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$187+ Cheap flights from Washington to Glasgow

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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
Jul 19 — Jul 261
Sun 7/19
Sun 7/26
1 adult, Economy
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Cheap flight deals from Washington to Glasgow

Cheapest flights from Washington to Glasgow
Explore the most affordable flight options available from Washington to Glasgow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 19, 2026.

This deal was found by Cheapflights users on 6/18. 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.
Mon 8/317:00 pm
SEA
-
GLA
1 stop10h 25m
Icelandair
Tue 9/82:20 pm
GLA
-
SEA
1 stop14h 20m
Icelandair
Deal found 6/18$746
This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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.
Thu 7/163:40 pm
SEA
-
GLA
1 stop13h 45m
Icelandair
Fri 7/242:20 pm
GLA
-
SEA
1 stop11h 35m
Icelandair
Deal found 6/17$747
This oojo deal was found by Cheapflights users on 6/13. 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 7/1511:25 pm
SEA
-
GLA
1 stop30h 00m
Icelandair
Mon 7/272:20 pm
GLA
-
SEA
1 stop11h 35m
Icelandair
Deal found 6/13$753
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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.
Sat 10/243:40 pm
SEA
-
GLA
1 stop13h 45m
Icelandair
Sun 11/111:55 am
GLA
-
SEA
1 stop13h 05m
Icelandair
Deal found 6/18$757
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:30 pm
PDX
-
GLA
1 stop13h 55m
Icelandair
Tue 10/62:20 pm
GLA
-
PDX
1 stop11h 35m
Icelandair
Deal found 6/16$757
This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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 10/57:00 pm
SEA
-
GLA
1 stop10h 25m
Icelandair
Thu 10/152:20 pm
GLA
-
SEA
1 stop11h 35m
Icelandair
Deal found 6/17$758
This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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.
Wed 10/73:30 pm
PDX
-
GLA
1 stop13h 55m
Icelandair
Wed 10/212:20 pm
GLA
-
PDX
1 stop11h 35m
Icelandair
Deal found 6/17$758
This Gotogate deal was found by Cheapflights users on 6/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:40 pm
SEA
-
GLA
1 stop13h 45m
Icelandair
Wed 8/52:20 pm
GLA
-
SEA
1 stop29h 25m
Icelandair
Deal found 6/13$759
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 8/37:00 pm
SEA
-
GLA
1 stop10h 25m
Icelandair
Thu 8/202:20 pm
GLA
-
SEA
1 stop11h 35m
Icelandair
Deal found 6/18$771
This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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.
Thu 8/203:30 pm
PDX
-
GLA
1 stop13h 55m
Icelandair
Wed 9/22:20 pm
GLA
-
PDX
1 stop11h 35m
Icelandair
Deal found 6/17$771
This Justfly.com deal was found by Cheapflights users on 6/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:45 pm
PDX
-
GLA
1 stop11h 10m
Icelandair
Wed 11/1111:55 am
GLA
-
PDX
1 stop13h 05m
Icelandair
Deal found 6/15$774
This FlightHub deal was found by Cheapflights users on 6/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:30 pm
PDX
-
GLA
1 stop13h 55m
Icelandair
Tue 9/292:20 pm
GLA
-
PDX
1 stop11h 35m
Icelandair
Deal found 6/16$789

Find flight deals from Washington to Glasgow

Keep the following information in mind while searching for Washington to Glasgow flight deals. Data was last updated June 19, 2026.

Round-trip from

$747
(Cheapflightsfares)

One-way from

$187
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,261
From Washington to Glasgow
Search Deals
One-way flight from Washington to Glasgow
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($273 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Glasgow 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 19, 2026.
Use the filters below to find and compare flights from Washington to Glasgow that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 9/20

7:00 pm-1:25 pm

1 stop10h 25m

Glasgow Intl

Thu 9/24

2:20 pm-8:40 pm

1 stop14h 20m

$811

SpokaneGlasgow

GEG - GLA

GEGGLA

Spokane

Mon 9/21

5:00 am-10:10 am

2 stops21h 10m

Glasgow Intl

Fri 9/25

2:00 pm-12:24 pm

2 stops30h 24m

$871

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 9/28

10:42 am-10:10 am

2 stops15h 28m

Glasgow Intl

Thu 10/1

2:00 pm-9:36 am

2 stops27h 36m

$905

SpokaneGlasgow

GEG - GLA

GEGGLA

Spokane

Tue 9/15

12:38 pm-4:10 pm

2 stops19h 32m

Glasgow Intl

Sun 9/20

6:00 am-5:00 pm

2 stops19h 00m

$929

SpokaneGlasgow

GEG - GLA

GEGGLA

Spokane

Tue 9/15

12:38 pm-4:10 pm

2 stops19h 32m

Glasgow Intl

Sun 9/20

6:00 am-4:26 pm

2 stops18h 26m

$929

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 9/7

7:30 pm-7:40 pm

1 stop16h 10m

Glasgow Intl

Fri 9/18

12:20 pm-12:07 am

2 stops19h 47m

$959

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 9/7

1:05 pm-11:10 pm

1 stop26h 05m

Glasgow Intl

Fri 9/18

6:00 am-11:10 am

1 stop13h 10m

$959

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 8/3

8:56 am-10:10 am

2 stops17h 14m

Glasgow Intl

Thu 8/20

2:00 pm-11:44 pm

1 stop17h 44m

$960

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 8/5

10:42 am-10:10 am

1 stop15h 28m

Glasgow Intl

Wed 8/19

2:00 pm-10:03 pm

1 stop16h 03m

$960

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Tue 9/1

10:56 am-10:10 am

1 stop15h 14m

Glasgow Intl

Thu 9/24

2:00 pm-9:27 pm

1 stop15h 27m

$960

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 47 resultsSorted by cheapest first
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Best time to book a flight from Washington to Glasgow

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

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

Currently, April is the cheapest month in which you can book a flight from State of Washington to Glasgow (average of $363). Flying from State of Washington to Glasgow in June is currently the most expensive (average of $768). 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.

How much does it cost to fly round-trip from State of Washington to Glasgow?

How far ahead should I book a flight from State of Washington to Glasgow?

Booking 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from State of Washington to Glasgow. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

Find useful and relevant information for your journey from Washington to Glasgow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to Glasgow?

    Airlines like Icelandair, United Airlines, and Finnair fly from State of Washington to Glasgow in about 10h 25m. The time it takes to get you to your destination can typically vary by up to 10h 45m. There are 4445 mi between State of Washington and Glasgow. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from State of Washington to Glasgow one-way?

    $274 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on British Airways and Aer Lingus, with prices starting from $298 and $354, respectively.

  • What are the most popular routes from State of Washington to Glasgow?

    While some choose either Portland - Glasgow Intl or Spokane - Glasgow Intl, Seattle/Tacoma Intl - Glasgow Intl is the most popular route from State of Washington to Glasgow.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from State of Washington to Glasgow (average of $363). Flying from State of Washington to Glasgow in June is currently the most expensive (average of $768). 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

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

Top 7 airlines flying from Washington to Glasgow

Discover the top 7 airlines that operate flights from Washington to Glasgow. 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 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$489Average$1,023FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$580Average$733FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$609Average$865FlexibilityNo cancel feeOn-time70%
DeltaCheapest$635Average$1,185FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$651Average$871FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$667Average$1,076FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$736Average$927FlexibilityNo cancel feeOn-time77%

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