£331 Cheap Flights from Portland (PWM) to Glasgow (GLA)

View £331 flight on Thu, 14 May 2026Opens in a new window

Popular airlines from Portland Intl. Jetport Airport (PWM) to Glasgow International Airport (GLA)

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Cheap Flights from Portland (PWM) to Glasgow (GLA)

Prices were available within the past 7 days and start at £331 for one-way flights and £865 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sun, 7 Jun - Sun, 14 Jun
PWM
Portland
GLA
Glasgow
£865 Return, found 4 days ago
£865
Return
found 4 days ago
Select KLM flight, departing Sun, 7 Jun from Portland to Glasgow, returning Sun, 14 Jun, priced at £865 found 4 days ago
KLM
Sun, 7 Jun - Sun, 14 Jun
PWM
Portland
GLA
Glasgow
£947 Return, found 4 days ago
£947
Return
found 4 days ago
Select KLM flight, departing Sun, 7 Jun from Portland to Glasgow, returning Sun, 14 Jun, priced at £947 found 4 days ago
KLM
Sun, 7 Jun - Sun, 14 Jun
PWM
Portland
GLA
Glasgow
£1,013 Return, found 4 days ago
£1,013
Return
found 4 days ago
Select KLM flight, departing Sun, 7 Jun from Portland to Glasgow, returning Sun, 14 Jun, priced at £1,013 found 4 days ago
KLM
Sun, 7 Jun - Sun, 14 Jun
PWM
Portland
GLA
Glasgow
£1,021 Return, found 4 days ago
£1,021
Return
found 4 days ago
Select KLM flight, departing Sun, 7 Jun from Portland to Glasgow, returning Sun, 14 Jun, priced at £1,021 found 4 days ago
KLM
Sun, 7 Jun - Sun, 14 Jun
PWM
Portland
GLA
Glasgow
£1,078 Return, found 4 days ago
£1,078
Return
found 4 days ago
Select KLM flight, departing Sun, 7 Jun from Portland to Glasgow, returning Sun, 14 Jun, priced at £1,078 found 4 days ago
KLM
Sun, 7 Jun - Sun, 14 Jun
PWM
Portland
GLA
Glasgow
£1,095 Return, found 4 days ago
£1,095
Return
found 4 days ago
Select KLM flight, departing Sun, 7 Jun from Portland to Glasgow, returning Sun, 14 Jun, priced at £1,095 found 4 days ago
JetBlue Airways
Sun, 7 Jun - Sun, 14 Jun
PWM
Portland
GLA
Glasgow
£1,096 Return, found 4 days ago
£1,096
Return
found 4 days ago
Select JetBlue Airways flight, departing Sun, 7 Jun from Portland to Glasgow, returning Sun, 14 Jun, priced at £1,096 found 4 days ago
JetBlue Airways
Sun, 7 Jun - Sun, 14 Jun
PWM
Portland
GLA
Glasgow
£1,119 Return, found 4 days ago
£1,119
Return
found 4 days ago
Select JetBlue Airways flight, departing Sun, 7 Jun from Portland to Glasgow, returning Sun, 14 Jun, priced at £1,119 found 4 days ago
KLM
Sun, 7 Jun - Sun, 14 Jun
PWM
Portland
GLA
Glasgow
£1,127 Return, found 4 days ago
£1,127
Return
found 4 days ago
Select KLM flight, departing Sun, 7 Jun from Portland to Glasgow, returning Sun, 14 Jun, priced at £1,127 found 4 days ago
Air France
Sun, 7 Jun - Sun, 14 Jun
PWM
Portland
GLA
Glasgow
£1,168 Return, found 4 days ago
£1,168
Return
found 4 days ago
Select Air France flight, departing Sun, 7 Jun from Portland to Glasgow, returning Sun, 14 Jun, priced at £1,168 found 4 days ago

Frequently asked questions

How do I find cheap flights from Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.)?
To find a cheap flight from Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.)?
There are approximately 16 connecting flights per day from Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.). Some common connection points include John F. Kennedy Intl. (JFK), Philadelphia Intl. (PHL), and O'Hare Intl. (ORD).
What is the earliest flight from Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.)?
The earliest flight from Portland Intl. Jetport (PWM) to Glasgow Intl. (GLA) typically departs at approximately 6:00 AM local time. This service is operated by airlines such as B6 and EI, and it is a seasonal service active in June. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.)?
You'll typically find the most flights from Portland Intl. Jetport (PWM) to Glasgow Intl. (GLA) on a Wednesday, with around 28 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta Air Lines, United Airlines, and American Airlines.
What are the most popular departure times for flights from Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.)?
The most popular departure times for flights from Portland Intl. Jetport (PWM) to Glasgow Intl. (GLA) are between 12pm and 3pm. About 42% of passengers prefer this time. Many major carriers, including American Airlines, British Airways and Icelandair, offer flights during this window. This timing works well because it allows for a midday departure, giving you time in the morning before your flight and an evening arrival at your destination.
How long does it take to fly from Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.)?
Flights from PWM to GLA with one stop typically take around 23 hours 20 minutes, covering approximately 2,937 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.)?
Select the "Business class" and "First class" filters when looking for PWM to GLA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.) flight with Expedia?
It's easy to earn miles on a Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Glasgow from Portland Intl. Jetport (PWM)?
From Portland Intl. Jetport (PWM), you can fly directly into Glasgow Intl. (GLA) to reach Glasgow. Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Philadelphia Intl. (PHL), O'Hare Intl. (ORD) before reaching Glasgow. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.) at the last minute?
Typically, booking a last minute flight from Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.) flight and hotel package?
Securing a Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.)?
If you booked your Portland, ME (PWM-Portland Intl. Jetport) to Glasgow (GLA-Glasgow Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portland Intl. Jetport
Destination airport
Glasgow Intl.
Return price
£864
Distance
4698 km

Book with confidence

Compare flights from Portland to Glasgow easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Portland to Glasgow. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Glasgow Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Portland Intl. Jetport to Glasgow Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Portland Intl. Jetport (PWM) to Glasgow Intl. (GLA)

The easiest way to view the best deals on flights from Portland to Glasgow today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Portland Intl. Jetport to Glasgow Intl. start at just £865 and range up to £1,168.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Portland and Glasgow
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Portland to Glasgow flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Portland Intl. Jetport to Glasgow Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Portland to Glasgow easily and book with confidence

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