What are the cheapest airlines to fly from Washington, D.C. to Galway one-way?

The cheapest airlines for a one-way flight from Washington, D.C. to Galway are United Airlines ($494), American Airlines ($541), and KLM ($553).

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 $995). 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.

What is the cheapest day to fly from Washington, D.C. to Galway?

Travelers seeking maximum savings on their Washington, D.C. to Galway flight should consider departing on Sunday mornings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

What are the most popular airlines that fly from Washington, D.C. to Galway?

American Airlines, British Airways and Delta are the most popular airlines when flying from Washington, D.C. to Galway.

What is the cheapest month to fly from Washington, D.C. to Galway?

February can be a great time to fly to Galway from Washington, D.C. with a flight ticket averaging about $959. Cheapflights users have found deals in the month of February for as cheap as $711. The most expensive prices can be found in the month of June.

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.

$345+ Flights from Washington, D.C. to Galway - Compare & Save Big

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Cheap flight deals from Washington, D.C. to Galway

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$562 (American Airlines)
One-way from	$391 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$907

Provider with most accurate pricing for Washington, D.C. (WAS)-Shannon flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Shannon flights.

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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. 17% potential increase in price ($197 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 30, 2025.

Wed 8/134:16 pmIAD - SNN

2 stops14h 04mAmerican Airlines

Thu 8/217:40 amSNN - IAD

2 stops21h 19mAmerican Airlines

Deal found 4/29

$562

Sun 7/136:04 amDCA - SNN

1 stop24h 06mDelta

Tue 7/221:05 pmSNN - DCA

1 stop26h 09mDelta

Deal found 4/29

$596

Wed 5/288:30 pmIAD - SNN

1 stop9h 40mDelta

Wed 6/111:05 pmSNN - IAD

1 stop11h 45mDelta

Deal found 4/29

$596

Sun 10/56:15 amBWI - SNN

2 stops23h 00mUnited Airlines

Tue 10/1412:30 pmSNN - BWI

2 stops26h 25mUnited Airlines

Deal found 4/29

$601

Wed 8/133:39 pmIAD - SNN

1 stop10h 51mUnited Airlines

Thu 8/219:30 amSNN - IAD

1 stop11h 22mUnited Airlines

Deal found 4/29

$625

Wed 9/173:30 pmDCA - SNN

1 stop11h 00mUnited Airlines

Wed 9/249:30 amSNN - DCA

1 stop14h 33mUnited Airlines

Deal found 4/29

$645

Mon 7/141:52 pmBWI - SNN

2 stops16h 18mDelta

Wed 7/231:05 pmSNN - BWI

2 stops15h 13mDelta

Deal found 4/28

$650

Wed 5/2812:39 pmIAD - SNN

2 stops17h 31mMultiple Airlines

Wed 6/111:05 pmSNN - IAD

2 stops15h 09mMultiple Airlines

Deal found 4/29

$650

Sun 8/175:00 pmDCA - SNN

1 stop13h 10mKLM

Sun 8/241:05 pmSNN - DCA

1 stop15h 25mKLM

Deal found 4/29

$675

Thu 9/410:00 amBWI - SNN

2 stops20h 10mMultiple Airlines

Fri 9/121:05 pmSNN - BWI

2 stops14h 51mMultiple Airlines

Deal found 4/28

$690

Wed 8/1312:35 pmIAD - SNN

2 stops17h 35mKLM

Thu 8/211:05 pmSNN - IAD

1 stop11h 32mKLM

Deal found 4/29

$690

Sun 8/171:45 pmDCA - SNN

2 stops16h 25mAir France

Sun 8/241:05 pmSNN - DCA

1 stop15h 25mAir France

Deal found 4/29

$740

Best flights from Washington, D.C. to Galway
Discover carefully curated flight deals from Washington, D.C. to Galway that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2025.

Wed 8/134:16 pmIAD - SNN

2 stops14h 04mAmerican Airlines

Thu 8/217:40 amSNN - IAD

2 stops21h 19mAmerican Airlines

Deal found 4/29

$562

Wed 5/288:30 pmIAD - SNN

1 stop9h 40mDelta

Wed 6/111:05 pmSNN - IAD

1 stop11h 45mDelta

Deal found 4/29

$596

Wed 8/133:39 pmIAD - SNN

1 stop10h 51mUnited Airlines

Thu 8/219:30 amSNN - IAD

1 stop11h 22mUnited Airlines

Deal found 4/29

$625

Mon 7/144:56 pmDCA - SNN

1 stop13h 14mKLM

Wed 7/231:05 pmSNN - DCA

1 stop15h 31mKLM

Deal found 4/28

$645

Wed 6/1112:10 pmDCA - SNN

2 stops18h 00mMultiple Airlines

Thu 7/311:05 pmSNN - DCA

2 stops14h 54mMultiple Airlines

Deal found 4/28

$710

Wed 9/179:00 pmIAD - SNN

2 stops14h 10mAer Lingus

Wed 9/249:15 pmSNN - IAD

2 stops26h 40mAer Lingus

Deal found 4/29

$760

Mon 5/268:40 pmDCA - SNN

2 stops14h 30mAir Canada

Mon 6/29:15 pmSNN - DCA

2 stops23h 34mAir Canada

Deal found 4/28

$800

Fri 6/1312:49 pmIAD - SNN

2 stops17h 21mAir France

Fri 6/201:05 pmSNN - IAD

2 stops16h 28mAir France

Deal found 4/29

$910

Fri 7/189:20 pmBWI - SNN

1 stop13h 30mBritish Airways

Sun 7/279:15 pmSNN - BWI

2 stops24h 20mBritish Airways

Deal found 4/29

$971

Mon 7/141:52 pmBWI - SNN

2 stops16h 18mDelta

Wed 7/231:05 pmSNN - BWI

2 stops15h 13mDelta

Deal found 4/28

$650

Wed 5/2810:09 amIAD - SNN

2 stops20h 01mKLM

Wed 6/111:05 pmSNN - IAD

1 stop11h 45mKLM

Deal found 4/29

$650

Mon 5/266:40 amBWI - SNN

1 stop19h 50mUnited Airlines

Mon 6/29:30 amSNN - BWI

1 stop17h 12mUnited Airlines

Deal found 4/28

$656

Last-minute flights from Washington, D.C. to Galway
Discover last-minute flight deals from Washington, D.C. to Galway. Data last updated April 30, 2025 and is based on user searches.

Fri 5/21:53 pmIAD - SNN

2 stops20h 57mAir Canada

Fri 5/169:15 pmSNN - IAD

2 stops24h 04mAir Canada

Deal found 4/29

$913

Wed 5/77:18 pmDCA - SNN

1 stop9h 57mUnited Airlines

Mon 5/1212:30 pmSNN - DCA

1 stop10h 25mUnited Airlines

Deal found 4/29

$941

Mon 5/266:40 amBWI - SNN

1 stop19h 50mUnited Airlines

Mon 6/29:30 amSNN - BWI

1 stop17h 12mUnited Airlines

Deal found 4/28

$656

Mon 5/261:20 pmIAD - SNN

1 stop13h 10mUnited Airlines

Mon 6/29:30 amSNN - IAD

1 stop20h 00mUnited Airlines

Deal found 4/28

$656

Mon 5/268:02 pmIAD - SNN

2 stops15h 08mAmerican Airlines

Mon 6/29:15 pmSNN - IAD

2 stops24h 41mAmerican Airlines

Deal found 4/28

$660

Mon 5/2610:40 pmIAD - SNN

1 stop12h 30mAer Lingus

Mon 6/29:15 pmSNN - IAD

2 stops27h 15mAer Lingus

Deal found 4/28

$773

Mon 5/268:40 pmDCA - SNN

2 stops14h 30mAir Canada

Mon 6/29:15 pmSNN - DCA

2 stops23h 34mAir Canada

Deal found 4/28

$800

Wed 5/288:30 pmIAD - SNN

1 stop9h 40mDelta

Wed 6/111:05 pmSNN - IAD

1 stop11h 45mDelta

Deal found 4/29

$596

Wed 5/2812:39 pmIAD - SNN

2 stops17h 31mMultiple Airlines

Wed 6/111:05 pmSNN - IAD

2 stops15h 09mMultiple Airlines

Deal found 4/29

$650

Thu 5/2912:20 pmIAD - SNN

1 stop17h 50mKLM

Mon 6/21:05 pmSNN - IAD

1 stop11h 37mKLM

Deal found 4/29

$765

Fri 5/305:00 pmDCA - SNN

1 stop13h 10mKLM

Mon 6/21:05 pmSNN - DCA

1 stop14h 40mKLM

Deal found 4/29

$815

Fri 5/301:52 pmBWI - SNN

2 stops16h 18mDelta

Mon 6/21:05 pmSNN - BWI

2 stops15h 15mDelta

Deal found 4/29

$820

One-way flights from Washington, D.C. to Galway
Search for one-way flight options from Washington, D.C. to Galway. Find affordable one-way fares based on user searches. Data last updated April 30, 2025.

Sun 6/16:00 amDCA - SNN

3 stops28h 10mMultiple Airlines

Deal found 4/28

$391

Mon 5/268:30 pmBWI - SNN

3 stops42h 50mMultiple Airlines

Deal found 4/29

$426

Mon 5/2611:19 amBWI - SNN

1 stop15h 11mUnited Airlines

Deal found 4/29

$494

Sat 8/305:59 pmDCA - SNN

1 stop32h 31mUnited Airlines

Deal found 4/29

$507

Sat 8/304:45 pmDCA - SNN

2 stops13h 35mAmerican Airlines

Deal found 4/29

$541

Sat 8/302:10 pmBWI - SNN

2 stops16h 00mKLM

Deal found 4/29

$553

Sat 8/3012:59 pmDCA - SNN

2 stops17h 11mDelta

Deal found 4/28

$553

Mon 5/265:20 pmIAD - SNN

2 stops17h 50mAer Lingus

Deal found 4/29

$592

Mon 5/2611:00 amDCA - SNN

2 stops19h 20mAir Canada

Deal found 4/29

$594

Mon 5/2610:40 pmIAD - SNN

1 stop12h 30mBritish Airways

Deal found 4/29

$611

Cheapflights Fare Finder

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

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 7/13

6:04 am-11:10 am

1 stop24h 06m

Shannon

Tue 7/22

1:05 pm-10:14 am

1 stop26h 09m

$596

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 5/28

8:30 pm-11:10 am

1 stop9h 40m

Shannon

Wed 6/11

1:05 pm-7:50 pm

1 stop11h 45m

$596

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Sun 10/5

6:15 am-10:15 am

2 stops23h 00m

Shannon

Tue 10/14

12:30 pm-9:55 am

2 stops26h 25m

$601

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 9/17

3:30 pm-7:30 am

1 stop11h 00m

Shannon

Wed 9/24

9:30 am-7:03 pm

1 stop14h 33m

$645

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 5/28

10:09 am-11:10 am

2 stops20h 01m

Shannon

Wed 6/11

1:05 pm-7:50 pm

1 stop11h 45m

$650

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Mon 7/14

1:52 pm-11:10 am

2 stops16h 18m

Shannon

Wed 7/23

1:05 pm-11:18 pm

2 stops15h 13m

$650

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 5/26

8:02 pm-4:10 pm

2 stops15h 08m

Shannon

Mon 6/2

9:15 pm-4:56 pm

2 stops24h 41m

$660

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 8/17

5:00 pm-11:10 am

1 stop13h 10m

Shannon

Sun 8/24

1:05 pm-11:30 pm

1 stop15h 25m

$675

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Thu 9/4

10:00 am-11:10 am

2 stops20h 10m

Shannon

Fri 9/12

1:05 pm-10:56 pm

2 stops14h 51m

$690

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 6/11

9:40 am-11:10 am

2 stops20h 30m

Shannon

Thu 7/31

1:05 pm-7:51 pm

1 stop11h 46m

$710

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 36 results

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?

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.

Rainfall in Galway by month

In terms of precipitation, rainfall in Galway ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Galway when rainfall is around 2.3 in.

Temperature in Galway by month

If weather is an important factor for your trip to Galway, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Galway

To help decide which airline to fly from Washington, D.C. to Galway, see what other customers have to say about Delta, KLM and Air France. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,936 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,446 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. to Galway one-way?
The cheapest airlines for a one-way flight from Washington, D.C. to Galway are United Airlines ($494), American Airlines ($541), and KLM ($553).
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 $995). 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

Alternative routes for Washington, D.C. to Galway

Dulles Intl to Dublin flights

Reagan-National to Dublin flights

Dulles Intl to Shannon flights

Reagan-National to Shannon flights

Dulles Intl to Cork flights

Reagan-National to Cork flights

Dulles Intl to Milltown (Kerry) flights

Dulles Intl to Knock flights

Reagan-National to Donegal flights

Dulles Intl to Donegal flights

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

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest$643	Average$665	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$644	Average$1,009	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$646	Average$994	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$663	Average$930	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$723	Average$945	FlexibilityNo cancel fee	On-time70%

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$345+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Galway with Cheapflights

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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 April 30, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Galway

Cheapest flights from Washington, D.C. to GalwayExplore 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 30, 2025.

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 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Galway that are best for you.

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.

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 April 30, 2025.

Rainfall in Galway by month

Plan your trip to Galway by taking into account the average rainfall totals by month.

Temperature in Galway by month

Plan your trip to Galway by taking into account the average temperature totals by month.

Reviews of airlines servicing Galway

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.

What are the cheapest airlines to fly from Washington, D.C. to Galway one-way?

What are the most popular routes from Washington, D.C. to Galway?

Can I find deals for flights from Washington, D.C. to Galway that include hotel bookings?

How can I find direct flights from Washington, D.C. to Galway?

Can I find deals for business class flights from Washington, D.C. to Galway?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Galway

See prices for flight routes from nearby airports that may be better suited for you.

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

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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 30, 2025.