$256+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Bulgaria with Cheapflights
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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 June 23, 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 June 23, 2026.
This oojo deal was found by Cheapflights users on 6/21. 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 10/206:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Tue 11/107:05 pm
SOF
- SEA
1 stop27h 55m
Lufthansa
Deal found 6/21![Lufthansa logo]()
$734
This Justfly.com deal was found by Cheapflights users on 6/21. 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 10/201:56 pm
SEA
- SOF
2 stops18h 44m
Multiple Airlines
Tue 11/106:25 am
SOF
- SEA
2 stops21h 57m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$743
This oojo deal was found by Cheapflights users on 6/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Fri 10/96:20 am
SOF
- SEA
1 stop16h 00m
Lufthansa
Deal found 6/19![Lufthansa logo]()
$758
This Gotogate deal was found by Cheapflights users on 6/19. 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.
Tue 10/66:50 pm
SEA
- SOF
1 stop13h 50m
Multiple Airlines
Fri 10/96:10 am
SOF
- SEA
2 stops26h 32m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$764
This Turkish Airlines deal was found by Cheapflights users on 6/23. 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.
Mon 8/317:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Fri 9/1112:35 pm
SOF
- SEA
1 stop32h 05m
Turkish Airlines
Deal found 6/23![Turkish Airlines logo]()
$767
This oojo deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:50 pm
SEA
- SOF
1 stop17h 30m
Lufthansa
Sun 11/156:25 am
SOF
- SEA
1 stop15h 35m
Lufthansa
Deal found 6/22![Lufthansa logo]()
$769
This Gotogate deal was found by Cheapflights users on 6/19. 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.
Tue 10/67:20 pm
SEA
- SOF
2 stops36h 45m
Air Canada
Fri 10/96:10 am
SOF
- SEA
2 stops26h 32m
Air Canada
Deal found 6/19![Air Canada logo]()
$778
This Gotogate deal was found by Cheapflights users on 6/21. 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 11/110:10 am
SEA
- SOF
2 stops22h 10m
Multiple Airlines
Sun 11/156:25 am
SOF
- SEA
1 stop15h 35m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$779
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Tue 10/611:13 pm
SEA
- SOF
2 stops26h 57m
United Airlines
Fri 10/92:10 pm
SOF
- SEA
3 stops34h 39m
United Airlines
Deal found 6/19![United Airlines logo]()
$780
This Justfly.com deal was found by Cheapflights users on 6/20. 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 10/207:00 am
SEA
- VAR
2 stops22h 15m
Multiple Airlines
Tue 11/105:40 pm
VAR
- SEA
2 stops34h 42m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$784
This Booking.com deal was found by Cheapflights users on 6/20. 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.
Tue 8/187:15 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Thu 9/249:10 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 6/20![Turkish Airlines logo]()
$789
This FlightHub deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:50 pm
SEA
- SOF
1 stop21h 55m
Multiple Airlines
Sun 11/156:25 am
SOF
- SEA
2 stops21h 57m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$794
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 June 23, 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 June 23, 2026.
This Turkish Airlines deal was found by Cheapflights users on 6/23. 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.
Mon 8/317:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Fri 9/1112:35 pm
SOF
- SEA
1 stop32h 05m
Turkish Airlines
Deal found 6/23![Turkish Airlines logo]()
$767
This Gotogate deal was found by Cheapflights users on 6/21. 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 11/110:10 am
SEA
- SOF
2 stops22h 10m
Multiple Airlines
Sun 11/156:25 am
SOF
- SEA
1 stop15h 35m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$779
This FlightHub deal was found by Cheapflights users on 6/20. 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
Lufthansa
Tue 9/226:10 am
SOF
- SEA
2 stops18h 12m
Lufthansa
Deal found 6/20![Lufthansa logo]()
$818
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:54 pm
SEA
- SOF
2 stops21h 21m
United Airlines
Tue 9/226:10 am
SOF
- SEA
2 stops18h 12m
United Airlines
Deal found 6/23![United Airlines logo]()
$829
This KAYAK deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:00 am
SEA
- BOJ
2 stops41h 35m
Austrian Airlines
Tue 10/131:05 pm
BOJ
- SEA
2 stops41h 32m
Austrian Airlines
Deal found 6/22![Austrian Airlines logo]()
$895
This United deal was found by Cheapflights users on 6/20. 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.
Tue 10/207:00 am
SEA
- VAR
2 stops22h 15m
Multiple Airlines
Tue 11/105:40 pm
VAR
- SEA
3 stops39h 36m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$802
This Turkish Airlines deal was found by Cheapflights users on 6/20. 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 10/207:15 pm
SEA
- VAR
1 stop16h 05m
Turkish Airlines
Tue 11/1010:05 am
VAR
- SEA
1 stop17h 05m
Turkish Airlines
Deal found 6/20![Turkish Airlines logo]()
$817
This United Airlines deal was found by Cheapflights users on 6/21. 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 8/28:57 am
SEA
- SOF
2 stops28h 18m
United Airlines
Thu 9/36:30 am
SOF
- SEA
1 stop15h 25m
United Airlines
Deal found 6/21![United Airlines logo]()
$829
This FlightHub deal was found by Cheapflights users on 6/23. 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 8/26:50 pm
SEA
- VAR
2 stops34h 25m
Lufthansa
Tue 9/154:00 pm
VAR
- SEA
2 stops29h 55m
Lufthansa
Deal found 6/23![Lufthansa logo]()
$867
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:54 pm
SEA
- SOF
2 stops21h 21m
United Airlines
Wed 9/236:20 am
SOF
- SEA
2 stops26h 22m
United Airlines
Deal found 6/21![United Airlines logo]()
$829
This KAYAK deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:00 am
SEA
- BOJ
2 stops41h 35m
Austrian Airlines
Fri 10/91:05 pm
BOJ
- SEA
2 stops39h 47m
Austrian Airlines
Deal found 6/22![Austrian Airlines logo]()
$955
This KAYAK deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:50 pm
SEA
- BOJ
2 stops27h 35m
Lufthansa
Tue 10/137:05 pm
BOJ
- SEA
1 stop27h 15m
Lufthansa
Deal found 6/22![Lufthansa logo]()
$908
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 6/22![United Airlines logo]()
$829
This KAYAK deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:50 pm
SEA
- BOJ
2 stops31h 30m
Multiple Airlines
Sun 10/119:10 am
BOJ
- SEA
2 stops19h 22m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$913
This Turkish Airlines deal was found by Cheapflights users on 6/23. 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
- VAR
1 stop27h 15m
Turkish Airlines
Tue 9/159:20 am
VAR
- SEA
1 stop18h 00m
Turkish Airlines
Deal found 6/23![Turkish Airlines logo]()
$965
This United Airlines deal was found by Cheapflights users on 6/21. 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 8/27:00 am
SEA
- SOF
2 stops30h 15m
United Airlines
Wed 9/26:20 am
SOF
- SEA
2 stops24h 25m
United Airlines
Deal found 6/21![United Airlines logo]()
$839
This KAYAK deal was found by Cheapflights users on 6/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:50 pm
SEA
- VAR
2 stops32h 00m
Lufthansa
Mon 8/248:20 pm
VAR
- SEA
2 stops30h 39m
Lufthansa
Deal found 6/19![Lufthansa logo]()
$932
This KAYAK deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:50 pm
SEA
- BOJ
2 stops31h 30m
Multiple Airlines
Fri 10/161:05 pm
BOJ
- SEA
2 stops41h 59m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$936
This oojo deal was found by Cheapflights users on 6/20. 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 7/2012:35 pm
SEA
- VAR
1 stop33h 55m
Turkish Airlines
Mon 7/279:20 am
VAR
- SEA
1 stop18h 00m
Turkish Airlines
Deal found 6/20![Turkish Airlines logo]()
$1,005
This FlightHub deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:00 am
SEA
- BOJ
2 stops19h 20m
Multiple Airlines
Sun 10/119:10 am
BOJ
- SEA
1 stop37h 10m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$939
This Turkish Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 9/1910:10 pm
VAR
- SEA
1 stop29h 10m
Turkish Airlines
Deal found 6/22![Turkish Airlines logo]()
$1,010
This KAYAK deal was found by Cheapflights users on 6/20. 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 7/312:10 pm
SEA
- BOJ
1 stop32h 15m
Lufthansa
Tue 8/187:05 pm
BOJ
- SEA
1 stop26h 50m
Lufthansa
Deal found 6/20![Lufthansa logo]()
$1,032
This United deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:50 pm
SEA
- VAR
1 stop28h 10m
Multiple Airlines
Sun 9/209:40 am
VAR
- SEA
1 stop36h 15m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$996
This KAYAK deal was found by Cheapflights users on 6/21. 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.
Sun 8/22:10 pm
SEA
- BOJ
2 stops59h 35m
Lufthansa
Tue 9/157:05 pm
BOJ
- SEA
1 stop26h 50m
Lufthansa
Deal found 6/21![Lufthansa logo]()
$1,050
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated June 23, 2026 and is based on user searches.
This Turkish Airlines deal was found by Cheapflights users on 6/19. 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.
Mon 7/612:35 pm
SEA
- VAR
1 stop33h 55m
Turkish Airlines
Sun 7/269:20 am
VAR
- SEA
1 stop35h 20m
Turkish Airlines
Deal found 6/19![Turkish Airlines logo]()
$1,023
This Booking.com deal was found by Cheapflights users on 6/20. 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 7/137:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Mon 7/203:50 pm
SOF
- SEA
1 stop35h 30m
Turkish Airlines
Deal found 6/20![Turkish Airlines logo]()
$901
This oojo deal was found by Cheapflights users on 6/20. 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 7/2012:35 pm
SEA
- VAR
1 stop33h 55m
Turkish Airlines
Mon 7/279:20 am
VAR
- SEA
1 stop18h 00m
Turkish Airlines
Deal found 6/20![Turkish Airlines logo]()
$1,005
This oojo deal was found by Cheapflights users on 6/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/292:10 pm
SEA
- SOF
1 stop17h 55m
Lufthansa
Sat 8/157:25 pm
SOF
- SEA
1 stop31h 34m
Lufthansa
Deal found 6/19![Lufthansa logo]()
$891
This KAYAK deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:50 pm
SEA
- BOJ
2 stops51h 35m
Lufthansa
Wed 8/1912:35 pm
BOJ
- SEA
1 stop14h 24m
Lufthansa
Deal found 6/22![Lufthansa logo]()
$1,062
This KAYAK deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:50 pm
SEA
- BOJ
2 stops51h 35m
Lufthansa
Tue 8/187:05 pm
BOJ
- SEA
1 stop26h 50m
Lufthansa
Deal found 6/22![Lufthansa logo]()
$1,080
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:00 am
SEA
- SOF
2 stops32h 15m
United Airlines
Thu 9/36:30 am
SOF
- SEA
1 stop15h 25m
United Airlines
Deal found 6/21![United Airlines logo]()
$879
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:00 am
SEA
- SOF
2 stops32h 15m
United Airlines
Tue 9/16:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 6/21![United Airlines logo]()
$880
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:10 pm
SEA
- SOF
1 stop22h 20m
United Airlines
Wed 9/26:20 am
SOF
- SEA
1 stop15h 35m
United Airlines
Deal found 6/21![United Airlines logo]()
$886
This KAYAK deal was found by Cheapflights users on 6/21. 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 7/312:10 pm
SEA
- SOF
1 stop22h 20m
Lufthansa
Mon 8/317:25 pm
SOF
- SEA
1 stop31h 34m
Lufthansa
Deal found 6/21![Lufthansa logo]()
$902
This KAYAK deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:50 pm
SEA
- BOJ
2 stops27h 35m
Lufthansa
Wed 8/1912:35 pm
BOJ
- SEA
1 stop14h 24m
Lufthansa
Deal found 6/22![Lufthansa logo]()
$953
This KAYAK deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:50 pm
SEA
- BOJ
2 stops27h 35m
Lufthansa
Tue 8/187:05 pm
BOJ
- SEA
1 stop26h 50m
Lufthansa
Deal found 6/22![Lufthansa logo]()
$971
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 June 23, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 8/1111:25 pm
SEA
- SOF
2 stops38h 55m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:25 pm
SEA
- VAR
3 stops51h 00m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Mon 7/207:00 pm
SEA
- VAR
3 stops42h 30m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$340
This oojo deal was found by Cheapflights users on 6/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:30 pm
SEA
- SOF
1 stop21h 00m
British Airways
Deal found 6/19![British Airways logo]()
$352
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Tue 10/611:13 pm
SEA
- SOF
2 stops33h 27m
United Airlines
Deal found 6/19![United Airlines logo]()
$359
This Trip.com deal was found by Cheapflights users on 6/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/93:40 pm
SEA
- SOF
2 stops21h 55m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:25 pm
SEA
- SOF
3 stops50h 20m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:25 pm
SEA
- BOJ
3 stops36h 20m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Tue 7/2111:25 pm
SEA
- VAR
2 stops37h 45m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$415
This oojo deal was found by Cheapflights users on 6/18. 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.
Tue 7/216:50 pm
SEA
- VAR
1 stop15h 55m
Lufthansa
Deal found 6/18![Lufthansa logo]()
$424
This oojo deal was found by Cheapflights users on 6/23. 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
Deal found 6/23![Lufthansa logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/31:30 pm
SEA
- SOF
3 stops34h 00m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$453
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 June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $734 (oojo) |
One-way from | $256 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $1,170 |
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 June 23, 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
Mon 8/31
7:15 pm-3:00 pm
1 stop33h 45m
Sofia
Fri 9/11
12:35 pm-10:40 am
1 stop32h 05m
$767
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 11/1
10:10 am-6:20 pm
2 stops22h 10m
Sofia
Sun 11/15
6:25 am-12:00 pm
1 stop15h 35m
$779
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Tue 10/20
7:00 am-3:15 pm
2 stops22h 15m
Varna
Tue 11/10
5:40 pm-11:16 pm
3 stops39h 36m
$802
Quickest round-trip
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Tue 10/20
7:15 pm-9:20 pm
1 stop16h 05m
Varna
Tue 11/10
10:05 am-5:10 pm
1 stop17h 05m
$817
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 9/6
6:50 pm-11:15 pm
1 stop18h 25m
Sofia
Tue 9/22
6:10 am-2:22 pm
2 stops18h 12m
$818
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 9/6
3:54 pm-11:15 pm
2 stops21h 21m
Sofia
Tue 9/22
6:10 am-2:22 pm
2 stops18h 12m
$829
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 8/2
8:57 am-11:15 pm
2 stops28h 18m
Sofia
Thu 9/3
6:30 am-11:55 am
1 stop15h 25m
$829
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 9/6
3:54 pm-11:15 pm
2 stops21h 21m
Sofia
Wed 9/23
6:20 am-10:42 pm
2 stops26h 22m
$829
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
$829
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 8/2
7:00 am-11:15 pm
2 stops30h 15m
Sofia
Wed 9/2
6:20 am-8:45 pm
2 stops24h 25m
$839
Showing 1-10 of 38 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
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-SOF
SEA-VAR
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 June 23, 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
Food
7.3
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Food
7.3
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Food
7.3
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Food
7.3
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Food
7.3
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Food
7.3
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
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
See prices for flight routes from nearby airports that may be better suited for you.
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 June 23, 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 June 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$908 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$541 | Average$902 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$571 | Average$855 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$885 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$884 | Average$897 | FlexibilityNo cancel fee | On-time78% |