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?

As of November 2026, there are 3 operators available to choose from 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.

$303 Cheap Flights from Washington, D.C. Dulles Intl Airport to Shannon, Clare in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Shannon

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:35 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

16h 40m1 stop Newark

12:30 pm - 11:00 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

15h 30m1 stop Newark

$763United Airlines

Sun, Apr 25 - Wed, Apr 28

12:35 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

16h 40m1 stop Newark

12:30 pm - 11:00 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

15h 30m1 stop Newark

$763United Airlines

Sun, May 2 - Wed, May 12

12:35 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

16h 40m1 stop Newark

12:30 pm - 8:33 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

13h 03m1 stop Newark

$763United Airlines

Wed, Apr 28 - Wed, May 5

5:20 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

11h 55m1 stop Newark

12:30 pm - 8:33 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

13h 03m1 stop Newark

$764United Airlines

Mon, Apr 19 - Fri, Apr 23

7:40 pm - 2:00 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

13h 20m2 stops Reykjavik Keflavik Intl London Gatwick

5:30 pm - 6:30 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

30h 00m2 stops London Heathrow Reykjavik Keflavik Intl

$806Multiple Airlines

Mon, Jan 4 - Tue, Jan 12

8:30 pm - 7:15 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 45m2 stops Reykjavik Keflavik Intl London Heathrow

6:40 pm - 7:00 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

29h 20m3 stops London Stansted Madrid Barajas Casablanca Mohamed V

$871Multiple Airlines

Fri, Apr 9 - Sun, Apr 18

8:30 pm - 7:15 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 45m2 stops Reykjavik Keflavik Intl London Heathrow

6:40 pm - 7:00 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

29h 20m3 stops London Stansted Madrid Barajas Casablanca Mohamed V

$874Multiple Airlines

Fri, Apr 9 - Sun, Apr 18

8:30 pm - 7:15 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 45m2 stops Reykjavik Keflavik Intl London Heathrow

6:40 pm - 7:00 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

29h 20m3 stops London Stansted Madrid Barajas Casablanca Mohamed V

$876Multiple Airlines

Fri, Apr 9 - Sun, Apr 18

9:11 am - 5:50 amIAD Washington, D.C. Dulles Intl-SNN Shannon

15h 39m2 stops Charlotte Douglas Boston Logan Intl

7:50 am - 9:10 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

18h 20m2 stops London Heathrow Charlotte Douglas

$1,119American Airlines

Mon, Dec 28 - Wed, Jan 13

9:40 am - 5:50 amIAD Washington, D.C. Dulles Intl-SNN Shannon

15h 10m2 stops Charlotte Douglas Boston Logan Intl

2:00 pm - 8:41 amSNN Shannon-IAD Washington, D.C. Dulles Intl

23h 41m2 stops Boston Logan Intl Charlotte Douglas

$1,123American Airlines

Fri, Dec 11 - Fri, Dec 18

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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

Jan 4

IAD9:45 pmWashington, D.C. Dulles Intl

14h 00m

1 stop

SNN4:45 pmShannon

Jan 12

SNN8:05 pmShannon

24h 40m

2 stops

IAD3:45 pmWashington, D.C. Dulles Intl

$941

British Airways

Jan 5

IAD6:05 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

SNN11:30 amShannon

Jan 15

SNN7:50 amShannon

17h 05m

1 stop

IAD7:55 pmWashington, D.C. Dulles Intl

$958

British Airways

Apr 19

IAD5:40 pmWashington, D.C. Dulles Intl

17h 30m

1 stop

SNN4:10 pmShannon

Apr 23

SNN7:30 amShannon

16h 45m

2 stops

IAD7:15 pmWashington, D.C. Dulles Intl

$959

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

Dec 6

IAD5:15 pmWashington, D.C. Dulles Intl

18h 30m

2 stops

SNN4:45 pmShannon

Dec 21

SNN8:05 pmShannon

28h 15m

2 stops

IAD7:20 pmWashington, D.C. Dulles Intl

$950

Aer Lingus

Nov 24

IAD8:50 pmWashington, D.C. Dulles Intl

17h 35m

2 stops

SNN7:25 pmShannon

Nov 30

SNN8:05 pmShannon

28h 15m

2 stops

IAD7:20 pmWashington, D.C. Dulles Intl

$970

Aer Lingus

May 2

IAD8:45 pmWashington, D.C. Dulles Intl

14h 25m

2 stops

SNN4:10 pmShannon

May 12

SNN7:30 amShannon

16h 45m

2 stops

IAD7:15 pmWashington, D.C. Dulles Intl

$977

momondo Fare Finder

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 Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Sun 4/25

12:35 pm-10:15 am

1 stop16h 40m

Shannon

Wed 4/28

12:30 pm-11:00 pm

1 stop15h 30m

$763

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Sun 5/2

12:35 pm-10:15 am

1 stop16h 40m

Shannon

Wed 5/12

12:30 pm-11:00 pm

1 stop15h 30m

$763

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Wed 4/28

12:35 pm-10:15 am

1 stop16h 40m

Shannon

Wed 5/5

12:30 pm-8:33 pm

1 stop13h 03m

$763

Quickest round-trip

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Mon 4/19

5:20 pm-10:15 am

1 stop11h 55m

Shannon

Fri 4/23

12:30 pm-8:33 pm

1 stop13h 03m

$764

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Mon 1/4

7:40 pm-2:00 pm

2 stops13h 20m

Shannon

Tue 1/12

5:30 pm-6:30 pm

2 stops30h 00m

$806

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Fri 4/9

8:30 pm-7:15 pm

2 stops17h 45m

Shannon

Sun 4/18

6:40 pm-7:00 pm

3 stops29h 20m

$871

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Fri 4/9

8:30 pm-7:15 pm

2 stops17h 45m

Shannon

Sun 4/18

6:40 pm-7:00 pm

3 stops29h 20m

$874

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Fri 4/9

8:30 pm-7:15 pm

2 stops17h 45m

Shannon

Sun 4/18

6:40 pm-7:00 pm

3 stops29h 20m

$876

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Mon 12/28

9:11 am-5:50 am

2 stops15h 39m

Shannon

Wed 1/13

7:50 am-9:10 pm

2 stops18h 20m

$1,119

Washington, D.C.Shannon

IAD Washington, D.C. Dulles Intl - SNN Shannon

IADSNN

Washington, D.C. Dulles Intl

Fri 12/11

9:40 am-5:50 am

2 stops15h 10m

Shannon

Fri 12/18

2:00 pm-8:41 am

2 stops23h 41m

$1,123

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

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?

Aer Lingus is the most popular carrier 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 40% 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

Best Price Found	$303
Fastest flight time	11h 55m
Direct flights	None

The best one-way flight to Shannon, Clare from Washington, D.C. Dulles Intl Airport in the past 72 hours is $303. 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 $763.

The fastest flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare takes 11h 55m

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 11h 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?
As of November 2026, there are 3 operators available to choose from 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?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Shannon, Clare, the leading airline is Delta, making up 40% of the total bookings. Other popular airlines include United Airlines with 36% and American Airlines with 24%.

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 Airlines	PriceFrom $489	Free Cancellation	Rating 7.0 12,233 reviews	Search American Airlines flights
Delta	PriceFrom $681	Free Cancellation	Rating 7.8 8,701 reviews	Search Delta flights
United Airlines	PriceFrom $753	Free Cancellation	Rating 7.3 10,470 reviews	Search United Airlines flights

Limerick

Ennis

Adare

Bunratty

Lahinch

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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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

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

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Shannon, Clare

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

What airlines fly to Shannon, Clare?

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

Cheap Washington, D.C. Dulles Intl Airport to Shannon, Clare (IAD to SNN) flight deals and tips

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Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Shannon, Clare

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Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Shannon, Clare with momondo

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An easier way to manage your Shannon, Clare trip

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