HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Glasgow Intl

$331+ Cheap flights from Portland (PDX) to Glasgow Intl (GLA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GLA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Glasgow Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Portland to Glasgow Intl are usually found in November or April, booked 45 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Portland to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Glasgow Intl (GLA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$540
(oojo)

One-way from

$331
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$726
From Portland to Glasgow Intl
Search Deals
One-way flight from Portland to Glasgow Intl
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($290 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Portland to Glasgow Intl

Cheapest flights from Portland to Glasgow Intl
Explore the most affordable flight options available from Portland to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/223:20 pmPDX - GLA
1 stop14h 05mIcelandair
Wed 10/2912:35 pmGLA - PDX
1 stop12h 25mIcelandair
Deal found 9/15$540
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:15 amPDX - GLA
3 stops31h 10mMultiple Airlines
Tue 10/1410:35 pmGLA - PDX
2 stops24h 11mMultiple Airlines
Deal found 9/17$567
This CrystalTravel deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:45 pmPDX - GLA
1 stop11h 10mIcelandair
Sun 12/1412:35 pmGLA - PDX
1 stop12h 25mIcelandair
Deal found 9/17$569
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:29 amPDX - GLA
2 stops22h 21mBritish Airways
Fri 11/78:55 amGLA - PDX
2 stops22h 31mBritish Airways
Deal found 9/15$589
This FlightHub deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:45 pmPDX - GLA
1 stop11h 10mIcelandair
Mon 12/1512:35 pmGLA - PDX
1 stop12h 25mIcelandair
Deal found 9/17$593
This KLM deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/292:25 pmPDX - GLA
1 stop19h 10mKLM
Fri 11/76:05 amGLA - PDX
1 stop13h 20mKLM
Deal found 9/15$606
This KLM deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:15 amPDX - GLA
2 stops16h 55mKLM
Wed 10/156:00 amGLA - PDX
1 stop13h 20mKLM
Deal found 9/15$611
This KLM deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/225:00 pmPDX - GLA
2 stops15h 10mKLM
Wed 10/296:05 amGLA - PDX
1 stop13h 20mKLM
Deal found 9/17$612
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/512:55 pmPDX - GLA
1 stop19h 15mDelta
Tue 10/146:00 amGLA - PDX
2 stops23h 04mDelta
Deal found 9/17$617

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Glasgow Intl 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, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Portland to Glasgow Intl Airport that are best for you.

Fly from

Portland

Fly to

Glasgow Intl

Route

Depart

Return

Price

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 10/22

3:20 pm-1:25 pm

1 stop14h 05m

Glasgow Intl

Wed 10/29

12:35 pm-6:00 pm

1 stop12h 25m

$540

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sun 10/5

6:15 am-9:25 pm

3 stops31h 10m

Glasgow Intl

Tue 10/14

10:35 pm-2:46 pm

2 stops24h 11m

$567

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 10/29

10:29 am-3:50 pm

2 stops22h 21m

Glasgow Intl

Fri 11/7

8:55 am-11:26 pm

2 stops22h 31m

$589

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sat 12/6

2:45 pm-9:55 am

1 stop11h 10m

Glasgow Intl

Mon 12/15

12:35 pm-5:00 pm

1 stop12h 25m

$593

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 10/29

2:25 pm-4:35 pm

1 stop19h 10m

Glasgow Intl

Fri 11/7

6:05 am-11:25 am

1 stop13h 20m

$606

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sun 10/5

12:55 pm-11:10 pm

1 stop26h 15m

Glasgow Intl

Tue 10/14

1:30 pm-11:20 am

1 stop29h 50m

$607

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 10/22

1:15 pm-11:10 pm

1 stop25h 55m

Glasgow Intl

Wed 10/29

6:05 am-12:25 pm

1 stop13h 20m

$607

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 10/1

7:15 am-8:10 am

2 stops16h 55m

Glasgow Intl

Wed 10/15

6:00 am-11:20 am

1 stop13h 20m

$611

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 10/15

11:07 am-3:15 pm

3 stops44h 08m

$331

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sun 9/21

3:20 pm-1:25 pm

1 stop14h 05m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 16 results
1
2

Best time to book a flight from Portland to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Glasgow Intl Airport

How far ahead should I book a flight from Portland to Glasgow Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Glasgow Intl. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Portland to Glasgow Intl Airport, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Portland to Glasgow Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Portland to Glasgow Intl Airport (average of $664). Flying from Portland to Glasgow Intl Airport in June is currently the most expensive (average of $1,150). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to GLA?

Find hourly flight availability from Portland to Glasgow Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s typically best to fly out from Portland to Glasgow Intl Airport in the afternoon. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Portland to Glasgow Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Portland to Glasgow Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Glasgow Intl Airport flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Portland to Glasgow Intl Airport?

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Glasgow Intl. Reviews last updated September 17, 2025.
Read reviews from past customers who have flown Delta, KLM, and American Airlines from Portland to Glasgow Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,386 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Icelandair
7.0
Good
545 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,367 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Portland to Glasgow Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Glasgow Intl?

    If you book a flight to Glasgow Intl from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PDX) is located 6.0 mi from the center of Portland. There are 0 flights from Portland to Glasgow Intl per day from 5 different airlines.

  • How long is the flight from Portland to Glasgow Intl Airport?

    There are many flights that can get you from Portland to Glasgow Intl Airport in 14h 05m. Fly via Icelandair or British Airways to get the fastest option. The distance from Portland to Glasgow Intl Airport is about 4560 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Portland to Glasgow Intl Airport round-trip?

    Cheapflights users have booked flights from Portland to Glasgow Intl Airport round-trip from $551. Other airlines that can offer you cheap pricing are American Airlines, from $583, and British Airways, from $622. Icelandair is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Portland to Glasgow Intl that include hotel bookings?

    Yes. In addition to deals on Portland to Glasgow Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Glasgow Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Glasgow Intl.

  • Can I find deals for business class flights from Portland to Glasgow Intl?

    Yes. Cheapflights offers flight deals from Portland to Glasgow Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Glasgow Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Portland to Glasgow Intl Airport (average of $664). Flying from Portland to Glasgow Intl Airport in June is currently the most expensive (average of $1,150). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.
Eugene to Glasgow Intl flights
Medford to Glasgow Intl flights

Top 5 airlines flying from Portland to Glasgow Intl

Discover the top 5 airlines that operate flights from Portland to Glasgow Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$551Average$777FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$583Average$671FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$622Average$804FlexibilityNo cancel feeOn-time70%
DeltaCheapest$681Average$991FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$683Average$843FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.