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.

$310 Cheap Flights from Washington, D.C. Dulles Intl Airport to Shannon, Clare in 2026

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.

10:40 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

$704United Airlines

Fri, Oct 9 - Sat, Oct 24

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

22h 30m1 stop Newark

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

15h 29m1 stop Newark

$704United Airlines

Fri, Oct 16 - Sat, Oct 24

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

12h 45m1 stop London Heathrow

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

12h 50m1 stop London Heathrow

$752British Airways

Tue, Oct 20 - Tue, Nov 3

6:05 pm - 11:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

12h 25m1 stop London Heathrow

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

12h 50m1 stop London Heathrow

$752Multiple Airlines

Wed, Feb 24 - Tue, Mar 2

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

17h 40m1 stop London Heathrow

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

28h 15m2 stops London Heathrow Dublin

$754Aer Lingus

Mon, Oct 26 - Mon, Nov 2

7:15 pm - 4:10 pmIAD Washington, D.C. Dulles Intl-SNN Shannon

15h 55m2 stops Charlotte Douglas London Heathrow

2:00 pm - 1:53 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

27h 53m2 stops Boston Logan Intl Charlotte Douglas

$884American Airlines

Sun, Oct 18 - Sat, Oct 31

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

$896United Airlines

Fri, Oct 16 - Sat, Oct 24

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

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

$1,298American 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

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

23h 41m2 stops Boston Logan Intl Charlotte Douglas

$1,300American Airlines

Sat, Dec 19 - Sat, Dec 26

Cheap last minute flights

Enter your travel dates to find the best prices.

8:20 am - 7:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

18h 10m1 stop Chicago O'Hare Intl

12:30 pm - 9:28 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

13h 58m1 stop Newark

$698United Airlines

Thu, Sep 17 - Sun, Sep 20

6:26 pm - 11:10 amIAD Washington, D.C. Dulles Intl-SNN Shannon

11h 44m1 stop New York John F Kennedy Intl

1:05 pm - 12:41 amSNN Shannon-IAD Washington, D.C. Dulles Intl

16h 36m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$703KLM

Thu, Sep 17 - Sun, Sep 20

8:20 am - 7:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

18h 10m1 stop Chicago O'Hare Intl

9:30 am - 9:23 amSNN Shannon-IAD Washington, D.C. Dulles Intl

28h 53m1 stop Chicago O'Hare Intl

$705United Airlines

Thu, Sep 17 - Sun, Sep 20

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

14h 15m2 stops Dublin London Heathrow

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

27h 10m2 stops London Heathrow Dublin

$786Aer Lingus

Wed, Sep 16 - Tue, Sep 22

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

12h 45m1 stop London Heathrow

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

23h 40m1 stop London Heathrow

$790British Airways

Wed, Sep 16 - Tue, Sep 22

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

12h 45m1 stop London Heathrow

7:30 am - 6:50 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

16h 20m2 stops London Heathrow Madrid Barajas

$817British Airways

Wed, Sep 16 - Tue, Sep 22

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

$905United Airlines

Wed, Sep 16 - Tue, Sep 22

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

11h 15m1 stop Chicago O'Hare Intl

9:30 am - 9:20 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

16h 50m1 stop Chicago O'Hare Intl

$1,015United Airlines

Thu, Sep 17 - Sun, Sep 20

1:10 pm - 7:30 amIAD Washington, D.C. Dulles Intl-SNN Shannon

13h 20m1 stop Chicago O'Hare Intl

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

15h 29m1 stop Newark

$1,015United Airlines

Thu, Sep 17 - Sun, Sep 20

7:15 pm - 11:20 amIAD Washington, D.C. Dulles Intl-SNN Shannon

11h 05m1 stop London Heathrow

1:45 pm - 10:51 pmSNN Shannon-IAD Washington, D.C. Dulles Intl

14h 06m2 stops Boston Logan Intl Charlotte Douglas

$4,831American Airlines

Sun, Sep 13 - Mon, Sep 28

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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 27

IAD4:30 pmWashington, D.C. Dulles Intl

20h 15m

2 stops

SNN4:45 pmShannon

Nov 3

SNN7:50 amShannon

17h 33m

2 stops

IAD8:23 pmWashington, D.C. Dulles Intl

$790

Air Canada

Sep 20

IAD3:45 pmWashington, D.C. Dulles Intl

19h 25m

2 stops

SNN4:10 pmShannon

Oct 6

SNN7:30 amShannon

36h 27m

2 stops

IAD2:57 pmWashington, D.C. Dulles Intl

$929

Air Canada

Sep 20

IAD5:20 pmWashington, D.C. Dulles Intl

17h 50m

2 stops

SNN4:10 pmShannon

Oct 6

SNN7:30 amShannon

17h 55m

2 stops

IAD8:25 pmWashington, D.C. Dulles Intl

$989

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

Oct 20

IAD10:25 pmWashington, D.C. Dulles Intl

12h 45m

1 stop

SNN4:10 pmShannon

Nov 3

SNN7:50 amShannon

12h 50m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$752

British Airways

Oct 20

IAD5:45 pmWashington, D.C. Dulles Intl

21h 50m

1 stop

SNN8:35 pmShannon

Nov 3

SNN5:30 pmShannon

30h 50m

2 stops

IAD7:20 pmWashington, D.C. Dulles Intl

$755

British Airways

Feb 24

IAD9:55 pmWashington, D.C. Dulles Intl

16h 30m

1 stop

SNN7:25 pmShannon

Mar 2

SNN7:50 amShannon

12h 50m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$756

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

Fri 10/9

10:40 pm-10:15 am

1 stop30h 35m

Shannon

Sat 10/24

12:30 pm-10:59 pm

1 stop15h 29m

$704

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Fri 10/16

6:45 am-10:15 am

1 stop22h 30m

Shannon

Sat 10/24

12:30 pm-10:59 pm

1 stop15h 29m

$704

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Tue 10/20

10:25 pm-4:10 pm

1 stop12h 45m

Shannon

Tue 11/3

7:50 am-3:40 pm

1 stop12h 50m

$752

Quickest round-trip

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 2/24

6:05 pm-11:30 am

1 stop12h 25m

Shannon

Tue 3/2

7:50 am-3:40 pm

1 stop12h 50m

$752

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Mon 10/26

7:05 pm-4:45 pm

1 stop17h 40m

Shannon

Mon 11/2

8:05 pm-7:20 pm

2 stops28h 15m

$754

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sun 10/18

7:15 pm-4:10 pm

2 stops15h 55m

Shannon

Sat 10/31

2:00 pm-1:53 pm

2 stops27h 53m

$884

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Fri 10/16

12:38 pm-10:15 am

1 stop16h 37m

Shannon

Sat 10/24

12:30 pm-10:59 pm

1 stop15h 29m

$896

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

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

$1,298

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

2:00 pm-8:41 am

2 stops23h 41m

$1,300

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 and British Airways 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	$310
Fastest flight time	12h 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 $310. 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 $704.

The fastest flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare takes 12h 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 12h 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 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 8,567 reviews		Search Delta flights
United Airlines	PriceFrom $753	Free Cancellation	Rating 7.4 10,207 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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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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List of cabin classes available on flights landing in Shannon. Availability may vary depending on flight origin and airline.

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