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Cheap flights from Portland, Maine to Glasgow from $681

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 1/15. 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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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.
Delta Logo
2:35 pm - 4:35 pmPWM-GLA
21h 00m2 stops
Delta Logo
6:05 am - 12:20 amGLA-PWM
23h 15m2 stops
$681Delta
Find Deal
Thu, Jan 15 - Thu, Feb 5
Delta Logo
2:34 pm - 8:30 amPWM-GLA
12h 56m2 stops
Delta Logo
6:05 am - 12:04 amGLA-PWM
22h 59m2 stops
$698Delta
Find Deal
Wed, Dec 10 - Wed, Dec 17
American Airlines Logo
12:35 pm - 1:05 pmPWM-GLA
19h 30m2 stops
American Airlines Logo
11:30 am - 11:40 pmGLA-PWM
17h 10m3 stops
$762American Airlines
Find Deal
Thu, Jan 15 - Thu, Feb 5
American Airlines Logo
7:50 am - 1:05 pmPWM-GLA
25h 15m2 stops
American Airlines Logo
1:35 pm - 10:32 pmGLA-PWM
37h 57m2 stops
$967American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
7:50 am - 3:10 pmPWM-GLA
27h 20m2 stops
American Airlines Logo
1:35 pm - 10:32 pmGLA-PWM
37h 57m2 stops
$968American Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31

Delta flights from Portland, Maine to Glasgow Intl Airport

Our best Delta deals on Portland, Maine to Glasgow Intl Airport flight tickets
Delta
Jan 15
PWM2:35 pmPortland
21h 00m
2 stops
GLA4:35 pmGlasgow Intl
Feb 5
GLA6:05 amGlasgow Intl
23h 15m
2 stops
PWM12:20 amPortland
$681
Find similar
Delta
Dec 10
PWM2:34 pmPortland
12h 56m
2 stops
GLA8:30 amGlasgow Intl
Dec 17
GLA6:05 amGlasgow Intl
22h 59m
2 stops
PWM12:04 amPortland
$698
Find similar

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
Jan 15
PWM12:35 pmPortland
19h 30m
2 stops
GLA1:05 pmGlasgow Intl
Feb 5
GLA11:30 amGlasgow Intl
17h 10m
3 stops
PWM11:40 pmPortland
$762
Find similar
American Airlines
Mar 27
PWM7:50 amPortland
25h 15m
2 stops
GLA1:05 pmGlasgow Intl
Mar 31
GLA1:35 pmGlasgow Intl
37h 57m
2 stops
PWM10:32 pmPortland
$967
Find similar
American Airlines
Mar 27
PWM7:50 amPortland
27h 20m
2 stops
GLA3:10 pmGlasgow Intl
Mar 31
GLA1:35 pmGlasgow Intl
37h 57m
2 stops
PWM10:32 pmPortland
$968
Find similar

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 October 27, 2025.
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

Thu 1/15

2:35 pm-4:35 pm

2 stops21h 00m

Glasgow Intl

Thu 2/5

6:05 am-12:20 am

2 stops23h 15m

$681

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Wed 12/10

2:34 pm-8:30 am

2 stops12h 56m

Glasgow Intl

Wed 12/17

6:05 am-12:04 am

2 stops22h 59m

$698

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Thu 1/15

12:35 pm-1:05 pm

2 stops19h 30m

Glasgow Intl

Thu 2/5

11:30 am-11:40 pm

3 stops17h 10m

$762

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Fri 3/27

7:50 am-1:05 pm

2 stops25h 15m

Glasgow Intl

Tue 3/31

1:35 pm-10:32 pm

2 stops37h 57m

$967

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Fri 3/27

7:50 am-3:10 pm

2 stops27h 20m

Glasgow Intl

Tue 3/31

1:35 pm-10:32 pm

2 stops37h 57m

$968

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

Our most recent data shows that the best time of day to fly to Glasgow Intl Airport is in the afternoon. Flights from Portland, Maine to Glasgow Intl Airport during this time can be as low as $815. Try not to purchase tickets at noon because they tend to be around $1,104. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights

None
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.
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  • 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 12h 56m.

  • 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
Glencoe
Dumbarton
Inveraray
Kinlochleven
Alexandria
Kilmarnock
Arrochar
Dunoon
Ballachulish
East Kilbride
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

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