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$562+ Cheap flights from Dulles Intl (IAD) 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SNN
May 4 — May 111
Sun 5/4
Sun 5/11
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 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$596
(United Airlines)

One-way from

$592
(Gurufare)

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 ($94 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 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 29, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/288:30 pmIAD - SNN
1 stop9h 40mDelta
Wed 6/111:05 pmSNN - IAD
1 stop11h 45mDelta
Deal found 4/29$596
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1312:35 pmIAD - SNN
2 stops17h 35mKLM
Thu 8/211:05 pmSNN - IAD
1 stop11h 32mKLM
Deal found 4/29$690
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:45 amIAD - SNN
2 stops25h 05mAir Canada
Wed 10/89:15 pmSNN - IAD
2 stops28h 50mAir Canada
Deal found 4/29$853
This British Airways deal was found by Cheapflights users on 4/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/29:55 pmIAD - SNN
1 stop13h 50mBritish Airways
Mon 11/105:30 pmSNN - IAD
1 stop27h 05mBritish Airways
Deal found 4/29$902
This Bravofly deal was found by Cheapflights users on 4/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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
This KAYAK deal was found by Cheapflights users on 4/29. 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.
Sat 6/213:30 pmIAD - SNN
2 stops13h 45mLufthansa
Sat 6/2812:30 pmSNN - IAD
2 stops13h 48mLufthansa
Deal found 4/29$6,218

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 29, 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

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

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

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

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

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 5/26

10:40 pm-4:10 pm

1 stop12h 30m

Shannon

Mon 6/2

9:15 pm-7:30 pm

2 stops27h 15m

$773

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 7/16

5:25 pm-10:15 am

1 stop11h 50m

Shannon

Mon 7/21

9:30 am-12:30 am

1 stop20h 00m

$780

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/20

9:45 am-11:20 am

2 stops20h 35m

Shannon

Sat 7/26

5:30 pm-9:37 am

2 stops45h 07m

$875

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fri 6/13

12:49 pm-11:10 am

2 stops17h 21m

Shannon

Fri 6/20

1:05 pm-12:33 am

2 stops16h 28m

$910

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 6/18

1:08 pm-4:10 pm

2 stops22h 02m

Shannon

Tue 6/24

7:40 am-5:35 pm

1 stop14h 55m

$975

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 6/21

3:30 pm-10:15 am

2 stops13h 45m

Shannon

Sat 6/28

12:30 pm-9:18 pm

2 stops13h 48m

$6,218

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 12 results
1
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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 29, 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 29, 2025.
Delta
8.0
Very good
7,929 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

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
7,929 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

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
7,929 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

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
7,929 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

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 $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

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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$643Average$665FlexibilityNo cancel feeOn-time75%
DeltaCheapest$644Average$1,009FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$646Average$935FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$663Average$922FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$723Average$945FlexibilityNo cancel feeOn-time70%

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