$508+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — SEA
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Sofia to Seattle with Cheapflights
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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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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 September 7, 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 7, 2026.
This Trip.com deal was found by Cheapflights users on 9/7. 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.
Mon 11/26:00 am -
2 stops45h 00m
Sun 11/152:35 pm -
2 stops24h 50m
Deal found 9/7![Multiple Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/256:00 am -
1 stop21h 05m
Sat 11/76:55 pm -
1 stop16h 40m
Deal found 9/4![Multiple Airlines logo]()
$734
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 11/146:00 am -
1 stop20h 50m
Sat 4/249:30 pm -
1 stop19h 25m
Deal found 9/3![Multiple Airlines logo]()
$755
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/510:25 pm -
1 stop25h 20m
Sun 10/187:00 pm -
2 stops17h 00m
Deal found 9/6![Multiple Airlines logo]()
$778
This Mytrip deal was found by Cheapflights users on 9/6. 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 10/2110:55 am -
3 stops35h 25m
Wed 10/283:15 pm -
3 stops34h 30m
Deal found 9/6![Multiple Airlines logo]()
$840
This Mytrip deal was found by Cheapflights users on 9/6. 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.
Tue 10/204:05 pm -
3 stops35h 50m
Tue 10/273:35 pm -
3 stops26h 25m
Deal found 9/6![Multiple Airlines logo]()
$854
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 7, 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 7, 2026.
This Trip.com deal was found by Cheapflights users on 9/7. 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.
Mon 11/26:00 am -
2 stops45h 00m
Sun 11/152:35 pm -
2 stops24h 50m
Deal found 9/7![Multiple Airlines logo]()
$623
This Turkish Airlines deal was found by Cheapflights users on 9/6. 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 10/223:50 pm -
1 stop35h 30m
Fri 10/3010:50 am -
2 stops25h 05m
Deal found 9/6![Turkish Airlines logo]()
$1,009
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 11/146:00 am -
1 stop20h 50m
Sat 4/249:30 pm -
1 stop19h 25m
Deal found 9/3![Multiple Airlines logo]()
$755
This Mytrip deal was found by Cheapflights users on 9/4. 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 10/2512:45 pm -
2 stops33h 15m
Sat 11/77:45 am -
3 stops30h 45m
Deal found 9/4![Multiple Airlines logo]()
$879
This Justfly.com deal was found by Cheapflights users on 9/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:45 pm -
2 stops48h 57m
Tue 11/1011:05 am -
2 stops40h 45m
Deal found 9/5![Multiple Airlines logo]()
$908
Last-minute flights from Sofia to SeattleDiscover last-minute flight deals from Sofia to Seattle. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Sofia to Seattle. Data last updated September 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/510:25 pm -
1 stop25h 20m
Sun 10/187:00 pm -
2 stops17h 00m
Deal found 9/6![Multiple Airlines logo]()
$778
This Mytrip deal was found by Cheapflights users on 9/6. 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.
Tue 10/204:05 pm -
3 stops35h 50m
Tue 10/273:35 pm -
3 stops26h 25m
Deal found 9/6![Multiple Airlines logo]()
$854
This Mytrip deal was found by Cheapflights users on 9/6. 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 10/2110:55 am -
3 stops35h 25m
Wed 10/283:15 pm -
3 stops34h 30m
Deal found 9/6![Multiple Airlines logo]()
$840
This Justfly.com deal was found by Cheapflights users on 9/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:45 pm -
2 stops48h 57m
Tue 11/1011:05 am -
2 stops40h 45m
Deal found 9/5![Multiple Airlines logo]()
$908
This Mytrip deal was found by Cheapflights users on 9/5. 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.
Thu 10/223:50 pm -
1 stop35h 30m
Tue 11/1010:50 am -
2 stops36h 00m
Deal found 9/5![Turkish Airlines logo]()
$965
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/256:00 am -
1 stop21h 05m
Sat 11/76:55 pm -
1 stop16h 40m
Deal found 9/4![Multiple Airlines logo]()
$734
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 7, 2026.
Search for one-way flight options from Sofia to Seattle. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/410:20 pm -
2 stops49h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/167:30 am -
3 stops57h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$529
This Ovago deal was found by Cheapflights users on 9/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:25 am -
1 stop17h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/144:40 pm -
3 stops36h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$613
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/1511:25 pm -
3 stops44h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/172:10 pm -
3 stops39h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$633
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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $734 (Kiwi.com) |
One-way from | $508 (Kiwi.com) |
Popular in | July |
Cheapest in | March |
Average price | $1,054 |
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 7, 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
Wed 9/16
5:45 am-6:45 pm
2 stops47h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$532
Quickest round-trip
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Sun 9/13
6:25 am-2:00 pm
1 stop17h 35m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$537
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Sun 10/4
10:25 pm-1:45 pm
3 stops49h 20m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$608
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Mon 11/2
6:00 am-5:00 pm
2 stops45h 00m
Seattle/Tacoma Intl
Sun 11/15
2:35 pm-1:25 am
2 stops24h 50m
$623
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Thu 9/17
2:10 pm-7:49 pm
3 stops39h 39m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$633
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Sat 11/14
6:00 am-4:50 pm
1 stop20h 50m
Seattle/Tacoma Intl
Sat 4/24
9:30 pm-2:55 am
1 stop19h 25m
$755
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Mon 9/14
7:00 am-9:40 am
2 stops36h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$775
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Sat 10/3
9:10 pm-12:20 pm
2 stops25h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$857
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Sun 10/25
12:45 pm-1:00 pm
2 stops33h 15m
Seattle/Tacoma Intl
Sat 11/7
7:45 am-12:30 am
3 stops30h 45m
$879
SofiaSeattle
SOF Sofia - SEA Seattle/Tacoma Intl
SOFSEA
Sofia
Fri 10/2
7:00 am-5:55 pm
2 stops20h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 am
Nonstop0h 00m
$881
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 September 7, 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
Boarding
7.3
Comfort
7.3
Food
7.5
Crew
7.8
Overall
7.4
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
Entertainment
7.5
Boarding
7.3
Comfort
7.3
Food
7.5
Crew
7.8
Overall
7.4
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
Entertainment
7.5
Boarding
7.3
Comfort
7.3
Food
7.5
Crew
7.8
Overall
7.4
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 7, 2026.
Popular flight searches
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Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$854 | Average$952 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$906 | Average$1,014 | FlexibilityNo cancel fee | On-time76% |