How long is the flight from Washington, D.C. to Shannon, Clare?

There are many flights that can get you from Washington, D.C. to Shannon, Clare in 13h 55m. Fly via British Airways or United Airlines to get the fastest option. The distance between Washington, D.C. and Shannon, Clare is about 3284 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Washington, D.C. to Shannon, Clare round-trip?

According to our current data, Delta ($157), American Airlines ($489), and United Airlines ($753) offers the cheapest pricing from Washington, D.C. to Shannon, Clare. You may be able to fly from Washington, D.C. to Shannon, Clare for 81% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Shannon, Clare ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon, Clare when rainfall is around 2.3 in.

If weather is an important factor for your trip to Shannon, Clare, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

What are the most popular routes from Washington, D.C. to Shannon, Clare?

Most travelers choose Baltimore/Washington - Shannon, Washington, D.C. Dulles Intl - Shannon or Washington, D.C. Reagan-National - Shannon when deciding on the best route from Washington, D.C. to Shannon, Clare.

What are the most popular airlines that fly from Washington, D.C. to Shannon, Clare?

Delta, United Airlines and American Airlines are the most popular airlines when flying from Washington, D.C. to Shannon, Clare.

What is the cheapest time of day to fly from WAS to SNN?

When flying from Washington, D.C. to Shannon, Clare, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Washington, D.C.-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Shannon, Clare flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-Shannon, Clare flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Shannon from Washington, D.C.?

If you book a flight to Shannon from Washington, D.C., you will be flying to Shannon, which is the city’s only airport. Shannon (SNN) is located 2.1 mi from the center of Shannon. There are 0 flights from Washington, D.C. to Shannon per day from 3 different airlines.

Can I find deals for flights from Washington, D.C. to Shannon that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Shannon?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Shannon.

Can I find deals for business class flights from Washington, D.C. to Shannon?

Yes. Cheapflights offers flight deals from Washington, D.C. to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$251+ Cheap Flights from Washington, D.C. to Shannon

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheap flight deals from Washington, D.C. to Shannon

Cheapest

Best

Last-minute

One-way

Cheapest flights from Washington, D.C. to Shannon
Explore the most affordable flight options available from Washington, D.C. to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.

Mon 10/511:45 am -

1 stop17h 30m

Tue 10/2012:30 pm -

1 stop27h 14m

Deal found 9/7

$778

Mon 10/56:45 am -

1 stop22h 30m

Tue 10/2012:30 pm -

1 stop15h 29m

Deal found 9/7

$778

Mon 10/57:15 pm -

1 stop15h 55m

Tue 10/207:30 am -

1 stop14h 55m

Deal found 9/8

$780

Sun 10/45:50 pm -

1 stop11h 25m

Tue 10/2012:30 pm -

1 stop15h 29m

Deal found 9/4

$786

Mon 10/52:59 pm -

1 stop9h 26m

Tue 10/201:45 pm -

1 stop12h 55m

Deal found 9/8

$808

Thu 9/245:45 pm -

1 stop21h 50m

Wed 9/307:30 am -

1 stop13h 25m

Deal found 9/8

$828

Sun 10/188:30 pm -

2 stops14h 40m

Mon 11/25:30 pm -

2 stops30h 10m

Deal found 9/7

$831

Thu 10/88:40 pm -

2 stops14h 30m

Thu 10/159:15 pm -

2 stops23h 30m

Deal found 9/8

$845

Mon 10/59:09 am -

2 stops20h 06m

Mon 10/1212:30 pm -

2 stops30h 28m

Deal found 9/7

$851

Thu 10/812:38 pm -

1 stop16h 37m

Wed 10/1412:30 pm -

1 stop15h 29m

Deal found 9/7

$851

Thu 10/14:59 pm -

2 stops22h 36m

Wed 10/77:30 am -

2 stops16h 35m

Deal found 9/8

$852

Thu 10/88:25 am -

1 stop20h 50m

Wed 10/1412:30 pm -

1 stop24h 19m

Deal found 9/7

$862

Best flights from Washington, D.C. to Shannon
Discover carefully curated flight deals from Washington, D.C. to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.

Wed 2/244:35 pm -

2 stops13h 55m

Tue 3/28:05 pm -

2 stops25h 53m

Deal found 9/8

$770

Mon 10/511:45 am -

1 stop17h 30m

Tue 10/2012:30 pm -

1 stop27h 14m

Deal found 9/7

$778

Wed 2/243:55 pm -

1 stop8h 55m

Tue 3/22:00 pm -

1 stop12h 15m

Deal found 9/8

$783

Tue 12/14:00 pm -

2 stops14h 30m

Mon 12/78:05 pm -

2 stops30h 54m

Deal found 9/4

$918

Tue 10/209:40 am -

1 stop14h 45m

Tue 10/272:00 pm -

1 stop11h 40m

Deal found 9/5

$1,006

Mon 10/56:45 am -

1 stop22h 30m

Tue 10/2012:30 pm -

1 stop15h 29m

Deal found 9/7

$778

Sun 10/187:15 pm -

1 stop11h 05m

Mon 11/28:05 pm -

1 stop24h 35m

Deal found 9/7

$887

Sun 10/189:45 am -

3 stops24h 50m

Mon 11/25:30 pm -

3 stops31h 40m

Deal found 9/7

$922

Sun 11/156:55 pm -

2 stops16h 50m

Wed 11/257:50 am -

2 stops17h 08m

Deal found 9/4

$927

Mon 10/59:09 am -

2 stops20h 06m

Mon 10/1212:30 pm -

2 stops30h 28m

Deal found 9/7

$851

Thu 10/18:25 pm -

2 stops19h 10m

Wed 10/79:15 pm -

2 stops26h 35m

Deal found 9/8

$913

Mon 11/166:55 pm -

2 stops16h 50m

Wed 11/257:50 am -

2 stops17h 08m

Deal found 9/4

$927

Sat 10/310:40 am -

1 stop18h 35m

Sat 10/1012:30 pm -

1 stop14h 29m

Deal found 9/5

$896

Tue 11/1711:00 am -

2 stops27h 25m

Wed 12/25:30 pm -

1 stop28h 35m

Deal found 9/7

$924

Wed 11/116:55 pm -

2 stops16h 50m

Fri 11/277:50 am -

2 stops15h 28m

Deal found 9/4

$927

Tue 10/2012:50 pm -

3 stops18h 00m

Tue 10/277:50 am -

3 stops30h 39m

Deal found 9/5

$1,027

Thu 10/810:30 am -

1 stop18h 45m

Thu 10/1512:30 pm -

1 stop12h 09m

Deal found 9/8

$903

Sun 10/189:35 pm -

1 stop18h 00m

Mon 11/28:05 pm -

2 stops25h 55m

Deal found 9/7

$926

Sun 11/156:55 pm -

2 stops16h 50m

Fri 11/277:50 am -

2 stops15h 28m

Deal found 9/4

$927

Thu 10/2210:25 pm -

1 stop17h 10m

Thu 10/297:50 am -

1 stop12h 50m

Deal found 9/7

$1,044

Wed 10/219:30 pm -

1 stop18h 05m

Wed 10/287:50 am -

1 stop14h 15m

Deal found 9/6

$989

Thu 10/13:45 pm -

3 stops24h 05m

Thu 10/291:25 pm -

2 stops34h 05m

Deal found 9/5

$1,091

Mon 10/512:38 pm -

1 stop16h 37m

Mon 10/1212:30 pm -

1 stop15h 29m

Deal found 9/7

$993

Mon 10/59:30 pm -

1 stop13h 40m

Mon 10/129:15 pm -

1 stop27h 25m

Deal found 9/7

$1,099

Mon 10/59:30 pm -

1 stop18h 05m

Tue 10/207:30 am -

1 stop17h 10m

Deal found 9/7

$1,014

Sat 9/1210:25 am -

1 stop16h 05m

Mon 9/219:30 am -

1 stop13h 42m

Deal found 9/5

$1,097

Fri 11/136:05 pm -

1 stop12h 25m

Wed 11/258:05 pm -

1 stop24h 35m

Deal found 9/4

$1,048

Thu 9/1712:10 pm -

1 stop14h 20m

Sun 9/209:30 am -

1 stop13h 42m

Deal found 9/7

$1,097

Thu 11/126:05 pm -

1 stop12h 25m

Wed 11/258:05 pm -

1 stop24h 35m

Deal found 9/4

$1,048

Tue 11/176:05 pm -

1 stop12h 25m

Tue 12/17:50 am -

1 stop12h 50m

Deal found 9/4

$1,055

Last-minute flights from Washington, D.C. to Shannon
Discover last-minute flight deals from Washington, D.C. to Shannon. Data last updated September 9, 2026 and is based on user searches.

Thu 9/245:45 pm -

1 stop21h 50m

Wed 9/307:30 am -

1 stop13h 25m

Deal found 9/8

$828

Thu 10/14:59 pm -

2 stops22h 36m

Wed 10/77:30 am -

2 stops16h 35m

Deal found 9/8

$852

Sun 10/45:50 pm -

1 stop11h 25m

Tue 10/2012:30 pm -

1 stop15h 29m

Deal found 9/4

$786

Mon 10/511:45 am -

1 stop17h 30m

Tue 10/2012:30 pm -

1 stop27h 14m

Deal found 9/7

$778

Mon 10/56:45 am -

1 stop22h 30m

Tue 10/2012:30 pm -

1 stop15h 29m

Deal found 9/7

$778

Mon 10/57:15 pm -

1 stop15h 55m

Tue 10/207:30 am -

1 stop14h 55m

Deal found 9/8

$780

Mon 10/52:59 pm -

1 stop9h 26m

Tue 10/201:45 pm -

1 stop12h 55m

Deal found 9/8

$808

Mon 10/59:09 am -

2 stops20h 06m

Mon 10/1212:30 pm -

2 stops30h 28m

Deal found 9/7

$851

Thu 10/88:40 pm -

2 stops14h 30m

Thu 10/159:15 pm -

2 stops23h 30m

Deal found 9/8

$845

Thu 10/812:38 pm -

1 stop16h 37m

Wed 10/1412:30 pm -

1 stop15h 29m

Deal found 9/7

$851

Thu 10/88:25 am -

1 stop20h 50m

Wed 10/1412:30 pm -

1 stop24h 19m

Deal found 9/7

$862

Sun 10/188:30 pm -

2 stops14h 40m

Mon 11/25:30 pm -

2 stops30h 10m

Deal found 9/7

$831

One-way flights from Washington, D.C. to Shannon
Search for one-way flight options from Washington, D.C. to Shannon. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.

Mon 10/53:04 pm -

2 stops20h 36m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/4

$251

Sat 10/37:09 pm -

2 stops40h 26m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$261

Sat 10/109:52 pm -

2 stops37h 43m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/5

$288

Wed 10/213:15 pm -

2 stops17h 15m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/6

$290

Wed 10/2111:12 am -

2 stops21h 18m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/6

$290

Wed 1/65:15 pm -

2 stops34h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/4

$304

Sat 10/39:33 am -

2 stops24h 22m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$310

Sat 10/36:00 pm -

3 stops41h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$311

Sat 10/101:00 pm -

3 stops46h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/5

$312

Fri 10/23:04 pm -

2 stops21h 16m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/8

$313

Sun 2/145:15 pm -

2 stops19h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$329

Sat 10/1011:12 am -

2 stops22h 43m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/5

$331

Find flight deals from Washington, D.C. to Shannon

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$778 (United Airlines)
One-way from	$251 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$875

Provider with most accurate pricing for Washington, D.C. (WAS)-Shannon flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Shannon flights.

Search Deals

From Washington, D.C. (WAS) to Shannon

Search Deals

One-way flight from Washington, D.C. (WAS) to Shannon

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($160 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($53 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Shannon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreShannon

BWI Baltimore/Washington - SNN Shannon

BWISNN

Baltimore/Washington

Mon 10/5

3:04 pm-4:40 pm

2 stops20h 36m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$251

BaltimoreShannon

BWI Baltimore/Washington - SNN Shannon

BWISNN

Baltimore/Washington

Sat 10/3

7:09 pm-4:35 pm

2 stops40h 26m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$261

BaltimoreShannon

BWI Baltimore/Washington - SNN Shannon

BWISNN

Baltimore/Washington

Sat 10/10

9:52 pm-4:35 pm

2 stops37h 43m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$288

BaltimoreShannon

BWI Baltimore/Washington - SNN Shannon

BWISNN

Baltimore/Washington

Wed 10/21

3:15 pm-1:30 pm

2 stops17h 15m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$290

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 10/21

11:12 am-1:30 pm

2 stops21h 18m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$290

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Wed 1/6

5:15 pm-9:00 am

2 stops34h 45m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$304

Washington, D.C.Shannon

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

IADSNN

Washington, D.C. Dulles Intl

Sat 10/3

9:33 am-2:55 pm

2 stops24h 22m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$310

Washington, D.C.Shannon

DCA Washington, D.C. Reagan-National - SNN Shannon

DCASNN

Washington, D.C. Reagan-National

Sat 10/3

6:00 pm-4:35 pm

3 stops41h 35m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$311

BaltimoreShannon

BWI Baltimore/Washington - SNN Shannon

BWISNN

Baltimore/Washington

Fri 10/2

3:04 pm-5:20 pm

2 stops21h 16m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$313

Washington, D.C.Shannon

DCA Washington, D.C. Reagan-National - SNN Shannon

DCASNN

Washington, D.C. Reagan-National

Wed 10/21

7:00 am-1:30 pm

3 stops25h 30m

Shannon

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/4

Showing 1-10 of 59 resultsSorted by cheapest first

...

Compare providers for flights from Washington, D.C. to Shannon

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Shannon in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C.-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Shannon, Clare flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-Shannon, Clare flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Washington, D.C. with our price prediction graph.

WAS-SNN

BWI-SNN

DCA-SNN

IAD-SNN

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Shannon

WAS-SNN

BWI-SNN

DCA-SNN

IAD-SNN

How much does it cost to fly round-trip from Washington, D.C. to Shannon, Clare?

Airfare is typical for this route at the moment.

Washington, D.C. to Shannon, Clare flights typically cost between $707 and $1,103 in February.
The cheapest round-trip price found within the last 5 days was $752 on Multiple Airlines (Feb 24-Mar 2).

Reviews of airlines servicing Shannon

Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Washington, D.C. to Shannon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,550 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

Delta

7.8

Good

8,550 reviews

Delta

7.8

Good

8,550 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

United Airlines

7.4

Good

10,183 reviews

Delta

7.8

Good

8,550 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

American Airlines

7.1

Good

12,040 reviews

Delta

7.8

Good

8,550 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

Related info for your journey

What airport do you fly into for flights to Shannon from Washington, D.C.?
If you book a flight to Shannon from Washington, D.C., you will be flying to Shannon, which is the city’s only airport. Shannon (SNN) is located 2.1 mi from the center of Shannon. There are 0 flights from Washington, D.C. to Shannon per day from 3 different airlines.
How long is the flight from Washington, D.C. to Shannon, Clare?
There are many flights that can get you from Washington, D.C. to Shannon, Clare in 13h 55m. Fly via British Airways or United Airlines to get the fastest option. The distance between Washington, D.C. and Shannon, Clare is about 3284 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Washington, D.C. to Shannon, Clare round-trip?
According to our current data, Delta ($157), American Airlines ($489), and United Airlines ($753) offers the cheapest pricing from Washington, D.C. to Shannon, Clare. You may be able to fly from Washington, D.C. to Shannon, Clare for 81% less than the average price by searching for these airlines.
What are the most popular routes from Washington, D.C. to Shannon, Clare?
Most travelers choose Baltimore/Washington - Shannon, Washington, D.C. Dulles Intl - Shannon or Washington, D.C. Reagan-National - Shannon when deciding on the best route from Washington, D.C. to Shannon, Clare.
Can I find deals for flights from Washington, D.C. to Shannon that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Shannon?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Shannon.
Can I find deals for business class flights from Washington, D.C. to Shannon?
Yes. Cheapflights offers flight deals from Washington, D.C. to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Washington, D.C. to Shannon

Dulles Intl to Dublin flights

Dulles Intl to Shannon flights

Reagan-National to Shannon flights

Dulles Intl to Cork flights

Top 3 airlines flying from Washington, D.C. to Shannon

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$157	Average$1,603	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$489	Average$633	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$753	Average$1,045	FlexibilityNo cancel fee	On-time69%

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$251+ Cheap flights from Washington, D.C. (WAS) to Shannon (SNN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Shannon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington, D.C. to Shannon

Cheapest flights from Washington, D.C. to ShannonExplore the most affordable flight options available from Washington, D.C. to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.

Explore the most affordable flight options available from Washington, D.C. to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.

Best flights from Washington, D.C. to ShannonDiscover carefully curated flight deals from Washington, D.C. to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.

Discover carefully curated flight deals from Washington, D.C. to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.

Last-minute flights from Washington, D.C. to ShannonDiscover last-minute flight deals from Washington, D.C. to Shannon. Data last updated September 9, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Shannon. Data last updated September 9, 2026 and is based on user searches.

One-way flights from Washington, D.C. to ShannonSearch for one-way flight options from Washington, D.C. to Shannon. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.

Search for one-way flight options from Washington, D.C. to Shannon. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.

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Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

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Best time to book a flight from Washington, D.C. to Shannon

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How much does it cost to fly round-trip from Washington, D.C. to Shannon, Clare?

Airfare is typical for this route at the moment.

Washington, D.C. to Shannon, Clare flights typically cost between $707 and $1,103 in February.The cheapest round-trip price found within the last 5 days was $752 on Multiple Airlines (Feb 24-Mar 2).

Reviews of airlines servicing Shannon

Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Washington, D.C. to Shannon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Shannon from Washington, D.C.?

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Alternative routes for Washington, D.C. to Shannon

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Washington, D.C. and Shannon flights

Browse other Washington, D.C. and Shannon flight options. Last updated on September 9, 2026.

Other flights from Washington, D.C.

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Other flights to Shannon

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Cheapest flights from Washington, D.C. to Shannon
Explore the most affordable flight options available from Washington, D.C. to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.

Best flights from Washington, D.C. to Shannon
Discover carefully curated flight deals from Washington, D.C. to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.

Last-minute flights from Washington, D.C. to Shannon
Discover last-minute flight deals from Washington, D.C. to Shannon. Data last updated September 9, 2026 and is based on user searches.

One-way flights from Washington, D.C. to Shannon
Search for one-way flight options from Washington, D.C. to Shannon. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.

Washington, D.C. to Shannon, Clare flights typically cost between $707 and $1,103 in February.
The cheapest round-trip price found within the last 5 days was $752 on Multiple Airlines (Feb 24-Mar 2).