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$730+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SEA
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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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 April 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$792
(Air France)

One-way from

$730
(Booking.com)

Popular in

July

Cheapest in

February

Average price

$887
Provider with most accurate pricing for Sofia-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Sofia-Seattle/Tacoma Intl flights.
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From Sofia to Washington
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One-way flight from Sofia to Washington
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Highest demand for flights based on searches. 3% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 30, 2025.

This Air France deal was found by Cheapflights users on 4/28. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/117:00 amSOF - SEA
1 stop20h 30mAir France
Mon 7/141:30 pmSEA - SOF
1 stop14h 30mAir France
Deal found 4/28$792
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 9/216:20 amSOF - PDX
2 stops26h 36mUnited Airlines
Fri 3/611:07 amPDX - SOF
2 stops25h 18mUnited Airlines
Deal found 4/29$847
This Lufthansa deal was found by Cheapflights users on 4/28. 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.
Fri 7/116:15 amSOF - SEA
2 stops24h 33mLufthansa
Sun 7/202:20 pmSEA - SOF
1 stop22h 30mLufthansa
Deal found 4/28$880
This FlightHub deal was found by Cheapflights users on 4/28. 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.
Wed 6/1112:00 pmSOF - SEA
2 stops32h 51mMultiple Airlines
Mon 7/144:25 pmSEA - SOF
2 stops33h 35mMultiple Airlines
Deal found 4/28$906
This United Airlines deal was found by Cheapflights users on 4/28. 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 7/111:50 pmSOF - SEA
2 stops21h 06mUnited Airlines
Sun 7/206:50 pmSEA - SOF
2 stops18h 00mUnited Airlines
Deal found 4/28$910
This FlightHub deal was found by Cheapflights users on 4/28. 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 7/119:25 amSOF - SEA
1 stop17h 50mTurkish Airlines
Sun 7/207:10 pmSEA - SOF
1 stop15h 15mTurkish Airlines
Deal found 4/28$926
This OneTravel deal was found by Cheapflights users on 4/29. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/219:10 pmSOF - PDX
1 stop30h 25mBritish Airways
Fri 3/611:59 pmPDX - SOF
2 stops54h 21mBritish Airways
Deal found 4/29$937
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Sun 9/216:20 amSOF - PDX
2 stops22h 26mAir Canada
Fri 3/610:10 amPDX - SOF
3 stops21h 40mAir Canada
Deal found 4/29$978
This Justfly.com deal was found by Cheapflights users on 4/28. 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 5/128:00 pmSOF - PDX
1 stop31h 35mMultiple Airlines
Sun 5/189:30 amPDX - SOF
2 stops23h 40mMultiple Airlines
Deal found 4/28$995
This KLM deal was found by Cheapflights users on 4/28. 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.
Mon 5/127:00 amSOF - PDX
1 stop14h 20mKLM
Sun 5/181:15 pmPDX - SOF
1 stop14h 45mKLM
Deal found 4/28$1,090
This Air Canada deal was found by Cheapflights users on 4/27. 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.
Sat 10/46:00 amSOF - SEA
2 stops47h 31mAir Canada
Fri 11/287:30 amSEA - SOF
2 stops24h 40mAir Canada
Deal found 4/27$2,926

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 April 30, 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 6/11

7:00 am-5:30 pm

1 stop20h 30m

Seattle/Tacoma Intl

Mon 7/14

1:30 pm-2:00 pm

1 stop14h 30m

$792

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Sun 9/21

6:20 am-10:56 pm

2 stops26h 36m

Portland

Fri 3/6

11:07 am-10:25 pm

2 stops25h 18m

$847

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Fri 7/11

6:15 am-8:48 pm

2 stops24h 33m

Seattle/Tacoma Intl

Sun 7/20

2:20 pm-10:50 pm

1 stop22h 30m

$880

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Wed 6/11

12:00 pm-10:51 am

2 stops32h 51m

Seattle/Tacoma Intl

Mon 7/14

4:25 pm-12:00 pm

2 stops33h 35m

$906

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Fri 7/11

1:50 pm-12:56 am

2 stops21h 06m

Seattle/Tacoma Intl

Sun 7/20

6:50 pm-10:50 pm

2 stops18h 00m

$910

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Fri 7/11

9:25 am-5:15 pm

1 stop17h 50m

Seattle/Tacoma Intl

Sun 7/20

7:10 pm-8:25 pm

1 stop15h 15m

$926

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Sun 9/21

9:10 pm-5:35 pm

1 stop30h 25m

Portland

Fri 3/6

11:59 pm-4:20 pm

2 stops54h 21m

$937

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Sun 9/21

6:20 am-6:46 pm

2 stops22h 26m

Portland

Fri 3/6

10:10 am-5:50 pm

3 stops21h 40m

$978

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Mon 5/12

8:00 pm-5:35 pm

1 stop31h 35m

Portland

Sun 5/18

9:30 am-7:10 pm

2 stops23h 40m

$995

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Mon 5/12

7:00 am-11:20 am

1 stop14h 20m

Portland

Sun 5/18

1:15 pm-2:00 pm

1 stop14h 45m

$1,090

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 19 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, January is the cheapest month in which you can book a flight from Sofia to State of Washington (average of $238). Flying from Sofia to State of Washington in July is currently the most expensive (average of $405). 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 April 30, 2025.

When flying from Sofia to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 April 30, 2025.
Get a feel of what it's like to fly with KLM, Austrian Airlines and Air France from Sofia to Washington by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,334 reviews

Comfort

7.7

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,334 reviews
KLM
7.8
Good
1,334 reviews

Comfort

7.7

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
780 reviews
KLM
7.8
Good
1,334 reviews

Comfort

7.7

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,446 reviews
KLM
7.8
Good
1,334 reviews

Comfort

7.7

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,696 reviews
KLM
7.8
Good
1,334 reviews

Comfort

7.7

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Turkish Airlines
7.3
Good
3,788 reviews
KLM
7.8
Good
1,334 reviews

Comfort

7.7

Crew

8.4

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

  • What are the cheapest airlines to fly from Sofia to State of Washington one-way?

    The cheapest airline one-way is Austrian Airlines, with whom users have recently found tickets for as low as $848. However, be on the lookout for offers from United Airlines and Lufthansa, as they are both options that can get you from Sofia to State of Washington for a low price.

  • 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, January is the cheapest month in which you can book a flight from Sofia to State of Washington (average of $238). Flying from Sofia to State of Washington in July is currently the most expensive (average of $405). 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 3 airlines flying from Sofia to Washington

Discover the top 3 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$791Average$873FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$795Average$838FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$800Average$943FlexibilityNo cancel feeOn-time77%

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