellationRating
7.7
1,411 reviews
Search KLM flights
United AirlinesPriceFrom $646Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
British AirwaysPriceFrom $796Free CancellationRating
6.7
7,520 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
Lahinch
Ennis
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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