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$270+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SNN
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$634
(KLM)

One-way from

$270
(Kiwi.com)

Popular in

April

Cheapest in

November

Average price

$1,193
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. 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 ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 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 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 April 17, 2025.

This deal was found by Cheapflights users on 4/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/245:20 pmIAD - SNN
1 stop11h 55mUnited Airlines
Thu 9/49:30 amSNN - IAD
1 stop11h 22mUnited Airlines
Deal found 4/15$610
This KLM deal was found by Cheapflights users on 4/16. 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 5/258:30 pmIAD - SNN
1 stop9h 40mKLM
Tue 6/101:05 pmSNN - IAD
1 stop11h 45mKLM
Deal found 4/16$634
This KLM deal was found by Cheapflights users on 4/16. 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.
Wed 5/281:00 pmIAD - SNN
2 stops17h 10mMultiple Airlines
Wed 6/111:05 pmSNN - IAD
1 stop11h 45mMultiple Airlines
Deal found 4/16$650
This Delta deal was found by Cheapflights users on 4/16. 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.
Wed 8/612:30 pmIAD - SNN
1 stop17h 40mDelta
Fri 8/151:05 pmSNN - IAD
1 stop11h 32mDelta
Deal found 4/16$705
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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.
Mon 5/58:25 pmIAD - SNN
2 stops19h 10mAer Lingus
Mon 5/129:15 pmSNN - IAD
2 stops23h 35mAer Lingus
Deal found 4/17$818
This Air France deal was found by Cheapflights users on 4/16. 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.
Tue 6/1712:49 pmIAD - SNN
2 stops17h 21mAir France
Wed 6/251:05 pmSNN - IAD
2 stops15h 09mAir France
Deal found 4/16$820
This Expedia deal was found by Cheapflights users on 4/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/105:31 pmIAD - SNN
2 stops22h 04mAir Canada
Sun 8/249:15 pmSNN - IAD
2 stops28h 46mAir Canada
Deal found 4/15$821
This British Airways deal was found by Cheapflights users on 4/16. 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.
Wed 5/1410:40 pmIAD - SNN
1 stop12h 30mBritish Airways
Wed 5/217:40 amSNN - IAD
1 stop13h 05mBritish Airways
Deal found 4/16$842
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 5/29:10 amIAD - SNN
2 stops15h 45mAmerican Airlines
Fri 5/169:15 pmSNN - IAD
1 stop25h 15mAmerican Airlines
Deal found 4/16$973

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 April 17, 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 5/25

8:30 pm-11:10 am

1 stop9h 40m

Shannon

Tue 6/10

1:05 pm-7:50 pm

1 stop11h 45m

$634

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 5/28

1:00 pm-11:10 am

2 stops17h 10m

Shannon

Wed 6/11

1:05 pm-7:50 pm

1 stop11h 45m

$650

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 6/16

1:20 pm-7:30 am

1 stop13h 10m

Shannon

Tue 6/24

9:30 am-12:30 am

1 stop20h 00m

$765

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 6/29

7:10 am-11:10 am

2 stops23h 00m

Shannon

Fri 8/1

1:05 pm-10:10 am

2 stops26h 05m

$770

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 5/5

8:25 pm-8:35 pm

2 stops19h 10m

Shannon

Mon 5/12

9:15 pm-3:50 pm

2 stops23h 35m

$818

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 6/17

12:49 pm-11:10 am

2 stops17h 21m

Shannon

Wed 6/25

1:05 pm-11:14 pm

2 stops15h 09m

$820

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 5/14

10:40 pm-4:10 pm

1 stop12h 30m

Shannon

Wed 5/21

7:40 am-3:45 pm

1 stop13h 05m

$842

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 6/18

1:00 pm-11:20 am

2 stops17h 20m

Shannon

Wed 6/25

7:40 am-9:04 pm

2 stops18h 24m

$962

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fri 5/2

9:10 am-5:55 am

2 stops15h 45m

Shannon

Fri 5/16

9:15 pm-5:30 pm

1 stop25h 15m

$973

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 6/21

3:45 pm-10:15 am

2 stops13h 30m

Shannon

Sat 6/28

12:30 pm-11:47 am

2 stops28h 17m

$6,218

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 12 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 April 17, 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 April 17, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Air France from Washington, D.C. to Galway to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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

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.

  • 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 $1,007). 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 4 airlines flying from Dulles Intl to Galway

Discover the top 4 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$643Average$665FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$663Average$929FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$669Average$990FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$723Average$1,089FlexibilityNo cancel feeOn-time70%

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