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$324+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SNN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 September 17, 2025.

Round-trip from

$504
(American Airlines)

One-way from

$324
(Mytrip)

Popular in

June

Cheapest in

August

Average price

$866
From Washington, D.C. (WAS) to Galway
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One-way flight from Washington, D.C. (WAS) to Galway
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Highest demand for flights based on searches. 12% potential increase in price ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/199:35 pmBWI - SNN
1 stop13h 35mAmerican Airlines
Tue 11/47:50 amSNN - BWI
1 stop15h 55mAmerican Airlines
Deal found 9/16$504
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:45 pmIAD - SNN
1 stop12h 25mAmerican Airlines
Tue 11/47:50 amSNN - IAD
1 stop17h 05mAmerican Airlines
Deal found 9/15$504
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:20 pmIAD - SNN
1 stop17h 25mAmerican Airlines
Tue 11/187:50 amSNN - IAD
2 stops20h 17mAmerican Airlines
Deal found 9/17$512
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:35 pmBWI - SNN
1 stop15h 10mAmerican Airlines
Thu 11/67:50 amSNN - BWI
1 stop15h 55mAmerican Airlines
Deal found 9/15$552
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:20 pmIAD - SNN
1 stop17h 25mAmerican Airlines
Thu 11/67:50 amSNN - IAD
1 stop17h 05mAmerican Airlines
Deal found 9/15$552
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:35 pmBWI - SNN
1 stop14h 10mAmerican Airlines
Fri 11/77:50 amSNN - BWI
1 stop15h 55mAmerican Airlines
Deal found 9/16$553
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:20 pmIAD - SNN
1 stop12h 10mAmerican Airlines
Fri 11/77:50 amSNN - IAD
1 stop17h 05mAmerican Airlines
Deal found 9/16$553
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/149:35 pmBWI - SNN
1 stop13h 35mAmerican Airlines
Tue 10/217:40 amSNN - BWI
1 stop17h 05mAmerican Airlines
Deal found 9/15$573
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:25 pmIAD - SNN
1 stop10h 55mAmerican Airlines
Tue 10/219:15 pmSNN - IAD
1 stop25h 15mAmerican Airlines
Deal found 9/15$573
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/147:00 pmDCA - SNN
1 stop10h 15mUnited Airlines
Tue 10/2112:30 pmSNN - DCA
1 stop12h 36mUnited Airlines
Deal found 9/15$575
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:00 pmIAD - SNN
2 stops22h 35mMultiple Airlines
Tue 10/2112:45 pmSNN - IAD
2 stops31h 35mMultiple Airlines
Deal found 9/15$579
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/146:29 amBWI - SNN
2 stops22h 46mUnited Airlines
Tue 10/2112:30 pmSNN - BWI
2 stops26h 25mUnited Airlines
Deal found 9/15$580

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 September 17, 2025.
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

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Sun 10/19

9:35 pm-4:10 pm

1 stop13h 35m

Shannon

Tue 11/4

7:50 am-6:45 pm

1 stop15h 55m

$504

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 10/19

10:45 pm-4:10 pm

1 stop12h 25m

Shannon

Tue 11/4

7:50 am-7:55 pm

1 stop17h 05m

$504

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 11/11

6:20 pm-4:45 pm

1 stop17h 25m

Shannon

Tue 11/18

7:50 am-11:07 pm

2 stops20h 17m

$512

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fri 10/31

7:20 pm-11:30 am

1 stop12h 10m

Shannon

Fri 11/7

7:50 am-7:55 pm

1 stop17h 05m

$553

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 10/22

9:35 pm-8:35 pm

1 stop18h 00m

Shannon

Wed 10/29

7:50 am-7:45 pm

1 stop15h 55m

$573

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 10/14

9:35 pm-4:10 pm

1 stop13h 35m

Shannon

Tue 10/21

7:40 am-7:45 pm

1 stop17h 05m

$573

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 10/22

7:25 pm-11:20 am

1 stop10h 55m

Shannon

Wed 10/29

7:50 am-8:55 pm

1 stop17h 05m

$573

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 10/14

7:25 pm-11:20 am

1 stop10h 55m

Shannon

Tue 10/21

9:15 pm-5:30 pm

1 stop25h 15m

$573

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 10/14

7:00 pm-10:15 am

1 stop10h 15m

Shannon

Tue 10/21

12:30 pm-8:06 pm

1 stop12h 36m

$575

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 10/14

5:00 pm-8:35 pm

2 stops22h 35m

Shannon

Tue 10/21

12:45 pm-3:20 pm

2 stops31h 35m

$579

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 28 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

What is the cheapest time of day to fly from WAS to G4W?

Find hourly flight availability from Washington, D.C. to Galway. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Galway as you normally would.

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 September 17, 2025.
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
8,926 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 $575, American Airlines can have you in Galway from Washington, D.C. in 10h 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.

  • What is the cheapest month to book a flight from Washington, D.C. to Galway?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Galway (average of $533). Flying from Washington, D.C. to Galway in June is currently the most expensive (average of $928). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Washington, D.C. to Galway

Discover the top 5 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$634Average$798FlexibilityNo cancel feeOn-time69%
KLMCheapest$643Average$645FlexibilityNo cancel feeOn-time75%
DeltaCheapest$644Average$936FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$790Average$996FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$796Average$899FlexibilityNo cancel feeOn-time70%

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