Sofia (SOF) → Seattle (SEA)
About Sofia to Seattle Flights
Discover the best flights from Sofia to Seattle, covering 9,440 km in approximately 12h 18m. Sofia (SOF) to Seattle (SEA) is one of the major long-haul routes connecting Bulgaria 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 Sofia to Seattle.
12-Month Price History
Flight prices from Sofia to Seattle vary significantly throughout the year. February typically offers the best deals with average prices around $1713, while August sees the highest prices, averaging $2766. Savvy travelers can save up to 38% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
August
Peak season pricing
Book in Advance
167 days
For best prices
Booking Tips
For the best prices on Sofia to Seattle flights, we recommend booking 113 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 | $2640 | $9670 | $13150 |
Delta Air Lines DL | $2690 | $10910 | $13910 |
Alaska Airlines AS | $2790 | $9820 | $15380 |
Air France AF | $2900 | $10390 | $14150 |
Bulgaria Air FB | $3040 | $11270 | $17700 |
American Airlines AA | $3130 | $9160 | $13420 |
British Airways BA | $3180 | $10120 | $15520 |
United Airlines
UA
Economy
$2640
Business
$9670
First
$13150
Delta Air Lines
DL
Economy
$2690
Business
$10910
First
$13910
Alaska Airlines
AS
Economy
$2790
Business
$9820
First
$15380
Air France
AF
Economy
$2900
Business
$10390
First
$14150
Bulgaria Air
FB
Economy
$3040
Business
$11270
First
$17700
American Airlines
AA
Economy
$3130
Business
$9160
First
$13420
British Airways
BA
Economy
$3180
Business
$10120
First
$15520
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Skopje → Seattle
Skopje International (SKP) to Seattle-Tacoma International (SEA)
Distance: 9,458 km
Average price: $1974
Pristina → Seattle
Pristina International (PRN) to Seattle-Tacoma International (SEA)
Distance: 9,377 km
Average price: $1959
Skopje → Seattle
Skopje (SKP) to Seattle-Tacoma International (SEA)
Distance: 9,458 km
Average price: $1974
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Frequently Asked Questions
How long is the flight from Sofia to Seattle?
The flight time from Sofia (SOF) to Seattle (SEA) is approximately 12 hours and 18 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Sofia and Seattle?
The aerial distance between Sofia and Seattle is 9,440 kilometers (5,866 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Sofia to Seattle?
Several airlines operate flights between Sofia and Seattle, including Delta Air Lines, Alaska Airlines, Bulgaria Air and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Sofia to Seattle?
Based on historical data, February typically offers the lowest airfares for flights from Sofia 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 Sofia to Seattle flights, we recommend booking 101 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Sofia to Seattle?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of Bulgaria 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 Sofia and Seattle?
Sofia operates on Europe/Sofia 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.