Question 1

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

Accepted Answer

Our cheapest airline available from Glasgow Intl Airport to Seattle is Air France. Our recent data shows that you can find tickets from as low as £559 on this airline. Additional options worth looking into are Delta and American Airlines, starting at £564 and £569 round-trip. Users have found that Air France is 9% cheaper than the other options available to this destination.

Question 2

What are the cheapest airlines to fly from Glasgow Intl Airport to Seattle one-way?

Accepted Answer

£765 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on British Airways and Iberia, with prices starting from £882 and £1,300, respectively.

Question 3

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

Accepted Answer

To ensure you get the cheapest price possible for a flight from Glasgow Intl Airport to Seattle, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 4

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Seattle (average of £622). Flying from Glasgow Intl Airport to Seattle in July is currently the most expensive (average of £946). 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.

Question 5

What is the cheapest day to fly from Glasgow Intl Airport to Seattle?

Accepted Answer

Travellers seeking maximum savings on their Glasgow Intl Airport to Seattle flight should consider departing on Tuesday at midday when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Question 8

What are the most popular airlines that fly from Glasgow Intl Airport to Seattle?

Accepted Answer

Air France, British Airways and Aer Lingus are the most popular airlines when flying from Glasgow Intl Airport to Seattle.

Question 9

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

Accepted Answer

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Seattle. Check prices with Cheapflights to find a great deal for your trip.

Question 10

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

Accepted Answer

Find a great deal and save up to 40% by booking at least 44 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 Glasgow Intl Airport to Seattle within the next two weeks, with the cheapest ticket starting at £612.

Question 11

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

Accepted Answer

Flights from Glasgow Intl Airport to Seattle lean towards being more expensive in August. Prices are generally better when you fly from Glasgow Intl Airport to Seattle in February, with the cheapest ticket starting at £430.

Question 12

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

Accepted Answer

One of the essential ways to save on airfare from Glasgow Intl Airport to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 9% on airfare.

Question 13

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

Accepted Answer

Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Glasgow Intl. Booking flights from Glasgow Intl to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 0 daily inbound flights from Glasgow Intl from 6 different airlines.

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Glasgow Intl to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 18

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

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Glasgow Intl to Seattle 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.

Question 19

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

Accepted Answer

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

Question 20

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

Accepted Answer

Yes, Cheapflights offers price alerts on Glasgow Intl to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	£559
Popular in	August
Cheapest in	February
Average price	£607

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£435	Average£619	FlexibilityNo cancel fee	On-time75%	Search KLM flights
British Airways	Cheapest£437	Average£657	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air France	Cheapest£448	Average£513	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Lufthansa	Cheapest£456	Average£584	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Icelandair	Cheapest£474	Average£607	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Aer Lingus	Cheapest£653	Average£841	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Cheap flights from Glasgow Intl Airport to Seattle from £559

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Glasgow Intl to Seattle/Tacoma Intl are usually found in February or September, booked 62 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Glasgow Intl to Seattle

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Find flight deals from Glasgow Intl to Seattle

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

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Best time to book a flight from Glasgow Intl to Seattle

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

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

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

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

Rainfall in Seattle by month

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

Temperature in Seattle by month

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

Reviews of airlines servicing Seattle

Related info for your journey

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

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

What are the cheapest airlines to fly from Glasgow Intl Airport to Seattle one-way?

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

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

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

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

Travelling to a place near Glasgow Intl Airport?

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Alternative routes for Glasgow Intl to Seattle

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Top 6 airlines flying from Glasgow Intl to Seattle

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

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

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

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

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