Glasgow (GLA) → Seattle (SEA)
About Glasgow to Seattle Flights
Discover the best flights from Glasgow to Seattle, covering 7,159 km in approximately 9h 27m. Glasgow (GLA) to Seattle (SEA) is one of the major long-haul routes connecting United Kingdom and United States. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Glasgow to Seattle.
12-Month Price History
Flight prices from Glasgow to Seattle vary significantly throughout the year. February typically offers the best deals with average prices around $1328, while July sees the highest prices, averaging $2273. Savvy travelers can save up to 42% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
80 days
For best prices
Booking Tips
For the best prices on Glasgow to Seattle flights, we recommend booking 149 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
United Airlines UA | $2190 | $7200 | $14270 |
Alaska Airlines AS | $2340 | $7490 | $12410 |
Delta Air Lines DL | $2380 | $9570 | $14400 |
Air France AF | $2420 | $9530 | $13530 |
Lufthansa LH | $2440 | $9540 | $17200 |
American Airlines AA | $2670 | $9940 | $13910 |
British Airways BA | $2720 | $8780 | $15060 |
United Airlines
UA
Economy
$2190
Business
$7200
First
$14270
Alaska Airlines
AS
Economy
$2340
Business
$7490
First
$12410
Delta Air Lines
DL
Economy
$2380
Business
$9570
First
$14400
Air France
AF
Economy
$2420
Business
$9530
First
$13530
Lufthansa
LH
Economy
$2440
Business
$9540
First
$17200
American Airlines
AA
Economy
$2670
Business
$9940
First
$13910
British Airways
BA
Economy
$2720
Business
$8780
First
$15060
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Edinburgh → Seattle
Edinburgh (EDI) to Seattle-Tacoma International (SEA)
Distance: 7,196 km
Average price: $1533
Edinburgh → Seattle
Edinburgh (EDI) to Seattle-Tacoma International (SEA)
Distance: 7,196 km
Average price: $1533
Newcastle → Seattle
Newcastle International (NCL) to Seattle-Tacoma International (SEA)
Distance: 7,341 km
Average price: $1561
Belfast → Seattle
Belfast International (BFS) to Seattle-Tacoma International (SEA)
Distance: 7,184 km
Average price: $1531
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Frequently Asked Questions
How long is the flight from Glasgow to Seattle?
The flight time from Glasgow (GLA) to Seattle (SEA) is approximately 9 hours and 27 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Glasgow and Seattle?
The aerial distance between Glasgow and Seattle is 7,159 kilometers (4,448 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Glasgow to Seattle?
Several airlines operate flights between Glasgow and Seattle, including Delta Air Lines, Alaska Airlines, American Airlines and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Glasgow to Seattle?
Based on historical data, February typically offers the lowest airfares for flights from Glasgow to Seattle. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Seattle?
For the best prices on Glasgow to Seattle flights, we recommend booking 128 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Glasgow to Seattle?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United Kingdom traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Glasgow and Seattle?
Glasgow operates on Europe/London time zone, while Seattle is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.