$529+ Cheap flights from Sofia (SOF) to Seattle (SEA)
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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SEA
Oct 13 — Oct 201
Round-trip
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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sofia to Seattle
Cheapest
Best
One-way
Cheapest flights from Sofia to SeattleExplore 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 September 13, 2026.
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 September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:20 am -
1 stop19h 40m
Sun 11/156:45 pm -
1 stop16h 50m
Deal found 9/13![Multiple Airlines logo]()
$729
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:45 pm -
2 stops30h 10m
Wed 1/202:50 pm -
1 stop17h 30m
Deal found 9/9![Multiple Airlines logo]()
$934
This Gotogate deal was found by Cheapflights users on 9/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:00 pm -
2 stops41h 07m
Sun 11/151:16 pm -
2 stops21h 34m
Deal found 9/13![Turkish Airlines logo]()
$952
This Turkish Airlines deal was found by Cheapflights users on 9/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:30 am -
2 stops23h 37m
Thu 1/1410:54 am -
2 stops35h 46m
Deal found 9/11![Turkish Airlines logo]()
$961
This Turkish Airlines deal was found by Cheapflights users on 9/9. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:40 am -
2 stops47h 27m
Wed 1/2010:54 am -
2 stops42h 16m
Deal found 9/9![Turkish Airlines logo]()
$964
Best flights from Sofia to SeattleDiscover carefully curated flight deals from Sofia to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Sofia to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:20 pm -
2 stops58h 20m
Sun 11/156:45 pm -
1 stop16h 50m
Deal found 9/13![Multiple Airlines logo]()
$937
This Gotogate deal was found by Cheapflights users on 9/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:00 pm -
2 stops41h 07m
Sun 11/151:16 pm -
2 stops21h 34m
Deal found 9/13![Turkish Airlines logo]()
$952
This British Airways deal was found by Cheapflights users on 9/9. 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 11/95:15 pm -
1 stop28h 10m
Thu 1/216:45 pm -
1 stop14h 35m
Deal found 9/9![British Airways logo]()
$1,019
This Lufthansa deal was found by Cheapflights users on 9/11. 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 11/126:25 am -
1 stop15h 35m
Wed 1/138:00 am -
2 stops19h 15m
Deal found 9/11![Lufthansa logo]()
$1,038
This Turkish Airlines deal was found by Cheapflights users on 9/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:30 am -
2 stops23h 37m
Mon 1/1110:54 am -
2 stops35h 46m
Deal found 9/11![Turkish Airlines logo]()
$961
This Turkish Airlines deal was found by Cheapflights users on 9/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:00 pm -
1 stop35h 10m
Thu 1/1410:54 am -
2 stops42h 16m
Deal found 9/11![Turkish Airlines logo]()
$1,002
This Turkish Airlines deal was found by Cheapflights users on 9/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:55 am -
1 stop15h 15m
Mon 1/1110:54 am -
2 stops35h 46m
Deal found 9/11![Turkish Airlines logo]()
$1,002
This Turkish Airlines deal was found by Cheapflights users on 9/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:55 am -
2 stops21h 25m
Fri 1/151:16 pm -
2 stops33h 24m
Deal found 9/11![Turkish Airlines logo]()
$1,008
One-way flights from Sofia to SeattleSearch for one-way flight options from Sofia to Seattle. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Sofia to Seattle. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 10/27:35 am -
2 stops36h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$529
This deal was found by Cheapflights users on 9/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:35 am -
1 stop17h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Turkish Airlines logo]()
$853
Find 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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $729 (Kiwi.com) |
One-way from | $529 (Kiwi.com) |
Popular in | September |
Cheapest in | March |
Average price | $1,199 |
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 7,457,451 searches. Data last updated September 13, 2026.
Use the filters below to find and compare flights from Sofia to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Fri 10/2
8:45 pm-8:40 pm
3 stops57h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$575
Quickest round-trip
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Fri 10/2
9:35 am-5:20 pm
1 stop17h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$853
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Mon 11/2
1:20 pm-1:40 pm
2 stops58h 20m
Seattle/Tacoma Intl
Sun 11/15
6:45 pm-9:35 pm
1 stop16h 50m
$937
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Mon 11/2
4:00 pm-11:07 pm
2 stops41h 07m
Seattle/Tacoma Intl
Sun 11/15
1:16 pm-8:50 pm
2 stops21h 34m
$952
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Mon 11/9
9:30 am-11:07 pm
2 stops23h 37m
Seattle/Tacoma Intl
Mon 1/11
10:54 am-8:40 am
2 stops35h 46m
$961
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Fri 10/2
8:00 am-8:37 pm
2 stops22h 37m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$966
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Tue 11/10
4:00 pm-5:10 pm
1 stop35h 10m
Seattle/Tacoma Intl
Thu 1/14
10:54 am-3:10 pm
2 stops42h 16m
$1,002
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Fri 11/13
11:55 am-5:10 pm
1 stop15h 15m
Seattle/Tacoma Intl
Mon 1/11
10:54 am-8:40 am
2 stops35h 46m
$1,002
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Fri 10/2
6:10 am-11:26 pm
3 stops27h 16m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$1,007
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Fri 11/13
11:55 am-11:20 pm
2 stops21h 25m
Seattle/Tacoma Intl
Fri 1/15
1:16 pm-8:40 am
2 stops33h 24m
$1,008
Showing 1-10 of 12 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Sofia-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sofia-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
SOF-SEA
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
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 September 13, 2026.
Read through reviews of airlines operating flights from Sofia to Seattle, such as Turkish Airlines and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Crew
7.8
Overall
7.4
Entertainment
7.5
Food
7.5
Boarding
7.3
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
Comfort
7.3
Crew
7.8
Overall
7.4
Entertainment
7.5
Food
7.5
Boarding
7.3
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
Comfort
7.3
Crew
7.8
Overall
7.4
Entertainment
7.5
Food
7.5
Boarding
7.3
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Sofia and Seattle flights
Browse other Sofia and Seattle flight options. Last updated on September 13, 2026.
Popular flight searches
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Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 13, 2026.
Top 2 airlines flying from Sofia to Seattle
Discover the top 2 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 7,457,451 searches. Data last updated September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$854 | Average$952 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$916 | Average$1,094 | FlexibilityNo cancel fee | On-time76% |