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$284+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SNN
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
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 May 22, 2026.

This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1210:32 am
BWI
-
SNN
1 stop15h 58m
United Airlines
Tue 7/219:30 am
SNN
-
BWI
1 stop13h 06m
United Airlines
Deal found 5/22$807
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/123:30 pm
DCA
-
SNN
1 stop11h 00m
United Airlines
Tue 7/219:30 am
SNN
-
DCA
1 stop13h 41m
United Airlines
Deal found 5/22$807
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/123:39 pm
IAD
-
SNN
1 stop10h 51m
United Airlines
Tue 7/219:30 am
SNN
-
IAD
1 stop14h 32m
United Airlines
Deal found 5/22$807
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:00 pm
BWI
-
SNN
1 stop13h 30m
United Airlines
Sat 9/129:30 am
SNN
-
BWI
1 stop13h 43m
United Airlines
Deal found 5/22$826
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:04 pm
DCA
-
SNN
1 stop13h 26m
United Airlines
Sat 9/1212:30 pm
SNN
-
DCA
1 stop14h 29m
United Airlines
Deal found 5/22$826
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:10 pm
IAD
-
SNN
1 stop13h 20m
United Airlines
Sat 9/1212:30 pm
SNN
-
IAD
1 stop15h 29m
United Airlines
Deal found 5/22$826
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 pm
IAD
-
SNN
2 stops22h 05m
Multiple Airlines
Wed 9/302:05 pm
SNN
-
IAD
1 stop30h 25m
Multiple Airlines
Deal found 5/17$856
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:30 pm
IAD
-
SNN
2 stops14h 55m
Multiple Airlines
Mon 11/96:05 am
SNN
-
IAD
1 stop15h 15m
Multiple Airlines
Deal found 5/22$861
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/301:00 pm
BWI
-
SNN
1 stop13h 30m
United Airlines
Mon 9/79:30 am
SNN
-
BWI
1 stop13h 13m
United Airlines
Deal found 5/22$866
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:30 pm
DCA
-
SNN
1 stop12h 45m
United Airlines
Mon 9/79:30 am
SNN
-
DCA
1 stop11h 17m
United Airlines
Deal found 5/22$866
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:40 pm
IAD
-
SNN
1 stop10h 50m
United Airlines
Mon 9/79:30 am
SNN
-
IAD
1 stop11h 31m
United Airlines
Deal found 5/22$866
This KLM deal was found by Cheapflights users on 5/20. 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.
Mon 8/32:18 pm
BWI
-
SNN
2 stops15h 52m
KLM
Wed 8/191:05 pm
SNN
-
BWI
2 stops31h 43m
KLM
Deal found 5/20$873

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 May 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$807
(United Airlines)

One-way from

$284
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$745
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. 10% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 22, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Galway that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/1

5:45 pm-10:15 am

1 stop11h 30m

Shannon

Wed 9/30

12:30 pm-9:22 pm

1 stop13h 52m

$882

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 7/13

6:36 pm-11:10 am

1 stop11h 34m

Shannon

Tue 8/25

1:05 pm-12:33 am

2 stops16h 28m

$887

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Sun 7/5

10:32 am-7:30 am

1 stop15h 58m

Shannon

Tue 7/21

9:30 am-5:36 pm

1 stop13h 06m

$925

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/5

8:29 am-11:10 am

2 stops21h 41m

Shannon

Tue 7/21

1:05 pm-11:13 pm

2 stops15h 08m

$929

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 7/13

12:29 pm-11:10 am

1 stop17h 41m

Shannon

Sat 8/29

1:05 pm-7:18 pm

1 stop11h 13m

$932

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 8/30

3:40 pm-7:30 am

1 stop10h 50m

Shannon

Mon 9/7

12:30 pm-9:28 pm

1 stop13h 58m

$932

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 7/13

12:23 pm-11:10 am

2 stops17h 47m

Shannon

Sat 8/29

1:05 pm-11:27 am

2 stops27h 22m

$937

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 8/18

1:00 pm-10:15 am

2 stops16h 15m

Shannon

Mon 8/24

9:30 am-10:59 pm

1 stop18h 29m

$937

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 7/12

11:00 am-11:10 am

1 stop19h 10m

Shannon

Tue 7/21

1:05 pm-10:59 pm

1 stop14h 54m

$939

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 8/5

6:30 am-7:30 am

1 stop20h 00m

Shannon

Wed 8/12

12:30 pm-9:59 pm

1 stop14h 29m

$939

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Showing 1-10 of 55 resultsSorted by cheapest first
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3
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6

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 May 22, 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
9,751 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,751 reviews
United Airlines
7.4
Good
9,751 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,644 reviews
United Airlines
7.4
Good
9,751 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 $882, United Airlines can have you in Galway from Washington, D.C. in 11h 30m. Washington, D.C. and Galway are separated by a distance of 3296 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, Washington, D.C. Reagan-National - Shannon or Baltimore/Washington - 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Galway

See prices for flight routes from nearby airports that may be better suited for you.
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 Galway

Discover the top 3 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 May 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$157Average$1,442FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$777FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$634Average$932FlexibilityNo cancel feeOn-time69%

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