Cheap flights from Glasgow to Seattle from $400
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Glasgow to Seattle departing on 5/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Glasgow to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
In general, February is the cheapest month to fly from Glasgow to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $717. If you don’t want to visit Seattle in February, then you should wait until September to fly from Glasgow, when ticket prices are also cheap, with an average price of $729.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Glasgow is on a Monday. momondo users have found tickets for Monday departures for as low as $641. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Glasgow because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,356.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Glasgow at noon is the least expensive time of day to depart. momondo users have found prices as low as $924 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $1,024. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Glasgow when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $848 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Glasgow for as low as $777 on momondo.
Cheap Glasgow to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Glasgow to Seattle
How far is Glasgow to Seattle/Tacoma Intl by plane?
The distance between Glasgow and Seattle/Tacoma Intl is about 4441.7 mi. 11h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from Glasgow to Seattle/Tacoma Intl Airport?
Prices for flights from Glasgow to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Glasgow to Seattle/Tacoma Intl Airport?
As of May 2025, there is 1 operator available to choose from for flights from Glasgow to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Glasgow to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Glasgow to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Glasgow to Seattle
Compare and see reviews for airlines that fly from Glasgow to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $551 | Free Cancellation | Rating 6.6 6,842 reviews | |||
| PriceFrom $763 | Free Cancellation | Rating 7.0 487 reviews |
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Why should I use momondo to find a flight deal from Glasgow to Seattle?
It is quick and easy to find Glasgow to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.
Can I find flights from Glasgow to Seattle with flexible booking policies on momondo?
All flight searches from Glasgow to Seattle on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Glasgow to Seattle?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Glasgow.
I’m not ready to book a flight from Glasgow to Seattle right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Glasgow and alert you when they change.