What is the cheapest airline that flies from Sofia to Seattle/Tacoma Intl?

Turkish Airlines, Lufthansa, and United Airlines are the most popular carriers operating from Sofia to Seattle/Tacoma Intl

What airlines fly to Seattle?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Seattle from Sofia according to our data. Lufthansa is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Sofia Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Sofia Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Sofia Airport to Seattle/Tacoma Intl Airport?

The number of operators available for flights from Sofia Airport to Seattle/Tacoma Intl Airport is 3 as of July 2025.

How old do you have to be to fly from Sofia Airport to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sofia Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$445 Cheap Flights from Sofia to Seattle in 2025

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Find the cheapest flights from Sofia to Seattle

Round-trip

One-way

Cheap round-trip flights

6:15 am - 12:10 pmSOF-SEA

15h 55m1 stop

2:20 pm - 1:05 pmSEA-SOF

12h 45m1 stop

$862Lufthansa

Find Deal

Fri, Nov 7 - Fri, Apr 10

6:15 am - 9:31 amSOF-SEA

37h 16m2 stops

2:20 pm - 1:05 pmSEA-SOF

12h 45m1 stop

$871

Find Deal

Fri, Nov 7 - Fri, Apr 10

6:15 am - 11:55 amSOF-SEA

15h 40m1 stop

6:50 pm - 11:00 pmSEA-SOF

18h 10m1 stop

$873Lufthansa

Find Deal

Sat, Sep 6 - Sun, Sep 21

2:35 pm - 9:56 pmSOF-SEA

41h 21m2 stops

11:50 pm - 1:05 pmSEA-SOF

27h 15m2 stops

$874United Airlines

Find Deal

Fri, Nov 7 - Fri, Apr 10

6:15 am - 11:55 amSOF-SEA

15h 40m1 stop

6:50 pm - 11:00 pmSEA-SOF

18h 10m1 stop

$878United Airlines

Find Deal

Thu, Jul 24 - Fri, Aug 8

9:15 pm - 5:15 pmSOF-SEA

30h 00m1 stop

7:10 pm - 8:35 amSEA-SOF

27h 25m1 stop

$1,062Turkish Airlines

Find Deal

Sat, Aug 9 - Sat, Aug 16

4:00 pm - 5:05 pmSOF-SEA

35h 05m1 stop

7:00 pm - 9:15 amSEA-SOF

28h 15m1 stop

$2,695Turkish Airlines

Find Deal

Sat, Nov 15 - Sat, Nov 22

6:05 am - 9:56 pmSOF-SEA

25h 51m2 stops

8:15 am - 6:05 pmSEA-SOF

23h 50m2 stops

$3,021Air Canada

Find Deal

Fri, Nov 14 - Thu, Nov 20

6:05 am - 9:56 pmSOF-SEA

25h 51m2 stops

10:05 am - 6:20 pmSEA-SOF

22h 15m2 stops

$3,343Air Canada

Find Deal

Fri, Nov 14 - Tue, Nov 18

12:05 pm - 11:44 amSOF-SEA

57h 39m2 stops

10:46 pm - 1:00 pmSEA-SOF

52h 14m2 stops

$3,351American Airlines

Find Deal

Sat, Nov 15 - Thu, Nov 20

Lufthansa flights from Sofia to Seattle

Our best Lufthansa deals on Sofia to Seattle flight tickets

Lufthansa

Nov 7

SOF6:15 amSofia

15h 55m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

Apr 10

SEA2:20 pmSeattle/Tacoma Intl

12h 45m

1 stop

SOF1:05 pmSofia

$862

Find similar

Lufthansa

Sep 6

SOF6:15 amSofia

15h 40m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 21

SEA6:50 pmSeattle/Tacoma Intl

18h 10m

1 stop

SOF11:00 pmSofia

$873

Find similar

Lufthansa

Nov 14

SOF6:05 amSofia

17h 15m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

Nov 23

SEA7:00 amSeattle/Tacoma Intl

29h 45m

2 stops

SOF10:45 pmSofia

$2,986

Find similar

United Airlines flights from Sofia to Seattle

Our best United Airlines deals on Sofia to Seattle flight tickets

United Airlines

Nov 7

SOF2:35 pmSofia

41h 21m

2 stops

SEA9:56 pmSeattle/Tacoma Intl

Apr 10

SEA11:50 pmSeattle/Tacoma Intl

27h 15m

2 stops

SOF1:05 pmSofia

$874

Find similar

United Airlines

Jul 24

SOF6:15 amSofia

15h 40m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Aug 8

SEA6:50 pmSeattle/Tacoma Intl

18h 10m

1 stop

SOF11:00 pmSofia

$878

Find similar

United Airlines

Jul 24

SOF6:15 amSofia

15h 40m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Aug 8

SEA9:50 amSeattle/Tacoma Intl

27h 10m

2 stops

SOF11:00 pmSofia

$883

Find similar

How to get the cheapest flight ticket from Sofia 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

Prices

Airlines

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Sofia to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $802. If you don’t want to visit Seattle in February, then you should wait until June to fly from Sofia, when ticket prices are also cheap, with an average price of $834.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Sofia is on a Sunday. momondo users have found tickets for Sunday departures for as low as $878. 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 Sofia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,068.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Sofia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $854 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $929. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How have Sofia to Seattle flight prices changed over time?

When to book flights from Sofia to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Sofia to Seattle (SOF to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to Seattle

Best Price Found	$445
Fastest flight time	14h 00m
Direct flights	None
Airports in Seattle	1 airport

The best one-way flight to Seattle from Sofia in the past 72 hours is $445. The best round-trip flight deal from Sofia to Seattle found on momondo in the last 72 hours is $862.

The fastest flight from Sofia to Seattle takes 14h 00m

There are no direct flights from Sofia to Seattle. Popular non-direct route for this connection is Sofia Airport - Seattle/Tacoma Intl Airport.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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How far is Sofia to Seattle/Tacoma Intl by plane?
Sofia and Seattle/Tacoma Intl are 5850.6 mi apart from one another. Typically, this will take 14h 00m by plane in normal conditions.
When did momondo last update prices for flights from Sofia Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Sofia Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Sofia Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Sofia Airport to Seattle/Tacoma Intl Airport is 3 as of July 2025.
How old do you have to be to fly from Sofia Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sofia Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Sofia to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sofia to Seattle is Lufthansa (49% of total bookings). The next most popular airlines are Turkish Airlines (44%) and United Airlines (7%).

Best airlines flying from Sofia to Seattle

Compare and see reviews for airlines that fly from Sofia to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $791	Free Cancellation	Rating 6.8 7,208 reviews	Search Lufthansa flights
United Airlines	PriceFrom $795	Free Cancellation	Rating 7.4 8,858 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $824	Free Cancellation	Rating 7.3 3,901 reviews	Search Turkish Airlines flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Olympia

Renton

Kent

Federal Way

Lynnwood

Puyallup

Marysville

Tukwila

Kirkland

Shoreline

Lakewood

Fife

Cle Elum

Centralia

Westport

Redmond

Why use momondo?

Why should I use momondo to find a flight deal from Sofia to Seattle?

Finding the right flight to Seattle from Sofia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Sofia to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Sofia with this policy.

How can momondo help me find flights from Sofia to Seattle?

Once all potential Sofia to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Sofia to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Sofia to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.