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$422+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SEA
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Find 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 October 23, 2025.

This Trip.com deal was found by Cheapflights users on 10/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:00 amSOF - SEA
2 stops45h 00mMultiple Airlines
Wed 11/262:35 pmSEA - SOF
2 stops26h 20mMultiple Airlines
Deal found 10/22$754
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Wed 11/192:25 pmSOF - SEA
2 stops20h 34mUnited Airlines
Wed 11/268:36 amSEA - SOF
3 stops23h 24mUnited Airlines
Deal found 10/22$903
This KLM deal was found by Cheapflights users on 10/23. 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 11/77:00 amSOF - PDX
1 stop14h 25mKLM
Wed 11/126:10 amPDX - SOF
2 stops21h 55mKLM
Deal found 10/23$917
This KLM deal was found by Cheapflights users on 10/21. 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 12/57:00 amSOF - PDX
1 stop14h 25mKLM
Fri 12/121:25 pmPDX - SOF
1 stop14h 40mKLM
Deal found 10/21$988
This Mytrip deal was found by Cheapflights users on 10/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:05 amSOF - PDX
3 stops20h 55mMultiple Airlines
Wed 11/129:50 amPDX - SOF
3 stops25h 50mMultiple Airlines
Deal found 10/23$1,175
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/56:10 amSOF - PDX
3 stops28h 27mUnited Airlines
Fri 12/124:02 pmPDX - SOF
2 stops20h 43mUnited Airlines
Deal found 10/21$1,186
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/77:55 amSOF - PDX
2 stops24h 41mUnited Airlines
Wed 11/127:00 amPDX - SOF
3 stops25h 20mUnited Airlines
Deal found 10/23$1,275
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:05 amSOF - PDX
3 stops20h 55mMultiple Airlines
Fri 12/123:15 pmPDX - SOF
3 stops33h 00mMultiple Airlines
Deal found 10/21$1,502

Cheap flight deals from Sofia to Washington

Keep the following information in mind while searching for Sofia to Washington flight deals. Data was last updated October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$754
(Trip.com)

One-way from

$422
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$930
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. 1% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 23, 2025.
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

Wed 11/19

6:00 am-5:00 pm

2 stops45h 00m

Seattle/Tacoma Intl

Wed 11/26

2:35 pm-2:55 am

2 stops26h 20m

$754

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Wed 11/19

2:25 pm-12:59 am

2 stops20h 34m

Seattle/Tacoma Intl

Wed 11/26

8:36 am-6:00 pm

3 stops23h 24m

$903

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 11/7

7:00 am-11:25 am

1 stop14h 25m

Portland

Wed 11/12

6:10 am-2:05 pm

2 stops21h 55m

$917

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 12/5

7:00 am-11:25 am

1 stop14h 25m

Portland

Fri 12/12

1:25 pm-2:05 pm

1 stop14h 40m

$988

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 12/5

6:10 am-12:37 am

3 stops28h 27m

Portland

Fri 12/12

4:02 pm-10:45 pm

2 stops20h 43m

$1,186

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 11/7

7:55 am-10:36 pm

2 stops24h 41m

Portland

Wed 11/12

7:00 am-6:20 pm

3 stops25h 20m

$1,275

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 12/5

6:05 am-5:00 pm

3 stops20h 55m

Portland

Fri 12/12

3:15 pm-10:15 am

3 stops33h 00m

$1,502

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Wed 12/3

11:15 am-7:53 pm

3 stops42h 38m

$422

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Sat 11/8

10:30 pm-10:22 am

3 stops45h 52m

$520

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Wed 11/5

8:55 pm-10:35 am

3 stops47h 40m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 17 results
1
2

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, May is the cheapest month in which you can book a flight from Sofia to State of Washington (average of $778). Flying from Sofia to State of Washington in July is currently the most expensive (average of $864). 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.

What is the cheapest time of day to fly from SOF to WA?

Find hourly flight availability from Sofia to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 23, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Sofia to State of Washington by exploring options for tickets in the evening.

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 October 23, 2025.
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
4,022 reviews

Comfort

7.3

Entertainment

7.4

Crew

7.7

Boarding

7.3

Food

7.4

Overall

7.3

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.
Turkish Airlines
7.3
Good
4,022 reviews
Turkish Airlines
7.3
Good
4,022 reviews

Comfort

7.3

Entertainment

7.4

Crew

7.7

Boarding

7.3

Food

7.4

Overall

7.3

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.
Lufthansa
6.8
Okay
7,514 reviews
Turkish Airlines
7.3
Good
4,022 reviews

Comfort

7.3

Entertainment

7.4

Crew

7.7

Boarding

7.3

Food

7.4

Overall

7.3

Reviews

1 / 20
4.0
Okay

Leslie,Feb 2025

IST - LAX

Food and staff were nice but difficulty with WIFI, console sound not working. X-cover insurance a scam. Denying purchase of insurance even with proof. Ridiculous.

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 14h 25m. 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, May is the cheapest month in which you can book a flight from Sofia to State of Washington (average of $778). Flying from Sofia to State of Washington in July is currently the most expensive (average of $864). 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

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Alternative routes for Sofia to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$791Average$876FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$844Average$939FlexibilityNo cancel feeOn-time77%

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