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 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.

$268 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.

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

16h 37m1 stop Newark

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

27h 55m1 stop Newark

$577United Airlines

Sun, Oct 4 - Tue, Oct 20

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

16h 37m1 stop Newark

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

27h 55m1 stop Newark

$579United Airlines

Sun, Oct 4 - Tue, Oct 20

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

$698United Airlines

Fri, Oct 16 - Sat, Oct 24

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

16h 40m1 stop Newark

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

15h 29m1 stop Newark

$698United Airlines

Sat, Oct 17 - Sat, Oct 24

8:50 pm - 7:25 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

17h 35m2 stops Dublin London Heathrow

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

24h 40m2 stops London Heathrow Dublin

$774Aer Lingus

Wed, Nov 4 - Wed, Nov 11

6:05 pm - 7:25 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

20h 20m1 stop London Heathrow

7:50 am - 7:20 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

16h 30m2 stops London Heathrow Dublin

$774British Airways

Wed, Nov 4 - Wed, Nov 11

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

17h 40m1 stop London Heathrow

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

24h 35m1 stop London Heathrow

$781British Airways

Wed, Nov 4 - Wed, Nov 11

6:05 pm - 3:45 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

16h 40m1 stop London Heathrow

2:00 pm - 11:54 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

14h 54m2 stops Boston Logan Intl Charlotte Douglas

$839American Airlines

Fri, Nov 6 - Fri, Nov 13

9:33 am - 5:50 amIAD Washington, D.C. Dulles Intl-SNN Shannon

15h 17m2 stops Charlotte Douglas Boston Logan Intl

2:00 pm - 11:54 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

14h 54m2 stops Boston Logan Intl Charlotte Douglas

$852American Airlines

Fri, Nov 6 - Fri, Nov 13

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

13h 00m1 stop London Heathrow

2:00 pm - 7:48 amSNN Shannon-IAD Washington, D.C. Dulles Intl

22h 48m2 stops Boston Logan Intl Charlotte Douglas

$896American Airlines

Fri, Mar 5 - Sat, Mar 13

Cheap last minute flights

Enter your travel dates to find the best prices.

6:45 am - 10:15 amIAD Washington, D.C. Dulles Intl-SNN Shannon

22h 30m1 stop Newark

12:30 pm - 4:23 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

32h 53m1 stop Newark

$580United Airlines

Sun, Sep 27 - Tue, Oct 13

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

$588United Airlines

Sun, Sep 27 - Tue, Oct 13

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

17h 55m2 stops Dublin London Heathrow

9:15 pm - 7:25 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

27h 10m2 stops London Heathrow Dublin

$805Aer Lingus

Sun, Sep 27 - Tue, Oct 13

5:01 am - 6:00 amIAD Washington, D.C. Dulles Intl-SNN Shannon

19h 59m2 stops Charlotte Douglas New York LaGuardia

2:30 pm - 6:45 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

33h 15m2 stops New York John F Kennedy Intl Charlotte Douglas

$819American Airlines

Sun, Sep 27 - Tue, Oct 13

9:12 am - 11:20 amIAD Washington, D.C. Dulles Intl-SNN Shannon

21h 08m2 stops Charlotte Douglas London Heathrow

9:15 pm - 8:20 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

28h 05m1 stop London Heathrow

$823American Airlines

Sun, Sep 27 - Tue, Oct 13

5:00 pm - 4:10 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

18h 10m2 stops Madrid Barajas London Heathrow

9:15 pm - 5:25 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

25h 10m1 stop London Heathrow

$857British Airways

Sun, Sep 27 - Tue, Oct 13

5:00 pm - 4:10 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

18h 10m2 stops Madrid Barajas London Gatwick

9:15 pm - 5:25 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

25h 10m1 stop London Heathrow

$859British Airways

Sun, Sep 27 - Tue, Oct 13

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

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

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

17h 55m2 stops London Heathrow Toronto Pearson Intl

$882Air Canada

Sun, Sep 27 - Tue, Oct 13

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

Mon, Sep 28 - Fri, Oct 2

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

$1,171United Airlines

Mon, Sep 28 - Fri, Oct 2

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United Airlines flights from Washington, D.C. Dulles Intl Airport to Shannon, Clare

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Shannon, Clare flight tickets

United Airlines

Oct 4

IAD12:38 pmWashington, D.C. Dulles Intl

16h 37m

1 stop

SNN10:15 amShannon

Oct 20

SNN12:30 pmShannon

27h 55m

1 stop

IAD11:25 amWashington, D.C. Dulles Intl

$577

United Airlines

Oct 4

IAD12:38 pmWashington, D.C. Dulles Intl

16h 37m

1 stop

SNN10:15 amShannon

Oct 20

SNN12:30 pmShannon

27h 55m

1 stop

IAD11:25 amWashington, D.C. Dulles Intl

$579

United Airlines

Sep 27

IAD6:45 amWashington, D.C. Dulles Intl

22h 30m

1 stop

SNN10:15 amShannon

Oct 13

SNN12:30 pmShannon

32h 53m

1 stop

IAD4:23 pmWashington, D.C. Dulles Intl

$580

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

Sep 27

IAD3:45 pmWashington, D.C. Dulles Intl

14h 35m

2 stops

SNN11:20 amShannon

Oct 13

SNN7:30 amShannon

17h 55m

2 stops

IAD8:25 pmWashington, D.C. Dulles Intl

$882

Air Canada

Oct 4

IAD5:20 pmWashington, D.C. Dulles Intl

17h 50m

2 stops

SNN4:10 pmShannon

Oct 20

SNN9:15 pmShannon

26h 45m

2 stops

IAD7:00 pmWashington, D.C. Dulles Intl

$884

Air Canada

Oct 4

IAD3:45 pmWashington, D.C. Dulles Intl

14h 35m

2 stops

SNN11:20 amShannon

Oct 20

SNN7:30 amShannon

17h 55m

2 stops

IAD8:25 pmWashington, D.C. Dulles Intl

$888

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 10/4

12:38 pm-10:15 am

1 stop16h 37m

Shannon

Tue 10/20

12:30 pm-11:25 am

1 stop27h 55m

$577

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sun 10/4

12:38 pm-10:15 am

1 stop16h 37m

Shannon

Tue 10/20

12:30 pm-11:25 am

1 stop27h 55m

$579

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

Sat 10/24

12:30 pm-10:59 pm

1 stop15h 29m

$698

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sat 10/17

12:35 pm-10:15 am

1 stop16h 40m

Shannon

Sat 10/24

12:30 pm-10:59 pm

1 stop15h 29m

$698

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 11/4

8:50 pm-7:25 pm

2 stops17h 35m

Shannon

Wed 11/11

8:05 pm-3:45 pm

2 stops24h 40m

$774

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 11/4

6:05 pm-7:25 pm

1 stop20h 20m

Shannon

Wed 11/11

7:50 am-7:20 pm

2 stops16h 30m

$774

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 11/4

6:05 pm-4:45 pm

1 stop17h 40m

Shannon

Wed 11/11

8:05 pm-3:40 pm

1 stop24h 35m

$781

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Fri 11/6

6:05 pm-3:45 pm

1 stop16h 40m

Shannon

Fri 11/13

2:00 pm-11:54 pm

2 stops14h 54m

$839

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Fri 11/6

9:33 am-5:50 am

2 stops15h 17m

Shannon

Fri 11/13

2:00 pm-11:54 pm

2 stops14h 54m

$852

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

2:00 pm-7:48 am

2 stops22h 48m

$896

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?

United Airlines 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 43% 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	$268
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 $268. 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 $577.

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 September 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 43% of the total bookings. Other popular airlines include United Airlines with 34% and American Airlines with 23%.

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 8,595 reviews	Search Delta flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.0 12,075 reviews	Search American Airlines flights
United Airlines	PriceFrom $753	Free Cancellation	Rating 7.4 10,233 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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United Airlines flights from Washington, D.C. Dulles Intl Airport to Shannon, Clare

Our best United Airlines 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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