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$285+ Cheap flights from Dulles Intl (IAD) 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SNN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Dulles Intl to Galway

Keep the following information in mind while searching for Dulles Intl to Galway flight deals. Data was last updated June 12, 2025.

Round-trip from

$555
(KLM)

One-way from

$285
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,250
From Washington, D.C. Dulles Intl to Galway
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One-way flight from Washington, D.C. Dulles Intl to Galway
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Highest demand for flights based on searches. 9% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Dulles Intl to Galway

Cheapest flights from Dulles Intl to Galway
Explore the most affordable flight options available from Dulles Intl to Galway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This KLM deal was found by Cheapflights users on 6/10. 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.
Sun 7/68:30 pmIAD - SNN
1 stop9h 40mMultiple Airlines
Tue 7/221:05 pmSNN - IAD
2 stops14h 50mMultiple Airlines
Deal found 6/10$555
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/68:30 amIAD - SNN
1 stop18h 00mUnited Airlines
Tue 7/2212:30 pmSNN - IAD
1 stop32h 50mUnited Airlines
Deal found 6/10$556
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/1610:40 pmIAD - SNN
1 stop16h 55mAmerican Airlines
Mon 7/219:15 pmSNN - IAD
2 stops24h 54mAmerican Airlines
Deal found 6/11$572
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 7/208:31 pmIAD - SNN
1 stop9h 39mDelta
Thu 7/311:05 pmSNN - IAD
1 stop11h 46mDelta
Deal found 6/10$574
This Air France deal was found by Cheapflights users on 6/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/68:30 pmIAD - SNN
1 stop9h 40mAir France
Tue 7/221:05 pmSNN - IAD
2 stops14h 50mAir France
Deal found 6/12$609
This KLM deal was found by Cheapflights users on 6/10. 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 7/2112:45 pmIAD - SNN
2 stops17h 25mKLM
Mon 7/281:05 pmSNN - IAD
2 stops16h 29mKLM
Deal found 6/10$639
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 9/99:00 pmIAD - SNN
2 stops14h 10mBritish Airways
Tue 9/239:15 pmSNN - IAD
2 stops23h 35mBritish Airways
Deal found 6/11$766
This Travelocity deal was found by Cheapflights users on 6/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:45 amIAD - SNN
2 stops20h 35mAir Canada
Mon 9/299:15 pmSNN - IAD
2 stops28h 50mAir Canada
Deal found 6/11$782
This oojo deal was found by Cheapflights users on 6/10. 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.
Sun 7/68:25 pmIAD - SNN
2 stops19h 10mAer Lingus
Tue 7/224:55 pmSNN - IAD
2 stops27h 55mAer Lingus
Deal found 6/10$962

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl 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 June 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Galway that are best for you.

Fly from

Dulles Intl

Fly to

Galway

Route

Depart

Return

Price

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/6

8:30 pm-11:10 am

1 stop9h 40m

Shannon

Tue 7/22

1:05 pm-10:55 pm

2 stops14h 50m

$555

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/6

8:30 pm-11:10 am

1 stop9h 40m

Shannon

Tue 7/22

1:05 pm-7:51 pm

1 stop11h 46m

$556

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 7/16

10:40 pm-8:35 pm

1 stop16h 55m

Shannon

Mon 7/21

9:15 pm-5:09 pm

2 stops24h 54m

$572

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/6

8:30 pm-11:10 am

1 stop9h 40m

Shannon

Tue 7/22

1:05 pm-10:55 pm

2 stops14h 50m

$609

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 7/21

12:45 pm-11:10 am

2 stops17h 25m

Shannon

Mon 7/28

1:05 pm-12:34 am

2 stops16h 29m

$639

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 7/2

5:25 pm-10:15 am

1 stop11h 50m

Shannon

Tue 7/8

9:30 am-4:10 pm

1 stop11h 40m

$644

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/9

9:00 pm-4:10 pm

2 stops14h 10m

Shannon

Tue 9/23

9:15 pm-3:50 pm

2 stops23h 35m

$766

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/23

9:45 am-11:20 am

2 stops20h 35m

Shannon

Mon 9/29

9:15 pm-9:05 pm

2 stops28h 50m

$782

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/6

8:25 pm-8:35 pm

2 stops19h 10m

Shannon

Tue 7/22

4:55 pm-3:50 pm

2 stops27h 55m

$962

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 7/14

9:58 pm-8:20 pm

2 stops41h 22m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results
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Best time to book a flight from Dulles Intl to Galway

Have a flexible travel schedule? Discover the best time to fly to Galway from Dulles Intl 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. Dulles Intl Airport to Galway

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

Find hourly flight availability from Dulles Intl 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 June 12, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Galway, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Galway by month

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

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

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Galway one-way?

    $431 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and KLM, with prices starting from $446 and $447, respectively.

  • Can I find deals for flights from Dulles Intl to Galway that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Galway flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Galway?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Galway.

  • Can I find deals for business class flights from Dulles Intl to Galway?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Galway?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Galway (average of $533). Flying from Washington, D.C. Dulles Intl Airport to Galway in June is currently the most expensive (average of $959). 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

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Top 5 airlines flying from Dulles Intl to Galway

Discover the top 5 airlines that operate flights from Dulles Intl 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$643Average$645FlexibilityNo cancel feeOn-time75%
DeltaCheapest$644Average$962FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$646Average$704FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$663Average$929FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$723Average$945FlexibilityNo cancel feeOn-time70%

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