What are the cheapest airlines to fly from USA to Glasgow one-way?

The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $173. However, be on the lookout for offers from Aer Lingus and British Airways, as they are both options that can get you from USA to Glasgow for a low price.

What is the cheapest month to book a flight from USA to Glasgow?

Currently, November is the cheapest month in which you can book a flight from USA to Glasgow (average of $664). Flying from USA to Glasgow in June is currently the most expensive (average of $1,154). 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.

In terms of precipitation, rainfall in Glasgow ranges from 1.3 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. May is typically the driest time to visit Glasgow when rainfall is around 1.3 in.

If weather is an important factor for your trip to Glasgow, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What are the most popular routes from USA to Glasgow?

The most popular route from USA to Glasgow is Seattle/Tacoma Intl - Glasgow Intl. You may also consider Boston Logan Intl - Glasgow Intl or New York John F Kennedy Intl - Glasgow Intl.

What are the most popular airlines that fly from USA to Glasgow?

Before booking your flight from USA to Glasgow check out the most popular airlines for this route: American Airlines, Finnair or British Airways.

How far in advance should I book a flight from USA to Glasgow?

To save on the cost of your flight from USA to Glasgow, book at least 47 days before your planned departure. Booking around this time can save you about 46% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $586 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $698.

What is the cheapest month to fly from USA to Glasgow?

October is one of the best times of the year to fly to Glasgow from USA. Prices for October average $751 per person but you can even find prices for as low as $552. The most expensive prices can be found in the month of June. Opting for a October flight can save you 22% on your journey compared to booking in June

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

When flying from USA to Glasgow, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Yes. In addition to deals on USA to Glasgow flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from USA to Glasgow?

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

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

Yes. Cheapflights offers flight deals from USA to Glasgow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$463+ Flights from the United States to Glasgow

Round-trip from	$431 (Mytrip)
One-way from	$173 (Mytrip)
Popular in	June
Cheapest in	October
Average price	$917

British Airways

Choose Club Suite for privacy with solo pods and doors.

World Traveller Plus offers extra legroom and upgraded service.

Read more about British Airwaysby Gabriel Leigh

Icelandair

Consider a stopover in Iceland for up to 7 days at no extra charge.

Saga Premium offers noise-cancelling headphones and gourmet meals.

American Airlines

Enjoy Flagship Business with 6’7” lay-flat beds and 16” HD screens on long-haul flights.

Access Flagship Lounges with premium tickets for a relaxing pre-flight experience.

Read more about American Airlinesby Marisa Garcia

Aer Lingus

Pre-clear US immigration in Dublin, saving time upon arrival.

Enjoy lie-flat seats and complimentary Wi-Fi in Business Class.

Read more about Aer Lingusby Evie Carrick

Delta

Delta One offers 180-degree flat-bed seats and premium meals on long-haul routes.

Enjoy free Wi-Fi on long-haul flights for SkyMiles members.

Lufthansa

Experience Allegris cabins with advanced comfort features on long-haul flights.

Lufthansa offers Sleeper’s Row for extra space on long-haul flights.

Read more about Lufthansaby Blane Bachelor

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest$57	Average$73	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$330	Average$695	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$356	Average$1,039	FlexibilityNo cancel fee	On-timeN/A
Aer Lingus	Cheapest$411	Average$950	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$436	Average$779	FlexibilityNo cancel fee	On-time76%
Air France	Cheapest$505	Average$1,053	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$508	Average$797	FlexibilityNo cancel fee	On-time71%
Virgin Atlantic	Cheapest$521	Average$1,074	FlexibilityNo cancel fee	On-time72%
JetBlue	Cheapest$522	Average$965	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$523	Average$977	FlexibilityNo cancel fee	On-time69%

$170+ Cheap flights from the United States to Glasgow

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from USA to Glasgow

Keep the following information in mind while searching for USA to Glasgow flight deals. Data was last updated June 30, 2025.

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Cheapest flights from USA to GlasgowExplore the most affordable flight options available from USA to Glasgow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Explore the most affordable flight options available from USA to Glasgow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

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The best insider tips for theUnited States to Glasgow flights

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Best time to book a flight from USA to Glasgow

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

Cheapflights Insights

Everything you need to know about your flight from the United States to Glasgow

What is the cheapest month to book a flight from USA to Glasgow?

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

Find hourly flight availability from USA to Glasgow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 2025.

Reviews of airlines servicing Glasgow

Get a feel of what it's like to fly with Delta, KLM, and Air Transat from the United States to Glasgow by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from USA to Glasgow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from USA to Glasgow one-way?

What are the most popular routes from USA to Glasgow?

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

How can I find direct flights from USA to Glasgow?

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

What is the cheapest month to book a flight from USA to Glasgow?

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Alternative routes for USA to Glasgow

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Cheapest flights from USA to Glasgow
Explore the most affordable flight options available from USA to Glasgow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.