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$391+ Cheap flights from Glasgow Intl (GLA) to Washington

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.
GLA — SEA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Glasgow Intl to Washington

Keep the following information in mind while searching for Glasgow Intl to Washington flight deals. Data was last updated April 29, 2025.

Round-trip from

$794
(Orbitz)

One-way from

$391
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$836
From Glasgow Intl to Washington
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One-way flight from Glasgow Intl to Washington
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Highest demand for flights based on searches. 11% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 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 Glasgow Intl to Washington

Cheapest flights from Glasgow Intl to Washington
Explore the most affordable flight options available from Glasgow Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/158:30 pmGLA - SEA
1 stop23h 05mBritish Airways
Sun 5/251:30 pmSEA - GLA
1 stop13h 00mBritish Airways
Deal found 4/29$725
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/152:25 pmGLA - SEA
1 stop14h 15mIcelandair
Mon 5/263:45 pmSEA - GLA
1 stop13h 40mIcelandair
Deal found 4/29$757
This Air France 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:00 amGLA - SEA
2 stops18h 00mKLM
Mon 9/153:30 pmSEA - GLA
2 stops16h 40mKLM
Deal found 4/29$758
This EaseMyTrip 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/19:05 amGLA - SEA
1 stop17h 15mMultiple Airlines
Mon 9/158:20 pmSEA - GLA
1 stop14h 10mMultiple Airlines
Deal found 4/29$778
This World Air Fares 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/19:05 amGLA - SEA
1 stop17h 15mFinnair
Mon 9/151:29 pmSEA - GLA
2 stops17h 11mFinnair
Deal found 4/29$784
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:10 amGLA - SEA
2 stops22h 08mLufthansa
Mon 5/262:15 pmSEA - GLA
1 stop14h 05mLufthansa
Deal found 4/29$819
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.
Tue 5/276:00 amGLA - SEA
1 stop13h 40mDelta
Wed 7/911:27 amSEA - GLA
2 stops20h 43mDelta
Deal found 4/29$831
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 7/99:10 amGLA - PDX
2 stops20h 20mDelta
Wed 7/2311:05 amPDX - GLA
2 stops21h 05mDelta
Deal found 4/29$1,014
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/92:20 pmGLA - PDX
1 stop11h 35mIcelandair
Wed 7/233:20 pmPDX - GLA
1 stop14h 05mIcelandair
Deal found 4/29$1,050
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.
Fri 7/410:25 amGLA - PDX
2 stops19h 25mBritish Airways
Sat 7/2612:40 pmPDX - GLA
2 stops16h 40mBritish Airways
Deal found 4/29$1,092
This StudentUniverse 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/81:55 pmGLA - SEA
2 stops17h 55mAer Lingus
Tue 9/97:15 amSEA - GLA
2 stops28h 25mAer Lingus
Deal found 4/29$1,112
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/48:10 pmGLA - PDX
3 stops34h 46mMultiple Airlines
Sat 7/263:20 pmPDX - GLA
2 stops23h 40mMultiple Airlines
Deal found 4/29$1,142

Cheapflights Fare Finder

Customize your flight search to find flights from Glasgow Intl to Washington 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 Glasgow Intl Airport to Washington that are best for you.

Fly from

Glasgow Intl

Fly to

Washington

Route

Depart

Return

Price

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 5/15

8:30 pm-11:35 am

1 stop23h 05m

Seattle/Tacoma Intl

Sun 5/25

1:30 pm-10:30 am

1 stop13h 00m

$725

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 5/15

2:25 pm-8:40 pm

1 stop14h 15m

Seattle/Tacoma Intl

Mon 5/26

3:45 pm-1:25 pm

1 stop13h 40m

$757

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 9/1

6:00 am-4:00 pm

2 stops18h 00m

Seattle/Tacoma Intl

Mon 9/15

3:30 pm-4:10 pm

2 stops16h 40m

$758

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 9/1

9:05 am-6:20 pm

1 stop17h 15m

Seattle/Tacoma Intl

Mon 9/15

8:20 pm-6:30 pm

1 stop14h 10m

$778

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 9/1

9:05 am-6:20 pm

1 stop17h 15m

Seattle/Tacoma Intl

Mon 9/15

1:29 pm-2:40 pm

2 stops17h 11m

$784

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 5/15

6:10 am-8:18 pm

2 stops22h 08m

Seattle/Tacoma Intl

Mon 5/26

2:15 pm-12:20 pm

1 stop14h 05m

$819

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 5/27

6:00 am-11:40 am

1 stop13h 40m

Seattle/Tacoma Intl

Wed 7/9

11:27 am-4:10 pm

2 stops20h 43m

$831

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 7/9

9:10 am-9:30 pm

2 stops20h 20m

Portland

Wed 7/23

11:05 am-4:10 pm

2 stops21h 05m

$1,014

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 7/9

2:20 pm-5:55 pm

1 stop11h 35m

Portland

Wed 7/23

3:20 pm-1:25 pm

1 stop14h 05m

$1,050

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 7/4

10:25 am-9:50 pm

2 stops19h 25m

Portland

Sat 7/26

12:40 pm-1:20 pm

2 stops16h 40m

$1,092

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 20 results
1
2

Best time to book a flight from Glasgow Intl to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Glasgow 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 Glasgow Intl Airport to Washington

What is the cheapest month to book a flight from Glasgow Intl Airport to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to State of Washington (average of $238). Flying from Glasgow Intl Airport to State of Washington in July is currently the most expensive (average of $405). 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.

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated April 29, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Icelandair from Glasgow to Washington to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Icelandair
7.0
Good
487 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,076 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.6
Okay
6,835 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Glasgow Intl to Washington. 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 Glasgow Intl Airport to State of Washington one-way?

    The cheapest airlines for a one-way flight from Glasgow Intl Airport to State of Washington are Aer Lingus ($628), Icelandair ($836), and British Airways ($917).

  • Can I find deals for flights from Glasgow Intl to Washington that include hotel bookings?

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

  • How can I find direct flights from Glasgow Intl to Washington?

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

  • Can I find deals for business class flights from Glasgow Intl to Washington?

    Yes. Cheapflights offers flight deals from Glasgow Intl to Washington 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 Glasgow Intl Airport to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to State of Washington (average of $238). Flying from Glasgow Intl Airport to State of Washington in July is currently the most expensive (average of $405). 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.

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Alternative routes for Glasgow Intl to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Glasgow Intl to Washington

Discover the top airline that operate flights from Glasgow Intl to Washington. 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
IcelandairCheapest$763Average$917FlexibilityNo cancel feeOn-time76%

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