Which airport is the most popular layover for flights between Sofia and Seattle?

Frankfurt am Main (FRA) was the most common stop: 58% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Sofia to Seattle?

Flights via Munich (MUC) offer the lowest average round-trip price of $857.

Which layover airport has the shortest travel time from Sofia to Seattle?

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 14h 50m.

Which layover airport has the shortest connection time from Sofia to Seattle?

Amsterdam (AMS) has the shortest average layover time for this route: 1h 25m.

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 2 as of January 2026.

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.

$396 Cheap Flights from Sofia to Seattle in 2026

Q: What is the typical price of a round-trip flight between Sofia and Seattle?

Prices are currently low for flights on this route. Typical prices usually range from $906 to $1,061. The lowest price recently found on this route was $643.

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Find the cheapest flights from Sofia to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:25 pm - 2:19 pm

SOF

SEA

51h 54m

2 stops

3:00 pm - 1:45 pm

SEA

SOF

13h 45m

1 stop

$643Multiple Airlines

Tue, Feb 17 - Tue, Mar 10

7:15 pm - 9:31 am

SOF

SEA

48h 16m

2 stops

3:00 pm - 1:45 pm

SEA

SOF

13h 45m

1 stop

$651Multiple Airlines

Sat, Feb 14 - Tue, Mar 10

8:25 pm - 2:19 pm

SOF

SEA

51h 54m

2 stops

2:00 pm - 1:35 pm

SEA

SOF

13h 35m

1 stop

$699Multiple Airlines

Tue, Feb 17 - Fri, Mar 6

7:15 pm - 9:31 am

SOF

SEA

48h 16m

2 stops

2:00 pm - 1:50 pm

SEA

SOF

13h 50m

1 stop

$703Multiple Airlines

Sat, Feb 14 - Thu, Mar 5

6:05 am - 2:19 pm

SOF

SEA

42h 14m

2 stops

3:00 pm - 1:45 pm

SEA

SOF

13h 45m

1 stop

$705Multiple Airlines

Wed, Feb 18 - Tue, Mar 10

10:40 am - 3:40 pm

SOF

SEA

15h 00m

1 stop

3:10 pm - 6:20 pm

SEA

SOF

17h 10m

1 stop

$706Multiple Airlines

Mon, Feb 16 - Wed, Mar 4

10:30 am - 3:40 pm

SOF

SEA

15h 10m

1 stop

5:50 am - 11:10 pm

SEA

SOF

31h 20m

2 stops

$709Multiple Airlines

Mon, Apr 6 - Mon, Apr 27

2:40 pm - 9:11 am

SOF

SEA

52h 31m

2 stops

6:55 pm - 11:00 pm

SEA

SOF

18h 05m

1 stop

$716Multiple Airlines

Mon, Mar 30 - Mon, Apr 20

10:40 am - 3:40 pm

SOF

SEA

15h 00m

1 stop

3:00 pm - 1:45 pm

SEA

SOF

13h 45m

1 stop

$718Multiple Airlines

Mon, Feb 16 - Tue, Mar 10

10:30 am - 3:40 pm

SOF

SEA

15h 10m

1 stop

2:10 pm - 10:40 pm

SEA

SOF

22h 30m

1 stop

$739Multiple Airlines

Mon, Apr 6 - Mon, Apr 27

KLM flights from Sofia to Seattle

Our best KLM deals on Sofia to Seattle flight tickets

KLM

Apr 16

SOF7:00 amSofia

14h 45m

1 stop

SEA11:45 amSeattle/Tacoma Intl

May 1

SEA5:30 pmSeattle/Tacoma Intl

34h 30m

1 stop

SOF2:00 pmSofia

$814

KLM

Apr 16

SOF7:00 amSofia

14h 45m

1 stop

SEA11:45 amSeattle/Tacoma Intl

May 1

SEA9:00 amSeattle/Tacoma Intl

19h 00m

2 stops

SOF2:00 pmSofia

$819

KLM

Feb 15

SOF7:00 amSofia

14h 40m

1 stop

SEA11:40 amSeattle/Tacoma Intl

Mar 8

SEA9:00 amSeattle/Tacoma Intl

20h 05m

2 stops

SOF2:05 pmSofia

$821

British Airways flights from Sofia to Seattle

Our best British Airways deals on Sofia to Seattle flight tickets

British Airways

Apr 15

SOF9:25 pmSofia

24h 10m

1 stop

SEA11:35 amSeattle/Tacoma Intl

May 2

SEA7:00 amSeattle/Tacoma Intl

27h 10m

2 stops

SOF8:10 pmSofia

$823

British Airways

Apr 15

SOF9:25 pmSofia

36h 14m

2 stops

SEA11:39 pmSeattle/Tacoma Intl

May 3

SEA11:16 amSeattle/Tacoma Intl

22h 04m

2 stops

SOF7:20 pmSofia

$829

British Airways

Mar 15

SOF2:30 pmSofia

36h 25m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

Mar 24

SEA7:50 pmSeattle/Tacoma Intl

15h 20m

1 stop

SOF8:10 pmSofia

$852

Fly from

Fly to

Route

Depart

Return

Price

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Tue 2/17

8:25 pm-2:19 pm

2 stops51h 54m

Seattle/Tacoma Intl

Tue 3/10

3:00 pm-1:45 pm

1 stop13h 45m

$643

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Sat 2/14

7:15 pm-9:31 am

2 stops48h 16m

Seattle/Tacoma Intl

Tue 3/10

3:00 pm-1:45 pm

1 stop13h 45m

$651

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Tue 2/17

8:25 pm-2:19 pm

2 stops51h 54m

Seattle/Tacoma Intl

Fri 3/6

2:00 pm-1:35 pm

1 stop13h 35m

$699

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Sat 2/14

7:15 pm-9:31 am

2 stops48h 16m

Seattle/Tacoma Intl

Thu 3/5

2:00 pm-1:50 pm

1 stop13h 50m

$703

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Wed 2/18

6:05 am-2:19 pm

2 stops42h 14m

Seattle/Tacoma Intl

Tue 3/10

3:00 pm-1:45 pm

1 stop13h 45m

$705

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Mon 2/16

10:40 am-3:40 pm

1 stop15h 00m

Seattle/Tacoma Intl

Wed 3/4

3:10 pm-6:20 pm

1 stop17h 10m

$706

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Mon 4/6

10:30 am-3:40 pm

1 stop15h 10m

Seattle/Tacoma Intl

Mon 4/27

5:50 am-11:10 pm

2 stops31h 20m

$709

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Mon 3/30

2:40 pm-9:11 am

2 stops52h 31m

Seattle/Tacoma Intl

Mon 4/20

6:55 pm-11:00 pm

1 stop18h 05m

$716

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Mon 2/16

10:40 am-3:40 pm

1 stop15h 00m

Seattle/Tacoma Intl

Tue 3/10

3:00 pm-1:45 pm

1 stop13h 45m

$718

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Mon 4/6

10:30 am-3:40 pm

1 stop15h 10m

Seattle/Tacoma Intl

Mon 4/27

2:10 pm-10:40 pm

1 stop22h 30m

$739

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Layovers

What is the typical price of a round-trip flight between Sofia and Seattle?

What is the cheapest month to fly to Seattle?

In general, June 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 $834. If you don’t want to visit Seattle in June, then you should wait until October to fly from Sofia, when ticket prices are also cheap, with an average price of $836.

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

Fastest flight time	14h 40m
Direct flights	None

The fastest flight from Sofia to Seattle takes 14h 40m

There are no direct flights from Sofia to Seattle. There are no popular flight routes from Sofia to Seattle.

Search flight deals

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 40m 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 2 as of January 2026.
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 (67% of total bookings). The next most popular airline is Turkish Airlines (33%).

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 $794	Free Cancellation	Rating 6.8 7,715 reviews		Search Lufthansa flights
Turkish Airlines	PriceFrom $824	Free Cancellation	Rating 7.3 4,169 reviews		Search Turkish Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Cle Elum

Lakewood

Federal Way

Fife

Kirkland

Westport

Centralia

Shoreline

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.