$389+ Cheap flights from Seattle (SEA) to Bulgaria
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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Nov 12 — Nov 191
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Bulgaria 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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Cheapest flights from Seattle to BulgariaExplore the most affordable flight options available from Seattle to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2026.
Explore the most affordable flight options available from Seattle to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2026.
This Turkish Airlines deal was found by Cheapflights users on 10/9. 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.
Thu 11/267:05 pm -
1 stop34h 05m
Wed 12/29:40 pm -
1 stop29h 30m
Deal found 10/9![Turkish Airlines logo]()
$788
This Gotogate deal was found by Cheapflights users on 10/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:05 pm -
1 stop15h 45m
Tue 11/244:00 pm -
1 stop35h 10m
Deal found 10/12![Turkish Airlines logo]()
$793
This FlightHub deal was found by Cheapflights users on 10/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm -
1 stop17h 30m
Thu 11/196:25 am -
1 stop15h 35m
Deal found 10/11![Lufthansa logo]()
$794
This Justfly.com deal was found by Cheapflights users on 10/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 am -
2 stops25h 20m
Tue 11/246:00 am -
2 stops22h 22m
Deal found 10/12![Multiple Airlines logo]()
$795
This FlightHub deal was found by Cheapflights users on 10/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm -
1 stop22h 05m
Fri 11/206:00 am -
1 stop17h 00m
Deal found 10/11![Lufthansa logo]()
$796
This FlightHub deal was found by Cheapflights users on 10/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm -
1 stop22h 05m
Thu 11/196:00 am -
2 stops25h 57m
Deal found 10/11![Multiple Airlines logo]()
$797
This FlightHub deal was found by Cheapflights users on 10/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm -
1 stop17h 30m
Wed 11/186:25 am -
2 stops22h 38m
Deal found 10/11![Lufthansa logo]()
$799
This British Airways deal was found by Cheapflights users on 10/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:45 pm -
1 stop15h 25m
Wed 11/189:05 pm -
1 stop24h 20m
Deal found 10/11![British Airways logo]()
$801
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:05 am -
2 stops31h 50m
Fri 11/206:00 am -
1 stop17h 00m
Deal found 10/11![United Airlines logo]()
$803
This FlightHub deal was found by Cheapflights users on 10/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:50 pm -
1 stop13h 35m
Wed 11/186:25 am -
1 stop15h 35m
Deal found 10/11![Lufthansa logo]()
$805
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm -
1 stop22h 05m
Wed 11/186:25 am -
3 stops26h 50m
Deal found 10/11![United Airlines logo]()
$807
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm -
1 stop22h 05m
Tue 11/172:00 pm -
1 stop33h 00m
Deal found 10/11![United Airlines logo]()
$809
Best flights from Seattle to BulgariaDiscover carefully curated flight deals from Seattle to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
Discover carefully curated flight deals from Seattle to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
This United Airlines deal was found by Cheapflights users on 10/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1710:52 am -
2 stops16h 23m
Thu 1/216:25 am -
1 stop15h 35m
Deal found 10/12![United Airlines logo]()
$721
This Turkish Airlines deal was found by Cheapflights users on 10/11. 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.
Thu 11/267:05 pm -
1 stop34h 05m
Wed 12/29:40 pm -
1 stop29h 30m
Deal found 10/11![Turkish Airlines logo]()
$788
This United deal was found by Cheapflights users on 10/11. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 am -
2 stops20h 15m
Thu 11/196:25 am -
1 stop15h 35m
Deal found 10/11![Multiple Airlines logo]()
$801
This Justfly.com deal was found by Cheapflights users on 10/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 am -
2 stops25h 20m
Tue 11/247:05 pm -
1 stop27h 55m
Deal found 10/12![Lufthansa logo]()
$805
This Expedia deal was found by Cheapflights users on 10/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:09 am -
2 stops21h 06m
Tue 11/174:00 pm -
2 stops38h 56m
Deal found 10/12![Austrian Airlines logo]()
$848
This Turkish Airlines deal was found by Cheapflights users on 10/12. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:05 pm -
1 stop15h 45m
Thu 4/19:10 pm -
1 stop30h 10m
Deal found 10/12![Turkish Airlines logo]()
$805
This Expedia deal was found by Cheapflights users on 10/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/258:40 am -
2 stops24h 40m
Sun 4/46:20 am -
2 stops22h 03m
Deal found 10/12![Multiple Airlines logo]()
$816
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:09 am -
2 stops19h 06m
Wed 12/22:00 pm -
3 stops57h 22m
Deal found 10/11![United Airlines logo]()
$871
This United deal was found by Cheapflights users on 10/12. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:35 pm -
3 stops31h 50m
Tue 11/246:00 am -
2 stops25h 57m
Deal found 10/12![Multiple Airlines logo]()
$818
This Turkish Airlines deal was found by Cheapflights users on 10/12. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/177:05 pm -
1 stop27h 35m
Thu 1/214:00 pm -
1 stop35h 10m
Deal found 10/12![Turkish Airlines logo]()
$818
This Expedia deal was found by Cheapflights users on 10/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:09 am -
2 stops21h 06m
Tue 11/175:40 pm -
1 stop28h 20m
Deal found 10/12![Multiple Airlines logo]()
$853
This Expedia deal was found by Cheapflights users on 10/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:09 am -
2 stops21h 06m
Tue 12/15:40 pm -
1 stop28h 20m
Deal found 10/10![Multiple Airlines logo]()
$1,032
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated October 13, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated October 13, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm -
1 stop22h 05m
Wed 11/186:25 am -
1 stop15h 35m
Deal found 10/11![Lufthansa logo]()
$794
This FlightHub deal was found by Cheapflights users on 10/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm -
1 stop22h 05m
Fri 11/206:00 am -
1 stop17h 00m
Deal found 10/11![Lufthansa logo]()
$796
This FlightHub deal was found by Cheapflights users on 10/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm -
1 stop22h 05m
Thu 11/196:00 am -
2 stops25h 57m
Deal found 10/11![Multiple Airlines logo]()
$797
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:05 am -
2 stops31h 50m
Fri 11/206:00 am -
1 stop17h 00m
Deal found 10/11![United Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm -
1 stop22h 05m
Wed 11/186:25 am -
3 stops26h 50m
Deal found 10/11![United Airlines logo]()
$807
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm -
1 stop22h 05m
Tue 11/172:00 pm -
1 stop33h 00m
Deal found 10/11![United Airlines logo]()
$809
This Gotogate deal was found by Cheapflights users on 10/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:05 pm -
1 stop15h 45m
Tue 11/244:00 pm -
1 stop35h 10m
Deal found 10/12![Turkish Airlines logo]()
$793
This Justfly.com deal was found by Cheapflights users on 10/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 am -
2 stops25h 20m
Tue 11/246:00 am -
2 stops22h 22m
Deal found 10/12![Multiple Airlines logo]()
$795
This FlightHub deal was found by Cheapflights users on 10/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:50 pm -
1 stop13h 35m
Wed 11/186:25 am -
1 stop15h 35m
Deal found 10/11![Lufthansa logo]()
$805
This British Airways deal was found by Cheapflights users on 10/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:45 pm -
1 stop15h 25m
Wed 11/189:05 pm -
1 stop24h 20m
Deal found 10/11![British Airways logo]()
$801
This Expedia deal was found by Cheapflights users on 10/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:09 am -
2 stops21h 06m
Tue 11/174:00 pm -
2 stops38h 56m
Deal found 10/12![Austrian Airlines logo]()
$848
This Turkish Airlines deal was found by Cheapflights users on 10/9. 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.
Thu 11/267:05 pm -
1 stop34h 05m
Wed 12/29:40 pm -
1 stop29h 30m
Deal found 10/9![Turkish Airlines logo]()
$788
One-way flights from Seattle to BulgariaSearch for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated October 13, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated October 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:10 pm -
2 stops55h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 10/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:10 pm -
3 stops27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$407
This FlightHub deal was found by Cheapflights users on 10/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:12 am -
2 stops28h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![British Airways logo]()
$560
This Booking.com deal was found by Cheapflights users on 10/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:50 pm -
1 stop13h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Lufthansa logo]()
$576
This oojo deal was found by Cheapflights users on 10/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:50 pm -
1 stop17h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Lufthansa logo]()
$578
This oojo deal was found by Cheapflights users on 10/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:05 pm -
1 stop14h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Turkish Airlines logo]()
$582
This United Airlines deal was found by Cheapflights users on 10/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:50 pm -
1 stop22h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![United Airlines logo]()
$585
This Air Canada deal was found by Cheapflights users on 10/8. 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.
Wed 11/47:05 pm -
3 stops32h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Air Canada logo]()
$649
Find flight deals from Seattle to Bulgaria
Keep the following information in mind while searching for Seattle to Bulgaria flight deals. Data was last updated October 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $716 (FlightHub) |
One-way from | $389 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $739 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Bulgaria 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 October 13, 2026.
Use the filters below to find and compare flights from Seattle to Bulgaria that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sun 10/18
7:00 pm-9:40 am
3 stops52h 40m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$389
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Tue 10/20
6:12 am-8:30 pm
2 stops28h 18m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$560
Quickest round-trip
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sun 10/18
6:50 pm-6:40 pm
1 stop13h 50m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$576
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Wed 11/4
2:50 pm-6:20 pm
1 stop17h 30m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$578
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Wed 11/4
8:05 pm-8:50 pm
1 stop14h 45m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$582
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Wed 11/4
2:50 pm-10:55 pm
1 stop22h 05m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$585
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sun 1/17
10:52 am-1:15 pm
2 stops16h 23m
Sofia
Thu 1/21
6:25 am-12:00 pm
1 stop15h 35m
$721
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Thu 11/26
7:05 pm-3:10 pm
1 stop34h 05m
Sofia
Wed 12/2
9:40 pm-5:10 pm
1 stop29h 30m
$788
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Mon 11/9
7:00 am-1:15 pm
2 stops20h 15m
Sofia
Thu 11/19
6:25 am-12:00 pm
1 stop15h 35m
$801
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Mon 11/9
7:00 am-6:20 pm
2 stops25h 20m
Sofia
Tue 11/24
7:05 pm-1:00 pm
1 stop27h 55m
$805
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from Seattle to Bulgaria
Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Seattle with our price prediction graph.
SEA-SOF
SEA-VAR
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 Seattle to Bulgaria
SEA-BG0
SEA-SOF
SEA-VAR
What is the cheapest month to book a flight from Seattle to Bulgaria?
Currently, January is the cheapest month in which you can book a flight from Seattle to Bulgaria (average of $615). Flying from Seattle to Bulgaria in June is currently the most expensive (average of $1,147). 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.
How far ahead should I book a flight from Seattle to Bulgaria?
Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Bulgaria. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Bulgaria
Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated October 13, 2026.
Read reviews from past customers who have flown KLM,Austrian Airlines, andTurkish Airlines from Seattle to Bulgaria. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Boarding
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Overall
7.8
Boarding
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Overall
7.8
Boarding
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Overall
7.8
Boarding
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Overall
7.8
Boarding
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Overall
7.8
Boarding
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Related info for your journey
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Alternative routes for Seattle to Bulgaria
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Complete your trip
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Search flights from Seattle to Bulgaria by cabin class
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Seattle and Bulgaria flights
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Top 5 airlines flying from Seattle to Bulgaria
Discover the top 5 airlines that operate flights from Seattle to Bulgaria. 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 October 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$909 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$540 | Average$915 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$596 | Average$884 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$830 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$884 | Average$897 | FlexibilityNo cancel fee | On-time78% |