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Cheap flights from Portland, Maine to Glasgow from £278

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Glasgow departing on 25/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Portland, Maine to Glasgow

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
17:24 - 16:25
PWM
-
GLA
18h 01m
2 stops
American Airlines Logo
07:00 - 21:55
GLA
-
PWM
19h 55m
2 stops
£685American Airlines
Fri, 25 Sep - Fri, 2 Oct
United Airlines Logo
10:43 - 10:10
PWM
-
GLA
18h 27m
1 stop
United Airlines Logo
14:00 - 20:00
GLA
-
PWM
11h 00m
1 stop
£692United Airlines
Fri, 25 Sep - Fri, 2 Oct
American Airlines Logo
15:06 - 15:35
PWM
-
GLA
19h 29m
2 stops
American Airlines Logo
09:30 - 21:21
GLA
-
PWM
16h 51m
2 stops
£693American Airlines
Wed, 12 Aug - Wed, 2 Sep
United Airlines Logo
18:53 - 10:10
PWM
-
GLA
10h 17m
1 stop
United Airlines Logo
14:00 - 23:32
GLA
-
PWM
14h 32m
1 stop
£695United Airlines
Tue, 18 Aug - Thu, 10 Sep
United Airlines Logo
07:35 - 10:10
PWM
-
GLA
21h 35m
2 stops
United Airlines Logo
14:00 - 23:32
GLA
-
PWM
14h 32m
1 stop
£698United Airlines
Tue, 18 Aug - Fri, 11 Sep
Delta Logo
13:12 - 16:15
PWM
-
GLA
22h 03m
2 stops
Delta Logo
06:00 - 23:56
GLA
-
PWM
22h 56m
2 stops
£700Delta
Wed, 19 Aug - Fri, 11 Sep
Delta Logo
16:59 - 12:55
PWM
-
GLA
38h 56m
2 stops
Delta Logo
09:10 - 23:30
GLA
-
PWM
19h 20m
2 stops
£704Delta
Sat, 22 Aug - Thu, 10 Sep
United Airlines Logo
17:03 - 10:10
PWM
-
GLA
36h 07m
2 stops
United Airlines Logo
14:00 - 23:32
GLA
-
PWM
14h 32m
1 stop
£707United Airlines
Sat, 22 Aug - Wed, 9 Sep
United Airlines Logo
05:15 - 10:10
PWM
-
GLA
23h 55m
2 stops
United Airlines Logo
14:00 - 23:32
GLA
-
PWM
14h 32m
1 stop
£717United Airlines
Wed, 19 Aug - Thu, 10 Sep
United Airlines Logo
06:00 - 10:10
PWM
-
GLA
23h 10m
1 stop
United Airlines Logo
14:00 - 23:32
GLA
-
PWM
14h 32m
1 stop
£718United Airlines
Wed, 19 Aug - Fri, 11 Sep

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American Airlines flights from Portland, Maine to Glasgow

Our best American Airlines deals on Portland, Maine to Glasgow flight tickets
American Airlines
25 Sept
PWM17:24Portland
18h 01m
2 stops
GLA16:25Glasgow Intl
2 Oct
GLA07:00Glasgow Intl
19h 55m
2 stops
PWM21:55Portland
£685
American Airlines
12 Aug
PWM15:06Portland
19h 29m
2 stops
GLA15:35Glasgow Intl
2 Sept
GLA09:30Glasgow Intl
16h 51m
2 stops
PWM21:21Portland
£693
American Airlines
20 Aug
PWM18:09Portland
16h 56m
2 stops
GLA16:05Glasgow Intl
11 Sept
GLA08:35Glasgow Intl
18h 20m
2 stops
PWM21:55Portland
£730

United Airlines flights from Portland, Maine to Glasgow

Our best United Airlines deals on Portland, Maine to Glasgow flight tickets
United Airlines
25 Sept
PWM10:43Portland
18h 27m
1 stop
GLA10:10Glasgow Intl
2 Oct
GLA14:00Glasgow Intl
11h 00m
1 stop
PWM20:00Portland
£692
United Airlines
18 Aug
PWM18:53Portland
10h 17m
1 stop
GLA10:10Glasgow Intl
10 Sept
GLA14:00Glasgow Intl
14h 32m
1 stop
PWM23:32Portland
£695
United Airlines
18 Aug
PWM07:35Portland
21h 35m
2 stops
GLA10:10Glasgow Intl
11 Sept
GLA14:00Glasgow Intl
14h 32m
1 stop
PWM23:32Portland
£698

momondo Fare Finder

 
Customise your flight search to find flights from Portland, Maine 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, momondo users made 279,928 searches. Data last updated 14 June 2026.
Use the filters below to find and compare flights from Portland, Maine to Glasgow that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Fri 25/9

17:24-16:25

2 stops18h 01m

Glasgow Intl

Fri 2/10

07:00-21:55

2 stops19h 55m

£685

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Fri 25/9

10:43-10:10

1 stop18h 27m

Glasgow Intl

Fri 2/10

14:00-20:00

1 stop11h 00m

£692

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Wed 12/8

15:06-15:35

2 stops19h 29m

Glasgow Intl

Wed 2/9

09:30-21:21

2 stops16h 51m

£693
Fastest return journey

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Tue 18/8

18:53-10:10

1 stop10h 17m

Glasgow Intl

Thu 10/9

14:00-23:32

1 stop14h 32m

£695

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Tue 18/8

07:35-10:10

2 stops21h 35m

Glasgow Intl

Fri 11/9

14:00-23:32

1 stop14h 32m

£698

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Wed 19/8

13:12-16:15

2 stops22h 03m

Glasgow Intl

Fri 11/9

06:00-23:56

2 stops22h 56m

£700

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Sat 22/8

16:59-12:55

2 stops38h 56m

Glasgow Intl

Thu 10/9

09:10-23:30

2 stops19h 20m

£704

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Sat 22/8

17:03-10:10

2 stops36h 07m

Glasgow Intl

Wed 9/9

14:00-23:32

1 stop14h 32m

£707

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Wed 19/8

05:15-10:10

2 stops23h 55m

Glasgow Intl

Thu 10/9

14:00-23:32

1 stop14h 32m

£717

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Wed 19/8

06:00-10:10

1 stop23h 10m

Glasgow Intl

Fri 11/9

14:00-23:32

1 stop14h 32m

£718

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Glasgow from

How to get the cheapest flight ticket from Portland, Maine 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 airline that flies from Portland to Glasgow?

American Airlines and United Airlines are the most popular carriers operating from Portland to Glasgow

Which airlines fly to Glasgow?

Icelandair, JetBlue and Aer Lingus are the top three most popular airlines that fly to Glasgow from Portland, Maine according to our data. Icelandair is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Glasgow. Keep in mind that there are 3 different airlines that fly to Glasgow on a routine basis, so you have a few additional options to choose from.

Cheap Portland, Maine to Glasgow flight deals and tips

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

Fastest flight time

13h 54m

Direct flights

None
The fastest flight from Portland, Maine to Glasgow takes 13h 54m
There are no direct flights from Portland, Maine to Glasgow. There are no popular flight routes from Portland, Maine to Glasgow.
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Frequently asked questions about flying from Portland, Maine to Glasgow

  • How far is Portland to Glasgow by plane?

    The straight-line distance from Portland to Glasgow is 2938.7 mi. 13h 54m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Portland Airport to Glasgow?

    Prices for flights from Portland Airport to Glasgow refresh daily.

  • How old do you have to be to fly from Portland Airport to Glasgow?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland 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.

Why use momondo?

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

It is quick and easy to find Portland 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 Portland to Glasgow with flexible booking policies on momondo?

Yes. All flights to Glasgow from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Glasgow.

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

If you are not ready to book a flight from Portland to Glasgow now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Glasgow and let you know when they change.

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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
Glasgow Intl Airport
Glasgow Prestwick Airport