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Cheap flights from Portland, Maine to Glasgow from $632

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Glasgow departing on 2/23. 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
0 bags

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Find the cheapest flights from Portland, Maine to Glasgow

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:40 pm - 2:30 pm
PWM
-
GLA
15h 50m
2 stops
American Airlines Logo
8:55 am - 10:50 pm
GLA
-
PWM
18h 55m
2 stops
$632American Airlines
Mon, Feb 23 - Mon, Mar 2
American Airlines Logo
1:18 pm - 10:45 am
PWM
-
GLA
16h 27m
2 stops
American Airlines Logo
9:30 am - 11:10 pm
GLA
-
PWM
18h 40m
2 stops
$675American Airlines
Tue, Apr 14 - Fri, Apr 24
American Airlines Logo
11:59 am - 11:30 am
PWM
-
GLA
18h 31m
2 stops
American Airlines Logo
6:25 am - 9:44 pm
GLA
-
PWM
20h 19m
2 stops
$724American Airlines
Sun, Apr 5 - Wed, May 27
American Airlines Logo
7:23 pm - 4:10 pm
PWM
-
GLA
15h 47m
2 stops
American Airlines Logo
9:30 am - 11:10 pm
GLA
-
PWM
18h 40m
2 stops
$755American Airlines
Mon, Apr 13 - Fri, Apr 24
American Airlines Logo
5:45 pm - 4:25 pm
PWM
-
GLA
17h 40m
2 stops
American Airlines Logo
7:55 am - 11:10 pm
GLA
-
PWM
20h 15m
2 stops
$775American Airlines
Fri, May 1 - Sat, May 9
Lufthansa Logo
9:49 am - 8:45 am
PWM
-
GLA
17h 56m
2 stops
Lufthansa Logo
2:00 pm - 11:30 pm
GLA
-
PWM
14h 30m
1 stop
$956Lufthansa
Sun, Apr 5 - Wed, May 27
Delta Logo
2:35 pm - 4:10 pm
PWM
-
GLA
20h 35m
2 stops
Delta Logo
6:00 am - 11:59 pm
GLA
-
PWM
22h 59m
2 stops
$1,015Delta
Thu, May 28 - Sun, Jun 7
Icelandair Logo
6:00 am - 1:25 pm
PWM
-
GLA
26h 25m
2 stops
Icelandair Logo
2:20 pm - 1:23 pm
GLA
-
PWM
28h 03m
2 stops
$1,114Icelandair
Fri, May 22 - Sat, May 30
Austrian Airlines Logo
10:55 am - 10:10 am
PWM
-
GLA
18h 15m
1 stop
Austrian Airlines Logo
2:00 pm - 9:11 am
GLA
-
PWM
24h 11m
1 stop
$1,134Austrian Airlines
Thu, May 28 - Sun, Jun 7
TAP AIR PORTUGAL Logo
5:20 am - 10:10 am
PWM
-
GLA
23h 50m
2 stops
TAP AIR PORTUGAL Logo
2:00 pm - 9:11 am
GLA
-
PWM
24h 11m
1 stop
$1,139TAP AIR PORTUGAL
Thu, May 28 - Sun, Jun 7

American Airlines flights from Portland, Maine to Glasgow Intl Airport

Our best American Airlines deals on Portland, Maine to Glasgow Intl Airport flight tickets
American Airlines
Feb 23
PWM5:40 pmPortland
15h 50m
2 stops
GLA2:30 pmGlasgow Intl
Mar 2
GLA8:55 amGlasgow Intl
18h 55m
2 stops
PWM10:50 pmPortland
$632
American Airlines
Apr 14
PWM1:18 pmPortland
16h 27m
2 stops
GLA10:45 amGlasgow Intl
Apr 24
GLA9:30 amGlasgow Intl
18h 40m
2 stops
PWM11:10 pmPortland
$675
American Airlines
Apr 5
PWM11:59 amPortland
18h 31m
2 stops
GLA11:30 amGlasgow Intl
May 27
GLA6:25 amGlasgow Intl
20h 19m
2 stops
PWM9:44 pmPortland
$724

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Glasgow Intl Airport 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 832,500 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from Portland, Maine to Glasgow Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Mon 2/23

5:40 pm-2:30 pm

2 stops15h 50m

Glasgow Intl

Mon 3/2

8:55 am-10:50 pm

2 stops18h 55m

$632

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Tue 4/14

1:18 pm-10:45 am

2 stops16h 27m

Glasgow Intl

Fri 4/24

9:30 am-11:10 pm

2 stops18h 40m

$675

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Sun 4/5

11:59 am-11:30 am

2 stops18h 31m

Glasgow Intl

Wed 5/27

6:25 am-9:44 pm

2 stops20h 19m

$724

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Mon 4/13

7:23 pm-4:10 pm

2 stops15h 47m

Glasgow Intl

Fri 4/24

9:30 am-11:10 pm

2 stops18h 40m

$755

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Fri 5/1

5:45 pm-4:25 pm

2 stops17h 40m

Glasgow Intl

Sat 5/9

7:55 am-11:10 pm

2 stops20h 15m

$775

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Sun 4/5

9:49 am-8:45 am

2 stops17h 56m

Glasgow Intl

Wed 5/27

2:00 pm-11:30 pm

1 stop14h 30m

$956

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Thu 5/28

2:35 pm-4:10 pm

2 stops20h 35m

Glasgow Intl

Sun 6/7

6:00 am-11:59 pm

2 stops22h 59m

$1,015

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Fri 5/22

6:00 am-1:25 pm

2 stops26h 25m

Glasgow Intl

Sat 5/30

2:20 pm-1:23 pm

2 stops28h 03m

$1,114

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Thu 5/28

10:55 am-10:10 am

1 stop18h 15m

Glasgow Intl

Sun 6/7

2:00 pm-9:11 am

1 stop24h 11m

$1,134

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Thu 5/28

5:20 am-10:10 am

2 stops23h 50m

Glasgow Intl

Sun 6/7

2:00 pm-9:11 am

1 stop24h 11m

$1,139

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Glasgow from

How to get the cheapest flight ticket from Portland, Maine to Glasgow Intl Airport

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 airlines fly to Glasgow Intl Airport?

British Airways, Icelandair and Aer Lingus are the top three most popular airlines that fly to Glasgow Intl Airport from Portland, Maine 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 Intl Airport. Keep in mind that there are 7 different airlines that fly to Glasgow Intl Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Portland, Maine to Glasgow Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Glasgow Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to Glasgow Intl Airport (PWM to GLA) flight deals and tips

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

Fastest flight time

14h 03m

Direct flights

None
The fastest flight from Portland, Maine to Glasgow Intl Airport takes 14h 03m
There are no direct flights from Portland, Maine to Glasgow Intl Airport. There are no popular flight routes from Portland, Maine to Glasgow Intl Airport.
Search flight deals

  • How far is Portland to Glasgow Intl by plane?

    The straight-line distance from Portland to Glasgow Intl is 2931.7 mi. By plane, this route typically takes 14h 03m.

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

    Prices for flights from Portland Airport to Glasgow Intl Airport refresh daily.

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

    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 Intl Airport.

  • What documentation or ID do you need to fly to Glasgow Intl Airport?

    The required travel and health documents for your Glasgow Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Glasgow Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Glasgow?

Book flights to Glasgow if you plan to visit one of these locations
Paisley
Dumbarton
Helensburgh
Inveraray
Alexandria
Glencoe
Kilmarnock
Dunoon
East Kilbride
Ballachulish
Kinlochleven
Renfrew
Tarbert

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Glasgow. momondo saves you time and could save you money on your trip.

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?

Once all potential Portland to Glasgow flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Glasgow from Portland 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 Intl Airport 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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