$457+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SEA
Sep 14 — Sep 211
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
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Best
Last-minute
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 August 15, 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 August 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Thu 10/16:00 am -
1 stop23h 00m
Wed 10/143:40 pm -
2 stops22h 40m
Deal found 8/12![Multiple Airlines logo]()
$829
This Bravofly deal was found by Cheapflights users on 8/14. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:10 pm -
2 stops35h 46m
Wed 10/1410:42 am -
2 stops39h 03m
Deal found 8/14![Turkish Airlines logo]()
$899
This Gotogate deal was found by Cheapflights users on 8/14. 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.
Thu 10/16:30 am -
1 stop15h 50m
Wed 10/146:50 pm -
1 stop18h 25m
Deal found 8/14![Lufthansa logo]()
$986
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 August 15, 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 August 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Thu 10/16:00 pm -
1 stop35h 00m
Wed 10/147:00 pm -
2 stops19h 20m
Deal found 8/14![Multiple Airlines logo]()
$855
This Turkish Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 10/19:10 pm -
2 stops35h 46m
Wed 10/1410:42 am -
2 stops42h 18m
Deal found 8/14![Turkish Airlines logo]()
$927
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:30 am -
1 stop15h 25m
Mon 11/301:50 pm -
1 stop13h 35m
Deal found 8/13![Lufthansa logo]()
$1,025
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 10/16:30 am -
1 stop15h 50m
Wed 10/146:50 pm -
1 stop18h 25m
Deal found 8/14![United Airlines logo]()
$1,032
This Gotogate deal was found by Cheapflights users on 8/13. 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.
Thu 9/176:30 am -
2 stops26h 17m
Mon 11/301:50 pm -
1 stop23h 10m
Deal found 8/13![Multiple Airlines logo]()
$1,013
This Lufthansa deal was found by Cheapflights users on 8/12. 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 9/116:20 am -
1 stop15h 35m
Fri 9/186:50 pm -
1 stop18h 25m
Deal found 8/12![Lufthansa logo]()
$1,033
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:30 am -
1 stop15h 25m
Wed 9/306:50 pm -
1 stop18h 25m
Deal found 8/13![United Airlines logo]()
$1,033
Last-minute flights from Sofia to SeattleDiscover last-minute flight deals from Sofia to Seattle. Data last updated August 15, 2026 and is based on user searches.
Discover last-minute flight deals from Sofia to Seattle. Data last updated August 15, 2026 and is based on user searches.
This Lufthansa deal was found by Cheapflights users on 8/12. 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 9/116:20 am -
1 stop15h 35m
Fri 9/186:50 pm -
1 stop18h 25m
Deal found 8/12![Lufthansa logo]()
$1,033
This Gotogate deal was found by Cheapflights users on 8/13. 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.
Thu 9/176:30 am -
2 stops26h 17m
Mon 11/301:50 pm -
1 stop23h 10m
Deal found 8/13![Multiple Airlines logo]()
$1,013
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:30 am -
1 stop15h 25m
Mon 11/301:50 pm -
1 stop13h 35m
Deal found 8/13![Lufthansa logo]()
$1,025
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:30 am -
1 stop15h 25m
Wed 9/301:19 pm -
2 stops23h 56m
Deal found 8/13![United Airlines logo]()
$1,038
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:30 am -
2 stops22h 02m
Wed 9/308:00 am -
2 stops24h 05m
Deal found 8/13![Multiple Airlines logo]()
$1,042
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 August 15, 2026.
Search for one-way flight options from Sofia to Seattle. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Tue 10/611:45 pm -
3 stops27h 25m
Deal found 8/10![Multiple Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Wed 10/71:10 pm -
2 stops38h 00m
Deal found 8/10![Multiple Airlines logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 10/51:10 pm -
2 stops38h 00m
Deal found 8/10![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Thu 9/36:35 pm -
3 stops36h 25m
Deal found 8/13![Multiple Airlines logo]()
$515
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sat 9/54:50 pm -
3 stops50h 50m
Deal found 8/13![Multiple Airlines logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Fri 9/46:30 am -
3 stops46h 15m
Deal found 8/13![Multiple Airlines logo]()
$528
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Sat 10/35:45 am -
2 stops24h 55m
Deal found 8/10![Multiple Airlines logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 9/111:45 pm -
3 stops53h 00m
Deal found 8/13![Multiple Airlines logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Thu 10/12:40 pm -
3 stops37h 15m
Deal found 8/10![Multiple Airlines logo]()
$549
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 August 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $829 (Kiwi.com) |
One-way from | $457 (Kiwi.com) |
Popular in | July |
Cheapest in | March |
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 August 15, 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
Thu 10/1
6:00 pm-7:00 pm
1 stop35h 00m
Seattle/Tacoma Intl
Wed 10/14
7:00 pm-12:20 am
2 stops19h 20m
$855
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Thu 10/1
9:10 pm-10:56 pm
2 stops35h 46m
Seattle/Tacoma Intl
Wed 10/14
10:42 am-3:00 pm
2 stops42h 18m
$927
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Thu 9/17
6:30 am-10:47 pm
2 stops26h 17m
Seattle/Tacoma Intl
Mon 11/30
1:50 pm-11:00 pm
1 stop23h 10m
$1,013
Quickest round-trip
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Thu 9/17
6:30 am-11:55 am
1 stop15h 25m
Seattle/Tacoma Intl
Mon 11/30
1:50 pm-1:25 pm
1 stop13h 35m
$1,025
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Thu 10/1
6:30 am-12:20 pm
1 stop15h 50m
Seattle/Tacoma Intl
Wed 10/14
6:50 pm-11:15 pm
1 stop18h 25m
$1,032
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Fri 9/11
6:20 am-11:55 am
1 stop15h 35m
Seattle/Tacoma Intl
Fri 9/18
6:50 pm-11:15 pm
1 stop18h 25m
$1,033
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Thu 9/17
6:30 am-11:55 am
1 stop15h 25m
Seattle/Tacoma Intl
Wed 9/30
6:50 pm-11:15 pm
1 stop18h 25m
$1,033
Cheapest one-way
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Mon 10/5
1:10 pm-5:10 pm
2 stops38h 00m
$483
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Tue 9/1
11:45 pm-6:45 pm
3 stops53h 00m
$545
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Thu 10/1
2:40 pm-5:55 pm
3 stops37h 15m
$549
Showing 1-10 of 16 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.
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 August 15, 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.
Entertainment
7.5
Crew
7.8
Food
7.5
Overall
7.4
Boarding
7.3
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
Entertainment
7.5
Crew
7.8
Food
7.5
Overall
7.4
Boarding
7.3
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
Entertainment
7.5
Crew
7.8
Food
7.5
Overall
7.4
Boarding
7.3
Comfort
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
Lynnwood
Tumwater
Centralia
Puyallup
Marysville
Kent
Ellensburg
Fife
Ocean Shores
Lakewood
Poulsbo
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Sofia and Seattle flights
Browse other Sofia and Seattle flight options. Last updated on August 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 August 15, 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 2,558,603 searches. Data last updated August 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$854 | Average$953 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$862 | Average$950 | FlexibilityNo cancel fee | On-time76% |