Question 1

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

Accepted Answer

Cheapflights users have booked flights from Portland to Glasgow Intl Airport round-trip from £382. Other airlines that can offer you cheap pricing are British Airways, from £473, and Lufthansa, from £496. Icelandair is currently priced 38% below the average price you’ll pay for this route.

Question 2

What are the cheapest airlines to fly from Portland to Glasgow Intl Airport one-way?

Accepted Answer

The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £174. However, be on the lookout for offers from British Airways and Delta, as they are both options that can get you from Portland to Glasgow Intl Airport for a low price.

Question 3

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

Accepted Answer

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.

Question 4

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

Accepted Answer

Currently, April is the cheapest month in which you can book a flight from Portland to Glasgow Intl Airport (average of £97). Flying from Portland to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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.

Question 5

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

Accepted Answer

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

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in Glasgow Intl Airport ranges from 33.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. May is typically the driest time to visit Glasgow Intl Airport when rainfall is around 33.0 mm.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to Glasgow Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 8

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

Accepted Answer

Find a great deal and save up to 56% by booking at least 45 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Portland to Glasgow Intl Airport within the next two weeks, with the cheapest ticket starting at £411.

Question 9

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

Accepted Answer

November is one of the best times of the year to fly to Glasgow Intl Airport from Portland. Prices for November average £624 per person but you can even find prices for as low as £377. The most expensive prices can be found in the month of July. Opting for a November flight can save you 50% on your journey compared to booking in July

Question 10

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

Accepted Answer

Unlike at midday, when flights are generally more expensive, you can save up to 5% on flights from Portland to Glasgow Intl Airport by exploring options for tickets in the morning.

Question 11

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

Accepted Answer

Portland (PDX) is the airport you will fly out of if you book a flight from Portland to Glasgow Intl. You should not have trouble finding flights to Glasgow Intl from Portland; the airport handles an average of 0 outbound flights to Glasgow Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Portland airport to Glasgow Intl. It is only a 6.0 mi journey to Portland (PDX) from Portland’s city center.

Question 12

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

Accepted Answer

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

Question 13

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

Accepted Answer

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.

Question 14

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

Accepted Answer

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.

Question 15

How does Cheapflights help users find flights from Portland to Glasgow Intl?

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland to Glasgow Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 16

Why should you use Cheapflights to find cheap flight tickets from Portland to Glasgow Intl?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portland to Glasgow Intl for you. Better yet — we are completely free to use.

Question 17

Can Cheapflights find flights from Portland to Glasgow Intl with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from Portland to Glasgow Intl with no change fees.

Question 18

Can Cheapflights notify me if prices for flights from Portland to Glasgow Intl become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Glasgow Intl from Portland today and book when prices fit your budget.

Round-trip from	£382
One-way from	£174
Popular in	July
Cheapest in	November
Average price	£937

Cheap flights from Portland to Glasgow Intl Airport from £174

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.

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 Monday or Tuesday and return on a Tuesday

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Find flight deals from Portland to Glasgow Intl

Cheapest flights from Portland to Glasgow IntlExplore 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 4 July 2025.

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 4 July 2025.

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Best time to book a flight from Portland to Glasgow Intl

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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 return flight from Portland to Glasgow Intl. Price data was last updated on 27 June 2025.

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

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 4 July 2025.

How much does it cost for a return flight from Portland to Glasgow Intl Airport?

Reviews of airlines servicing Glasgow Intl

Read through reviews of airlines operating flights from Portland to Glasgow Intl Airport, such as Delta, KLM, andIcelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

What are the cheapest airlines to fly from Portland to Glasgow Intl Airport one-way?

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

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

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

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

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How does Cheapflights help users find flights from Portland to Glasgow Intl?

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Can Cheapflights find flights from Portland to Glasgow Intl with no change fees?

Can Cheapflights notify me if prices for flights from Portland to Glasgow Intl become cheaper?

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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 4 July 2025.