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$301+ Cheap flights from Washington, D.C. (WAS) to Galway, Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SNN
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Galway

Cheapest flights from Washington, D.C. to Galway
Explore the most affordable flight options available from Washington, D.C. to Galway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 24, 2026.

This oojo deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:15 pm
IAD
-
SNN
2 stops17h 55m
British Airways
Wed 5/137:30 am
SNN
-
IAD
2 stops16h 40m
British Airways
Deal found 1/21$471
This oojo deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:40 pm
IAD
-
SNN
2 stops14h 30m
British Airways
Wed 4/159:15 pm
SNN
-
IAD
2 stops23h 30m
British Airways
Deal found 1/22$472
This KAYAK deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:30 pm
BWI
-
SNN
1 stop13h 40m
British Airways
Wed 4/157:30 am
SNN
-
BWI
1 stop17h 10m
British Airways
Deal found 1/22$479
This oojo deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:00 pm
IAD
-
SNN
2 stops14h 45m
British Airways
Tue 3/107:50 am
SNN
-
IAD
2 stops16h 40m
British Airways
Deal found 1/22$479
This KAYAK deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:25 pm
BWI
-
SNN
1 stop10h 55m
British Airways
Wed 9/167:30 am
SNN
-
BWI
1 stop14h 45m
British Airways
Deal found 1/22$480
This oojo deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:20 pm
IAD
-
SNN
1 stop12h 10m
British Airways
Wed 3/118:05 pm
SNN
-
IAD
2 stops24h 30m
British Airways
Deal found 1/22$481
This oojo deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:40 pm
IAD
-
SNN
1 stop12h 40m
British Airways
Wed 4/227:30 am
SNN
-
IAD
2 stops16h 40m
British Airways
Deal found 1/22$482
This KAYAK deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:30 pm
BWI
-
SNN
1 stop13h 40m
British Airways
Wed 4/227:30 am
SNN
-
BWI
1 stop17h 10m
British Airways
Deal found 1/22$489
This oojo deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:43 pm
DCA
-
SNN
2 stops13h 37m
British Airways
Wed 5/134:55 pm
SNN
-
DCA
2 stops19h 51m
British Airways
Deal found 1/21$489
This KAYAK deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:35 pm
BWI
-
SNN
1 stop15h 10m
British Airways
Tue 3/107:50 am
SNN
-
BWI
1 stop15h 55m
British Airways
Deal found 1/22$490
This oojo deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:28 pm
DCA
-
SNN
2 stops13h 52m
British Airways
Tue 4/149:15 pm
SNN
-
DCA
2 stops24h 30m
British Airways
Deal found 1/22$490
This oojo deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:20 pm
IAD
-
SNN
2 stops17h 50m
British Airways
Thu 8/204:55 pm
SNN
-
IAD
2 stops27h 50m
British Airways
Deal found 1/22$491

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

Keep the following information in mind while searching for Washington, D.C. to Galway flight deals. Data was last updated January 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$471
(oojo)

One-way from

$301
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$1,027
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 Galway
Search Deals
One-way flight from Washington, D.C. (WAS) to Galway
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Galway that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 24, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Galway that are best for you.

Fly from

Washington, D.C.

Fly to

Galway

Route

Depart

Return

Price

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 4/6

10:25 pm-8:35 pm

1 stop17h 10m

Shannon

Wed 4/15

7:30 am-7:10 pm

2 stops16h 40m

$472

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 5/6

7:15 pm-11:20 am

1 stop11h 05m

Shannon

Wed 5/13

7:30 am-7:10 pm

2 stops16h 40m

$472

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 4/6

10:25 pm-8:35 pm

1 stop17h 10m

Shannon

Tue 4/14

7:30 am-7:35 pm

2 stops17h 05m

$472

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 4/15

5:40 pm-11:20 am

1 stop12h 40m

Shannon

Wed 4/22

7:30 am-7:10 pm

2 stops16h 40m

$482

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 4/15

9:30 pm-4:10 pm

1 stop13h 40m

Shannon

Wed 4/22

7:30 am-7:40 pm

1 stop17h 10m

$489

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 3/3

6:37 pm-4:45 pm

2 stops17h 08m

Shannon

Tue 3/10

7:50 am-7:45 pm

1 stop15h 55m

$491

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 5/6

9:30 pm-8:35 pm

1 stop18h 05m

Shannon

Wed 5/13

7:30 am-7:34 pm

2 stops17h 04m

$493

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 4/6

5:25 pm-11:20 am

2 stops12h 55m

Shannon

Tue 4/14

2:30 pm-10:17 pm

1 stop12h 47m

$498

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 5/6

3:50 pm-11:20 am

2 stops14h 30m

Shannon

Wed 5/13

2:30 pm-10:17 pm

1 stop12h 47m

$498

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 4/15

1:45 pm-11:20 am

2 stops16h 35m

Shannon

Wed 4/22

7:30 am-10:15 pm

2 stops19h 45m

$500

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 42 results
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Best time to book a flight from Washington, D.C. to Galway

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

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

Reviews of airlines servicing Galway

Get insights into the airlines that provide service to Galway. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Galway. Reviews last updated January 24, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Washington, D.C. to Galway to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,194 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,194 reviews
United Airlines
7.4
Good
9,194 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,192 reviews
United Airlines
7.4
Good
9,194 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Galway. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Galway?

    For as low as $507, British Airways can have you in Galway from Washington, D.C. in 11h 15m. Washington, D.C. and Galway are separated by a distance of 3284 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Washington, D.C. to Galway?

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

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

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

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

    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 Galway.

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Galway 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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Top 4 airlines flying from Washington, D.C. to Galway

Discover the top 4 airlines that operate flights from Washington, D.C. to Galway. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$795FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$832FlexibilityNo cancel feeOn-time71%
KLMCheapest$643Average$644FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$646Average$798FlexibilityNo cancel feeOn-time69%

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