$385+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SEA
Sep 25 — Oct 21
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
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.Cheap flight deals from Sofia to Seattle
Cheapest
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 26, 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 26, 2026.
This Mytrip deal was found by Cheapflights users on 8/22. 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.
Sun 10/47:00 am -
2 stops23h 40m
Sat 10/173:40 pm -
2 stops17h 35m
Deal found 8/22![Multiple Airlines logo]()
$905
This Turkish Airlines deal was found by Cheapflights users on 8/25. 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 10/43:50 pm -
2 stops41h 03m
Sat 10/1710:42 am -
2 stops42h 18m
Deal found 8/25![Turkish Airlines logo]()
$937
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/246:30 am -
2 stops26h 17m
Fri 10/96:50 pm -
1 stop18h 25m
Deal found 8/26![United Airlines logo]()
$1,044
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/206:20 am -
2 stops22h 54m
Fri 10/96:50 pm -
1 stop18h 25m
Deal found 8/26![United Airlines logo]()
$1,049
This United Airlines deal was found by Cheapflights users on 8/24. 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 12/186:25 am -
2 stops26h 07m
Fri 1/18:38 am -
2 stops28h 17m
Deal found 8/24![United Airlines logo]()
$1,050
This Expedia deal was found by Cheapflights users on 8/22. 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 9/27:00 pm -
1 stop26h 55m
Sat 10/36:50 pm -
1 stop18h 25m
Deal found 8/22![Lufthansa logo]()
$1,065
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 26, 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 26, 2026.
This Mytrip deal was found by Cheapflights users on 8/22. 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.
Sun 10/47:00 am -
2 stops23h 40m
Sat 10/173:40 pm -
2 stops17h 35m
Deal found 8/22![Multiple Airlines logo]()
$905
This Turkish Airlines deal was found by Cheapflights users on 8/26. 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 10/43:50 pm -
2 stops41h 03m
Sat 10/1710:42 am -
2 stops42h 18m
Deal found 8/26![Turkish Airlines logo]()
$937
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Mon 9/216:20 am -
1 stop15h 35m
Fri 10/97:00 am -
2 stops30h 15m
Deal found 8/26![United Airlines logo]()
$1,044
This Lufthansa deal was found by Cheapflights users on 8/26. 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.
Wed 9/236:20 am -
1 stop15h 35m
Fri 10/96:50 pm -
1 stop18h 25m
Deal found 8/26![Lufthansa logo]()
$1,044
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/246:30 am -
2 stops26h 17m
Fri 10/99:05 am -
2 stops28h 10m
Deal found 8/26![United Airlines logo]()
$1,044
This United Airlines deal was found by Cheapflights users on 8/24. 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 12/186:25 am -
2 stops26h 07m
Fri 1/18:38 am -
2 stops28h 17m
Deal found 8/24![United Airlines logo]()
$1,050
Last-minute flights from Sofia to SeattleDiscover last-minute flight deals from Sofia to Seattle. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Sofia to Seattle. Data last updated August 26, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 8/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:10 am -
1 stop15h 45m
Sat 10/36:50 pm -
1 stop18h 25m
Deal found 8/22![Lufthansa logo]()
$1,092
This Expedia deal was found by Cheapflights users on 8/22. 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 9/27:00 pm -
1 stop26h 55m
Sat 10/36:50 pm -
1 stop18h 25m
Deal found 8/22![Lufthansa logo]()
$1,065
This FlightHub deal was found by Cheapflights users on 8/22. 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 9/27:00 pm -
1 stop26h 55m
Sun 10/47:15 pm -
2 stops41h 25m
Deal found 8/22![Lufthansa logo]()
$1,073
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Wed 9/212:55 pm -
2 stops33h 00m
Sat 10/39:05 am -
2 stops28h 10m
Deal found 8/22![United Airlines logo]()
$1,090
This Mytrip deal was found by Cheapflights users on 8/22. 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.
Wed 9/25:15 pm -
2 stops32h 45m
Sun 10/43:55 pm -
3 stops22h 55m
Deal found 8/22![Multiple Airlines logo]()
$1,153
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/206:20 am -
2 stops22h 54m
Fri 10/99:05 am -
2 stops28h 10m
Deal found 8/26![United Airlines logo]()
$1,049
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/246:30 am -
2 stops26h 17m
Fri 10/96:50 pm -
1 stop18h 25m
Deal found 8/26![United Airlines logo]()
$1,044
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Sat 9/266:20 am -
2 stops26h 37m
Fri 10/96:50 pm -
1 stop18h 25m
Deal found 8/26![United Airlines logo]()
$1,113
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 26, 2026.
Search for one-way flight options from Sofia to Seattle. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 10/72:40 pm -
3 stops57h 05m
Deal found 8/25![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 stops33h 05m
Deal found 8/25![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 8/22![Multiple Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/910:40 am -
3 stops57h 00m
Deal found 8/22![Multiple Airlines logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 8/22![Multiple Airlines logo]()
$506
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/115:15 pm -
3 stops50h 25m
Deal found 8/22![Multiple Airlines logo]()
$515
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Sun 10/46:45 pm -
3 stops57h 51m
Deal found 8/25![Multiple Airlines logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 10/87:20 pm -
3 stops57h 25m
Deal found 8/22![Multiple Airlines logo]()
$518
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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $905 (Mytrip) |
One-way from | $385 (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 7,457,451 searches. Data last updated August 26, 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
Sun 10/4
7:00 am-8:40 pm
2 stops23h 40m
Seattle/Tacoma Intl
Sat 10/17
3:40 pm-7:15 pm
2 stops17h 35m
$905
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Sun 10/4
3:50 pm-10:53 pm
2 stops41h 03m
Seattle/Tacoma Intl
Sat 10/17
10:42 am-3:00 pm
2 stops42h 18m
$937
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Mon 9/21
6:20 am-11:55 am
1 stop15h 35m
Seattle/Tacoma Intl
Fri 10/9
7:00 am-11:15 pm
2 stops30h 15m
$1,044
Quickest round-trip
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Wed 9/23
6:20 am-11:55 am
1 stop15h 35m
Seattle/Tacoma Intl
Fri 10/9
6:50 pm-11:15 pm
1 stop18h 25m
$1,044
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Thu 9/24
6:30 am-10:47 pm
2 stops26h 17m
Seattle/Tacoma Intl
Fri 10/9
9:05 am-11:15 pm
2 stops28h 10m
$1,044
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Fri 12/18
6:25 am-10:32 pm
2 stops26h 07m
Seattle/Tacoma Intl
Fri 1/1
8:38 am-10:55 pm
2 stops28h 17m
$1,050
Cheapest one-way
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Mon 10/5
1:10 pm-5:10 pm
2 stops38h 00m
$506
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Thu 10/1
12:15 pm-1:45 pm
2 stops35h 30m
$516
Quickest one-way
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Sun 10/4
6:25 am-2:00 pm
1 stop17h 35m
$540
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Thu 9/3
9:05 pm-4:00 pm
2 stops28h 55m
$683
Showing 1-10 of 13 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 26, 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.
Food
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Crew
7.8
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
Food
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Crew
7.8
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
Food
7.5
Comfort
7.3
Boarding
7.3
Overall
7.4
Crew
7.8
Entertainment
7.5
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
Tukwila
Olympia
Edmonds
Snoqualmie
Lynnwood
Centralia
Puyallup
Kent
Tumwater
Ellensburg
Marysville
Ocean Shores
Lakewood
Fife
Poulsbo
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Sofia and Seattle flights
Browse other Sofia and Seattle flight options. Last updated on August 26, 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 August 26, 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 August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$850 | Average$958 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$854 | Average$952 | FlexibilityNo cancel fee | On-time77% |