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$342+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SNN
May 7 — May 141
Thu 5/7
Thu 5/14
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 April 7, 2026.

This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:30 pm
IAD
-
SNN
3 stops18h 55m
Multiple Airlines
Tue 5/58:00 am
SNN
-
IAD
3 stops41h 35m
Multiple Airlines
Deal found 4/6$769
This United Airlines deal was found by Cheapflights users on 4/2. 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 4/2$827
This KLM deal was found by Cheapflights users on 4/2. 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 4/2$827
This KLM deal was found by Cheapflights users on 4/2. 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
1 stop11h 11m
KLM
Deal found 4/2$827
This KLM deal was found by Cheapflights users on 4/6. 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.
Tue 9/82:10 pm
BWI
-
SNN
2 stops16h 00m
Multiple Airlines
Wed 9/161:05 pm
SNN
-
BWI
2 stops14h 49m
Multiple Airlines
Deal found 4/6$831
This KLM deal was found by Cheapflights users on 4/6. 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.
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 4/6$831
This KLM deal was found by Cheapflights users on 4/2. 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
2 stops16h 05m
Multiple Airlines
Deal found 4/2$831
This KLM deal was found by Cheapflights users on 4/3. 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 8/1712:30 pm
IAD
-
SNN
1 stop17h 40m
KLM
Thu 8/271:05 pm
SNN
-
IAD
2 stops16h 05m
KLM
Deal found 4/3$832
This United Airlines deal was found by Cheapflights users on 4/2. 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 4/194:30 pm
DCA
-
SNN
1 stop12h 45m
United Airlines
Tue 5/512:30 pm
SNN
-
DCA
1 stop14h 01m
United Airlines
Deal found 4/2$842
This United Airlines deal was found by Cheapflights users on 4/2. 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 4/1912:41 pm
IAD
-
SNN
1 stop16h 34m
United Airlines
Tue 5/512:30 pm
SNN
-
IAD
1 stop23h 58m
United Airlines
Deal found 4/2$842
This United Airlines deal was found by Cheapflights users on 4/2. 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 8/1912:30 pm
BWI
-
SNN
1 stop14h 00m
United Airlines
Tue 8/259:30 am
SNN
-
BWI
1 stop16h 58m
United Airlines
Deal found 4/2$843
This United Airlines deal was found by Cheapflights users on 4/2. 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 8/1910:30 am
DCA
-
SNN
1 stop16h 00m
United Airlines
Tue 8/259:30 am
SNN
-
DCA
1 stop11h 08m
United Airlines
Deal found 4/2$843

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 April 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$769
(Mytrip)

One-way from

$342
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,107
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. 9% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 7, 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

Tue 9/8

12:30 pm-7:30 am

1 stop14h 00m

Shannon

Wed 9/16

9:30 am-5:29 pm

1 stop12h 59m

$827

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 8/24

5:00 pm-11:10 am

1 stop13h 10m

Shannon

Tue 9/1

1:05 pm-11:12 pm

1 stop15h 07m

$827

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 9/8

5:00 pm-11:10 am

1 stop13h 10m

Shannon

Wed 9/16

1:05 pm-11:12 pm

1 stop15h 07m

$827

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 9/8

11:00 am-11:10 am

1 stop19h 10m

Shannon

Wed 9/16

1:05 pm-11:12 pm

1 stop15h 07m

$827
Quickest round-trip

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/8

7:59 pm-11:10 am

1 stop10h 11m

Shannon

Wed 9/16

1:05 pm-7:16 pm

1 stop11h 11m

$827

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/8

12:30 pm-11:10 am

1 stop17h 40m

Shannon

Wed 9/16

1:05 pm-7:16 pm

1 stop11h 11m

$827

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 9/8

4:39 pm-11:10 am

2 stops13h 31m

Shannon

Wed 9/16

1:05 pm-12:16 am

2 stops16h 11m

$831

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 9/8

1:45 pm-11:10 am

2 stops16h 25m

Shannon

Wed 9/16

1:05 pm-10:51 pm

2 stops14h 46m

$831

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 9/8

1:00 pm-11:10 am

2 stops17h 10m

Shannon

Wed 9/16

1:05 pm-12:16 am

2 stops16h 11m

$831

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/8

7:59 pm-11:10 am

1 stop10h 11m

Shannon

Wed 9/16

1:05 pm-12:10 am

2 stops16h 05m

$831

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 39 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 April 7, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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.
Delta
7.9
Good
8,387 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,387 reviews
Delta
7.9
Good
8,387 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,548 reviews
Delta
7.9
Good
8,387 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,546 reviews
Delta
7.9
Good
8,387 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $827, United Airlines can have you in Galway from Washington, D.C. in 13h 10m. 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

Browse thousands of different options on Cheapflights for your next trip

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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 April 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$157Average$1,279FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$793FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$507Average$882FlexibilityNo cancel feeOn-time69%
KLMCheapest$643Average$644FlexibilityNo cancel feeOn-time75%

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