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$488+ Cheap flights from Washington, D.C. (WAS) to Galway, Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SNN
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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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 November 19, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/183:44 pmDCA - SNN
2 stops14h 46mBritish Airways
Mon 11/248:05 pmSNN - DCA
2 stops24h 54mBritish Airways
Deal found 11/17$678
This Priceline deal was found by Cheapflights users on 11/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/189:45 amIAD - SNN
2 stops20h 45mAir Canada
Mon 11/248:05 pmSNN - IAD
2 stops29h 49mAir Canada
Deal found 11/17$688
This Mytrip deal was found by Cheapflights users on 11/18. 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.
Wed 11/199:45 amIAD - SNN
3 stops26h 00mMultiple Airlines
Wed 11/268:05 pmSNN - IAD
2 stops24h 45mMultiple Airlines
Deal found 11/18$820
This American Airlines deal was found by Cheapflights users on 11/17. 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 11/181:44 pmDCA - SNN
1 stop11h 11mAmerican Airlines
Mon 11/242:45 pmSNN - DCA
1 stop12h 58mAmerican Airlines
Deal found 11/17$856
This Cheapflightsfares deal was found by Cheapflights users on 11/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:20 pmIAD - SNN
1 stop20h 05mBritish Airways
Wed 12/318:05 pmSNN - IAD
2 stops24h 30mBritish Airways
Deal found 11/18$1,077
This American Airlines deal was found by Cheapflights users on 11/17. 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 11/186:20 pmIAD - SNN
1 stop17h 25mAmerican Airlines
Mon 11/247:50 amSNN - IAD
1 stop12h 45mAmerican Airlines
Deal found 11/17$1,080
This Cheapflightsfares deal was found by Cheapflights users on 11/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/189:00 pmIAD - SNN
2 stops14h 45mBritish Airways
Mon 11/247:50 amSNN - IAD
1 stop17h 05mBritish Airways
Deal found 11/17$1,161
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/258:35 pmBWI - SNN
1 stop15h 10mAmerican Airlines
Wed 12/317:50 amSNN - BWI
2 stops16h 33mAmerican Airlines
Deal found 11/18$1,217
This British Airways deal was found by Cheapflights users on 11/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:57 pmBWI - SNN
2 stops21h 48mBritish Airways
Wed 12/317:50 amSNN - BWI
2 stops16h 33mBritish Airways
Deal found 11/17$1,330
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Wed 11/1911:52 amBWI - SNN
2 stops18h 38mAmerican Airlines
Wed 11/267:50 amSNN - BWI
1 stop15h 55mAmerican Airlines
Deal found 11/18$1,349
This FlightHub deal was found by Cheapflights users on 11/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:10 pmDCA - SNN
2 stops14h 20mAir Canada
Wed 11/267:50 amSNN - DCA
2 stops16h 55mAir Canada
Deal found 11/18$1,357
This Ovago deal was found by Cheapflights users on 11/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:05 pmIAD - SNN
2 stops13h 25mAer Lingus
Wed 11/267:50 amSNN - IAD
1 stop12h 45mAer Lingus
Deal found 11/18$1,360

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 November 19, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$488
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$898
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
Highest demand for flights based on searches. 12% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 19, 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

Tue 2/17

8:35 pm-4:45 pm

1 stop15h 10m

Shannon

Thu 2/26

7:50 am-6:45 pm

1 stop15h 55m

$488

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 2/17

3:43 pm-11:30 am

2 stops14h 47m

Shannon

Thu 2/26

7:50 am-6:52 pm

2 stops16h 02m

$502

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 1/11

4:10 pm-11:30 am

2 stops14h 20m

Shannon

Tue 1/27

7:50 am-9:58 pm

2 stops19h 08m

$662

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 2/17

6:37 pm-4:45 pm

2 stops17h 08m

Shannon

Thu 2/26

7:50 am-6:45 pm

1 stop15h 55m

$674

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Sun 1/11

8:35 pm-4:45 pm

1 stop15h 10m

Shannon

Tue 1/27

7:50 am-6:45 pm

1 stop15h 55m

$689

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 2/17

4:10 pm-11:30 am

2 stops14h 20m

Shannon

Thu 2/26

7:50 am-6:05 pm

2 stops15h 15m

$694

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 1/11

1:44 pm-6:20 am

2 stops11h 36m

Shannon

Tue 1/27

2:45 pm-10:37 pm

1 stop12h 52m

$698

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 2/17

3:40 pm-6:20 am

1 stop9h 40m

Shannon

Thu 2/26

2:45 pm-9:00 pm

1 stop11h 15m

$706

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Thu 1/15

8:35 pm-4:45 pm

1 stop15h 10m

Shannon

Mon 1/19

7:50 am-11:21 pm

2 stops20h 31m

$722

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 1/5

11:20 am-6:20 am

1 stop14h 00m

Shannon

Sat 1/31

2:45 pm-9:51 pm

1 stop12h 06m

$756

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 32 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 November 19, 2025.

It’s typically best to fly out from Washington, D.C. to Galway in the morning. Doing so could potentially save you 11% on the flight price compared to flying in the evening, which is usually more expensive.

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 November 19, 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
9,023 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,023 reviews
United Airlines
7.4
Good
9,023 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,046 reviews
United Airlines
7.4
Good
9,023 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 $662, American Airlines can have you in Galway from Washington, D.C. in 14h 20m. 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

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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 November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$795FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$643Average$645FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$646Average$798FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$796Average$945FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$892Average$996FlexibilityNo cancel feeOn-time71%

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