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 October 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.

$331 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.

7:40 pm - 8:10 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

19h 30m2 stops Reykjavik Keflavik Intl Manchester

5:45 am - 4:20 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

15h 35m1 stop Madrid Barajas

$804Multiple Airlines

Wed, Mar 3 - Mon, Mar 8

7:40 pm - 10:25 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

21h 45m2 stops Reykjavik Keflavik Intl London Heathrow

5:45 am - 4:20 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

15h 35m1 stop Madrid Barajas

$838Multiple Airlines

Tue, Mar 2 - Mon, Mar 8

7:40 pm - 7:45 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

19h 05m2 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

$851Multiple Airlines

Sun, Nov 15 - Sun, Nov 22

5:15 pm - 2:00 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

15h 45m2 stops Dublin London Heathrow

5:45 am - 4:20 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

15h 35m1 stop Madrid Barajas

$854Multiple Airlines

Mon, Mar 1 - Mon, Mar 8

5:50 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

11h 25m1 stop Newark

12:30 pm - 10:59 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

15h 29m1 stop Newark

$1,015United Airlines

Thu, Oct 15 - Mon, Oct 19

7:05 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 40m1 stop London Heathrow

1:45 pm - 11:59 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

15h 14m2 stops Boston Logan Intl Charlotte Douglas

$1,052American Airlines

Thu, Mar 25 - Thu, Apr 1

10:40 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

30h 35m1 stop Newark

12:30 pm - 10:59 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

15h 29m1 stop Newark

$1,105United Airlines

Sat, Oct 17 - Wed, Oct 21

7:05 pm - 11:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

12h 25m1 stop London Heathrow

7:50 am - 7:55 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

17h 05m1 stop London Heathrow

$1,217American Airlines

Mon, Oct 26 - Sun, Nov 15

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

15h 39m2 stops Charlotte Douglas Boston Logan Intl

7:50 am - 7:55 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

17h 05m1 stop London Heathrow

$1,656American Airlines

Sat, Dec 19 - Sat, Dec 26

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

15h 39m2 stops Charlotte Douglas Boston Logan Intl

7:50 am - 10:13 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

19h 23m2 stops London Heathrow Charlotte Douglas

$1,680American Airlines

Sat, Dec 19 - Sat, Dec 26

Cheap last minute flights

Enter your travel dates to find the best prices.

12:38 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

16h 37m1 stop Newark

12:30 pm - 9:27 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

13h 57m1 stop Newark

$905United Airlines

Mon, Oct 5 - Tue, Oct 20

12:38 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

16h 37m1 stop Newark

12:30 pm - 9:27 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

13h 57m1 stop Newark

$965United Airlines

Tue, Oct 6 - Sun, Oct 11

12:38 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

16h 37m1 stop Newark

12:30 pm - 10:59 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

15h 29m1 stop Newark

$965United Airlines

Wed, Oct 7 - Sun, Oct 11

5:50 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

11h 25m1 stop Newark

12:30 pm - 10:59 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

15h 29m1 stop Newark

$965United Airlines

Mon, Oct 5 - Sun, Oct 11

5:15 pm - 11:25 amIAD Washington, D.C. Dulles Intl-SNN Shannon

13h 10m2 stops Dublin London Stansted

2:05 pm - 6:50 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

33h 45m1 stop Madrid Barajas

$1,088Multiple Airlines

Mon, Oct 5 - Wed, Oct 7

5:15 pm - 11:50 amIAD Washington, D.C. Dulles Intl-SNN Shannon

13h 35m2 stops Dublin Manchester

2:05 pm - 6:50 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

33h 45m1 stop Madrid Barajas

$1,098Multiple Airlines

Tue, Oct 6 - Wed, Oct 7

12:38 pm - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

16h 37m1 stop Newark

12:30 pm - 10:59 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

15h 29m1 stop Newark

$1,099United Airlines

Wed, Oct 7 - Fri, Oct 9

3:09 pm - 5:25 amIAD Washington, D.C. Dulles Intl-SNN Shannon

9h 16m1 stop Boston Logan Intl

7:30 am - 7:10 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

16h 40m2 stops London Heathrow Dublin

$1,116Aer Lingus

Mon, Oct 5 - Thu, Oct 8

5:15 pm - 4:10 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 55m2 stops Dublin Birmingham

12:15 pm - 2:15 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

31h 00m2 stops Madrid Barajas Bogotá El Dorado

$1,116Multiple Airlines

Mon, Oct 5 - Thu, Oct 8

12:43 pm - 11:20 amIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 37m2 stops Toronto Pearson Intl London Heathrow

9:15 pm - 7:00 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

26h 45m2 stops London Heathrow Montreal Pierre Elliott Trudeau Intl

$1,138Air Canada

Mon, Oct 5 - Tue, Oct 20

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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

Mar 2

IAD6:05 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

SNN11:30 amShannon

Mar 11

SNN8:05 pmShannon

24h 40m

2 stops

IAD3:45 pmWashington, D.C. Dulles Intl

$927

British Airways

Nov 15

IAD6:05 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

SNN11:30 amShannon

Nov 22

SNN5:30 pmShannon

30h 50m

2 stops

IAD7:20 pmWashington, D.C. Dulles Intl

$947

British Airways

Feb 22

IAD9:45 pmWashington, D.C. Dulles Intl

16h 40m

1 stop

SNN7:25 pmShannon

Mar 1

SNN8:05 pmShannon

24h 35m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$953

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

Mar 21

IAD9:55 amWashington, D.C. Dulles Intl

21h 35m

2 stops

SNN11:30 amShannon

Mar 29

SNN9:15 pmShannon

28h 00m

2 stops

IAD8:15 pmWashington, D.C. Dulles Intl

$987

Air Canada

Mar 25

IAD9:55 amWashington, D.C. Dulles Intl

26h 50m

2 stops

SNN4:45 pmShannon

Apr 1

SNN7:30 amShannon

17h 45m

2 stops

IAD8:15 pmWashington, D.C. Dulles Intl

$1,041

Air Canada

Mar 25

IAD9:55 amWashington, D.C. Dulles Intl

26h 50m

2 stops

SNN4:45 pmShannon

Apr 1

SNN7:30 amShannon

17h 45m

2 stops

IAD8:15 pmWashington, D.C. Dulles Intl

$1,042

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

Wed 3/3

7:40 pm-8:10 pm

2 stops19h 30m

Shannon

Mon 3/8

5:45 am-4:20 pm

1 stop15h 35m

$804

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Tue 3/2

7:40 pm-10:25 pm

2 stops21h 45m

Shannon

Mon 3/8

5:45 am-4:20 pm

1 stop15h 35m

$838

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sun 11/15

7:40 pm-7:45 pm

2 stops19h 05m

Shannon

Sun 11/22

5:30 pm-6:30 pm

2 stops30h 00m

$851

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Mon 3/1

5:15 pm-2:00 pm

2 stops15h 45m

Shannon

Mon 3/8

5:45 am-4:20 pm

1 stop15h 35m

$854

Quickest round-trip

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Thu 10/15

5:50 pm-10:15 am

1 stop11h 25m

Shannon

Mon 10/19

12:30 pm-10:59 pm

1 stop15h 29m

$1,015

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Thu 3/25

7:05 pm-4:45 pm

1 stop17h 40m

Shannon

Thu 4/1

1:45 pm-11:59 pm

2 stops15h 14m

$1,052

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sat 10/17

10:40 pm-10:15 am

1 stop30h 35m

Shannon

Wed 10/21

12:30 pm-10:59 pm

1 stop15h 29m

$1,105

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Mon 10/26

7:05 pm-11:30 am

1 stop12h 25m

Shannon

Sun 11/15

7:50 am-7:55 pm

1 stop17h 05m

$1,217

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sat 12/19

9:11 am-5:50 am

2 stops15h 39m

Shannon

Sat 12/26

7:50 am-7:55 pm

1 stop17h 05m

$1,656

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sat 12/19

9:11 am-5:50 am

2 stops15h 39m

Shannon

Sat 12/26

7:50 am-10:13 pm

2 stops19h 23m

$1,680

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	$331
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 $331. 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 $804.

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 October 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
Delta	PriceFrom $137	Free Cancellation	Rating 7.8 8,626 reviews	Search Delta flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.0 12,132 reviews	Search American Airlines flights
United Airlines	PriceFrom $753	Free Cancellation	Rating 7.4 10,283 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.

An easier way to manage your Shannon, Clare trip

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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

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

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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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