SOF - SEA

$460 Find Cheap Flights from Sofia to Seattle - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$841
Typical prices: $937-$1,079
Multiple Airlines
Tue 12/4Thu 12/6
SOF - SEA • 2 stops
Cheapest one-way
$460
Typical prices: $518-$835
Multiple Airlines
Wed 12/5
SOF - SEA • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Sofia and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
March
Cheapest • 12% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Paris Charles de Gaulle (CDG)
Cheapest • Avg $987 (round-trip)
Munich Franz Josef Strauss (MUC)
Shortest trip • 14h 16m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Sofia to Seattle (SOF-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sofia to Seattle

Fri, Dec 4 - Sun, Dec 6
Multiple Airlines Logo
6:25 am - 5:00 pmSOF  Sofia-SEA Seattle/Tacoma Intl
20h 35m2 stops Frankfurt am Main Reykjavik Keflavik Intl
Multiple Airlines Logo
2:35 pm - 11:00 pmSEA  Seattle/Tacoma Intl-SOF Sofia
22h 25m2 stops Reykjavik Keflavik Intl Frankfurt am Main
$841Multiple Airlines
Fri, Dec 4 - Sun, Dec 6
Multiple Airlines Logo
6:00 am - 5:00 pmSOF  Sofia-SEA Seattle/Tacoma Intl
21h 00m3 stops Munich Franz Josef Strauss Frankfurt am Main Reykjavik Keflavik Intl
Multiple Airlines Logo
2:35 pm - 11:00 pmSEA  Seattle/Tacoma Intl-SOF Sofia
22h 25m2 stops Reykjavik Keflavik Intl Frankfurt am Main
$844Multiple Airlines
Fri, Dec 4 - Sun, Dec 6
Multiple Airlines Logo
5:00 am - 5:00 pmSOF  Sofia-SEA Seattle/Tacoma Intl
22h 00m3 stops Belgrade Nikola Tesla Frankfurt am Main Reykjavik Keflavik Intl
Multiple Airlines Logo
2:35 pm - 10:50 amSEA  Seattle/Tacoma Intl-SOF Sofia
34h 15m3 stops Reykjavik Keflavik Intl Frankfurt am Main Istanbul Sabiha Gokcen
$846Multiple Airlines
Tue, Dec 8 - Wed, Mar 17
Multiple Airlines Logo
8:20 pm - 1:00 pmSOF  Sofia-SEA Seattle/Tacoma Intl
26h 40m2 stops London Stansted Munich Franz Josef Strauss
Multiple Airlines Logo
3:50 pm - 6:20 pmSEA  Seattle/Tacoma Intl-SOF Sofia
17h 30m1 stop Munich Franz Josef Strauss
$868Multiple Airlines
Tue, Dec 8 - Wed, Mar 10
Turkish Airlines Logo
4:00 pm - 4:18 pmSOF  Sofia-SEA Seattle/Tacoma Intl
34h 18m2 stops Istanbul Chicago O'Hare Intl
Turkish Airlines Logo
10:55 am - 8:55 pmSEA  Seattle/Tacoma Intl-SOF Sofia
24h 00m2 stops Chicago O'Hare Intl Istanbul
$893Turkish Airlines
Sat, Dec 5 - Mon, Mar 8
Turkish Airlines Logo
9:45 pm - 10:43 pmSOF  Sofia-SEA Seattle/Tacoma Intl
34h 58m2 stops Istanbul Chicago O'Hare Intl
Turkish Airlines Logo
10:55 am - 3:10 pmSEA  Seattle/Tacoma Intl-SOF Sofia
42h 15m2 stops Chicago O'Hare Intl Istanbul
$913Turkish Airlines
Wed, Nov 25 - Wed, May 12
Turkish Airlines Logo
9:30 am - 4:19 pmSOF  Sofia-SEA Seattle/Tacoma Intl
40h 49m2 stops Istanbul Chicago O'Hare Intl
Turkish Airlines Logo
11:00 am - 3:05 pmSEA  Seattle/Tacoma Intl-SOF Sofia
42h 05m2 stops Chicago O'Hare Intl Istanbul
$924Turkish Airlines
Thu, Nov 19 - Wed, Dec 2
Turkish Airlines Logo
9:45 pm - 5:10 pmSOF  Sofia-SEA Seattle/Tacoma Intl
29h 25m1 stop Istanbul
Turkish Airlines Logo
10:48 am - 8:55 pmSEA  Seattle/Tacoma Intl-SOF Sofia
24h 07m2 stops Chicago O'Hare Intl Istanbul
$927Turkish Airlines
Sun, Nov 15 - Sat, Nov 28
Lufthansa Logo
6:00 am - 12:00 pmSOF  Sofia-SEA Seattle/Tacoma Intl
16h 00m2 stops Munich Franz Josef Strauss Frankfurt am Main
Lufthansa Logo
1:50 pm - 6:20 pmSEA  Seattle/Tacoma Intl-SOF Sofia
18h 30m2 stops Frankfurt am Main Munich Franz Josef Strauss
$1,103Lufthansa
Sat, Dec 12 - Sat, Mar 20
Lufthansa Logo
6:25 am - 12:00 pmSOF  Sofia-SEA Seattle/Tacoma Intl
15h 35m1 stop Frankfurt am Main
Lufthansa Logo
2:50 pm - 6:10 pmSEA  Seattle/Tacoma Intl-SOF Sofia
18h 20m1 stop Frankfurt am Main
$1,178Lufthansa
Booking Insights

Price, demand and travel trends for Sofia to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Sofia to Seattle?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Sofia to Seattle. It’s 4% cheaper than the average day, while Wednesday is the most expensive, with prices 15% higher.

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Key details for Sofia to Seattle flights

Low season

August

Cheapest flight

$460
Beat the crowds with an average 57% drop in travelers.
The most popular month to fly with an average 97% increase in travelers.
One-way flight from Sofia to Seattle

When to book flights from Sofia to Seattle

Are your dates flexible? Find out the best times to travel from Sofia to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Sofia to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Sofia to Seattle?

    Two cabin classes are available on flights from Sofia to Seattle:

    • Economy Class
    • Business Class

  • How long is a flight from Sofia to Seattle?

    A nonstop flight from Sofia to Seattle takes 00m, covering 5,862 miles.

  • Do I need a passport to fly from Sofia to Seattle?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Sofia to Seattle flight?

    Round-trip flights from Sofia to Seattle range from $937 to $1,079, with an average of $979 over the past 12 months. Anything below $937 counts as a good deal.

  • Have flight prices from Sofia to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $841 to $1,705. That means the highest observed fare was about 2x higher than the lowest one.

  • How are flight prices from Sofia to Seattle looking right now?

    One-way fares from Sofia to Seattle are currently lower than usual. Average one-way flight prices are about $574, which is 21% below the typical average for this route.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates averaging $61 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

  • Which airports can I use when flying from Sofia to Seattle?

    Flights from Sofia to Seattle usually depart from Sofia (SOF) and arrive at Seattle/Tacoma Intl (SEA).

  • Which airports do connecting flights from Sofia to Seattle pass through?

    One-stop flights from Sofia to Seattle most commonly connect through:

    • Istanbul (IST) - 66% of one-stop connections
    • Munich Franz Josef Strauss (MUC) - 15% of one-stop connections
    • Amsterdam Schiphol (AMS) - 6% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Sofia to Seattle?

    Yes. Flexible dates can save you up to 17% on flights from Sofia to Seattle. Sunday is the cheapest departure day at $941 round-trip on average, while Wednesday is the most expensive at $1,126, a difference of $185.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Sofia to Seattle?

    Flying via Munich Franz Josef Strauss (MUC) gives the shortest average 1-stop total travel time at 14h 16m, compared with 14h 28m via Amsterdam Schiphol (AMS) and 15h 19m via Paris Charles de Gaulle (CDG).

  • What is the time difference between Sofia and Seattle?

    Seattle is 9 hours behind Sofia (Pacific Time vs Eastern European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

Your guide to booking Sofia to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Wednesday. On this route, Sunday flights average $941, about $185 less than Wednesday fares (16% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Sofia to Seattle trip for March. Fares historically average $863 round-trip in that month - typically $263 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from Sofia to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Car rentals in Seattle
Hotels in Seattle
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