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Cheap flights from Glasgow Intl Airport to Philadelphia from £524

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — PHL
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Glasgow Intl to Philadelphia are usually found in January or September, booked 24 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Glasgow Intl to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to Philadelphia (PHL). 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 29 April 2025.

Round-trip from

£524

Popular in

August

Cheapest in

January

Average price

£547
British Airways
  • British Airways
  • 16/6-30/6
  • 2 total stops
  • 23h 35m total
  • Glasgow to Philadelphia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Glasgow Intl to Philadelphia

Cheapest flights from Glasgow Intl to Philadelphia
Explore the most affordable flight options available from Glasgow Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Mon 16/608:25GLA - PHL
1 stop13h 00mBritish Airways
Mon 30/618:30PHL - GLA
1 stop10h 35mBritish Airways
Deal found 28/4£524
Mon 5/515:25GLA - PHL
1 stop28h 50mAmerican Airlines
Mon 19/520:50PHL - GLA
1 stop12h 50mAmerican Airlines
Deal found 28/4£527
Tue 20/506:00GLA - PHL
2 stops20h 31mDelta
Tue 3/610:45PHL - GLA
2 stops21h 15mDelta
Deal found 28/4£538
Tue 20/507:00GLA - PHL
1 stop13h 15mMultiple Airlines
Tue 3/616:05PHL - GLA
2 stops15h 05mMultiple Airlines
Deal found 28/4£549

Cheapflights Fare Finder

Customise your flight search to find flights from Glasgow Intl to Philadelphia 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 29 April 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Philadelphia that are best for you.

Fly from

Glasgow Intl

Fly to

Philadelphia

Route

Depart

Return

Price

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Mon 16/6

08:25-16:25

1 stop13h 00m

Philadelphia

Mon 30/6

18:30-10:05

1 stop10h 35m

£524

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Tue 20/5

06:00-21:31

2 stops20h 31m

Philadelphia

Tue 3/6

10:45-13:00

2 stops21h 15m

£538

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Tue 20/5

07:00-15:15

1 stop13h 15m

Philadelphia

Tue 3/6

16:05-12:10

2 stops15h 05m

£549

GlasgowPhiladelphia

GLA - PHL

GLAPHL

Glasgow Intl

Tue 26/8

05:50-16:40

2 stops15h 50m

£597

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Best time to book a flight from Glasgow Intl to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Glasgow Intl 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 Glasgow Intl Airport to Philadelphia

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

Use this chart to determine the optimal time to book a return flight from Glasgow Intl to Philadelphia. Price data was last updated on 25 April 2025.

Booking 24 days in advance of your planned departure date is, on average, the best time to get cheap flights from Glasgow Intl Airport to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Glasgow Intl Airport to Philadelphia (average of £648). Flying from Glasgow Intl Airport to Philadelphia in July is currently the most expensive (average of £839). 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 GLA to PHL?

Find hourly flight availability from Glasgow Intl to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2025.

It’s typically best to fly out from Glasgow Intl Airport to Philadelphia at midday. Doing so could potentially save you 5% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Philadelphia by month

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

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

Temperature in Philadelphia by month

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

If weather is an important factor for your trip to Philadelphia, 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 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated 29 April 2025.
Delta
8.0
Very Good
7,929 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,929 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.6
Okay
6,835 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    Philadelphia (PHL) is the airport you will fly into if you book a flight from Glasgow Intl to Philadelphia. You should not have trouble finding flights to Philadelphia from Glasgow Intl; the airport handles an average of 0 inbound flights from Glasgow Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Philadelphia airport from Glasgow Intl. It is only a 7.0 mi journey from Philadelphia (PHL) to Philadelphia’s city center.

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

    Our cheapest airline available from Glasgow Intl Airport to Philadelphia is British Airways. Our recent data shows that you can find tickets from as low as £524 on this airline. An additional option worth looking into is Delta, starting at £538. British Airways is 11% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Glasgow Intl to Philadelphia 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 Glasgow Intl Airport to Philadelphia?

    Currently, March is the cheapest month in which you can book a flight from Glasgow Intl Airport to Philadelphia (average of £648). Flying from Glasgow Intl Airport to Philadelphia in July is currently the most expensive (average of £839). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Glasgow Intl to Philadelphia

Discover the top 2 airlines that operate flights from Glasgow Intl to Philadelphia. 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£418Average£570FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£498Average£740FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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

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

Need flexible booking options for your flight to Philadelphia from Glasgow Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Glasgow Intl to Philadelphia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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