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Cheap flights from Washington, D.C. Dulles Intl Airport to Shannon from $266

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 10/3. 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 (IAD-SNN)

Cheap round-trip flights

American Airlines Logo
5:50 pm - 3:50 pmIAD-SNN
17h 00m1 stop
American Airlines Logo
9:15 pm - 8:10 pmSNN-IAD
27h 55m1 stop
$573American Airlines
Find Deal
Fri, Sep 5 - Mon, Sep 15
American Airlines Logo
2:21 pm - 11:20 amIAD-SNN
15h 59m2 stops
American Airlines Logo
9:15 pm - 8:10 pmSNN-IAD
27h 55m1 stop
$580American Airlines
Find Deal
Fri, Sep 5 - Mon, Sep 15
American Airlines Logo
2:21 pm - 11:20 amIAD-SNN
15h 59m2 stops
American Airlines Logo
9:15 pm - 6:51 pmSNN-IAD
26h 36m2 stops
$590American Airlines
Find Deal
Fri, Sep 5 - Mon, Sep 15
American Airlines Logo
10:40 pm - 3:50 pmIAD-SNN
12h 10m1 stop
American Airlines Logo
9:15 pm - 8:15 pmSNN-IAD
28h 00m1 stop
$621American Airlines
Find Deal
Fri, Sep 26 - Wed, Oct 8
Air France Logo
5:25 pm - 11:10 amIAD-SNN
36h 45m2 stops
Air France Logo
1:05 pm - 11:17 pmSNN-IAD
15h 12m2 stops
$682Air France
Find Deal
Tue, Sep 9 - Tue, Sep 16
Logo
8:30 pm - 8:20 pmIAD-SNN
18h 50m2 stops
Logo
11:20 am - 10:10 pmSNN-IAD
15h 50m2 stops
$688
Find Deal
Tue, Oct 7 - Sun, Oct 12
United Airlines Logo
5:53 pm - 10:15 amIAD-SNN
11h 22m1 stop
United Airlines Logo
9:30 am - 5:30 pmSNN-IAD
13h 00m1 stop
$716United Airlines
Find Deal
Fri, Sep 12 - Fri, Sep 19
Logo
10:20 pm - 12:50 amIAD-SNN
21h 30m2 stops
Logo
8:10 pm - 8:50 pmSNN-IAD
29h 40m2 stops
$720
Find Deal
Wed, Sep 10 - Wed, Sep 17
British Airways Logo
6:20 pm - 11:30 amIAD-SNN
12h 10m1 stop
British Airways Logo
5:30 pm - 3:35 pmSNN-IAD
27h 05m1 stop
$771British Airways
Find Deal
Wed, Dec 3 - Wed, Dec 10
British Airways Logo
9:00 pm - 4:45 pmIAD-SNN
14h 45m2 stops
British Airways Logo
7:50 am - 3:35 pmSNN-IAD
12h 45m1 stop
$784British Airways
Find Deal
Wed, Dec 3 - Wed, Dec 10

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
Sep 5
IAD5:50 pmWashington, D.C. Dulles Intl
17h 00m
1 stop
SNN3:50 pmShannon
Sep 15
SNN9:15 pmShannon
27h 55m
1 stop
IAD8:10 pmWashington, D.C. Dulles Intl
$573
Find similar
American Airlines
Sep 5
IAD2:21 pmWashington, D.C. Dulles Intl
15h 59m
2 stops
SNN11:20 amShannon
Sep 15
SNN9:15 pmShannon
27h 55m
1 stop
IAD8:10 pmWashington, D.C. Dulles Intl
$580
Find similar
American Airlines
Sep 5
IAD2:21 pmWashington, D.C. Dulles Intl
15h 59m
2 stops
SNN11:20 amShannon
Sep 15
SNN9:15 pmShannon
26h 36m
2 stops
IAD6:51 pmWashington, D.C. Dulles Intl
$590
Find similar

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

Our best British Airways deals on Washington, D.C. Dulles Intl Airport to Shannon, Clare flight tickets
British Airways
Dec 3
IAD6:20 pmWashington, D.C. Dulles Intl
12h 10m
1 stop
SNN11:30 amShannon
Dec 10
SNN5:30 pmShannon
27h 05m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$771
Find similar
British Airways
Dec 3
IAD9:00 pmWashington, D.C. Dulles Intl
14h 45m
2 stops
SNN4:45 pmShannon
Dec 10
SNN7:50 amShannon
12h 45m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$784
Find similar
British Airways
Sep 26
IAD7:25 pmWashington, D.C. Dulles Intl
10h 55m
1 stop
SNN11:20 amShannon
Oct 8
SNN9:15 pmShannon
23h 35m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
$815
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 August 14, 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

Fri 9/5

5:50 pm-3:50 pm

1 stop17h 00m

Shannon

Mon 9/15

9:15 pm-8:10 pm

1 stop27h 55m

$573

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fri 9/5

2:21 pm-11:20 am

2 stops15h 59m

Shannon

Mon 9/15

9:15 pm-8:10 pm

1 stop27h 55m

$580

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fri 9/5

2:21 pm-11:20 am

2 stops15h 59m

Shannon

Mon 9/15

9:15 pm-6:51 pm

2 stops26h 36m

$590

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fri 9/26

10:40 pm-3:50 pm

1 stop12h 10m

Shannon

Wed 10/8

9:15 pm-8:15 pm

1 stop28h 00m

$621

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/9

5:25 pm-11:10 am

2 stops36h 45m

Shannon

Tue 9/16

1:05 pm-11:17 pm

2 stops15h 12m

$682

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 10/7

8:30 pm-8:20 pm

2 stops18h 50m

Shannon

Sun 10/12

11:20 am-10:10 pm

2 stops15h 50m

$688

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fri 9/12

5:53 pm-10:15 am

1 stop11h 22m

Shannon

Fri 9/19

9:30 am-5:30 pm

1 stop13h 00m

$716

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 9/10

10:20 pm-12:50 am

2 stops21h 30m

Shannon

Wed 9/17

8:10 pm-8:50 pm

2 stops29h 40m

$720

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

Wed 12/10

5:30 pm-3:35 pm

1 stop27h 05m

$771

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 12/3

9:00 pm-4:45 pm

2 stops14h 45m

Shannon

Wed 12/10

7:50 am-3:35 pm

1 stop12h 45m

$784

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 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

Best Price Found

$266

Fastest flight time

10h 55m

Direct flights

None

Airports in Shannon, Clare

1 airport
The best one-way flight to Shannon, Clare from Washington, D.C. Dulles Intl Airport in the past 72 hours is $266. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Shannon, Clare found on momondo in the last 72 hours is $573.
The fastest flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare takes 10h 55m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Shannon, Clare. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Shannon Airport.
There is 1 airport near Shannon, Clare: Shannon (SNN)
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 55m.

  • 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
American AirlinesPriceFrom $583Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
KLMPriceFrom $643Free CancellationRating
7.8
1,381 reviews
Search KLM flights
DeltaPriceFrom $644Free CancellationRating
8.0
7,980 reviews
Search Delta flights
British AirwaysPriceFrom $796Free CancellationRating
6.6
7,266 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
Ennis
Bunratty
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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