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 September 2026, there are 2 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.

$269 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.

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

$638United Airlines

Fri, Oct 16 - Fri, Oct 23

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

$644United Airlines

Wed, Oct 14 - Wed, Oct 21

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

$648United Airlines

Mon, Oct 12 - Mon, Oct 19

9:55 pm - 7:25 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

16h 30m1 stop London Heathrow

8:05 pm - 3:40 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

24h 35m1 stop London Heathrow

$745British Airways

Wed, Jan 13 - Mon, Jan 18

9:55 pm - 7:25 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

16h 30m1 stop London Heathrow

8:05 pm - 3:40 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

24h 35m1 stop London Heathrow

$745British Airways

Wed, Feb 10 - Mon, Feb 15

9:50 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

14h 55m2 stops Dublin London Heathrow

8:05 pm - 7:20 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

28h 15m2 stops London Heathrow Dublin

$755Aer Lingus

Wed, Oct 28 - Wed, Nov 4

10:55 pm - 7:25 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

16h 30m1 stop London Heathrow

5:30 pm - 3:45 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

27h 15m2 stops London Heathrow Dublin

$755British Airways

Wed, Oct 28 - Wed, Nov 4

3:45 pm - 11:20 amIAD Washington, D.C. Dulles Intl-SNN Shannon

14h 35m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

8:05 pm - 8:10 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

29h 05m2 stops London Heathrow Toronto Pearson Intl

$757Air Canada

Sun, Oct 18 - Mon, Nov 2

9:55 pm - 7:25 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

16h 30m1 stop London Heathrow

8:05 pm - 3:45 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

24h 40m2 stops London Heathrow Dublin

$759Aer Lingus

Wed, Feb 10 - Mon, Feb 15

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

12h 25m1 stop London Heathrow

8:05 pm - 3:40 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

24h 35m1 stop London Heathrow

$759British Airways

Wed, Oct 28 - Wed, Nov 4

Cheap last minute flights

Enter your travel dates to find the best prices.

8:35 am - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

20h 40m1 stop Newark

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

13h 57m1 stop Newark

$579United Airlines

Sun, Sep 20 - Tue, Oct 6

5:17 pm - 4:10 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 53m2 stops Toronto Pearson Intl London Heathrow

7:30 am - 8:25 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

17h 55m2 stops London Heathrow Toronto Pearson Intl

$789Multiple Airlines

Mon, Sep 21 - Tue, Oct 6

5:45 pm - 11:20 amIAD Washington, D.C. Dulles Intl-SNN Shannon

12h 35m1 stop London Heathrow

9:15 pm - 3:55 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

23h 40m1 stop London Heathrow

$790British Airways

Mon, Sep 21 - Tue, Oct 6

5:45 pm - 11:20 amIAD Washington, D.C. Dulles Intl-SNN Shannon

12h 35m1 stop London Heathrow

7:30 am - 11:33 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

21h 03m2 stops London Heathrow Charlotte Douglas

$804American Airlines

Mon, Sep 21 - Tue, Oct 6

5:15 pm - 8:35 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

22h 20m2 stops Dublin London Heathrow

7:30 am - 7:35 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

17h 05m2 stops London Heathrow Dublin

$886Aer Lingus

Sun, Sep 20 - Tue, Oct 6

5:15 pm - 8:35 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

22h 20m2 stops Dublin London Heathrow

7:30 am - 7:35 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

17h 05m2 stops London Heathrow Dublin

$888Aer Lingus

Sun, Sep 20 - Tue, Oct 6

6:13 am - 7:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

20h 17m1 stop Chicago O'Hare Intl

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

13h 57m1 stop Newark

$905United Airlines

Sun, Sep 20 - Tue, Oct 6

3:15 pm - 7:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

11h 15m1 stop Chicago O'Hare Intl

7:30 am - 8:25 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

17h 55m2 stops London Heathrow Toronto Pearson Intl

$958Multiple Airlines

Sun, Sep 20 - Tue, Oct 6

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

14h 15m2 stops Dublin London Heathrow

9:15 pm - 7:10 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

26h 55m2 stops London Heathrow Dublin

$994Aer Lingus

Wed, Sep 23 - Wed, Sep 30

5:00 pm - 11:45 amIAD Washington, D.C. Dulles Intl-SNN Shannon

13h 45m1 stop Madrid Barajas

2:05 pm - 3:10 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

30h 05m2 stops Madrid Barajas Lisbon Humberto Delgado

$1,075Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

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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

Oct 18

IAD3:45 pmWashington, D.C. Dulles Intl

14h 35m

2 stops

SNN11:20 amShannon

Nov 2

SNN8:05 pmShannon

29h 05m

2 stops

IAD8:10 pmWashington, D.C. Dulles Intl

$757

Air Canada

Sep 27

IAD5:40 pmWashington, D.C. Dulles Intl

17h 30m

2 stops

SNN4:10 pmShannon

Oct 13

SNN9:15 pmShannon

26h 45m

2 stops

IAD7:00 pmWashington, D.C. Dulles Intl

$843

Air Canada

Nov 8

IAD9:55 amWashington, D.C. Dulles Intl

20h 35m

2 stops

SNN11:30 amShannon

Nov 14

SNN5:10 pmShannon

32h 13m

2 stops

IAD8:23 pmWashington, D.C. Dulles Intl

$864

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 13

IAD9:55 pmWashington, D.C. Dulles Intl

16h 30m

1 stop

SNN7:25 pmShannon

Jan 18

SNN8:05 pmShannon

24h 35m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$745

British Airways

Oct 28

IAD10:55 pmWashington, D.C. Dulles Intl

16h 30m

1 stop

SNN7:25 pmShannon

Nov 4

SNN5:30 pmShannon

27h 15m

2 stops

IAD3:45 pmWashington, D.C. Dulles Intl

$755

British Airways

Oct 18

IAD7:15 pmWashington, D.C. Dulles Intl

11h 05m

1 stop

SNN11:20 amShannon

Nov 2

SNN8:05 pmShannon

24h 35m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$759

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

Quickest round-trip

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Fri 10/16

5:50 pm-10:15 am

1 stop11h 25m

Shannon

Fri 10/23

12:30 pm-10:59 pm

1 stop15h 29m

$638

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 10/14

10:40 pm-10:15 am

1 stop30h 35m

Shannon

Wed 10/21

12:30 pm-10:59 pm

1 stop15h 29m

$644

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Mon 10/12

12:38 pm-10:15 am

1 stop16h 37m

Shannon

Mon 10/19

12:30 pm-10:59 pm

1 stop15h 29m

$648

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 1/13

9:55 pm-7:25 pm

1 stop16h 30m

Shannon

Mon 1/18

8:05 pm-3:40 pm

1 stop24h 35m

$745

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 2/10

9:55 pm-7:25 pm

1 stop16h 30m

Shannon

Mon 2/15

8:05 pm-3:40 pm

1 stop24h 35m

$745

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 10/28

9:50 pm-4:45 pm

2 stops14h 55m

Shannon

Wed 11/4

8:05 pm-7:20 pm

2 stops28h 15m

$755

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 10/28

10:55 pm-7:25 pm

1 stop16h 30m

Shannon

Wed 11/4

5:30 pm-3:45 pm

2 stops27h 15m

$755

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sun 10/18

3:45 pm-11:20 am

2 stops14h 35m

Shannon

Mon 11/2

8:05 pm-8:10 pm

2 stops29h 05m

$757

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 2/10

9:55 pm-7:25 pm

1 stop16h 30m

Shannon

Mon 2/15

8:05 pm-3:45 pm

2 stops24h 40m

$759

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 10/28

7:05 pm-11:30 am

1 stop12h 25m

Shannon

Wed 11/4

8:05 pm-3:40 pm

1 stop24h 35m

$759

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?

British Airways and Aer Lingus are the most popular carriers operating from Washington, D.C. Dulles Intl to Shannon

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	$269
Fastest flight time	11h 05m
Direct flights	None

The best one-way flight to Shannon, Clare from Washington, D.C. Dulles Intl Airport in the past 72 hours is $269. 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 $638.

The fastest flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare takes 11h 05m

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 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?
As of September 2026, there are 2 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 56% of the total bookings. Other popular airlines include United Airlines with 44%.

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 $157	Free Cancellation	Rating 7.8 8,586 reviews		Search Delta flights
United Airlines	PriceFrom $753	Free Cancellation	Rating 7.4 10,227 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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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

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?

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

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

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An easier way to manage your Shannon, Clare trip

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List of cabin classes available on flights landing in Shannon. Availability may vary depending on flight origin and airline.

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