$403 Cheap Flights from Philadelphia (PHL) to Glasgow (GLA)

View $403 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Glasgow International Airport (GLA)

Cheap Flights from Philadelphia to Glasgow (PHL-GLA)

Prices were available within the past 7 days and start at $403 for one-way flights and $592 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Mon, Oct 20 - Thu, Nov 6
PHL
Philadelphia
GLA
Glasgow
$592 Roundtrip, found 1 day ago
$592
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Mon, Oct 20 from Philadelphia to Glasgow, returning Thu, Nov 6, priced at $592 found 1 day ago
Aer Lingus
Mon, Oct 20 - Wed, Nov 5
PHL
Philadelphia
GLA
Glasgow
$593 Roundtrip, found 23 hours ago
$593
Roundtrip
found 23 hours ago
Select Aer Lingus flight, departing Mon, Oct 20 from Philadelphia to Glasgow, returning Wed, Nov 5, priced at $593 found 23 hours ago
Aer Lingus
Mon, Oct 20 - Tue, Nov 4
PHL
Philadelphia
GLA
Glasgow
$594 Roundtrip, found 6 days ago
$594
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Mon, Oct 20 from Philadelphia to Glasgow, returning Tue, Nov 4, priced at $594 found 6 days ago
Aer Lingus
Tue, Nov 25 - Wed, Dec 3
PHL
Philadelphia
GLA
Glasgow
$598 Roundtrip, found 1 day ago
$598
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Tue, Nov 25 from Philadelphia to Glasgow, returning Wed, Dec 3, priced at $598 found 1 day ago
Aer Lingus
Tue, Dec 2 - Tue, Dec 9
PHL
Philadelphia
GLA
Glasgow
$600 Roundtrip, found 1 hour ago
$600
Roundtrip
found 1 hour ago
Select Aer Lingus flight, departing Tue, Dec 2 from Philadelphia to Glasgow, returning Tue, Dec 9, priced at $600 found 1 hour ago
American Airlines
Wed, Oct 29 - Wed, Nov 5
PHL
Philadelphia
GLA
Glasgow
$601 Roundtrip, found 1 day ago
$601
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 29 from Philadelphia to Glasgow, returning Wed, Nov 5, priced at $601 found 1 day ago
American Airlines
Wed, Mar 4 - Wed, Mar 11
PHL
Philadelphia
GLA
Glasgow
$604 Roundtrip, found 13 hours ago
$604
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, Mar 4 from Philadelphia to Glasgow, returning Wed, Mar 11, priced at $604 found 13 hours ago
British Airways
Wed, Mar 4 - Wed, Mar 11
PHL
Philadelphia
GLA
Glasgow
$606 Roundtrip, found 13 hours ago
$606
Roundtrip
found 13 hours ago
Select British Airways flight, departing Wed, Mar 4 from Philadelphia to Glasgow, returning Wed, Mar 11, priced at $606 found 13 hours ago
Iberia
Tue, Sep 1 - Tue, Sep 8
PHL
Philadelphia
GLA
Glasgow
$620 Roundtrip, found 2 days ago
$620
Roundtrip
found 2 days ago
Select Iberia flight, departing Tue, Sep 1 from Philadelphia to Glasgow, returning Tue, Sep 8, priced at $620 found 2 days ago
Delta
Sun, Dec 7 - Tue, Dec 16
PHL
Philadelphia
GLA
Glasgow
$624 Roundtrip, found 2 days ago
$624
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Dec 7 from Philadelphia to Glasgow, returning Tue, Dec 16, priced at $624 found 2 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Glasgow (GLA)

March is typically the cheapest month to fly

From $563 - $994 per traveler.

Alternative airports near Glasgow

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Glasgow Intl. GLA. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $903
GLA
Glasgow Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $903

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Glasgow Intl. Airport (GLA) cost?
Grab a cheap one-way flight from $403 or cheap return flight from $592 from Philadelphia Intl. Airport (PHL) to Glasgow Intl. Airport (GLA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Glasgow Intl. Airport (GLA)?
October is the cheapest month to fly from PHL to GLA. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Glasgow Intl. Airport (GLA)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest PHL to GLA flight.
How many flights per day from Philadelphia Intl. Airport (PHL) to Glasgow Intl. Airport (GLA)?
Direct flights from Philadelphia Intl. Airport (PHL) to Glasgow Intl. Airport (GLA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHL to GLA?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Glasgow Intl. Airport (GLA)?
To avoid potential delays on the Philadelphia Intl. Airport (PHL) to Glasgow Intl. Airport (GLA) route, fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Glasgow Intl. Airport (GLA) last-minute?
Last-minute bookings from PHL to GLA are typically more expensive. For the best prices, start searching for flights ahead of time. That being said, if you're flexible with your travel plans, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a PHL to GLA flight and hotel package?
You'll typically save money by booking a PHL to GLA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your preferred accommodations and flights, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Glasgow Intl. Airport (GLA)?
If you booked your PHL to GLA flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Glasgow Intl.
Airlines serving
Aer Lingus, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, United, Virgin Atlantic
Roundtrip price
$591
Distance
3299 mi

Book with confidence

Philadelphia to Glasgow Flights

The cheapest times to fly from Philadelphia to Glasgow

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Glasgow are during the month of October. You can find some of the cheapest flights from Philadelphia to Glasgow with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Glasgow

Sunday is one of the best days to book for cheap flights from Philadelphia to Glasgow: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Glasgow

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Glasgow in 2025. You can also book with separate airlines for your outbound and return journeys, from $403 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Glasgow flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Glasgow airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Philadelphia to Glasgow Flights

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*Available to One Key members.