$354+ Cheap flights from Seattle (SEA) to Bulgaria
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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Aug 10 — Aug 171
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
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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 July 11, 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 July 11, 2026.
This Turkish Airlines deal was found by Cheapflights users on 7/9. 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.
Tue 8/187:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Thu 9/249:10 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 7/9![Turkish Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm
SEA
- SOF
1 stop21h 55m
United Airlines
Thu 11/126:25 am
SOF
- SEA
1 stop15h 35m
United Airlines
Deal found 7/7![United Airlines logo]()
$746
This oojo deal was found by Cheapflights users on 7/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Wed 8/196:20 am
SOF
- SEA
1 stop15h 35m
Lufthansa
Deal found 7/7![Lufthansa logo]()
$787
This Gotogate deal was found by Cheapflights users on 7/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:15 pm
SEA
- SOF
1 stop27h 30m
Turkish Airlines
Mon 10/129:35 am
SOF
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 7/7![Turkish Airlines logo]()
$793
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/52:10 pm
SEA
- SOF
1 stop13h 15m
Lufthansa
Tue 8/256:10 am
SOF
- SEA
2 stops15h 45m
Lufthansa
Deal found 7/8![Lufthansa logo]()
$796
This oojo deal was found by Cheapflights users on 7/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Wed 8/196:20 am
SOF
- SEA
1 stop15h 35m
Lufthansa
Deal found 7/8![Lufthansa logo]()
$798
This FlightHub deal was found by Cheapflights users on 7/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:15 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Sun 9/139:10 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 7/10![Turkish Airlines logo]()
$799
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:40 am
SEA
- SOF
2 stops39h 35m
Multiple Airlines
Mon 8/317:25 pm
SOF
- SEA
1 stop31h 34m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$801
This Mytrip deal was found by Cheapflights users on 7/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:40 pm
SEA
- SOF
2 stops23h 55m
Multiple Airlines
Mon 10/129:10 pm
SOF
- SEA
3 stops33h 30m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$802
This Justfly.com deal was found by Cheapflights users on 7/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- VAR
1 stop15h 55m
Multiple Airlines
Tue 8/259:10 pm
VAR
- SEA
2 stops35h 33m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$813
This KAYAK deal was found by Cheapflights users on 7/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:40 am
SEA
- VAR
2 stops23h 30m
SWISS
Tue 8/259:10 pm
VAR
- SEA
2 stops35h 33m
SWISS
Deal found 7/6![SWISS logo]()
$826
This KAYAK deal was found by Cheapflights users on 7/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- VAR
1 stop15h 55m
Lufthansa
Mon 8/248:20 pm
VAR
- SEA
1 stop25h 35m
Lufthansa
Deal found 7/6![Lufthansa logo]()
$832
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 July 11, 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 July 11, 2026.
This Turkish Airlines deal was found by Cheapflights users on 7/10. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:15 pm
SEA
- SOF
1 stop27h 30m
Turkish Airlines
Fri 9/113:50 pm
SOF
- SEA
1 stop28h 50m
Turkish Airlines
Deal found 7/10![Turkish Airlines logo]()
$739
This oojo deal was found by Cheapflights users on 7/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Thu 9/246:30 am
SOF
- SEA
2 stops22h 02m
Lufthansa
Deal found 7/6![Lufthansa logo]()
$807
This FlightHub deal was found by Cheapflights users on 7/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:50 pm
SEA
- SOF
1 stop18h 25m
Multiple Airlines
Tue 9/221:05 pm
SOF
- SEA
2 stops39h 27m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$819
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:54 pm
SEA
- SOF
2 stops21h 21m
United Airlines
Thu 9/246:30 am
SOF
- SEA
2 stops22h 02m
United Airlines
Deal found 7/6![United Airlines logo]()
$828
This KAYAK deal was found by Cheapflights users on 7/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:10 am
SEA
- BOJ
2 stops21h 05m
Austrian Airlines
Tue 10/61:05 pm
BOJ
- SEA
2 stops41h 32m
Austrian Airlines
Deal found 7/6![Austrian Airlines logo]()
$900
This Turkish Airlines deal was found by Cheapflights users on 7/10. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Tue 9/229:10 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 7/10![Turkish Airlines logo]()
$739
This Gotogate deal was found by Cheapflights users on 7/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:00 am
SEA
- SOF
2 stops19h 25m
Multiple Airlines
Wed 8/196:10 am
SOF
- SEA
2 stops15h 45m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$822
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:44 pm
SEA
- SOF
2 stops19h 56m
United Airlines
Fri 9/256:20 am
SOF
- SEA
1 stop15h 35m
United Airlines
Deal found 7/6![United Airlines logo]()
$828
This Turkish Airlines deal was found by Cheapflights users on 7/7. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Thu 9/249:10 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 7/7![Turkish Airlines logo]()
$767
This oojo deal was found by Cheapflights users on 7/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:10 pm
SEA
- VAR
1 stop32h 25m
Lufthansa
Tue 9/1511:45 am
VAR
- SEA
1 stop34h 10m
Lufthansa
Deal found 7/11![Lufthansa logo]()
$972
This oojo deal was found by Cheapflights users on 7/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:40 am
SEA
- VAR
2 stops23h 30m
Multiple Airlines
Mon 8/318:20 pm
VAR
- SEA
2 stops30h 39m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$910
This KAYAK deal was found by Cheapflights users on 7/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:50 pm
SEA
- BOJ
2 stops27h 35m
Lufthansa
Tue 10/67:05 pm
BOJ
- SEA
1 stop27h 15m
Lufthansa
Deal found 7/6![Lufthansa logo]()
$972
This Turkish Airlines deal was found by Cheapflights users on 7/7. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:15 pm
SEA
- VAR
1 stop27h 15m
Turkish Airlines
Sat 9/1910:00 am
VAR
- SEA
1 stop17h 20m
Turkish Airlines
Deal found 7/7![Turkish Airlines logo]()
$917
This KAYAK deal was found by Cheapflights users on 7/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:10 am
SEA
- BOJ
2 stops18h 10m
Austrian Airlines
Sat 9/1911:20 am
BOJ
- SEA
2 stops41h 54m
Austrian Airlines
Deal found 7/10![Austrian Airlines logo]()
$1,173
This United deal was found by Cheapflights users on 7/8. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/122:10 pm
SEA
- BOJ
2 stops15h 05m
Multiple Airlines
Wed 8/1912:35 pm
BOJ
- SEA
1 stop14h 24m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$981
This oojo deal was found by Cheapflights users on 7/10. 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.
Sat 9/56:50 pm
SEA
- VAR
1 stop30h 40m
Lufthansa
Sat 9/194:00 pm
VAR
- SEA
2 stops29h 55m
Lufthansa
Deal found 7/10![Lufthansa logo]()
$1,015
This United deal was found by Cheapflights users on 7/6. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:10 pm
SEA
- BOJ
3 stops60h 25m
Multiple Airlines
Sun 10/49:10 am
BOJ
- SEA
2 stops21h 27m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$1,008
This Turkish Airlines deal was found by Cheapflights users on 7/6. 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.
Wed 8/197:15 pm
SEA
- VAR
1 stop27h 15m
Turkish Airlines
Sat 8/2910:00 am
VAR
- SEA
1 stop17h 20m
Turkish Airlines
Deal found 7/6![Turkish Airlines logo]()
$1,075
This KAYAK deal was found by Cheapflights users on 7/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/62:10 pm
SEA
- BOJ
2 stops56h 55m
Lufthansa
Sun 8/169:50 am
BOJ
- SEA
2 stops60h 05m
Lufthansa
Deal found 7/8![Lufthansa logo]()
$1,148
This Turkish Airlines deal was found by Cheapflights users on 7/6. 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 8/207:15 pm
SEA
- VAR
1 stop27h 55m
Turkish Airlines
Sat 8/2910:00 am
VAR
- SEA
1 stop17h 20m
Turkish Airlines
Deal found 7/6![Turkish Airlines logo]()
$1,075
This Turkish Airlines deal was found by Cheapflights users on 7/6. 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.
Tue 8/187:15 pm
SEA
- VAR
1 stop16h 05m
Turkish Airlines
Sat 8/2910:00 am
VAR
- SEA
1 stop17h 20m
Turkish Airlines
Deal found 7/6![Turkish Airlines logo]()
$1,075
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 9/217:10 pm
SEA
- BOJ
1 stop17h 25m
Multiple Airlines
Mon 10/52:05 pm
BOJ
- SEA
2 stops33h 40m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$1,218
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:10 pm
SEA
- BOJ
1 stop30h 40m
Multiple Airlines
Mon 9/284:40 pm
BOJ
- SEA
2 stops34h 30m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,235
This United deal was found by Cheapflights users on 7/8. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:54 pm
SEA
- BOJ
2 stops51h 11m
Multiple Airlines
Fri 8/141:05 pm
BOJ
- SEA
2 stops32h 50m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$1,249
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated July 11, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated July 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/52:10 pm
SEA
- SOF
1 stop13h 15m
Lufthansa
Tue 8/256:10 am
SOF
- SEA
2 stops15h 45m
Lufthansa
Deal found 7/8![Lufthansa logo]()
$796
This oojo deal was found by Cheapflights users on 7/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Wed 8/196:20 am
SOF
- SEA
1 stop15h 35m
Lufthansa
Deal found 7/8![Lufthansa logo]()
$798
This Gotogate deal was found by Cheapflights users on 7/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:00 am
SEA
- SOF
2 stops19h 25m
Multiple Airlines
Wed 8/196:20 am
SOF
- SEA
1 stop15h 35m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$805
This oojo deal was found by Cheapflights users on 7/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Wed 8/196:20 am
SOF
- SEA
1 stop15h 35m
Lufthansa
Deal found 7/7![Lufthansa logo]()
$787
This Gotogate deal was found by Cheapflights users on 7/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:00 am
SEA
- SOF
2 stops18h 10m
Multiple Airlines
Wed 8/196:10 am
SOF
- SEA
2 stops15h 45m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$812
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:40 am
SEA
- SOF
2 stops39h 35m
Multiple Airlines
Mon 8/317:25 pm
SOF
- SEA
1 stop31h 34m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$801
This KAYAK deal was found by Cheapflights users on 7/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:40 am
SEA
- VAR
2 stops23h 30m
SWISS
Tue 8/259:10 pm
VAR
- SEA
2 stops35h 33m
SWISS
Deal found 7/6![SWISS logo]()
$826
This Turkish Airlines deal was found by Cheapflights users on 7/9. 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.
Tue 8/187:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Thu 9/249:10 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 7/9![Turkish Airlines logo]()
$739
This oojo deal was found by Cheapflights users on 7/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Thu 9/246:30 am
SOF
- SEA
2 stops22h 02m
Lufthansa
Deal found 7/6![Lufthansa logo]()
$807
This Justfly.com deal was found by Cheapflights users on 7/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- VAR
1 stop15h 55m
Multiple Airlines
Tue 8/259:10 pm
VAR
- SEA
2 stops35h 33m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$813
This KAYAK deal was found by Cheapflights users on 7/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- VAR
1 stop15h 55m
Lufthansa
Mon 8/248:20 pm
VAR
- SEA
1 stop25h 35m
Lufthansa
Deal found 7/6![Lufthansa logo]()
$832
This FlightHub deal was found by Cheapflights users on 7/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:15 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Sun 9/139:10 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 7/10![Turkish Airlines logo]()
$799
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 July 11, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated July 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 7/2011:25 pm
SEA
- VAR
3 stops51h 00m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Fri 9/187:00 pm
SEA
- BOJ
3 stops42h 45m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Wed 9/167:00 pm
SEA
- BOJ
3 stops41h 25m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:50 pm
SEA
- SOF
3 stops59h 40m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Thu 9/177:00 pm
SEA
- BOJ
3 stops39h 30m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$466
This Trip.com deal was found by Cheapflights users on 7/7. 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.
Sat 8/17:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Deal found 7/7![Turkish Airlines logo]()
$515
This Turkish Airlines deal was found by Cheapflights users on 7/7. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Deal found 7/7![Turkish Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:40 pm
SEA
- SOF
2 stops21h 55m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$529
This Justfly.com deal was found by Cheapflights users on 7/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:10 pm
SEA
- BOJ
1 stop17h 25m
Aer Lingus
Deal found 7/6![Aer Lingus logo]()
$536
This FlightHub deal was found by Cheapflights users on 7/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:35 pm
SEA
- VAR
1 stop33h 55m
Turkish Airlines
Deal found 7/8![Turkish Airlines logo]()
$634
This KAYAK deal was found by Cheapflights users on 7/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:00 pm
SEA
- VAR
2 stops58h 00m
Lufthansa
Deal found 7/8![Lufthansa logo]()
$747
This KAYAK deal was found by Cheapflights users on 7/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/112:35 pm
SEA
- VAR
1 stop33h 55m
Turkish Airlines
Deal found 7/10![Turkish Airlines logo]()
$754
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 July 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $739 (Turkish Airlines) |
One-way from | $354 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $914 |
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 2,558,603 searches. Data last updated July 11, 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 - SOF
SEASOF
Seattle/Tacoma Intl
Thu 8/27
7:15 pm-8:45 am
1 stop27h 30m
Sofia
Fri 9/11
3:50 pm-10:40 am
1 stop28h 50m
$739
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 9/6
7:15 pm-3:00 pm
1 stop33h 45m
Sofia
Tue 9/22
9:10 pm-5:20 pm
1 stop30h 10m
$739
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Tue 8/18
7:15 pm-3:00 pm
1 stop33h 45m
Sofia
Thu 9/24
9:10 pm-5:20 pm
1 stop30h 10m
$767
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Tue 8/18
6:50 pm-11:15 pm
1 stop18h 25m
Sofia
Thu 9/24
6:30 am-6:32 pm
2 stops22h 02m
$807
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 9/6
6:50 pm-11:15 pm
1 stop18h 25m
Sofia
Tue 9/22
1:05 pm-6:32 pm
2 stops39h 27m
$819
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Wed 8/5
8:00 am-1:25 pm
2 stops19h 25m
Sofia
Wed 8/19
6:10 am-11:55 am
2 stops15h 45m
$822
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Tue 8/18
3:54 pm-11:15 pm
2 stops21h 21m
Sofia
Thu 9/24
6:30 am-6:32 pm
2 stops22h 02m
$828
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Tue 9/8
12:44 pm-6:40 pm
2 stops19h 56m
Sofia
Fri 9/25
6:20 am-11:55 am
1 stop15h 35m
$828
SeattleBurgas
SEA - BOJ
SEABOJ
Seattle/Tacoma Intl
Wed 9/23
8:10 am-3:15 pm
2 stops21h 05m
Bourgas
Tue 10/6
1:05 pm-8:37 pm
2 stops41h 32m
$900
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Mon 8/24
10:40 am-8:10 pm
2 stops23h 30m
Varna
Mon 8/31
8:20 pm-4:59 pm
2 stops30h 39m
$910
Showing 1-10 of 36 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-VAR
SEA-SOF
SEA-BOJ
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-VAR
SEA-SOF
SEA-BOJ
What is the cheapest month to book a flight from Seattle to Bulgaria?
Currently, August is the cheapest month in which you can book a flight from Seattle to Bulgaria (average of $228). Flying from Seattle to Bulgaria in June is currently the most expensive (average of $716). 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 16 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 July 11, 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.
Crew
8.4
Overall
7.8
Comfort
7.7
Food
7.3
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Overall
7.8
Comfort
7.7
Food
7.3
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Overall
7.8
Comfort
7.7
Food
7.3
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Overall
7.8
Comfort
7.7
Food
7.3
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Overall
7.8
Comfort
7.7
Food
7.3
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Overall
7.8
Comfort
7.7
Food
7.3
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from Seattle to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Bulgaria
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Complete your trip
Complete your trip to Bulgaria by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Bulgaria by cabin class
Find flights from Seattle to Bulgaria, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Bulgaria flights
Browse other Seattle and Bulgaria flight options. Last updated on July 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Bulgaria flights
Consider these flights traveling from Seattle to Bulgaria.
Fly to Bulgaria regions
Consider these flights traveling to Bulgaria regions.
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 2,558,603 searches. Data last updated July 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$908 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$540 | Average$909 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$571 | Average$854 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$885 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$884 | Average$897 | FlexibilityNo cancel fee | On-time78% |