Find flights
When to book
Airlines
FAQs

Cheap flights from Philadelphia to Glasgow Intl Airport from £179

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — GLA
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Philadelphia to Glasgow Intl are usually found in February or October, booked 55 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Philadelphia to Glasgow Intl

Enter your travel dates to find the best prices.

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 12 December 2025.

Tue 16/1213:52PHL - GLA
2 stops17h 03mBritish Airways
Fri 9/106:20GLA - PHL
2 stops36h 02mBritish Airways
Deal found 10/12£588
Tue 16/1216:53PHL - GLA
2 stops16h 42mBritish Airways
Tue 23/1215:20GLA - PHL
2 stops25h 06mBritish Airways
Deal found 10/12£703
Tue 16/1221:20PHL - GLA
1 stop29h 30mMultiple Airlines
Fri 9/120:25GLA - PHL
1 stop22h 05mMultiple Airlines
Deal found 11/12£742
Wed 17/1221:20PHL - GLA
1 stop9h 10mBritish Airways
Wed 24/1209:45GLA - PHL
1 stop11h 30mBritish Airways
Deal found 10/12£800
Tue 16/1212:37PHL - GLA
2 stops14h 53mDelta
Mon 22/1206:05GLA - PHL
2 stops22h 12mDelta
Deal found 10/12£824
Tue 16/1219:56PHL - GLA
2 stops15h 59mIberia
Tue 23/1219:10GLA - PHL
1 stop26h 05mIberia
Deal found 10/12£826
Tue 16/1219:56PHL - GLA
2 stops15h 59mIberia
Sun 21/1215:55GLA - PHL
2 stops33h 32mIberia
Deal found 10/12£871
Wed 17/1219:51PHL - GLA
1 stop14h 59mIberia
Tue 23/1209:50GLA - PHL
2 stops33h 19mIberia
Deal found 10/12£877

Find flight deals from Philadelphia to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 12 December 2025.

Round-trip from

£420

One-way from

£179

Popular in

November

Cheapest in

February

Average price

£737
18/2-23/2
  • 18/2-23/2
  • 6 total stops
  • 44h 07m total
  • Philadelphia to Glasgow
Search Deals
American Airlines
  • American Airlines
  • 17/5
  • 1 total stop
  • 13h 20m total
  • Philadelphia to Glasgow
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£122 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£41 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Philadelphia 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 858,174 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Philadelphia to Glasgow Intl Airport that are best for you.

Fly from

Philadelphia

Fly to

Glasgow Intl

Route

Depart

Return

Price

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Wed 28/1

18:35-12:50

1 stop13h 15m

Glasgow Intl

Tue 3/2

09:50-16:15

1 stop11h 25m

£439

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Tue 10/2

15:35-10:45

2 stops14h 10m

Glasgow Intl

Mon 16/2

20:25-16:15

1 stop24h 50m

£450

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Wed 28/1

18:35-12:50

1 stop13h 15m

Glasgow Intl

Mon 2/2

20:25-16:15

1 stop24h 50m

£452

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Wed 18/3

19:35-12:50

1 stop13h 15m

Glasgow Intl

Mon 23/3

14:00-17:15

1 stop31h 15m

£453

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Sun 15/3

19:35-13:15

1 stop13h 40m

Glasgow Intl

Mon 23/3

17:40-17:15

1 stop27h 35m

£453

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Tue 17/3

19:35-09:50

1 stop10h 15m

Glasgow Intl

Mon 23/3

20:25-17:15

1 stop24h 50m

£453

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Mon 16/3

19:35-10:45

1 stop11h 10m

Glasgow Intl

Mon 23/3

14:00-17:15

1 stop31h 15m

£453

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Tue 28/4

18:45-13:15

1 stop13h 30m

Glasgow Intl

Mon 4/5

17:30-16:40

1 stop28h 10m

£464

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Sun 22/3

12:50-08:30

2 stops15h 40m

Glasgow Intl

Mon 30/3

09:10-23:00

2 stops42h 50m

£473

PhiladelphiaGlasgow

PHL - GLA

PHLGLA

Philadelphia

Sat 21/3

15:12-08:30

2 stops37h 18m

Glasgow Intl

Mon 30/3

09:10-23:00

2 stops42h 50m

£473

Flights are sorted by cheapest return flights first.

Deals found on 9/12

Showing 1-10 of 19 results
1
2

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?

Use this chart to determine the optimal time to book a return flight from Philadelphia to Glasgow Intl. Price data was last updated on 5 December 2025.

The best time to book flights from Philadelphia to Glasgow Intl Airport is 55 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, October is the cheapest month in which you can book a flight from Philadelphia to Glasgow Intl Airport (average of £134). Flying from Philadelphia to Glasgow Intl Airport in June is currently the most expensive (average of £446). 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.

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 12 December 2025.
Read through reviews of airlines operating flights from Philadelphia to Glasgow Intl Airport, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,571 reviews
Check prices

Food

6.4

Comfort

6.7

Crew

7.6

Entertainment

6.4

Boarding

6.9

Overall

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,571 reviews
British Airways
6.7
Okay
7,571 reviews
Check prices

Food

6.4

Comfort

6.7

Crew

7.6

Entertainment

6.4

Boarding

6.9

Overall

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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?

    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.

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

    Airlines like British Airways fly from Philadelphia to Glasgow Intl Airport in about 13h 15m. The time it takes to get you to your destination can typically vary by up to . Philadelphia and Glasgow Intl Airport are separated by a distance of 3297 mi.

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

    Our cheapest airline available from Philadelphia to Glasgow Intl Airport is British Airways. Our recent data shows that you can find tickets from as low as £477 on this airline. This flight start at 30% 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, October is the cheapest month in which you can book a flight from Philadelphia to Glasgow Intl Airport (average of £134). Flying from Philadelphia to Glasgow Intl Airport in June is currently the most expensive (average of £446). 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

Travelling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley
Dunoon
Largs
Renfrew
Kilmarnock
Dumbarton
Arrochar
Clydebank
East Kilbride
Inveraray
Rothesay
Ballachulish
Alexandria
Tarbert
Balloch

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.
Newark to Glasgow Intl flights
John F Kennedy Intl to Glasgow Intl flights
Dulles Intl to Glasgow Intl flights
LaGuardia to Glasgow Intl flights
Pittsburgh to Glasgow Intl flights

Top airline flying from Philadelphia to Glasgow Intl

Discover the top airline that operate flights from Philadelphia 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 858,174 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£477Average£496FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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?

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.

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.