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

Icelandair, British Airways, and Aer Lingus 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 43% 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 6 operators available for flights from Seattle/Tacoma Intl Airport to Glasgow as of July 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.

$293 Cheap Flights from Seattle to Glasgow in 2025

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Find the cheapest flights from Seattle to Glasgow

Round-trip

One-way

Last minute

Cheap round-trip flights

7:35 pm - 9:25 pmSEA-GLA

17h 50m1 stop

7:35 am - 5:50 pmGLA-SEA

18h 15m1 stop

$434

Find Deal

Sun, Aug 3 - Tue, Aug 19

2:35 pm - 9:55 amSEA-GLA

11h 20m1 stop

12:35 pm - 5:00 pmGLA-SEA

12h 25m1 stop

$509Icelandair

Find Deal

Thu, Nov 13 - Wed, Nov 19

7:35 pm - 7:40 pmSEA-GLA

16h 05m1 stop

12:00 pm - 5:50 pmGLA-SEA

13h 50m1 stop

$534Aer Lingus

Find Deal

Sun, Aug 3 - Tue, Aug 19

7:35 pm - 3:25 pmSEA-GLA

11h 50m1 stop

12:00 pm - 5:50 pmGLA-SEA

13h 50m1 stop

$564Aer Lingus

Find Deal

Mon, Aug 18 - Wed, Sep 3

3:35 pm - 9:55 amSEA-GLA

11h 20m1 stop

12:35 pm - 5:00 pmGLA-SEA

12h 25m1 stop

$580Icelandair

Find Deal

Sat, Nov 1 - Sun, Nov 16

7:00 pm - 1:25 pmSEA-GLA

10h 25m1 stop

2:20 pm - 8:40 pmGLA-SEA

14h 20m1 stop

$610Icelandair

Find Deal

Mon, Oct 6 - Mon, Oct 20

1:30 pm - 10:30 amSEA-GLA

13h 00m1 stop

5:50 am - 5:29 pmGLA-SEA

19h 39m2 stops

$719British Airways

Find Deal

Sun, Aug 24 - Tue, Sep 16

8:20 pm - 6:45 pmSEA-GLA

14h 25m1 stop

8:35 am - 8:46 pmGLA-SEA

20h 11m2 stops

$725British Airways

Find Deal

Sun, Oct 5 - Tue, Oct 14

6:10 am - 1:00 pmSEA-GLA

22h 50m2 stops

1:30 pm - 4:05 pmGLA-SEA

34h 35m1 stop

$732Delta

Find Deal

Mon, Aug 18 - Wed, Sep 3

5:40 pm - 8:25 amSEA-GLA

30h 45m1 stop

1:30 pm - 11:35 amGLA-SEA

30h 05m1 stop

$733Delta

Find Deal

Sun, Aug 3 - Thu, Aug 21

British Airways flights from Seattle to Glasgow

Our best British Airways deals on Seattle to Glasgow flight tickets

British Airways

Aug 24

SEA1:30 pmSeattle/Tacoma Intl

13h 00m

1 stop

GLA10:30 amGlasgow Intl

Sep 16

GLA5:50 amGlasgow Intl

19h 39m

2 stops

SEA5:29 pmSeattle/Tacoma Intl

$719

Find similar

British Airways

Oct 5

SEA8:20 pmSeattle/Tacoma Intl

14h 25m

1 stop

GLA6:45 pmGlasgow Intl

Oct 14

GLA8:35 amGlasgow Intl

20h 11m

2 stops

SEA8:46 pmSeattle/Tacoma Intl

$725

Find similar

Icelandair flights from Seattle to Glasgow

Our best Icelandair deals on Seattle to Glasgow flight tickets

Icelandair

Nov 13

SEA2:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

Nov 19

GLA12:35 pmGlasgow Intl

12h 25m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$509

Find similar

Icelandair

Nov 1

SEA3:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

Nov 16

GLA12:35 pmGlasgow Intl

12h 25m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$580

Find similar

Icelandair

Oct 6

SEA7:00 pmSeattle/Tacoma Intl

10h 25m

1 stop

GLA1:25 pmGlasgow Intl

Oct 20

GLA2:20 pmGlasgow Intl

14h 20m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

$610

Find similar

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 November, then departing from Seattle during the month February is also very affordable. Most momondo users find prices during this month for around $717.

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 $852 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 $660 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

Best Price Found	$293
Fastest flight time	10h 25m
Direct flights	None
Airports in Glasgow	1 airport

The best one-way flight to Glasgow from Seattle in the past 72 hours is $293. The best round-trip flight deal from Seattle to Glasgow found on momondo in the last 72 hours is $434.

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

There are no direct flights from Seattle to Glasgow. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Glasgow Intl Airport.

There is 1 airport near Glasgow: Glasgow Intl (GLA)

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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 6 operators available for flights from Seattle/Tacoma Intl Airport to Glasgow as of July 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
Icelandair	PriceFrom $550	Free Cancellation	Rating 7.0 514 reviews	Search Icelandair flights
Aer Lingus	PriceFrom $621	Free Cancellation	Rating 7.1 1,152 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $652	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights
Lufthansa	PriceFrom $671	Free Cancellation	Rating 6.8 7,199 reviews	Search Lufthansa flights
WestJet	PriceFrom $673	Free Cancellation	Rating 7.2 2,924 reviews	Search WestJet flights
British Airways	PriceFrom $673	Free Cancellation	Rating 6.6 7,109 reviews	Search British Airways flights
Delta	PriceFrom $687	Free Cancellation	Rating 8.0 7,952 reviews	Search Delta flights
American Airlines	PriceFrom $689	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Virgin Atlantic	PriceFrom $756	Free Cancellation	Rating 7.4 653 reviews	Search Virgin Atlantic flights
KLM	PriceFrom $785	Free Cancellation	Rating 7.8 1,372 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

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Find better results for your trip to the United Kingdom

Cheap flights from Seattle to Glasgow from $293

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 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Seattle to Glasgow

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

British Airways flights from Seattle to Glasgow

Our best British Airways deals on Seattle to Glasgow flight tickets

Icelandair flights from Seattle to Glasgow

Our best Icelandair deals on Seattle to Glasgow flight tickets

See travel insights to Glasgow from

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 November, then departing from Seattle during the month February is also very affordable. Most momondo users find prices during this month for around $717.

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?

Icelandair, British Airways, and Aer Lingus 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

Best Price Found

Fastest flight time

Direct flights

Airports in Glasgow

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