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Cheap flights from Seattle to Glasgow Intl Airport from £259

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
27 Feb — 6 Mar1
1 adult

The best prices from Seattle/Tacoma Intl to Glasgow Intl are usually found in November or March, booked 73 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Seattle to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Glasgow Intl (GLA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 February 2025.

Round-trip from

£512

One-way from

£259

Popular in

June

Cheapest in

November

Average price

£567
Aer Lingus
  • Aer Lingus
  • 7/4-14/4
  • 2 total stops
  • 29h 04m total
  • Seattle to Glasgow
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2/4
  • 2/4
  • 3 total stops
  • 59h 23m total
  • Seattle to Glasgow
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£192 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£36 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
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Find flight deals from Seattle to Glasgow Intl

Cheapest flights from Seattle to Glasgow Intl
Explore the most affordable flight options available from Seattle to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2025.

Mon 7/418:45SEA - GLA
1 stop12h 40mAer Lingus
Mon 14/408:35GLA - SEA
1 stop16h 24mAer Lingus
Deal found 21/2£512
Mon 10/315:35SEA - GLA
1 stop11h 20mIcelandair
Wed 19/312:35GLA - SEA
1 stop12h 25mIcelandair
Deal found 21/2£516
Tue 1/415:45SEA - GLA
2 stops18h 25mMultiple Airlines
Tue 8/422:25GLA - SEA
2 stops27h 25mMultiple Airlines
Deal found 21/2£519
Mon 7/420:20SEA - GLA
1 stop12h 25mBritish Airways
Mon 14/420:50GLA - SEA
1 stop22h 20mBritish Airways
Deal found 21/2£533
Mon 7/420:20SEA - GLA
1 stop12h 25mAmerican Airlines
Mon 14/415:25GLA - SEA
1 stop27h 45mAmerican Airlines
Deal found 21/2£541
Mon 10/315:15SEA - GLA
1 stop34h 15mDelta
Tue 18/306:05GLA - SEA
1 stop13h 35mDelta
Deal found 21/2£550
Wed 19/315:00SEA - GLA
1 stop13h 55mLufthansa
Thu 27/306:00GLA - SEA
1 stop14h 10mLufthansa
Deal found 22/2£560
Wed 12/315:15SEA - GLA
1 stop34h 15mKLM
Sun 16/309:05GLA - SEA
1 stop34h 35mKLM
Deal found 21/2£590
Mon 7/406:00SEA - GLA
2 stops18h 10mVirgin Atlantic
Mon 14/406:00GLA - SEA
1 stop13h 45mVirgin Atlantic
Deal found 21/2£605

Find flights from Seattle to Glasgow Intl within your budget

Customise your flight search to find flights from Seattle to Glasgow Intl 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 858,174 searches. Data last updated 22 February 2025.

Fly from

Seattle

Fly to

Glasgow Intl

Route

Depart

Return

Price

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 7/4

18:45-15:25

1 stop12h 40m

Glasgow Intl

Mon 14/4

08:35-16:59

1 stop16h 24m

£512

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 10/3

15:35-09:55

1 stop11h 20m

Glasgow Intl

Wed 19/3

12:35-18:00

1 stop12h 25m

£516

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 1/4

15:45-18:10

2 stops18h 25m

Glasgow Intl

Tue 8/4

22:25-17:50

2 stops27h 25m

£519

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 7/4

20:20-16:45

1 stop12h 25m

Glasgow Intl

Mon 14/4

20:50-11:10

1 stop22h 20m

£533

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 7/4

20:20-16:45

1 stop12h 25m

Glasgow Intl

Mon 14/4

15:25-11:10

1 stop27h 45m

£541

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 10/3

15:15-08:30

1 stop34h 15m

Glasgow Intl

Tue 18/3

06:05-12:40

1 stop13h 35m

£550

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 12/3

15:00-11:55

1 stop13h 55m

Glasgow Intl

Tue 18/3

12:40-13:10

1 stop31h 30m

£574

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 12/3

15:15-08:30

1 stop34h 15m

Glasgow Intl

Sun 16/3

09:05-12:40

1 stop34h 35m

£590

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 7/4

06:00-08:10

2 stops18h 10m

Glasgow Intl

Mon 14/4

06:00-11:45

1 stop13h 45m

£605

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 2/4

13:52-09:15

3 stops59h 23m

£259

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 14 results
1
2

Best time to book a flight from Seattle to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Seattle with our price prediction graph.
Estimated return 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.

Travel insights for flights from Seattle to Glasgow Intl

Get recent, data-driven insights about flights from Seattle to Glasgow Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seattle to Glasgow Intl Airport?

Use this chart to determine the optimal time to book a return flight from Seattle to Glasgow Intl. Price data was last updated on 14 February 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Glasgow Intl Airport, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Glasgow Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of £97). Flying from Seattle to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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.

What is the cheapest time of day to fly from SEA to GLA?

Find hourly flight availability from Seattle to Glasgow Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 February 2025.

It’s typically best to fly out from Seattle to Glasgow Intl Airport in the morning. Doing so could potentially save you 10% on the flight price compared to flying at midday, which is usually more expensive.

Rainfall in Glasgow Intl by month

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

In terms of precipitation, rainfall in Glasgow Intl Airport ranges from 33.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. May is typically the driest time to visit Glasgow Intl Airport when rainfall is around 33.0 mm.

Temperature in Glasgow Intl by month

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

If weather is an important factor for your trip to Glasgow Intl Airport, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. 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 Glasgow Intl. Reviews last updated 22 February 2025.
Delta
8.0
Very Good
8,212 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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
8,212 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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
1,330 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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
8,212 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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.

Icelandair
7.1
Good
491 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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.

Aer Lingus
7.0
Good
1,070 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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 Seattle to Glasgow Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Glasgow Intl?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Glasgow Intl. On average, Seattle/Tacoma Intl has 0 outbound flights to Glasgow Intl per day from 2 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • What are the cheapest airlines flying from Seattle to Glasgow Intl Airport round-trip?

    Our cheapest airline available from Seattle to Glasgow Intl Airport is Aer Lingus. Our recent data shows that you can find tickets from as low as £512 on this airline. Additional options worth looking into are Icelandair and British Airways, starting at £516 and £533 round-trip. Aer Lingus is currently priced 27% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Seattle to Glasgow Intl Airport one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as £315. Users have also found prices from £355 and £384 on British Airways and Delta, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Glasgow Intl 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 Seattle to Glasgow Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of £97). Flying from Seattle to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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

Travelling to a place near Seattle?

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Alternative routes for Seattle to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Glasgow Intl flights
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Top 2 airlines flying from Seattle to Glasgow Intl

Discover the top 2 airlines that operate flights from Seattle to Glasgow Intl. 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 858,174 searches. Data last updated 22 February 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£442Average£574FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£465Average£606FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Glasgow Intl?

When you search for this flight from Seattle to Glasgow Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Glasgow Intl?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Glasgow Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Glasgow Intl with no change fees?

Certainly. Search results for flights to Glasgow Intl from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Glasgow Intl become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Glasgow Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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