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$746+ Cheap flights from Sofia (SOF) to Washington

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SEA
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$746
(British Airways)

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
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($17 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 2, 2025.

This British Airways deal was found by Cheapflights users on 4/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/148:00 pmSOF - SEA
1 stop25h 10mBritish Airways
Tue 4/291:35 pmSEA - SOF
2 stops21h 05mBritish Airways
Deal found 4/1$746
This KLM deal was found by Cheapflights users on 3/31. 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.
Sun 6/157:00 amSOF - SEA
1 stop14h 40mMultiple Airlines
Thu 7/171:30 pmSEA - SOF
1 stop14h 30mMultiple Airlines
Deal found 3/31$750
This Air France deal was found by Cheapflights users on 4/1. 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
2 stops18h 55mAir France
Wed 7/161:30 pmSEA - SOF
1 stop14h 30mAir France
Deal found 4/1$771
This United Airlines deal was found by Cheapflights users on 4/1. 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 6/136:15 amSOF - SEA
2 stops24h 22mUnited Airlines
Tue 7/156:45 amSEA - SOF
2 stops25h 55mUnited Airlines
Deal found 4/1$806
This Gotogate deal was found by Cheapflights users on 3/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/212:45 pmSOF - SEA
1 stop14h 14mLufthansa
Wed 5/146:50 pmSEA - SOF
1 stop18h 10mLufthansa
Deal found 3/31$811
This Lufthansa deal was found by Cheapflights users on 4/1. 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.
Mon 4/146:00 amSOF - PDX
2 stops24h 09mLufthansa
Sun 4/207:00 amPDX - SOF
2 stops30h 00mLufthansa
Deal found 4/1$845
This SWISS deal was found by Cheapflights users on 4/1. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1410:50 amSOF - SEA
1 stop14h 00mSWISS
Mon 7/144:25 pmSEA - SOF
1 stop31h 40mSWISS
Deal found 4/1$855
This KLM deal was found by Cheapflights users on 4/1. 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 4/147:00 amSOF - PDX
1 stop14h 20mKLM
Sun 4/209:12 amPDX - SOF
2 stops18h 48mKLM
Deal found 4/1$859
This Air Canada deal was found by Cheapflights users on 3/31. 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 6/136:15 amSOF - SEA
2 stops24h 22mAir Canada
Sun 7/201:45 pmSEA - SOF
2 stops35h 30mAir Canada
Deal found 3/31$869
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Mon 4/145:45 amSOF - PDX
3 stops26h 25mMultiple Airlines
Sun 4/203:25 pmPDX - SOF
2 stops17h 15mMultiple Airlines
Deal found 4/1$1,733

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 2, 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

Mon 4/14

8:00 pm-11:10 am

1 stop25h 10m

Seattle/Tacoma Intl

Tue 4/29

1:35 pm-8:40 pm

2 stops21h 05m

$746

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Sun 6/15

7:00 am-11:40 am

1 stop14h 40m

Seattle/Tacoma Intl

Thu 7/17

1:30 pm-2:00 pm

1 stop14h 30m

$750

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Wed 6/11

7:00 am-5:30 pm

1 stop20h 30m

Seattle/Tacoma Intl

Wed 7/16

1:30 pm-2:00 pm

1 stop14h 30m

$758

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Fri 6/13

6:15 am-8:37 pm

2 stops24h 22m

Seattle/Tacoma Intl

Sun 7/20

6:50 pm-11:00 pm

1 stop18h 10m

$806

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Fri 5/2

12:45 pm-4:59 pm

1 stop14h 14m

Seattle/Tacoma Intl

Wed 5/14

6:50 pm-11:00 pm

1 stop18h 10m

$811

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Mon 4/14

6:00 am-8:09 pm

2 stops24h 09m

Portland

Sun 4/20

7:00 am-11:00 pm

2 stops30h 00m

$845

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Sat 6/14

10:50 am-2:50 pm

1 stop14h 00m

Seattle/Tacoma Intl

Mon 7/14

4:25 pm-10:05 am

1 stop31h 40m

$855

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Mon 4/14

7:00 am-11:20 am

1 stop14h 20m

Portland

Sun 4/20

9:12 am-2:00 pm

2 stops18h 48m

$859

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Fri 6/13

6:15 am-8:37 pm

2 stops24h 22m

Seattle/Tacoma Intl

Sun 7/20

1:45 pm-11:15 am

2 stops35h 30m

$869

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Mon 4/14

5:45 am-10:10 pm

3 stops26h 25m

Portland

Sun 4/20

3:25 pm-6:40 pm

2 stops17h 15m

$1,733

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 15 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 $411). 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 2, 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 2, 2025.
Get a feel of what it's like to fly with KLM, SWISS 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
1,323 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

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
1,323 reviews
KLM
7.8
Good
1,323 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

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.
SWISS
7.5
Good
1,572 reviews
KLM
7.8
Good
1,323 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

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
1,427 reviews
KLM
7.8
Good
1,323 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

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
8,615 reviews
KLM
7.8
Good
1,323 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

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
3,748 reviews
KLM
7.8
Good
1,323 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

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 Lufthansa, with whom users have recently found tickets for as low as $809. However, be on the lookout for offers from United Airlines and Turkish Airlines, 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 $411). 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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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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$791Average$882FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$795Average$857FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$800Average$935FlexibilityNo cancel feeOn-time77%

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