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$265+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SNN
Apr 7 — Apr 141
Tue 4/7
Tue 4/14
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 March 8, 2026.

This United Airlines deal was found by Cheapflights users on 3/6. 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 9/812:30 pm
BWI
-
SNN
1 stop14h 00m
United Airlines
Wed 9/169:30 am
SNN
-
BWI
1 stop12h 59m
United Airlines
Deal found 3/6$588
This KLM deal was found by Cheapflights users on 3/7. 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.
Wed 8/1211:00 am
DCA
-
SNN
1 stop19h 10m
KLM
Fri 8/211:05 pm
SNN
-
DCA
1 stop10h 06m
KLM
Deal found 3/7$588
This United Airlines deal was found by Cheapflights users on 3/6. 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 9/81:20 pm
IAD
-
SNN
1 stop13h 10m
United Airlines
Wed 9/169:30 am
SNN
-
IAD
1 stop11h 33m
United Airlines
Deal found 3/6$588
This Delta deal was found by Cheapflights users on 3/7. 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.
Wed 8/122:10 pm
BWI
-
SNN
2 stops16h 00m
Delta
Fri 8/211:05 pm
SNN
-
BWI
2 stops14h 49m
Delta
Deal found 3/7$593
This Delta deal was found by Cheapflights users on 3/7. 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.
Wed 8/1212:05 pm
DCA
-
SNN
2 stops18h 05m
Delta
Fri 8/211:05 pm
SNN
-
DCA
2 stops14h 16m
Delta
Deal found 3/7$593
This KLM deal was found by Cheapflights users on 3/7. 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 9/84:00 pm
IAD
-
SNN
2 stops14h 10m
Multiple Airlines
Wed 9/161:05 pm
SNN
-
IAD
2 stops16h 05m
Multiple Airlines
Deal found 3/7$593
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Wed 8/127:04 pm
BWI
-
SNN
1 stop31h 26m
United Airlines
Fri 8/219:30 am
SNN
-
BWI
1 stop20h 13m
United Airlines
Deal found 3/7$594
This United Airlines deal was found by Cheapflights users on 3/6. 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 9/18:25 pm
DCA
-
SNN
1 stop8h 50m
United Airlines
Tue 9/89:30 am
SNN
-
DCA
1 stop30h 14m
United Airlines
Deal found 3/6$594
This United Airlines deal was found by Cheapflights users on 3/6. 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 8/98:15 am
BWI
-
SNN
1 stop18h 15m
United Airlines
Tue 8/189:30 am
SNN
-
BWI
1 stop16h 58m
United Airlines
Deal found 3/6$623
This KLM deal was found by Cheapflights users on 3/6. 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.
Sun 8/911:00 am
DCA
-
SNN
1 stop19h 10m
KLM
Tue 8/181:05 pm
SNN
-
DCA
1 stop15h 07m
KLM
Deal found 3/6$623
This KLM deal was found by Cheapflights users on 3/6. 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.
Sun 8/97:59 pm
IAD
-
SNN
1 stop10h 11m
Multiple Airlines
Tue 8/181:05 pm
SNN
-
IAD
1 stop11h 11m
Multiple Airlines
Deal found 3/6$623
This KLM deal was found by Cheapflights users on 3/6. 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.
Sun 8/91:00 pm
BWI
-
SNN
2 stops17h 10m
Multiple Airlines
Tue 8/181:05 pm
SNN
-
BWI
2 stops16h 11m
Multiple Airlines
Deal found 3/6$628

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 March 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$588
(United Airlines)

One-way from

$265
(Kiwi.com)

Popular in

April

Cheapest in

November

Average price

$944
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. 14% potential increase in price ($141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 8, 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

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 8/19

12:30 pm-7:30 am

1 stop14h 00m

Shannon

Tue 8/25

9:30 am-5:29 pm

1 stop12h 59m

$588

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 8/19

3:30 pm-7:30 am

1 stop11h 00m

Shannon

Tue 8/25

9:30 am-3:38 pm

1 stop11h 08m

$588

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 8/12

12:05 pm-11:10 am

2 stops18h 05m

Shannon

Fri 8/21

1:05 pm-10:21 pm

2 stops14h 16m

$593

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 8/9

11:00 am-11:10 am

1 stop19h 10m

Shannon

Tue 8/18

1:05 pm-11:12 pm

1 stop15h 07m

$623

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Sun 8/9

1:00 pm-11:10 am

2 stops17h 10m

Shannon

Tue 8/18

1:05 pm-12:16 am

2 stops16h 11m

$628

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 8/9

3:55 pm-11:10 am

2 stops14h 15m

Shannon

Tue 8/18

1:05 pm-11:12 pm

1 stop15h 07m

$628

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 8/9

4:00 pm-11:10 am

2 stops14h 10m

Shannon

Tue 8/18

1:05 pm-12:10 am

2 stops16h 05m

$628

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 4/26

12:41 pm-10:15 am

1 stop16h 34m

Shannon

Tue 5/12

12:30 pm-9:11 pm

1 stop13h 41m

$668
Quickest round-trip

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 8/18

7:59 pm-11:10 am

1 stop10h 11m

Shannon

Wed 9/2

1:05 pm-7:16 pm

1 stop11h 11m

$677

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 8/12

12:30 pm-11:10 am

1 stop17h 40m

Shannon

Fri 8/21

1:05 pm-7:16 pm

1 stop11h 11m

$677

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 59 resultsSorted by cheapest first
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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 March 8, 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
9,405 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

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
9,405 reviews
United Airlines
7.4
Good
9,405 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

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
7.1
Good
11,397 reviews
United Airlines
7.4
Good
9,405 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

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 $588, United Airlines can have you in Galway from Washington, D.C. in 14h. Washington, D.C. and Galway are separated by a distance of 3254 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

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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 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 March 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$157Average$936FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$777FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$507Average$795FlexibilityNo cancel feeOn-time69%
KLMCheapest$643Average$644FlexibilityNo cancel feeOn-time75%

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