What is the cheapest airline that flies from Seattle/Tacoma Intl to Glasgow?

KLM and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Glasgow

What airlines fly to Glasgow?

British Airways, Icelandair and Aer Lingus are the top three most popular airlines that fly to Glasgow from Seattle according to our data. British Airways is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Glasgow. Keep in mind that there are 11 different airlines that fly to Glasgow on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Glasgow?

Prices for flights from Seattle/Tacoma Intl Airport to Glasgow are refreshed on a daily basis.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Glasgow?

There are 5 operators available for flights from Seattle/Tacoma Intl Airport to Glasgow as of November 2025.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Glasgow?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Glasgow.

What documentation or ID do you need to fly to Glasgow?

The necessary travel and health documents for your Glasgow trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$299 Cheap Flights from Seattle to Glasgow in 2025/26

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Cheap round-trip flights

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2:35 pm - 9:55 amSEA-GLA

11h 20m1 stop

12:35 pm - 5:00 pmGLA-SEA

12h 25m1 stop

$485Icelandair

Find Deal

Sat, Jan 10 - Sat, Jan 24

3:35 pm - 9:55 amSEA-GLA

11h 20m1 stop

12:35 pm - 6:00 pmGLA-SEA

12h 25m1 stop

$486Icelandair

Find Deal

Tue, Mar 17 - Mon, Mar 23

2:35 pm - 9:55 amSEA-GLA

11h 20m1 stop

12:35 pm - 6:00 pmGLA-SEA

12h 25m1 stop

$489Icelandair

Find Deal

Thu, Mar 5 - Fri, Mar 13

2:35 pm - 9:55 amSEA-GLA

11h 20m1 stop

12:35 pm - 6:00 pmGLA-SEA

12h 25m1 stop

$510Icelandair

Find Deal

Wed, Mar 4 - Thu, Mar 12

2:35 pm - 9:55 amSEA-GLA

11h 20m1 stop

12:35 pm - 5:00 pmGLA-SEA

12h 25m1 stop

$512Icelandair

Find Deal

Thu, Jan 29 - Mon, Feb 2

2:35 pm - 9:55 amSEA-GLA

11h 20m1 stop

12:35 pm - 5:00 pmGLA-SEA

12h 25m1 stop

$576Icelandair

Find Deal

Wed, Jan 7 - Wed, Jan 14

1:35 pm - 1:20 pmSEA-GLA

15h 45m1 stop

10:30 am - 4:55 pmGLA-SEA

14h 25m1 stop

$582British Airways

Find Deal

Sat, Feb 7 - Sat, Feb 14

6:50 pm - 7:40 pmSEA-GLA

16h 50m1 stop

9:55 am - 4:55 pmGLA-SEA

15h 00m1 stop

$583British Airways

Find Deal

Thu, Jan 8 - Thu, Jan 15

6:50 pm - 3:10 pmSEA-GLA

12h 20m1 stop

9:55 am - 4:55 pmGLA-SEA

15h 00m1 stop

$600British Airways

Find Deal

Thu, Jan 8 - Thu, Jan 15

6:12 am - 10:45 amSEA-GLA

20h 33m2 stops

10:30 am - 4:55 pmGLA-SEA

14h 25m1 stop

$604British Airways

Find Deal

Sat, Feb 7 - Sat, Feb 14

Icelandair flights from Seattle to Glasgow

Our best Icelandair deals on Seattle to Glasgow flight tickets

Icelandair

Jan 17

SEA2:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

Jan 26

GLA12:35 pmGlasgow Intl

12h 25m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$469

Find similar

Icelandair

Jan 10

SEA2:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

Jan 24

GLA12:35 pmGlasgow Intl

12h 25m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$485

Find similar

Icelandair

Mar 17

SEA3:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

Mar 23

GLA12:35 pmGlasgow Intl

12h 25m

1 stop

SEA6:00 pmSeattle/Tacoma Intl

$486

Find similar

British Airways flights from Seattle to Glasgow

Our best British Airways deals on Seattle to Glasgow flight tickets

British Airways

Apr 27

SEA1:35 pmSeattle/Tacoma Intl

15h 15m

1 stop

GLA12:50 pmGlasgow Intl

May 8

GLA11:30 amGlasgow Intl

14h 55m

1 stop

SEA6:25 pmSeattle/Tacoma Intl

$550

Find similar

British Airways

Jan 9

SEA6:50 pmSeattle/Tacoma Intl

12h 20m

1 stop

GLA3:10 pmGlasgow Intl

Jan 16

GLA8:55 amGlasgow Intl

16h 00m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

$559

Find similar

British Airways

Apr 27

SEA11:51 amSeattle/Tacoma Intl

18h 49m

2 stops

GLA2:40 pmGlasgow Intl

May 8

GLA7:00 amGlasgow Intl

12h 35m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$570

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 1/10

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Sat 1/24

12:35 pm-5:00 pm

1 stop12h 25m

$485

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 3/17

3:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Mon 3/23

12:35 pm-6:00 pm

1 stop12h 25m

$486

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 3/5

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Fri 3/13

12:35 pm-6:00 pm

1 stop12h 25m

$489

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 3/4

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Thu 3/12

12:35 pm-6:00 pm

1 stop12h 25m

$510

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 1/29

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Mon 2/2

12:35 pm-5:00 pm

1 stop12h 25m

$512

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 1/7

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Wed 1/14

12:35 pm-5:00 pm

1 stop12h 25m

$576

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 2/7

1:35 pm-1:20 pm

1 stop15h 45m

Glasgow Intl

Sat 2/14

10:30 am-4:55 pm

1 stop14h 25m

$582

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 1/8

6:50 pm-7:40 pm

1 stop16h 50m

Glasgow Intl

Thu 1/15

9:55 am-4:55 pm

1 stop15h 00m

$583

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 1/8

6:50 pm-3:10 pm

1 stop12h 20m

Glasgow Intl

Thu 1/15

9:55 am-4:55 pm

1 stop15h 00m

$600

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 2/7

6:12 am-10:45 am

2 stops20h 33m

Glasgow Intl

Sat 2/14

10:30 am-4:55 pm

1 stop14h 25m

$604

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Glasgow

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Glasgow?

If you are unable to visit Glasgow during the month of February, then departing from Seattle during the month March is also very affordable. Most momondo users find prices during this month for around $710.

What is the cheapest day to depart on your flight to Glasgow?

On average, the least expensive day to fly to Glasgow from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as $786. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Glasgow on Friday is $959.

What is the cheapest time of day to depart on your flight to Glasgow?

Flying to Glasgow from Seattle in the evening is the least expensive time of day to depart. momondo users have found prices as low as $806 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $894 on average. Flights to Glasgow from Seattle in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Glasgow?

You are more likely to see cheaper flights to Glasgow from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Glasgow for around $813 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Glasgow from Seattle for as low as $681 on momondo.

Cheap Seattle to Glasgow flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Glasgow

Fastest flight time	10h 25m
Direct flights	None

The fastest flight from Seattle to Glasgow takes 10h 25m

There are no direct flights from Seattle to Glasgow. There are no popular flight routes from Seattle to Glasgow.

Search flight deals

How far is Seattle/Tacoma Intl to Glasgow by plane?
The straight-line distance from Seattle/Tacoma Intl to Glasgow is 4441.7 mi. Typically, this will take 10h 25m by plane in normal conditions.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Glasgow?
Prices for flights from Seattle/Tacoma Intl Airport to Glasgow are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Glasgow?
There are 5 operators available for flights from Seattle/Tacoma Intl Airport to Glasgow as of November 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Glasgow?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Glasgow.
What documentation or ID do you need to fly to Glasgow?
The necessary travel and health documents for your Glasgow trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Glasgow

Compare and see reviews for airlines that fly from Seattle to Glasgow with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $213	Free Cancellation	Rating 7.2 2,903 reviews	Search JetBlue flights
Icelandair	PriceFrom $485	Free Cancellation	Rating 7.0 581 reviews	Search Icelandair flights
Aer Lingus	PriceFrom $618	Free Cancellation	Rating 7.2 1,381 reviews	Search Aer Lingus flights
American Airlines	PriceFrom $628	Free Cancellation	Rating 7.2 11,039 reviews	Search American Airlines flights
United Airlines	PriceFrom $652	Free Cancellation	Rating 7.4 9,043 reviews	Search United Airlines flights
British Airways	PriceFrom $669	Free Cancellation	Rating 6.7 7,538 reviews	Search British Airways flights
Lufthansa	PriceFrom $673	Free Cancellation	Rating 6.8 7,592 reviews	Search Lufthansa flights
Delta	PriceFrom $684	Free Cancellation	Rating 7.9 7,997 reviews	Search Delta flights
Air France	PriceFrom $736	Free Cancellation	Rating 7.4 1,497 reviews	Search Air France flights
KLM	PriceFrom $764	Free Cancellation	Rating 7.7 1,420 reviews	Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Glasgow?

It is quick and easy to find Seattle to Glasgow flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Glasgow that suits you.

Can I find flights from Seattle to Glasgow with flexible booking policies on momondo?

Flights from Seattle to Glasgow with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Glasgow?

Once you have performed a search for Seattle to Glasgow flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Glasgow right now. Can momondo alert me if prices change?

Price alerts on flights to Glasgow from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Glasgow trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to the United Kingdom

Cheap flights from Seattle to Glasgow from $299

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Glasgow departing on 2/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Seattle to Glasgow

Cheap round-trip flights

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Cheap last minute flights

Icelandair flights from Seattle to Glasgow

Our best Icelandair deals on Seattle to Glasgow flight tickets

British Airways flights from Seattle to Glasgow

Our best British Airways deals on Seattle to Glasgow flight tickets

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How to get the cheapest flight ticket from Seattle to Glasgow

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Glasgow?

If you are unable to visit Glasgow during the month of February, then departing from Seattle during the month March is also very affordable. Most momondo users find prices during this month for around $710.

What is the cheapest day to depart on your flight to Glasgow?

What is the cheapest time of day to depart on your flight to Glasgow?

How far in advance should I book a flight to Glasgow?

What is the cheapest airline that flies from Seattle/Tacoma Intl to Glasgow?

KLM and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Glasgow

What airlines fly to Glasgow?

Cheap Seattle to Glasgow flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Glasgow

Fastest flight time

Direct flights

How far is Seattle/Tacoma Intl to Glasgow by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Glasgow?

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Glasgow?

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Glasgow?

What documentation or ID do you need to fly to Glasgow?

Best airlines flying from Seattle to Glasgow

Compare and see reviews for airlines that fly from Seattle to Glasgow with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Glasgow?

Can I find flights from Seattle to Glasgow with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to Glasgow?

I’m not ready to book a flight from Seattle to Glasgow right now. Can momondo alert me if prices change?

An easier way to manage your Glasgow trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Glasgow

Airports listed have a maximum distance of 27.7 mi from Glasgow