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

Our cheapest airline available from Philadelphia to Glasgow Intl Airport is American Airlines. Our recent data shows that you can find tickets from as low as £501 on this airline. Additional options worth looking into are British Airways and Delta, starting at £503 and £562 round-trip. These flights start at 21% lower than the current average price 3 months from now.

What is the cheapest day to fly round-trip from Philadelphia to Glasgow Intl Airport?

Departing on a Wednesday is a good option for securing a great price. You can expect to save up to 64% when planning your travel around this day of the week.

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

Find a great deal and save up to 60% by booking at least 21 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 Philadelphia to Glasgow Intl Airport within the next two weeks, with the cheapest ticket starting at £511.

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

Flights from Philadelphia to Glasgow Intl Airport lean towards being more expensive in June. Prices are generally better when you fly from Philadelphia to Glasgow Intl Airport in October, with the cheapest ticket starting at £478.

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

It’s typically best to fly out from Philadelphia to Glasgow Intl Airport at midday. Doing so could potentially save you 21% on the flight price compared to flying in the morning, which is usually more expensive.

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

If you book a flight to Glasgow Intl from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 0 flights from Philadelphia to Glasgow Intl per day from 1 airline.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Philadelphia 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.

£242+ Flights from Philadelphia to Glasgow Intl Airport

Cheapflights Tip: The best prices from Philadelphia to Glasgow Intl are usually found in October or February, booked 20 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Philadelphia to Glasgow Intl

Round-trip from	£501
One-way from	£242
Popular in	June
Cheapest in	October
Average price	£860

American Airlines
7/9-26/9
2 total stops
25h 35m total
Philadelphia to Glasgow

Search Deals

19/9
2 total stops
56h 22m total
Philadelphia to Glasgow

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£71 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Philadelphia to Glasgow Intl

Cheapest flights from Philadelphia to Glasgow Intl
Explore the most affordable flight options available from Philadelphia to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Sun 7/918:30PHL - GLA

1 stop13h 45mAmerican Airlines

Fri 26/905:50GLA - PHL

1 stop14h 35mAmerican Airlines

Deal found 13/6£501

Mon 1/919:50PHL - GLA

1 stop13h 50mBritish Airways

Mon 8/920:50GLA - PHL

1 stop21h 10mBritish Airways

Deal found 12/6£503

Sun 7/906:00PHL - GLA

2 stops21h 10mDelta

Fri 26/906:00GLA - PHL

2 stops22h 43mDelta

Deal found 12/6£562

Mon 4/818:45PHL - GLA

2 stops19h 55mIberia

Tue 12/807:00GLA - PHL

1 stop13h 35mIberia

Deal found 11/6£576

Wed 1/1009:00PHL - GLA

3 stops23h 25mMultiple Airlines

Wed 8/1008:25GLA - PHL

3 stops41h 46mMultiple Airlines

Deal found 11/6£587

Mon 21/717:35PHL - GLA

1 stop13h 45mLufthansa

Thu 31/706:10GLA - PHL

1 stop14h 50mLufthansa

Deal found 12/6£619

Thu 25/919:20PHL - GLA

2 stops15h 50mKLM

Fri 3/1008:55GLA - PHL

2 stops15h 27mKLM

Deal found 11/6£694

Sat 27/920:30PHL - GLA

1 stop15h 20mAer Lingus

Fri 3/1020:10GLA - PHL

1 stop20h 35mAer Lingus

Deal found 11/6£747

Best flights from Philadelphia to Glasgow Intl
Discover carefully curated flight deals from Philadelphia to Glasgow Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2025.

Sun 7/918:30PHL - GLA

1 stop11h 00mAmerican Airlines

Fri 26/905:50GLA - PHL

1 stop14h 35mAmerican Airlines

Deal found 12/6£501

Mon 1/919:50PHL - GLA

1 stop13h 50mBritish Airways

Mon 8/920:50GLA - PHL

1 stop21h 10mBritish Airways

Deal found 12/6£503

Sun 7/906:00PHL - GLA

2 stops21h 10mDelta

Fri 26/906:00GLA - PHL

2 stops22h 43mDelta

Deal found 12/6£562

Mon 4/818:45PHL - GLA

2 stops19h 55mIberia

Tue 12/807:00GLA - PHL

1 stop13h 35mIberia

Deal found 11/6£576

Wed 1/1009:00PHL - GLA

3 stops23h 25mMultiple Airlines

Wed 8/1008:25GLA - PHL

3 stops41h 46mMultiple Airlines

Deal found 11/6£587

Mon 21/717:35PHL - GLA

1 stop13h 45mLufthansa

Thu 31/706:10GLA - PHL

1 stop14h 50mLufthansa

Deal found 12/6£619

Thu 25/919:20PHL - GLA

2 stops15h 50mKLM

Fri 3/1008:55GLA - PHL

2 stops15h 27mKLM

Deal found 11/6£694

Sat 27/920:30PHL - GLA

1 stop15h 20mAer Lingus

Fri 3/1020:10GLA - PHL

1 stop20h 35mAer Lingus

Deal found 11/6£747

Last-minute flights from Philadelphia to Glasgow Intl
Discover last-minute flight deals from Philadelphia to Glasgow Intl. Data last updated 13 June 2025 and is based on user searches.

Tue 17/619:20PHL - GLA

2 stops13h 05mIcelandair

Sat 21/614:20GLA - PHL

2 stops24h 18mIcelandair

Deal found 11/6£4,845

Tue 17/619:20PHL - GLA

2 stops13h 05mMultiple Airlines

Sat 21/608:35GLA - PHL

1 stop15h 25mMultiple Airlines

Deal found 11/6£5,444

Tue 17/618:50PHL - GLA

1 stop17h 00mAer Lingus

Sat 21/612:00GLA - PHL

1 stop12h 00mAer Lingus

Deal found 11/6£6,728

Sun 20/710:39PHL - GLA

2 stops16h 46mDelta

Tue 29/706:00GLA - PHL

2 stops20h 34mDelta

Deal found 12/6£599

Mon 21/717:35PHL - GLA

1 stop13h 45mLufthansa

Thu 31/706:10GLA - PHL

1 stop14h 50mLufthansa

Deal found 12/6£619

Thu 24/711:37PHL - GLA

2 stops15h 48mMultiple Airlines

Thu 31/706:00GLA - PHL

2 stops15h 47mMultiple Airlines

Deal found 12/6£636

Fri 25/722:25PHL - GLA

1 stop19h 55mAmerican Airlines

Fri 1/807:00GLA - PHL

1 stop11h 00mAmerican Airlines

Deal found 12/6£578

Fri 25/720:30PHL - GLA

1 stop10h 00mAer Lingus

Sun 27/712:00GLA - PHL

1 stop12h 00mAer Lingus

Deal found 12/6£856

Sat 26/721:30PHL - GLA

2 stops29h 25mBritish Airways

Thu 21/807:00GLA - PHL

1 stop11h 10mBritish Airways

Deal found 12/6£520

Thu 31/719:55PHL - GLA

1 stop18h 45mIberia

Sat 9/806:55GLA - PHL

1 stop11h 15mIberia

Deal found 11/6£623

One-way flights from Philadelphia to Glasgow Intl
Search for one-way flight options from Philadelphia to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 13 June 2025.

Fri 19/917:43PHL - GLA

2 stops56h 22mMultiple Airlines

Deal found 12/6£242

Mon 25/818:35PHL - GLA

1 stop13h 15mBritish Airways

Deal found 12/6£303

Mon 25/819:50PHL - GLA

1 stop13h 50mAmerican Airlines

Deal found 12/6£305

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Glasgow Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Sun 7/9

18:30-10:30

1 stop11h 00m

Glasgow Intl

Fri 26/9

05:50-15:25

1 stop14h 35m

£501

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Mon 1/9

19:50-14:40

1 stop13h 50m

Glasgow Intl

Mon 8/9

20:50-13:00

1 stop21h 10m

£503

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Sun 7/9

06:00-08:10

2 stops21h 10m

Glasgow Intl

Fri 26/9

06:00-23:43

2 stops22h 43m

£562

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Mon 4/8

18:45-19:40

2 stops19h 55m

Glasgow Intl

Tue 12/8

07:00-15:35

1 stop13h 35m

£576

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Wed 1/10

09:00-13:25

3 stops23h 25m

Glasgow Intl

Wed 8/10

08:25-21:11

3 stops41h 46m

£587

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Mon 21/7

17:35-12:20

1 stop13h 45m

Glasgow Intl

Thu 31/7

06:10-16:00

1 stop14h 50m

£619

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Thu 25/9

19:20-16:10

2 stops15h 50m

Glasgow Intl

Fri 3/10

08:55-19:22

2 stops15h 27m

£694

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Sat 27/9

20:30-16:50

1 stop15h 20m

Glasgow Intl

Fri 3/10

20:10-11:45

1 stop20h 35m

£747

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Fri 19/9

17:43-07:05

2 stops56h 22m

£242

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Mon 25/8

18:35-12:50

1 stop13h 15m

£303

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 11 results

Best time to book a flight from Philadelphia to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Philadelphia with our price prediction graph.

Estimated return 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 Philadelphia to Glasgow Intl Airport

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

The best time to book flights from Philadelphia to Glasgow Intl Airport is 20 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from Philadelphia to Glasgow Intl Airport (average of £97). Flying from Philadelphia 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.

Rainfall in Glasgow Intl by month

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.

Temperature in Glasgow Intl by month

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).

Reviews of airlines servicing Glasgow Intl

Delta

8.0

Very Good

7,950 reviews

Check prices

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

7,950 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

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

1,358 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

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

7,950 reviews

Check prices

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!

Aer Lingus

7.1

Good

1,118 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

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!

Iberia

7.0

Good

2,776 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

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

What airport do you fly from for flights from Philadelphia to Glasgow Intl?
If you book a flight to Glasgow Intl from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 0 flights from Philadelphia to Glasgow Intl per day from 1 airline.
What are the cheapest airlines flying from Philadelphia to Glasgow Intl Airport round-trip?
Our cheapest airline available from Philadelphia to Glasgow Intl Airport is American Airlines. Our recent data shows that you can find tickets from as low as £501 on this airline. Additional options worth looking into are British Airways and Delta, starting at £503 and £562 round-trip. These flights start at 21% lower than the current average price 3 months from now.
Can I find deals for flights from Philadelphia to Glasgow Intl that include hotel bookings?
Yes. In addition to deals on Philadelphia to Glasgow Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Philadelphia to Glasgow Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Glasgow Intl.
Can I find deals for business class flights from Philadelphia to Glasgow Intl?
Yes. Cheapflights offers flight deals from Philadelphia 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 Philadelphia to Glasgow Intl Airport?
Currently, April is the cheapest month in which you can book a flight from Philadelphia to Glasgow Intl Airport (average of £97). Flying from Philadelphia 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.

See more FAQs

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Largs

Renfrew

Kilmarnock

East Kilbride

Dumbarton

Arrochar

Inveraray

Ballachulish

Rothesay

Clydebank

Alexandria

Tarbert

Balloch

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Top airline flying from Philadelphia to Glasgow Intl

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£470	Average£506	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Glasgow Intl from Philadelphia today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Philadelphia to Glasgow Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Philadelphia to Glasgow Intl, users can toggle the no change fees filter when performing a flight search.

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

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

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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.

Cheap flights from Philadelphia to Glasgow Intl Airport from £242

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Philadelphia to Glasgow Intl are usually found in October or February, booked 20 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Philadelphia to Glasgow Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Philadelphia to Glasgow Intl

Cheapest flights from Philadelphia to Glasgow IntlExplore the most affordable flight options available from Philadelphia to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Explore the most affordable flight options available from Philadelphia to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Glasgow Intl Airport that are best for you.

Best time to book a flight from Philadelphia to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Philadelphia with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a return flight from Philadelphia to Glasgow Intl. Price data was last updated on 9 June 2025.

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

Rainfall in Glasgow Intl by month

Plan your trip to Glasgow Intl by taking into account the average rainfall totals by month.

Temperature in Glasgow Intl by month

Plan your trip to Glasgow Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Glasgow Intl

Related info for your journey

Find useful and relevant information for your journey from Philadelphia 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 Philadelphia to Glasgow Intl?

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

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

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

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

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

Travelling to a place near Philadelphia?

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 Philadelphia to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Philadelphia to Glasgow Intl

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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Cheapest flights from Philadelphia to Glasgow Intl
Explore the most affordable flight options available from Philadelphia to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.