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$256+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SNN
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
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 February 21, 2026.

This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:45 am
BWI
-
SNN
1 stop15h 45m
United Airlines
Wed 9/169:30 am
SNN
-
BWI
1 stop12h 43m
United Airlines
Deal found 2/18$608
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:00 am
DCA
-
SNN
1 stop19h 10m
KLM
Wed 9/161:05 pm
SNN
-
DCA
1 stop15h 07m
KLM
Deal found 2/20$608
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:59 pm
IAD
-
SNN
1 stop10h 11m
Multiple Airlines
Wed 9/161:05 pm
SNN
-
IAD
1 stop11h 11m
Multiple Airlines
Deal found 2/20$608
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:45 am
BWI
-
SNN
2 stops18h 30m
United Airlines
Wed 9/29:30 am
SNN
-
BWI
1 stop20h 00m
United Airlines
Deal found 2/20$612
This KLM deal was found by Cheapflights users on 2/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:45 pm
DCA
-
SNN
2 stops16h 25m
Multiple Airlines
Wed 9/161:05 pm
SNN
-
DCA
2 stops14h 46m
Multiple Airlines
Deal found 2/18$612
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:30 pm
IAD
-
SNN
1 stop17h 40m
KLM
Wed 9/161:05 pm
SNN
-
IAD
2 stops16h 05m
KLM
Deal found 2/20$612
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:08 am
BWI
-
SNN
2 stops18h 07m
United Airlines
Thu 5/712:30 pm
SNN
-
BWI
2 stops26h 34m
United Airlines
Deal found 2/20$624
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:00 pm
DCA
-
SNN
1 stop11h 15m
United Airlines
Tue 4/1412:30 pm
SNN
-
DCA
1 stop12h 01m
United Airlines
Deal found 2/21$626
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:00 am
BWI
-
SNN
2 stops23h 15m
United Airlines
Tue 4/1412:30 pm
SNN
-
BWI
2 stops26h 32m
United Airlines
Deal found 2/21$630
This KAYAK deal was found by Cheapflights users on 2/20. 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.
Sun 9/61:00 pm
DCA
-
SNN
1 stop13h 30m
Lufthansa
Wed 9/1612:30 pm
SNN
-
DCA
1 stop14h 23m
Lufthansa
Deal found 2/20$657
This KAYAK deal was found by Cheapflights users on 2/20. 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.
Sun 9/610:08 am
IAD
-
SNN
1 stop16h 22m
Lufthansa
Wed 9/169:30 am
SNN
-
IAD
1 stop11h 31m
Lufthansa
Deal found 2/20$657
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:59 pm
IAD
-
SNN
1 stop10h 11m
Delta
Tue 9/151:05 pm
SNN
-
IAD
1 stop11h 11m
Delta
Deal found 2/17$658

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 February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$608
(United Airlines)

One-way from

$256
(Mytrip)

Popular in

June

Cheapest in

January
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. 8% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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 February 21, 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

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 4/27

6:00 pm-10:15 am

1 stop11h 15m

Shannon

Thu 5/7

12:30 pm-7:31 pm

1 stop12h 01m

$608

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 4/7

6:00 pm-10:15 am

1 stop11h 15m

Shannon

Tue 4/14

12:30 pm-7:31 pm

1 stop12h 01m

$626

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Thu 4/9

6:00 am-10:15 am

2 stops23h 15m

Shannon

Tue 4/14

12:30 pm-10:02 am

2 stops26h 32m

$680

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Sun 7/12

8:15 am-7:30 am

1 stop18h 15m

Shannon

Tue 7/21

9:30 am-5:33 pm

1 stop13h 03m

$766

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 7/12

1:00 pm-7:30 am

1 stop13h 30m

Shannon

Tue 7/21

9:30 am-3:47 pm

1 stop11h 17m

$766

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/12

3:42 pm-7:30 am

1 stop10h 48m

Shannon

Tue 7/21

9:30 am-6:56 pm

1 stop14h 26m

$766

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 7/20

3:55 pm-11:10 am

2 stops14h 15m

Shannon

Tue 7/28

1:05 pm-11:12 pm

1 stop15h 07m

$770

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Sat 7/11

5:11 pm-7:30 am

1 stop33h 19m

Shannon

Wed 7/22

9:30 am-9:03 pm

1 stop16h 33m

$772

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 7/11

7:10 pm-7:30 am

1 stop31h 20m

Shannon

Wed 7/22

9:30 am-6:12 pm

1 stop13h 42m

$772

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 7/11

5:38 pm-7:30 am

1 stop32h 52m

Shannon

Wed 7/22

9:30 am-12:45 am

1 stop20h 15m

$772

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 52 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
No data available for this route at this time. Please check back soon.

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 February 21, 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
9,335 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

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
9,335 reviews
United Airlines
7.4
Good
9,335 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

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
11,334 reviews
United Airlines
7.4
Good
9,335 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

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 $608, United Airlines 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 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 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

Browse thousands of different options on Cheapflights for your next trip

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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 February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$157Average$1,009FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$793FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$507Average$790FlexibilityNo cancel feeOn-time69%
KLMCheapest$643Average$644FlexibilityNo cancel feeOn-time75%

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