What is the cheapest airline that flies from Sofia to Washington?

British Airways is the most popular carrier operating from Sofia to Washington

When did momondo last update prices for flights from Sofia Airport to Washington?

Prices for flights from Sofia Airport to Washington are updated daily.

How many operators does momondo search for flights from Sofia Airport to Washington?

As of August 2026, there are 2 operators available to choose from for flights from Sofia Airport to Washington.

How old do you have to be to fly from Sofia Airport to Washington?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Washington.

What documentation or ID do you need to fly to Washington?

The necessary travel and health documents for your Washington 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.

$453 Cheap Flights from Sofia to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sofia to Washington

Round-trip

One-way

Last minute

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

9:40 pm - 12:40 amSEA Seattle/Tacoma Intl-SOF Sofia

17h 00m1 stop London Heathrow

$708Multiple Airlines

Thu, Oct 8 - Wed, Oct 21

6:30 am - 7:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

22h 30m2 stops Bergamo Orio Al Serio London Stansted

9:40 pm - 12:40 amSEA Seattle/Tacoma Intl-SOF Sofia

17h 00m1 stop London Heathrow

$732Multiple Airlines

Thu, Oct 8 - Wed, Oct 21

9:40 pm - 4:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

28h 20m2 stops Barcelona-El Prat Frankfurt am Main

5:40 pm - 1:35 amSEA Seattle/Tacoma Intl-SOF Sofia

21h 55m2 stops Frankfurt am Main Barcelona-El Prat

$751Multiple Airlines

Wed, Oct 14 - Wed, Oct 21

6:45 pm - 1:45 pmSOF Sofia-SEA Seattle/Tacoma Intl

29h 00m3 stops Warsaw Frederic Chopin Stockholm Arlanda Kastrup Copenhagen

3:40 pm - 3:00 amSEA Seattle/Tacoma Intl-SOF Sofia

25h 20m3 stops Reykjavik Keflavik Intl Brussels Bruxelles-National Belgrade Nikola Tesla

$823Multiple Airlines

Thu, Oct 8 - Wed, Oct 21

3:50 pm - 10:53 pmSOF Sofia-SEA Seattle/Tacoma Intl

41h 03m2 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

$930Turkish Airlines

Sun, Oct 4 - Sat, Oct 17

3:50 pm - 10:53 pmSOF Sofia-SEA Seattle/Tacoma Intl

41h 03m2 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

$935Turkish Airlines

Sun, Oct 4 - Sat, Oct 17

3:50 pm - 10:53 pmSOF Sofia-SEA Seattle/Tacoma Intl

41h 03m2 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

$937Turkish Airlines

Sun, Oct 4 - Sat, Oct 17

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

35h 30m1 stop Istanbul

10:42 am - 8:20 pmSEA Seattle/Tacoma Intl-SOF Sofia

23h 38m2 stops Chicago O'Hare Intl Istanbul

$947Turkish Airlines

Sun, Oct 4 - Sat, Oct 17

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

16h 00m1 stop Frankfurt am Main

2:10 pm - 6:00 pmSEA Seattle/Tacoma Intl-SOF Sofia

17h 50m1 stop Frankfurt am Main

$1,031Lufthansa

Mon, Oct 12 - Mon, Oct 19

12:55 pm - 4:59 pmSOF Sofia-SEA Seattle/Tacoma Intl

14h 04m1 stop Munich Franz Josef Strauss

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

13h 50m1 stop Munich Franz Josef Strauss

$1,038Lufthansa

Wed, Oct 14 - Wed, Oct 21

Cheap last minute flights

Enter your travel dates to find the best prices.

1:50 pm - 9:05 pmSOF Sofia-PDX Portland

41h 15m2 stops Frankfurt am Main Denver Intl

2:27 pm - 10:40 pmPDX Portland-SOF Sofia

22h 13m2 stops Chicago O'Hare Intl Frankfurt am Main

$1,144United Airlines

Wed, Sep 2 - Thu, Sep 17

12:55 pm - 10:11 amSOF Sofia-PDX Portland

31h 16m2 stops Munich Franz Josef Strauss San Francisco

5:00 am - 11:15 pmPDX Portland-SOF Sofia

32h 15m2 stops Denver Intl Munich Franz Josef Strauss

$1,178United Airlines

Wed, Sep 2 - Thu, Sep 17

10:30 am - 7:50 pmSOF Sofia-PDX Portland

19h 20m2 stops Frankfurt am Main Seattle/Tacoma Intl

3:35 pm - 9:30 pmPDX Portland-SOF Sofia

19h 55m1 stop Frankfurt am Main

$1,202Multiple Airlines

Wed, Sep 2 - Thu, Sep 17

6:10 am - 6:53 pmSOF Sofia-PDX Portland

22h 43m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

10:50 am - 6:40 pmPDX Portland-SOF Sofia

21h 50m2 stops Denver Intl Munich Franz Josef Strauss

$1,421Lufthansa

Fri, Sep 4 - Wed, Sep 9

6:10 am - 7:11 pmSOF Sofia-PDX Portland

23h 01m3 stops Munich Franz Josef Strauss Frankfurt am Main Vancouver Intl

3:30 pm - 6:40 pmPDX Portland-SOF Sofia

17h 10m2 stops Vancouver Intl Munich Franz Josef Strauss

$1,528Air Canada

Fri, Sep 4 - Wed, Sep 9

3:40 pm - 1:05 pmSOF Sofia-PDX Portland

31h 25m1 stop Frankfurt am Main

5:53 pm - 9:30 pmPDX Portland-SOF Sofia

41h 37m2 stops San Francisco Frankfurt am Main

$1,586Multiple Airlines

Fri, Sep 4 - Wed, Sep 9

10:30 am - 1:35 pmSOF Sofia-PDX Portland

37h 05m1 stop Frankfurt am Main

3:35 pm - 9:30 pmPDX Portland-SOF Sofia

19h 55m1 stop Frankfurt am Main

$1,622Multiple Airlines

Wed, Sep 2 - Thu, Sep 17

2:15 pm - 5:40 pmSOF Sofia-PDX Portland

37h 25m1 stop London Heathrow

7:30 pm - 1:25 pmPDX Portland-SOF Sofia

31h 55m1 stop London Heathrow

$2,176British Airways

Fri, Sep 4 - Wed, Sep 9

5:00 am - 5:50 pmSOF Sofia-PDX Portland

22h 50m3 stops Belgrade Nikola Tesla Frankfurt am Main Reykjavik Keflavik Intl

2:30 pm - 3:00 amPDX Portland-SOF Sofia

26h 30m3 stops Calgary Paris Charles de Gaulle Belgrade Nikola Tesla

$2,272Multiple Airlines

Fri, Sep 4 - Wed, Sep 9

10:30 am - 1:35 pmSOF Sofia-PDX Portland

37h 05m1 stop Frankfurt am Main

3:35 pm - 9:30 pmPDX Portland-SOF Sofia

19h 55m1 stop Frankfurt am Main

$2,515Multiple Airlines

Wed, Sep 2 - Thu, Sep 17

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United Airlines flights from Sofia to State of Washington

Our best United Airlines deals on Sofia to State of Washington flight tickets

United Airlines

Sep 24

SOF6:30 amSofia

26h 17m

2 stops

SEA10:47 pmSeattle/Tacoma Intl

Oct 9

SEA6:50 pmSeattle/Tacoma Intl

18h 25m

1 stop

SOF11:15 pmSofia

$1,044

United Airlines

Sep 20

SOF6:20 amSofia

22h 54m

2 stops

SEA7:14 pmSeattle/Tacoma Intl

Oct 9

SEA9:05 amSeattle/Tacoma Intl

28h 10m

2 stops

SOF11:15 pmSofia

$1,049

United Airlines

Oct 10

SOF6:20 amSofia

20h 39m

2 stops

SEA4:59 pmSeattle/Tacoma Intl

Oct 23

SEA7:00 amSeattle/Tacoma Intl

19h 10m

2 stops

SOF12:10 pmSofia

$1,093

Turkish Airlines flights from Sofia to State of Washington

Our best Turkish Airlines deals on Sofia to State of Washington flight tickets

Turkish Airlines

Oct 4

SOF3:50 pmSofia

41h 03m

2 stops

SEA10:53 pmSeattle/Tacoma Intl

Oct 17

SEA10:42 amSeattle/Tacoma Intl

42h 18m

2 stops

SOF3:00 pmSofia

$930

Turkish Airlines

Oct 4

SOF3:50 pmSofia

41h 03m

2 stops

SEA10:53 pmSeattle/Tacoma Intl

Oct 17

SEA10:42 amSeattle/Tacoma Intl

42h 18m

2 stops

SOF3:00 pmSofia

$935

Turkish Airlines

Oct 4

SOF3:50 pmSofia

41h 03m

2 stops

SEA10:53 pmSeattle/Tacoma Intl

Oct 17

SEA10:42 amSeattle/Tacoma Intl

42h 18m

2 stops

SOF3:00 pmSofia

$937

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Thu 10/8

6:00 am-7:00 pm

1 stop23h 00m

Seattle/Tacoma Intl

Wed 10/21

9:40 pm-12:40 am

1 stop17h 00m

$708

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Thu 10/8

6:30 am-7:00 pm

2 stops22h 30m

Seattle/Tacoma Intl

Wed 10/21

9:40 pm-12:40 am

1 stop17h 00m

$732

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Wed 10/14

9:40 pm-4:00 pm

2 stops28h 20m

Seattle/Tacoma Intl

Wed 10/21

5:40 pm-1:35 am

2 stops21h 55m

$751

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Thu 10/8

6:45 pm-1:45 pm

3 stops29h 00m

Seattle/Tacoma Intl

Wed 10/21

3:40 pm-3:00 am

3 stops25h 20m

$823

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Sun 10/4

3:50 pm-10:53 pm

2 stops41h 03m

Seattle/Tacoma Intl

Sat 10/17

10:42 am-3:00 pm

2 stops42h 18m

$930

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Sun 10/4

3:50 pm-10:53 pm

2 stops41h 03m

Seattle/Tacoma Intl

Sat 10/17

10:42 am-3:00 pm

2 stops42h 18m

$935

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Sun 10/4

3:50 pm-10:53 pm

2 stops41h 03m

Seattle/Tacoma Intl

Sat 10/17

10:42 am-3:00 pm

2 stops42h 18m

$937

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Sun 10/4

3:50 pm-5:20 pm

1 stop35h 30m

Seattle/Tacoma Intl

Sat 10/17

10:42 am-8:20 pm

2 stops23h 38m

$947

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Mon 10/12

6:20 am-12:20 pm

1 stop16h 00m

Seattle/Tacoma Intl

Mon 10/19

2:10 pm-6:00 pm

1 stop17h 50m

$1,031

Quickest round-trip

SofiaSeattle

SOF Sofia - SEA Seattle/Tacoma Intl

SOFSEA

Sofia

Wed 10/14

12:55 pm-4:59 pm

1 stop14h 04m

Seattle/Tacoma Intl

Wed 10/21

6:50 pm-6:40 pm

1 stop13h 50m

$1,038

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 State of Washington

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 State of Washington?

The month of August is, on average, the cheapest month to fly to State of Washington from Sofia, with most prices found around $0. If you aren’t able to travel to State of Washington during the month of August, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $863.

Cheap Sofia to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to State of Washington

Best Price Found	$453
Fastest flight time	33h 05m
Direct flights	None

The best one-way flight to State of Washington from Sofia in the past 72 hours is $453. The best round-trip flight deal from Sofia to State of Washington found on momondo in the last 72 hours is $708.

The fastest flight from Sofia to State of Washington takes 33h 05m

There are no direct flights from Sofia to State of Washington. There are no popular flight routes from Sofia to State of Washington.

Search flight deals

Frequently asked questions about flying from Sofia to Washington

When did momondo last update prices for flights from Sofia Airport to Washington?
Prices for flights from Sofia Airport to Washington are updated daily.
How many operators does momondo search for flights from Sofia Airport to Washington?
As of August 2026, there are 2 operators available to choose from for flights from Sofia Airport to Washington.
How old do you have to be to fly from Sofia Airport to Washington?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington 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.

Best airlines flying from Sofia to State of Washington

Compare and see reviews for airlines that fly from Sofia to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom $854	Free Cancellation	Rating 7.4 4,476 reviews		Search Turkish Airlines flights
Lufthansa	PriceFrom $906	Free Cancellation	Rating 6.8 8,227 reviews		Search Lufthansa flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sofia to Washington. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Washington from Sofia which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Sofia to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Sofia to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.