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.

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 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 July 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.

$401 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.

6:45 pm - 4:00 pm

SOF

SEA

31h 15m

3 stops

3:40 pm - 7:30 pm

SEA

SOF

17h 50m

2 stops

$927Multiple Airlines

Wed, Sep 2 - Mon, Sep 7

7:10 am - 4:00 pm

SOF

SEA

18h 50m

2 stops

5:40 pm - 3:30 pm

SEA

SOF

35h 50m

3 stops

$939Multiple Airlines

Thu, Aug 27 - Wed, Sep 9

5:00 am - 4:00 pm

SOF

SEA

21h 00m

3 stops

5:40 pm - 3:30 pm

SEA

SOF

35h 50m

3 stops

$962Multiple Airlines

Thu, Aug 27 - Wed, Sep 9

6:45 pm - 4:00 pm

SOF

SEA

31h 15m

3 stops

3:40 pm - 1:35 am

SEA

SOF

23h 55m

3 stops

$970Multiple Airlines

Wed, Sep 2 - Mon, Sep 7

3:50 pm - 10:40 am

SOF

SEA

28h 50m

1 stop

10:42 am - 3:00 pm

SEA

SOF

42h 18m

2 stops

$972Turkish Airlines

Fri, Sep 11 - Thu, Sep 24

6:30 am - 11:55 am

SOF

SEA

15h 25m

1 stop

2:10 pm - 1:15 pm

SEA

SOF

13h 05m

1 stop

$985Lufthansa

Thu, Aug 13 - Fri, Aug 28

6:30 am - 11:55 am

SOF

SEA

15h 25m

1 stop

6:50 pm - 6:40 pm

SEA

SOF

13h 50m

1 stop

$993Lufthansa

Thu, Aug 13 - Wed, Aug 26

6:20 am - 11:55 am

SOF

SEA

15h 35m

1 stop

2:10 pm - 1:20 pm

SEA

SOF

13h 10m

1 stop

$1,003Lufthansa

Fri, Aug 21 - Thu, Sep 24

3:50 pm - 10:45 pm

SOF

SEA

40h 55m

2 stops

10:42 am - 3:00 pm

SEA

SOF

42h 18m

2 stops

$1,007Turkish Airlines

Fri, Sep 11 - Thu, Sep 24

9:10 pm - 5:20 pm

SOF

SEA

30h 10m

1 stop

10:41 am - 12:15 pm

SEA

SOF

39h 34m

2 stops

$1,139Turkish Airlines

Sat, Aug 15 - Fri, Aug 28

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Turkish Airlines flights from Sofia to Seattle

Our best Turkish Airlines deals on Sofia to Seattle flight tickets

Turkish Airlines

Sep 11

SOF3:50 pmSofia

28h 50m

1 stop

SEA10:40 amSeattle/Tacoma Intl

Sep 24

SEA10:42 amSeattle/Tacoma Intl

42h 18m

2 stops

SOF3:00 pmSofia

$972

Turkish Airlines

Aug 15

SOF9:10 pmSofia

30h 10m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

Aug 28

SEA10:41 amSeattle/Tacoma Intl

39h 34m

2 stops

SOF12:15 pmSofia

$1,139

Turkish Airlines

Aug 15

SOF9:10 pmSofia

30h 10m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

Aug 28

SEA7:15 pmSeattle/Tacoma Intl

31h 00m

1 stop

SOF12:15 pmSofia

$1,142

Lufthansa flights from Sofia to Seattle

Our best Lufthansa deals on Sofia to Seattle flight tickets

Lufthansa

Aug 13

SOF6:30 amSofia

15h 25m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Aug 28

SEA2:10 pmSeattle/Tacoma Intl

13h 05m

1 stop

SOF1:15 pmSofia

$985

Lufthansa

Aug 13

SOF6:30 amSofia

15h 25m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Aug 26

SEA6:50 pmSeattle/Tacoma Intl

13h 50m

1 stop

SOF6:40 pmSofia

$993

Lufthansa

Aug 21

SOF6:20 amSofia

15h 35m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Sep 24

SEA2:10 pmSeattle/Tacoma Intl

13h 10m

1 stop

SOF1:20 pmSofia

$1,003

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Wed 9/2

6:45 pm-4:00 pm

3 stops31h 15m

Seattle/Tacoma Intl

Mon 9/7

3:40 pm-7:30 pm

2 stops17h 50m

$927

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Thu 8/27

7:10 am-4:00 pm

2 stops18h 50m

Seattle/Tacoma Intl

Wed 9/9

5:40 pm-3:30 pm

3 stops35h 50m

$939

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Thu 8/27

5:00 am-4:00 pm

3 stops21h 00m

Seattle/Tacoma Intl

Wed 9/9

5:40 pm-3:30 pm

3 stops35h 50m

$962

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Wed 9/2

6:45 pm-4:00 pm

3 stops31h 15m

Seattle/Tacoma Intl

Mon 9/7

3:40 pm-1:35 am

3 stops23h 55m

$970

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Fri 9/11

3:50 pm-10:40 am

1 stop28h 50m

Seattle/Tacoma Intl

Thu 9/24

10:42 am-3:00 pm

2 stops42h 18m

$972

Quickest round-trip

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Thu 8/13

6:30 am-11:55 am

1 stop15h 25m

Seattle/Tacoma Intl

Fri 8/28

2:10 pm-1:15 pm

1 stop13h 05m

$985

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Thu 8/13

6:30 am-11:55 am

1 stop15h 25m

Seattle/Tacoma Intl

Wed 8/26

6:50 pm-6:40 pm

1 stop13h 50m

$993

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Fri 8/21

6:20 am-11:55 am

1 stop15h 35m

Seattle/Tacoma Intl

Thu 9/24

2:10 pm-1:20 pm

1 stop13h 10m

$1,003

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Fri 9/11

3:50 pm-10:45 pm

2 stops40h 55m

Seattle/Tacoma Intl

Thu 9/24

10:42 am-3:00 pm

2 stops42h 18m

$1,007

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Sat 8/15

9:10 pm-5:20 pm

1 stop30h 10m

Seattle/Tacoma Intl

Fri 8/28

10:41 am-12:15 pm

2 stops39h 34m

$1,139

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	18h 50m
Direct flights	None

The fastest flight from Sofia to Seattle takes 18h 50m

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

Search flight deals

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 18h 50m 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 July 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 (63% of total bookings). The next most popular airline is Lufthansa (37%).

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 4,456 reviews		Search Turkish Airlines flights
Lufthansa	PriceFrom $862	Free Cancellation	Rating 6.8 8,167 reviews		Search Lufthansa flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Kent

Lynnwood

Redmond

Lakewood

Puyallup

Tukwila

Federal Way

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.