$481+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Nov 19 — Nov 261
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 20, 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 20, 2026.
This Turkish Airlines deal was found by Cheapflights users on 10/18. 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.
Wed 12/27:05 pm -
1 stop34h 05m
Sun 12/69:45 pm -
1 stop29h 25m
Deal found 10/18![Turkish Airlines logo]()
$748
This Mytrip deal was found by Cheapflights users on 10/17. 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 12/12:35 pm -
3 stops35h 25m
Tue 12/84:00 pm -
3 stops35h 00m
Deal found 10/17![Multiple Airlines logo]()
$770
This deal was found by Cheapflights users on 10/15. 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.
Sat 12/267:05 pm -
1 stop15h 45m
Wed 1/139:30 am -
1 stop17h 40m
Deal found 10/15![Turkish Airlines logo]()
$774
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Tue 12/19:01 am -
2 stops27h 54m
Tue 12/86:25 am -
3 stops40h 57m
Deal found 10/17![United Airlines logo]()
$809
This Gotogate deal was found by Cheapflights users on 10/17. 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.
Wed 12/22:50 pm -
1 stop17h 30m
Sun 12/66:25 am -
2 stops25h 32m
Deal found 10/17![Multiple Airlines logo]()
$829
This deal was found by Cheapflights users on 10/15. 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.
Wed 12/237:05 pm -
1 stop15h 45m
Wed 1/139:30 am -
1 stop17h 40m
Deal found 10/15![Turkish Airlines logo]()
$830
This Gotogate deal was found by Cheapflights users on 10/19. 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 12/31:50 pm -
1 stop23h 10m
Thu 12/106:25 am -
2 stops21h 57m
Deal found 10/19![Multiple Airlines logo]()
$840
This Justfly.com deal was found by Cheapflights users on 10/19. 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.
Fri 11/277:00 am -
2 stops25h 20m
Fri 12/46:00 am -
1 stop17h 00m
Deal found 10/19![Lufthansa logo]()
$844
This Trip.com deal was found by Cheapflights users on 10/15. 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.
Sun 12/137:05 pm -
1 stop27h 45m
Fri 1/229:40 am -
1 stop17h 30m
Deal found 10/15![Turkish Airlines logo]()
$876
This Flightnetwork deal was found by Cheapflights users on 10/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/138:09 am -
2 stops21h 06m
Fri 1/224:00 pm -
2 stops39h 02m
Deal found 10/15![Austrian Airlines logo]()
$890
This Mytrip deal was found by Cheapflights users on 10/15. 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 12/132:50 pm -
2 stops38h 25m
Fri 1/224:00 pm -
3 stops35h 00m
Deal found 10/15![Multiple Airlines logo]()
$1,415
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 20, 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 20, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. 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 10/19![United Airlines logo]()
$721
This Turkish Airlines deal was found by Cheapflights users on 10/19. 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 12/37:05 pm -
1 stop27h 35m
Thu 12/109:45 pm -
1 stop29h 25m
Deal found 10/19![Turkish Airlines logo]()
$748
This Mytrip deal was found by Cheapflights users on 10/17. 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 12/12:35 pm -
3 stops35h 25m
Tue 12/84:00 pm -
3 stops35h 00m
Deal found 10/17![Multiple Airlines logo]()
$770
This United Airlines deal was found by Cheapflights users on 10/18. 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 4/1011:50 pm -
2 stops26h 20m
Fri 4/306:20 am -
1 stop15h 35m
Deal found 10/18![United Airlines logo]()
$721
This United Airlines deal was found by Cheapflights users on 10/18. 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 4/1110:40 pm -
2 stops27h 30m
Thu 4/296:20 am -
1 stop15h 35m
Deal found 10/18![United Airlines logo]()
$721
This Turkish Airlines deal was found by Cheapflights users on 10/19. 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 10/19![Turkish Airlines logo]()
$818
This United Airlines deal was found by Cheapflights users on 10/18. 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 4/1011:50 pm -
2 stops26h 20m
Thu 4/296:20 am -
1 stop15h 35m
Deal found 10/18![United Airlines logo]()
$721
This United Airlines deal was found by Cheapflights users on 10/18. 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 4/1212:46 pm -
2 stops24h 14m
Fri 4/306:20 am -
1 stop15h 35m
Deal found 10/18![United Airlines logo]()
$721
This Trip.com deal was found by Cheapflights users on 10/15. 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.
Sun 12/137:05 pm -
1 stop27h 45m
Fri 1/229:40 am -
1 stop17h 30m
Deal found 10/15![Turkish Airlines logo]()
$876
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Tue 12/19:01 am -
2 stops27h 54m
Tue 12/86:25 am -
3 stops40h 57m
Deal found 10/17![United Airlines logo]()
$809
This Turkish Airlines deal was found by Cheapflights users on 10/19. 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 4/187:15 pm -
1 stop16h 05m
Wed 4/2110:10 pm -
1 stop29h 10m
Deal found 10/19![Turkish Airlines logo]()
$1,142
This Mytrip deal was found by Cheapflights users on 10/15. 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 12/132:50 pm -
2 stops38h 25m
Fri 1/224:00 pm -
3 stops35h 00m
Deal found 10/15![Multiple Airlines logo]()
$1,415
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated October 20, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 10/16. 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.
Mon 10/197:15 pm -
1 stop33h 45m
Tue 3/164:00 pm -
1 stop35h 10m
Deal found 10/16![Turkish Airlines logo]()
$911
This FlightHub deal was found by Cheapflights users on 10/16. 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 10/197:00 am -
2 stops19h 10m
Tue 3/166:25 am -
2 stops24h 30m
Deal found 10/16![Multiple Airlines logo]()
$947
This Air Canada deal was found by Cheapflights users on 10/16. 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.
Mon 10/197:55 am -
2 stops18h 15m
Tue 3/166:25 am -
3 stops24h 30m
Deal found 10/16![Air Canada logo]()
$970
This United deal was found by Cheapflights users on 10/15. 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.
Sat 11/2111:17 pm -
2 stops27h 58m
Sun 11/297:00 pm -
1 stop27h 00m
Deal found 10/15![Multiple Airlines logo]()
$968
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/2111:17 pm -
2 stops27h 58m
Sun 11/296:00 am -
2 stops40h 00m
Deal found 10/15![United Airlines logo]()
$994
This Turkish Airlines deal was found by Cheapflights users on 10/19. 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 11/277:05 pm -
1 stop27h 35m
Fri 12/49:45 pm -
1 stop29h 25m
Deal found 10/19![Turkish Airlines logo]()
$748
This Justfly.com deal was found by Cheapflights users on 10/19. 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.
Fri 11/277:00 am -
2 stops25h 20m
Fri 12/46:00 am -
1 stop17h 00m
Deal found 10/19![Lufthansa logo]()
$844
This Air Canada deal was found by Cheapflights users on 10/19. 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.
Fri 11/277:45 am -
2 stops19h 40m
Fri 12/46:00 am -
3 stops18h 37m
Deal found 10/19![Air Canada logo]()
$931
This Mytrip deal was found by Cheapflights users on 10/19. 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.
Fri 11/272:35 pm -
3 stops23h 20m
Fri 12/44:05 pm -
3 stops34h 55m
Deal found 10/19![Multiple Airlines logo]()
$1,018
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 20, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 11/72:20 pm -
3 stops34h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 11/62:35 pm -
3 stops37h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$529
This deal was found by Cheapflights users on 10/17. 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.
Tue 12/86:45 pm -
1 stop15h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![British Airways logo]()
$575
This oojo deal was found by Cheapflights users on 10/17. 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 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Turkish Airlines logo]()
$577
This oojo deal was found by Cheapflights users on 10/16. 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 10/16![Lufthansa logo]()
$578
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/47:00 am -
2 stops29h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$589
This deal was found by Cheapflights users on 10/15. 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.
Tue 12/156:45 pm -
1 stop15h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![British Airways logo]()
$603
This FlightHub deal was found by Cheapflights users on 10/18. 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.
Sat 11/71:40 pm -
1 stop18h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![British Airways logo]()
$604
This deal was found by Cheapflights users on 10/17. 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.
Thu 12/106:45 pm -
1 stop14h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![British Airways logo]()
$625
This oojo deal was found by Cheapflights users on 10/18. 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.
Fri 11/68:05 pm -
1 stop14h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Turkish Airlines logo]()
$647
This Air Canada deal was found by Cheapflights users on 10/19. 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 10/19![Air Canada logo]()
$649
This deal was found by Cheapflights users on 10/17. 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.
Sat 12/127:05 pm -
1 stop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Turkish Airlines logo]()
$764
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 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $695 (Expedia) |
One-way from | $481 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $779 |
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 20, 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
SeattleVarna
SEA Seattle/Tacoma Intl - VAR Varna
SEAVAR
Seattle/Tacoma Intl
Fri 11/6
2:35 pm-1:45 pm
3 stops37h 10m
Varna
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$529
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Tue 12/8
6:45 pm-8:10 pm
1 stop15h 25m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$575
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Wed 11/4
8:05 pm-8:55 pm
1 stop14h 50m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$577
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
7:00 am-10:55 pm
2 stops29h 55m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$589
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Mon 12/7
7:05 pm-8:55 pm
1 stop15h 50m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$589
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Tue 12/15
6:45 pm-8:10 pm
1 stop15h 25m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$603
Quickest round-trip
SeattleVarna
SEA Seattle/Tacoma Intl - VAR Varna
SEAVAR
Seattle/Tacoma Intl
Fri 11/6
8:05 pm-8:50 pm
1 stop14h 45m
Varna
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$647
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
Sat 4/10
11:50 pm-12:10 pm
2 stops26h 20m
Sofia
Fri 4/30
6:20 am-11:55 am
1 stop15h 35m
$721
Showing 1-10 of 20 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 20, 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.
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Crew
8.4
Food
7.4
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Crew
8.4
Food
7.4
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Crew
8.4
Food
7.4
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Crew
8.4
Food
7.4
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Crew
8.4
Food
7.4
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Boarding
7.8
Comfort
7.7
Crew
8.4
Food
7.4
Overall
7.8
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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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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$909 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$541 | Average$916 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$596 | Average$885 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$830 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$884 | Average$897 | FlexibilityNo cancel fee | On-time78% |