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 41% of people opting to fly with this airline when traveling to Glasgow. Keep in mind that there are 12 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 October 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.

$381 Cheap Flights from Seattle to Glasgow in 2025/26

Q: What is the typical price of a round-trip flight between Seattle and Glasgow?

Prices are currently low for flights on this route. Typical prices usually range from $649 to $825. The lowest price recently found on this route was $502.

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Find the cheapest flights from Seattle to Glasgow

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:35 pm - 9:55 amSEA-GLA

11h 20m1 stop

12:35 pm - 5:00 pmGLA-SEA

12h 25m1 stop

$502Icelandair

Find Deal

dom., nov. 2 - mar., nov. 18

3:35 pm - 9:55 amSEA-GLA

11h 20m1 stop

1:20 pm - 6:00 pmGLA-SEA

11h 40m1 stop

$532Icelandair

Find Deal

jue., mar. 19 - sáb., mar. 28

10:05 am - 8:05 pmSEA-GLA

26h 00m3 stops

10:15 pm - 7:16 pmGLA-SEA

29h 01m3 stops

$643Multiple Airlines

Find Deal

dom., nov. 23 - dom., nov. 30

1:35 pm - 10:45 amSEA-GLA

13h 10m1 stop

6:35 am - 11:30 amGLA-SEA

12h 55m1 stop

$650British Airways

Find Deal

sáb., feb. 7 - sáb., feb. 14

6:50 pm - 5:10 pmSEA-GLA

14h 20m1 stop

6:35 am - 4:55 pmGLA-SEA

18h 20m1 stop

$651British Airways

Find Deal

sáb., feb. 7 - sáb., feb. 14

9:54 am - 10:45 amSEA-GLA

16h 51m2 stops

9:35 am - 11:07 pmGLA-SEA

21h 32m2 stops

$670Multiple Airlines

Find Deal

sáb., feb. 7 - sáb., feb. 14

3:10 pm - 10:55 pmSEA-GLA

23h 45m2 stops

6:00 am - 12:10 pmGLA-SEA

14h 10m1 stop

$696Lufthansa

Find Deal

dom., nov. 2 - mar., nov. 18

10:05 am - 12:05 pmSEA-GLA

19h 00m2 stops

6:10 am - 10:29 pmGLA-SEA

24h 19m2 stops

$784Lufthansa

Find Deal

dom., mar. 22 - dom., mar. 29

3:05 pm - 10:05 amSEA-GLA

35h 00m1 stop

6:05 am - 11:50 amGLA-SEA

13h 45m1 stop

$835Delta

Find Deal

vie., dic. 12 - vie., dic. 26

3:05 pm - 10:05 amSEA-GLA

35h 00m1 stop

6:05 am - 5:00 pmGLA-SEA

18h 55m2 stops

$866Delta

Find Deal

vie., dic. 12 - jue., dic. 25

Icelandair flights from Seattle to Glasgow

Our best Icelandair deals on Seattle to Glasgow flight tickets

Icelandair

Nov 2

SEA2:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

Nov 18

GLA12:35 pmGlasgow Intl

12h 25m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$502

Find similar

Icelandair

Mar 19

SEA3:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

Mar 28

GLA1:20 pmGlasgow Intl

11h 40m

1 stop

SEA6:00 pmSeattle/Tacoma Intl

$532

Find similar

Icelandair

Mar 22

SEA3:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

Mar 29

GLA2:20 pmGlasgow Intl

11h 30m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

$535

Find similar

British Airways flights from Seattle to Glasgow

Our best British Airways deals on Seattle to Glasgow flight tickets

British Airways

Feb 7

SEA1:35 pmSeattle/Tacoma Intl

13h 10m

1 stop

GLA10:45 amGlasgow Intl

Feb 14

GLA6:35 amGlasgow Intl

12h 55m

1 stop

SEA11:30 amSeattle/Tacoma Intl

$650

Find similar

British Airways

Feb 7

SEA6:50 pmSeattle/Tacoma Intl

14h 20m

1 stop

GLA5:10 pmGlasgow Intl

Feb 14

GLA6:35 amGlasgow Intl

18h 20m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

$651

Find similar

British Airways

Dec 9

SEA1:25 pmSeattle/Tacoma Intl

13h 20m

1 stop

GLA10:45 amGlasgow Intl

Dec 18

GLA12:45 pmGlasgow Intl

18h 28m

2 stops

SEA11:13 pmSeattle/Tacoma Intl

$659

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

dom. 11/2

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

mar. 11/18

12:35 pm-5:00 pm

1 stop12h 25m

$502

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

jue. 3/19

3:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

sáb. 3/28

1:20 pm-6:00 pm

1 stop11h 40m

$532

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

dom. 11/23

10:05 am-8:05 pm

3 stops26h 00m

Glasgow Intl

dom. 11/30

10:15 pm-7:16 pm

3 stops29h 01m

$643

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

sáb. 2/7

1:35 pm-10:45 am

1 stop13h 10m

Glasgow Intl

sáb. 2/14

6:35 am-11:30 am

1 stop12h 55m

$650

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

sáb. 2/7

6:50 pm-5:10 pm

1 stop14h 20m

Glasgow Intl

sáb. 2/14

6:35 am-4:55 pm

1 stop18h 20m

$651

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

sáb. 2/7

9:54 am-10:45 am

2 stops16h 51m

Glasgow Intl

sáb. 2/14

9:35 am-11:07 pm

2 stops21h 32m

$670

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

dom. 11/2

3:10 pm-10:55 pm

2 stops23h 45m

Glasgow Intl

mar. 11/18

6:00 am-12:10 pm

1 stop14h 10m

$696

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

dom. 3/22

10:05 am-12:05 pm

2 stops19h 00m

Glasgow Intl

dom. 3/29

6:10 am-10:29 pm

2 stops24h 19m

$784

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

vie. 12/12

3:05 pm-10:05 am

1 stop35h 00m

Glasgow Intl

vie. 12/26

6:05 am-11:50 am

1 stop13h 45m

$835

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

vie. 12/12

3:05 pm-10:05 am

1 stop35h 00m

Glasgow Intl

jue. 12/25

6:05 am-5:00 pm

2 stops18h 55m

$866

Flights are sorted by cheapest round-trip flights first.

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 typical price of a round-trip flight between Seattle and Glasgow?

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 March is also very affordable. Most momondo users find prices during this month for around $708.

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 $825 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

Direct flights	None

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 11h 20m 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 October 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 2,908 reviews	Search JetBlue flights
Icelandair	PriceFrom $485	Free Cancellation	Rating 7.0 551 reviews	Search Icelandair flights
American Airlines	PriceFrom $628	Free Cancellation	Rating 7.2 11,045 reviews	Search American Airlines flights
United Airlines	PriceFrom $652	Free Cancellation	Rating 7.4 8,965 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $655	Free Cancellation	Rating 7.2 1,324 reviews	Search Aer Lingus flights
British Airways	PriceFrom $671	Free Cancellation	Rating 6.7 7,446 reviews	Search British Airways flights
Lufthansa	PriceFrom $673	Free Cancellation	Rating 6.8 7,465 reviews	Search Lufthansa flights
Delta	PriceFrom $687	Free Cancellation	Rating 7.9 7,971 reviews	Search Delta flights
Air France	PriceFrom $736	Free Cancellation	Rating 7.4 1,467 reviews	Search Air France flights
Virgin Atlantic	PriceFrom $752	Free Cancellation	Rating 7.4 665 reviews	Search Virgin Atlantic 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.