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 offers the lowest fares from Sofia to Seattle?

Flights via Amsterdam (AMS) offer the lowest average round-trip price of $1,018.

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.

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

Istanbul (IST) was the most common stop: 90% of momondo users choosing 1-stop flights on this route connected there.

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 August 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.

$457 Cheap Flights from Sofia to Seattle in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:00 am - 7:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

23h 00m1 stop London Luton

3:40 pm - 12:20 amSEA Seattle/Tacoma Intl-SOF Sofia

22h 40m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$825Multiple Airlines

Thu, Oct 1 - Wed, Oct 14

6:00 am - 7:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

23h 00m1 stop London Luton

3:40 pm - 12:20 amSEA Seattle/Tacoma Intl-SOF Sofia

22h 40m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$829Multiple Airlines

Thu, Oct 1 - Wed, Oct 14

5:45 am - 8:40 pmSOF Sofia-SEA Seattle/Tacoma Intl

24h 55m2 stops London Stansted Reykjavik Keflavik Intl

3:40 pm - 12:20 amSEA Seattle/Tacoma Intl-SOF Sofia

22h 40m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$843Multiple Airlines

Thu, Oct 1 - Wed, Oct 14

7:55 pm - 8:40 pmSOF Sofia-SEA Seattle/Tacoma Intl

34h 45m3 stops Istanbul Sabiha Gokcen London Stansted Reykjavik Keflavik Intl

7:00 pm - 12:20 amSEA Seattle/Tacoma Intl-SOF Sofia

19h 20m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$844Multiple Airlines

Thu, Oct 1 - Wed, Oct 14

9:10 pm - 10:56 pmSOF Sofia-SEA Seattle/Tacoma Intl

35h 46m2 stops Istanbul Chicago O'Hare Intl

10:42 am - 3:00 pmSEA Seattle/Tacoma Intl-SOF Sofia

42h 18m2 stops Chicago O'Hare Intl Istanbul

$927Turkish Airlines

Thu, Oct 1 - Thu, Oct 15

9:10 pm - 5:20 pmSOF Sofia-SEA Seattle/Tacoma Intl

30h 10m1 stop Istanbul

7:15 pm - 3:00 pmSEA Seattle/Tacoma Intl-SOF Sofia

33h 45m1 stop Istanbul

$1,005Turkish Airlines

Thu, Oct 1 - Thu, Oct 15

3:50 pm - 5:20 pmSOF Sofia-SEA Seattle/Tacoma Intl

35h 30m1 stop Istanbul

7:15 pm - 3:00 pmSEA Seattle/Tacoma Intl-SOF Sofia

33h 45m1 stop Istanbul

$1,031Turkish Airlines

Thu, Oct 1 - Wed, Oct 14

6:20 am - 11:55 amSOF Sofia-SEA Seattle/Tacoma Intl

15h 35m1 stop Frankfurt am Main

6:50 pm - 11:15 pmSEA Seattle/Tacoma Intl-SOF Sofia

18h 25m1 stop Munich Franz Josef Strauss

$1,033Lufthansa

Fri, Sep 11 - Fri, Sep 18

6:30 am - 12:20 pmSOF Sofia-SEA Seattle/Tacoma Intl

15h 50m1 stop Frankfurt am Main

6:50 pm - 6:40 pmSEA Seattle/Tacoma Intl-SOF Sofia

13h 50m1 stop Munich Franz Josef Strauss

$1,033Lufthansa

Thu, Oct 1 - Wed, Oct 14

6:10 am - 11:55 amSOF Sofia-SEA Seattle/Tacoma Intl

15h 45m2 stops Munich Franz Josef Strauss Frankfurt am Main

6:50 pm - 6:40 pmSEA Seattle/Tacoma Intl-SOF Sofia

13h 50m1 stop Munich Franz Josef Strauss

$1,056Lufthansa

Fri, Sep 11 - Fri, Sep 18

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Turkish Airlines flights from Sofia to Seattle

Our best Turkish Airlines deals on Sofia to Seattle flight tickets

Turkish Airlines

Oct 1

SOF9:10 pmSofia

35h 46m

2 stops

SEA10:56 pmSeattle/Tacoma Intl

Oct 15

SEA10:42 amSeattle/Tacoma Intl

42h 18m

2 stops

SOF3:00 pmSofia

$927

Turkish Airlines

Oct 1

SOF9:10 pmSofia

30h 10m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

Oct 15

SEA7:15 pmSeattle/Tacoma Intl

33h 45m

1 stop

SOF3:00 pmSofia

$1,005

Turkish Airlines

Oct 1

SOF3:50 pmSofia

35h 30m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

Oct 14

SEA7:15 pmSeattle/Tacoma Intl

33h 45m

1 stop

SOF3:00 pmSofia

$1,031

Lufthansa flights from Sofia to Seattle

Our best Lufthansa deals on Sofia to Seattle flight tickets

Lufthansa

Sep 11

SOF6:10 amSofia

15h 45m

2 stops

SEA11:55 amSeattle/Tacoma Intl

Sep 18

SEA6:50 pmSeattle/Tacoma Intl

13h 50m

1 stop

SOF6:40 pmSofia

$1,056

Lufthansa

Sep 11

SOF6:10 amSofia

15h 45m

2 stops

SEA11:55 amSeattle/Tacoma Intl

Sep 18

SEA6:50 pmSeattle/Tacoma Intl

17h 40m

2 stops

SOF10:30 pmSofia

$1,089

Lufthansa

Sep 29

SOF6:10 amSofia

15h 45m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Nov 12

SEA1:50 pmSeattle/Tacoma Intl

18h 20m

1 stop

SOF6:10 pmSofia

$3,627

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Thu 10/1

6:00 am-7:00 pm

1 stop23h 00m

Seattle/Tacoma Intl

Wed 10/14

3:40 pm-12:20 am

2 stops22h 40m

$825

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Thu 10/1

6:00 am-7:00 pm

1 stop23h 00m

Seattle/Tacoma Intl

Wed 10/14

3:40 pm-12:20 am

2 stops22h 40m

$829

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Thu 10/1

5:45 am-8:40 pm

2 stops24h 55m

Seattle/Tacoma Intl

Wed 10/14

3:40 pm-12:20 am

2 stops22h 40m

$843

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Thu 10/1

7:55 pm-8:40 pm

3 stops34h 45m

Seattle/Tacoma Intl

Wed 10/14

7:00 pm-12:20 am

2 stops19h 20m

$844

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Thu 10/1

9:10 pm-10:56 pm

2 stops35h 46m

Seattle/Tacoma Intl

Thu 10/15

10:42 am-3:00 pm

2 stops42h 18m

$927

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Thu 10/1

9:10 pm-5:20 pm

1 stop30h 10m

Seattle/Tacoma Intl

Thu 10/15

7:15 pm-3:00 pm

1 stop33h 45m

$1,005

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Thu 10/1

3:50 pm-5:20 pm

1 stop35h 30m

Seattle/Tacoma Intl

Wed 10/14

7:15 pm-3:00 pm

1 stop33h 45m

$1,031

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Fri 9/11

6:20 am-11:55 am

1 stop15h 35m

Seattle/Tacoma Intl

Fri 9/18

6:50 pm-11:15 pm

1 stop18h 25m

$1,033

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Thu 10/1

6:30 am-12:20 pm

1 stop15h 50m

Seattle/Tacoma Intl

Wed 10/14

6:50 pm-6:40 pm

1 stop13h 50m

$1,033

Quickest round-trip

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Fri 9/11

6:10 am-11:55 am

2 stops15h 45m

Seattle/Tacoma Intl

Fri 9/18

6:50 pm-6:40 pm

1 stop13h 50m

$1,056

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 cheapest month to fly to Seattle?

In general, August 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 $0. If you don’t want to visit Seattle in August, then you should wait until March to fly from Sofia, when ticket prices are also cheap, with an average price of $863.

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	15h 25m
Direct flights	None

The fastest flight from Sofia to Seattle takes 15h 25m

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

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Frequently asked questions about flying from Sofia to Seattle

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 15h 25m 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 August 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 Turkish Airlines (67% of total bookings). The next most popular airline is Lufthansa (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
Turkish Airlines	PriceFrom $854	Free Cancellation	Rating 7.4 4,481 reviews		Search Turkish Airlines flights
Lufthansa	PriceFrom $862	Free Cancellation	Rating 6.8 8,182 reviews		Search Lufthansa flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Kent

Lynnwood

Redmond

Lakewood

Federal Way

Puyallup

Tukwila

Fife

Cle Elum

Marysville

Kirkland

Centralia

Shoreline

Lacey

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.