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$730+ Cheap flights from Sofia (SOF) to Seattle (SEA)

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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Find cheap flights from Sofia to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Sofia to Seattle/Tacoma Intl are usually found in February or June, booked 7 days in advance, depart on a Sunday or Tuesday and return on a Saturday

Cheap flight deals from Sofia to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data 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 Seattle/Tacoma Intl
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One-way flight from Sofia to Seattle/Tacoma Intl
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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 Seattle

Cheapest flights from Sofia to Seattle
Explore the most affordable flight options available from Sofia to Seattle. 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 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 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 Seattle 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 Seattle that are best for you.

Fly from

Sofia

Fly to

Seattle

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

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

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Sat 10/4

6:00 am-7:31 pm

2 stops47h 31m

Seattle/Tacoma Intl

Thu 12/4

7:30 am-6:10 pm

2 stops24h 40m

$2,926

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Sun 8/10

6:10 pm-3:05 pm

1 stop30h 55m

$730

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Thu 7/17

8:00 am-6:58 pm

2 stops20h 58m

$848

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Sun 8/10

6:20 am-11:10 am

2 stops38h 50m

$881

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

Sun 8/10

6:00 am-11:55 am

2 stops15h 55m

$882

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 11 results
1
2

Compare providers for flights from Sofia to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sofia to Seattle in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sofia-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sofia-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sofia-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sofia-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sofia-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sofia to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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 Seattle

How far ahead should I book a flight from Sofia to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Sofia to Seattle. Price data was last updated on April 25, 2025.

The best time to book flights from Sofia to Seattle is 7 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Sofia to Seattle?

Currently, January is the cheapest month in which you can book a flight from Sofia to Seattle (average of $238). Flying from Sofia to Seattle 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 SEA?

Find hourly flight availability from Sofia to Seattle. 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.

A simple way to save on the total cost of your ticket is to fly from Sofia to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle 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 Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated April 30, 2025.
Austrian Airlines
7.6
Good
780 reviews

Entertainment

6.7

Boarding

7.6

Comfort

7.3

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
780 reviews
Austrian Airlines
7.6
Good
780 reviews

Entertainment

6.7

Boarding

7.6

Comfort

7.3

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Air France
7.4
Good
1,446 reviews
Austrian Airlines
7.6
Good
780 reviews

Entertainment

6.7

Boarding

7.6

Comfort

7.3

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
United Airlines
7.4
Good
8,696 reviews
Austrian Airlines
7.6
Good
780 reviews

Entertainment

6.7

Boarding

7.6

Comfort

7.3

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Turkish Airlines
7.3
Good
3,788 reviews
Austrian Airlines
7.6
Good
780 reviews

Entertainment

6.7

Boarding

7.6

Comfort

7.3

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Air Canada
7.0
Good
9,242 reviews
Austrian Airlines
7.6
Good
780 reviews

Entertainment

6.7

Boarding

7.6

Comfort

7.3

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Related info for your journey

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

  • What are the cheapest airlines flying from Sofia to Seattle round-trip?

    Currently priced at $792, Air France will fly you from Sofia to Seattle and back. In addition to Air France, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and United Airlines - these airlines can fly you to your destination from $880 and $910, respectively. Air France is priced at 13% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Sofia to Seattle one-way?

    To fly one-way, consider booking your trip with Austrian Airlines, which is currently one of the cheapest options available, starting at $848. United Airlines flights start at $881 while deals on Lufthansa start at $882 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sofia to Seattle 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 Seattle?

    Currently, January is the cheapest month in which you can book a flight from Sofia to Seattle (average of $238). Flying from Sofia to Seattle 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

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Lynnwood
Aberdeen
Shelton
Silverdale
Redmond
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sofia to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Sofia to Portland flights

Top 3 airlines flying from Sofia to Seattle

Discover the top 3 airlines that operate flights from Sofia to Seattle. 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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