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.

$396 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.

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

31h 05m1 stop Newark

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

15h 30m1 stop Newark

$759United Airlines

Sun, Apr 4 - Thu, Apr 8

7:40 pm - 11:35 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

22h 55m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted

9:25 am - 3:15 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

34h 50m2 stops Madrid Barajas Lisbon Humberto Delgado

$782Multiple Airlines

Sun, Nov 8 - Fri, Nov 20

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

19h 05m2 stops Reykjavik Keflavik Intl London Gatwick

9:25 am - 3:15 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

34h 50m2 stops Madrid Barajas Lisbon Humberto Delgado

$813Multiple Airlines

Sun, Nov 8 - Fri, Nov 20

9:55 am - 11:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

20h 35m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

7:50 am - 8:23 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

17h 33m2 stops London Heathrow Montreal Pierre Elliott Trudeau Intl

$921Air Canada

Sun, Nov 8 - Tue, Nov 24

9:55 am - 1:50 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

22h 55m2 stops Toronto Pearson Intl London Gatwick

10:15 am - 3:15 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

34h 00m3 stops London Stansted Madrid Barajas Lisbon Humberto Delgado

$923Multiple Airlines

Wed, Nov 18 - Wed, Nov 25

6:32 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 13m2 stops New York John F Kennedy Intl London Heathrow

8:05 pm - 5:00 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

25h 55m1 stop London Heathrow

$933Multiple Airlines

Sun, Nov 8 - Tue, Nov 24

6:05 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 40m1 stop London Heathrow

2:00 pm - 8:59 amSNN Shannon-IAD Washington, D.C. Dulles Intl

23h 59m2 stops Boston Logan Intl Charlotte Douglas

$963American Airlines

Sun, Nov 8 - Fri, Nov 20

9:45 pm - 3:45 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

13h 00m1 stop London Heathrow

2:40 pm - 1:52 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

28h 12m2 stops New York John F Kennedy Intl Charlotte Douglas

$1,086American Airlines

Fri, Mar 5 - Sat, Mar 13

9:33 am - 6:10 amIAD Washington, D.C. Dulles Intl-SNN Shannon

15h 37m2 stops Charlotte Douglas New York John F Kennedy Intl

2:00 pm - 8:59 amSNN Shannon-IAD Washington, D.C. Dulles Intl

23h 59m2 stops Boston Logan Intl Charlotte Douglas

$1,228American Airlines

Fri, Nov 20 - Fri, Nov 27

11:48 am - 6:10 amIAD Washington, D.C. Dulles Intl-SNN Shannon

13h 22m2 stops Charlotte Douglas New York John F Kennedy Intl

7:50 am - 3:40 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

12h 50m1 stop London Heathrow

$1,691American Airlines

Sat, Nov 14 - Sat, Nov 28

Cheap last minute flights

Enter your travel dates to find the best prices.

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

30h 35m1 stop Newark

12:30 pm - 11:25 amSNN Shannon-IAD Washington, D.C. Dulles Intl

27h 55m1 stop Newark

$894United Airlines

Sat, Oct 10 - Fri, Oct 23

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 14 - Sun, Oct 18

8:55 pm - 4:10 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

14h 15m2 stops Dublin London Heathrow

9:15 pm - 3:45 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

23h 30m2 stops London Heathrow Dublin

$1,010Aer Lingus

Wed, Oct 14 - Sun, Oct 18

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

11h 25m1 stop Newark

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

13h 57m1 stop Newark

$1,015United Airlines

Thu, Oct 15 - Mon, Oct 19

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

11h 25m1 stop Newark

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

13h 57m1 stop Newark

$1,076United Airlines

Thu, Oct 15 - Sun, Oct 18

10:25 pm - 4:10 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

12h 45m1 stop London Heathrow

9:15 pm - 3:45 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

23h 30m2 stops London Heathrow Dublin

$1,124Aer Lingus

Wed, Oct 14 - Sun, Oct 18

9:45 am - 11:20 amIAD Washington, D.C. Dulles Intl-SNN Shannon

20h 35m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

7:30 am - 3:25 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

36h 55m2 stops London Heathrow Toronto Pearson Intl

$1,208Multiple Airlines

Wed, Oct 14 - Sun, Oct 18

10:05 pm - 9:45 amIAD Washington, D.C. Dulles Intl-SNN Shannon

30h 40m1 stop London Heathrow

6:30 am - 2:15 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

36h 45m2 stops London Stansted Bogotá El Dorado

$1,308Multiple Airlines

Sat, Oct 10 - Fri, Oct 23

10:25 pm - 4:10 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

12h 45m1 stop London Heathrow

9:15 pm - 6:50 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

50h 35m2 stops London Heathrow Madrid Barajas

$1,311British Airways

Wed, Oct 14 - Sun, Oct 18

9:15 am - 5:25 amIAD Washington, D.C. Dulles Intl-SNN Shannon

15h 10m2 stops Charlotte Douglas Boston Logan Intl

7:30 am - 9:16 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

18h 46m2 stops London Heathrow Charlotte Douglas

$1,615American Airlines

Sat, Oct 10 - Fri, Oct 23

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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

Oct 16

IAD8:55 pmWashington, D.C. Dulles Intl

13h 55m

2 stops

SNN3:50 pmShannon

Oct 22

SNN7:30 amShannon

16h 40m

2 stops

IAD7:10 pmWashington, D.C. Dulles Intl

$1,000

Aer Lingus

Oct 14

IAD8:55 pmWashington, D.C. Dulles Intl

14h 15m

2 stops

SNN4:10 pmShannon

Oct 18

SNN9:15 pmShannon

23h 30m

2 stops

IAD3:45 pmWashington, D.C. Dulles Intl

$1,010

Aer Lingus

Oct 16

IAD5:15 pmWashington, D.C. Dulles Intl

17h 35m

2 stops

SNN3:50 pmShannon

Oct 22

SNN7:30 amShannon

16h 40m

2 stops

IAD7:10 pmWashington, D.C. Dulles Intl

$1,024

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

Nov 8

IAD6:05 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

SNN11:30 amShannon

Nov 24

SNN7:50 amShannon

12h 50m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$955

British Airways

Nov 11

IAD6:05 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

SNN11:30 amShannon

Nov 26

SNN8:05 pmShannon

24h 35m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$956

British Airways

Feb 7

IAD9:45 pmWashington, D.C. Dulles Intl

16h 40m

1 stop

SNN7:25 pmShannon

Feb 14

SNN8:05 pmShannon

24h 35m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$958

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 4/4

10:10 pm-10:15 am

1 stop31h 05m

Shannon

Thu 4/8

12:30 pm-11:00 pm

1 stop15h 30m

$759

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sun 11/8

7:40 pm-11:35 pm

3 stops22h 55m

Shannon

Fri 11/20

9:25 am-3:15 pm

2 stops34h 50m

$782

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sun 11/8

7:40 pm-7:45 pm

2 stops19h 05m

Shannon

Fri 11/20

9:25 am-3:15 pm

2 stops34h 50m

$813

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sun 11/8

9:55 am-11:30 am

2 stops20h 35m

Shannon

Tue 11/24

7:50 am-8:23 pm

2 stops17h 33m

$921

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 11/18

9:55 am-1:50 pm

2 stops22h 55m

Shannon

Wed 11/25

10:15 am-3:15 pm

3 stops34h 00m

$923

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sun 11/8

6:32 pm-4:45 pm

2 stops17h 13m

Shannon

Tue 11/24

8:05 pm-5:00 pm

1 stop25h 55m

$933

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sun 11/8

6:05 pm-4:45 pm

1 stop17h 40m

Shannon

Fri 11/20

2:00 pm-8:59 am

2 stops23h 59m

$963

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Fri 3/5

9:45 pm-3:45 pm

1 stop13h 00m

Shannon

Sat 3/13

2:40 pm-1:52 pm

2 stops28h 12m

$1,086

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Fri 11/20

9:33 am-6:10 am

2 stops15h 37m

Shannon

Fri 11/27

2:00 pm-8:59 am

2 stops23h 59m

$1,228

Quickest round-trip

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sat 11/14

11:48 am-6:10 am

2 stops13h 22m

Shannon

Sat 11/28

7:50 am-3:40 pm

1 stop12h 50m

$1,691

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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, United Airlines, and British Airways 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 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	$396
Fastest flight time	11h 25m
Direct flights	None

The best one-way flight to Shannon, Clare from Washington, D.C. Dulles Intl Airport in the past 72 hours is $396. 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 $759.

The fastest flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare takes 11h 25m

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 25m.
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
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.0 12,146 reviews	Search American Airlines flights
Delta	PriceFrom $681	Free Cancellation	Rating 7.8 8,646 reviews	Search Delta flights
United Airlines	PriceFrom $753	Free Cancellation	Rating 7.4 10,322 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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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

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

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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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