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$539+ Cheap flights from Sofia (SOF) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SEA
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
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Cheap flight deals from Sofia to Washington

Cheapest flights from Sofia to Washington
Explore the most affordable flight options available from Sofia to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.

This Justfly.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/164:00 pm
SOF
-
SEA
1 stop35h 05m
Turkish Airlines
Sun 3/297:10 pm
SEA
-
SOF
1 stop33h 50m
Turkish Airlines
Deal found 2/12$797
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1610:40 am
SOF
-
SEA
1 stop15h 00m
Multiple Airlines
Sun 3/293:40 pm
SEA
-
SOF
2 stops33h 50m
Multiple Airlines
Deal found 2/12$814
This Justfly.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/54:00 pm
SOF
-
SEA
1 stop35h 05m
Turkish Airlines
Wed 3/188:00 pm
SEA
-
SOF
1 stop15h 50m
Turkish Airlines
Deal found 2/10$834
This FlightHub deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/134:00 pm
SOF
-
SEA
1 stop35h 05m
Turkish Airlines
Fri 8/287:10 pm
SEA
-
SOF
1 stop32h 05m
Turkish Airlines
Deal found 2/10$899
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:35 am
SOF
-
SEA
1 stop17h 40m
Turkish Airlines
Thu 5/287:10 pm
SEA
-
SOF
1 stop15h 05m
Turkish Airlines
Deal found 2/12$908
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
SOF
-
SEA
1 stop16h 10m
United Airlines
Wed 3/187:36 pm
SEA
-
SOF
2 stops18h 09m
United Airlines
Deal found 2/10$937
This United Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:30 am
SOF
-
SEA
1 stop15h 50m
United Airlines
Thu 5/286:50 pm
SEA
-
SOF
1 stop18h 10m
United Airlines
Deal found 2/13$938
This Lufthansa deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
SOF
-
SEA
1 stop16h 10m
Lufthansa
Wed 3/187:00 am
SEA
-
SOF
2 stops21h 15m
Lufthansa
Deal found 2/11$939
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:10 am
SOF
-
PDX
2 stops27h 25m
United Airlines
Fri 8/284:05 pm
PDX
-
SOF
2 stops21h 05m
United Airlines
Deal found 2/10$942
This KLM deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:00 am
SOF
-
PDX
2 stops24h 10m
KLM
Fri 8/281:05 pm
PDX
-
SOF
1 stop14h 55m
KLM
Deal found 2/10$1,030
This Air Canada deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/132:35 pm
SOF
-
PDX
3 stops27h 40m
Air Canada
Fri 8/2810:10 am
PDX
-
SOF
3 stops22h 30m
Air Canada
Deal found 2/10$1,438

Find flight deals from Sofia to Washington

Keep the following information in mind while searching for Sofia to Washington flight deals. Data was last updated February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$797
(Justfly.com)

One-way from

$539
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$950
Provider with most accurate pricing for Sofia-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-Seattle/Tacoma Intl flights.
Search Deals
From Sofia to Washington
Search Deals
One-way flight from Sofia to Washington
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sofia to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 14, 2026.
Use the filters below to find and compare flights from Sofia to Washington that are best for you.

Fly from

Sofia

Fly to

Washington

Route

Depart

Return

Price

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Mon 3/16

4:00 pm-6:05 pm

1 stop35h 05m

Seattle/Tacoma Intl

Sun 3/29

7:10 pm-3:00 pm

1 stop33h 50m

$797

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Mon 3/16

10:40 am-4:40 pm

1 stop15h 00m

Seattle/Tacoma Intl

Sun 3/29

3:40 pm-11:30 am

2 stops33h 50m

$814

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Thu 3/5

4:00 pm-5:05 pm

1 stop35h 05m

Seattle/Tacoma Intl

Wed 3/18

8:00 pm-8:50 pm

1 stop15h 50m

$834

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Thu 4/23

9:35 am-5:15 pm

1 stop17h 40m

Seattle/Tacoma Intl

Thu 5/28

7:10 pm-8:15 pm

1 stop15h 05m

$910

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Thu 3/5

6:00 am-12:10 pm

1 stop16h 10m

Seattle/Tacoma Intl

Wed 3/18

7:36 pm-10:45 pm

2 stops18h 09m

$937

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Fri 3/13

6:10 am-1:10 pm

1 stop16h 00m

Seattle/Tacoma Intl

Fri 8/28

8:00 am-12:10 pm

2 stops18h 10m

$937

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Thu 4/23

6:30 am-12:20 pm

1 stop15h 50m

Seattle/Tacoma Intl

Thu 5/28

1:00 pm-6:40 pm

2 stops19h 40m

$937

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Thu 3/5

6:00 am-12:10 pm

1 stop16h 10m

Seattle/Tacoma Intl

Wed 3/18

7:00 am-1:15 pm

2 stops21h 15m

$939

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 3/13

6:10 am-12:35 am

2 stops27h 25m

Portland

Fri 8/28

4:05 pm-11:10 pm

2 stops21h 05m

$942

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 3/13

7:00 am-10:10 pm

2 stops24h 10m

Portland

Fri 8/28

1:05 pm-2:00 pm

1 stop14h 55m

$1,030

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 19 results
1
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Best time to book a flight from Sofia to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Sofia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sofia to Washington

What is the cheapest month to book a flight from Sofia to State of Washington?

Currently, February is the cheapest month in which you can book a flight from Sofia to State of Washington (average of $797). Flying from Sofia to State of Washington in January is currently the most expensive (average of $988). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated February 14, 2026.
Read through reviews of airlines operating flights from Sofia to Washington, such as Turkish Airlines and Lufthansa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
4,216 reviews

Boarding

7.3

Entertainment

7.5

Comfort

7.3

Crew

7.8

Food

7.4

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Muhammad,Jan 2026

ORD - DFW

Great, customer service agent at O’hare was able to change the flight due to snow storm. Thank you
Turkish Airlines
7.3
Good
4,216 reviews
Turkish Airlines
7.3
Good
4,216 reviews

Boarding

7.3

Entertainment

7.5

Comfort

7.3

Crew

7.8

Food

7.4

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Muhammad,Jan 2026

ORD - DFW

Great, customer service agent at O’hare was able to change the flight due to snow storm. Thank you
Lufthansa
6.8
Okay
7,784 reviews
Turkish Airlines
7.3
Good
4,216 reviews

Boarding

7.3

Entertainment

7.5

Comfort

7.3

Crew

7.8

Food

7.4

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Muhammad,Jan 2026

ORD - DFW

Great, customer service agent at O’hare was able to change the flight due to snow storm. Thank you

Related info for your journey

Find useful and relevant information for your journey from Sofia to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sofia to Washington?

    If you book a flight to Washington from Sofia, you will be flying from Sofia, which is the city’s only airport. Sofia (SOF) is located 4.2 mi from the center of Sofia.

  • How long is the flight from Sofia to State of Washington?

    Departing from Sofia to State of Washington will take you 24h 10m. Airlines will cover a distance of 5985 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Sofia to Washington that include hotel bookings?

    Yes. In addition to deals on Sofia to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sofia to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sofia to Washington.

  • Can I find deals for business class flights from Sofia to Washington?

    Yes. Cheapflights offers flight deals from Sofia to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sofia to State of Washington?

    Currently, February is the cheapest month in which you can book a flight from Sofia to State of Washington (average of $797). Flying from Sofia to State of Washington in January is currently the most expensive (average of $988). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Sofia to Washington

Discover the top 2 airlines that operate flights from Sofia to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$815Average$899FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$844Average$976FlexibilityNo cancel feeOn-time77%

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