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$251+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SNN
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
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 July 3, 2026.

This United deal was found by Cheapflights users on 6/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:35 pm
IAD
-
SNN
1 stop16h 40m
Multiple Airlines
Sat 8/2912:00 pm
SNN
-
IAD
1 stop13h 00m
Multiple Airlines
Deal found 6/30$683
This KAYAK deal was found by Cheapflights users on 6/30. 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.
Fri 9/45:20 pm
IAD
-
SNN
1 stop12h 55m
Lufthansa
Sat 9/1212:00 pm
SNN
-
IAD
1 stop13h 00m
Lufthansa
Deal found 6/30$699
This United Airlines deal was found by Cheapflights users on 7/1. 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 9/812:10 pm
BWI
-
SNN
1 stop14h 20m
United Airlines
Mon 9/149:30 am
SNN
-
BWI
1 stop13h 42m
United Airlines
Deal found 7/1$708
This Delta deal was found by Cheapflights users on 7/1. 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.
Thu 9/105:30 pm
DCA
-
SNN
1 stop12h 40m
Delta
Wed 9/161:05 pm
SNN
-
DCA
1 stop23h 29m
Delta
Deal found 7/1$708
This Delta deal was found by Cheapflights users on 7/1. 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.
Tue 9/86:26 pm
IAD
-
SNN
1 stop11h 44m
Delta
Thu 9/171:05 pm
SNN
-
IAD
1 stop27h 40m
Delta
Deal found 7/1$708
This oojo deal was found by Cheapflights users on 7/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:25 pm
IAD
-
SNN
1 stop14h 50m
Lufthansa
Sat 8/2212:00 pm
SNN
-
IAD
1 stop30h 35m
Lufthansa
Deal found 7/2$710
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:25 am
BWI
-
SNN
2 stops19h 45m
Delta
Mon 9/141:05 pm
SNN
-
BWI
2 stops25h 11m
Delta
Deal found 7/2$712
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:45 pm
DCA
-
SNN
2 stops16h 25m
Delta
Wed 8/191:05 pm
SNN
-
DCA
2 stops14h 54m
Delta
Deal found 7/2$712
This Delta deal was found by Cheapflights users on 6/30. 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.
Sat 9/512:29 pm
IAD
-
SNN
1 stop17h 41m
Delta
Wed 9/161:05 pm
SNN
-
IAD
2 stops16h 35m
Delta
Deal found 6/30$712
This United deal was found by Cheapflights users on 7/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:35 pm
IAD
-
SNN
1 stop16h 40m
Multiple Airlines
Sat 9/512:00 pm
SNN
-
IAD
1 stop13h 00m
Multiple Airlines
Deal found 7/1$716
This KLM deal was found by Cheapflights users on 7/2. 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.
Mon 8/315:47 pm
IAD
-
SNN
2 stops36h 23m
KLM
Mon 9/71:05 pm
SNN
-
IAD
2 stops36h 10m
KLM
Deal found 7/2$718
This KAYAK deal was found by Cheapflights users on 6/29. 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.
Tue 8/48:25 pm
DCA
-
SNN
1 stop8h 50m
Lufthansa
Tue 8/1112:30 pm
SNN
-
DCA
1 stop12h 09m
Lufthansa
Deal found 6/29$737

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 July 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$683
(United)

One-way from

$251
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,025
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. 19% potential increase in price ($214 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 3, 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

Thu 8/13

12:35 pm-10:15 am

1 stop16h 40m

Shannon

Sat 8/29

12:00 pm-8:00 pm

1 stop13h 00m

$683

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Fri 9/11

12:10 pm-7:30 am

1 stop14h 20m

Shannon

Wed 9/16

9:30 am-5:42 pm

1 stop13h 12m

$708

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 9/7

7:15 pm-11:10 am

1 stop10h 55m

Shannon

Sun 9/13

1:05 pm-11:45 am

1 stop27h 40m

$708

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Mon 8/17

1:00 pm-7:30 am

1 stop13h 30m

Shannon

Mon 8/24

9:30 am-9:29 pm

1 stop16h 59m

$708

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 8/3

8:25 pm-10:15 am

1 stop8h 50m

Shannon

Wed 8/19

9:30 am-10:52 pm

1 stop18h 22m

$708
Quickest round-trip

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 9/10

5:45 pm-10:15 am

1 stop11h 30m

Shannon

Tue 9/15

9:30 am-4:01 pm

1 stop11h 31m

$708

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 9/10

3:40 pm-7:30 am

1 stop10h 50m

Shannon

Thu 9/17

9:30 am-5:37 pm

1 stop13h 07m

$708

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 8/3

10:31 am-7:30 am

1 stop15h 59m

Shannon

Wed 8/19

12:30 pm-10:59 pm

1 stop15h 29m

$708

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 8/17

12:23 pm-11:10 am

2 stops17h 47m

Shannon

Mon 8/24

1:05 pm-10:59 pm

1 stop14h 54m

$712

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Thu 9/10

12:26 pm-11:10 am

2 stops17h 44m

Shannon

Tue 9/15

1:05 pm-11:14 pm

2 stops15h 09m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 58 resultsSorted by cheapest first
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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 July 3, 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
9,927 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,927 reviews
United Airlines
7.4
Good
9,927 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
American Airlines
7.1
Good
11,764 reviews
United Airlines
7.4
Good
9,927 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 $708, United Airlines can have you in Galway from Washington, D.C. in 10h 55m. 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, 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

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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 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 July 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$157Average$1,603FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$777FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$634Average$1,045FlexibilityNo cancel feeOn-time69%

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