$282+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Jul 11 — Jul 181
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 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 June 11, 2026.
This oojo deal was found by Cheapflights users on 6/8. 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.
Sun 9/66:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Tue 9/226:10 am
SOF
- SEA
1 stop15h 45m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$748
This FlightHub deal was found by Cheapflights users on 6/7. 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 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 stop13h 50m
Multiple Airlines
Tue 9/2212:55 pm
SOF
- SEA
2 stops19h 47m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$766
This United Airlines deal was found by Cheapflights users on 6/8. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 am
SEA
- SOF
2 stops30h 15m
United Airlines
Tue 9/2212:55 pm
SOF
- SEA
1 stop14h 04m
United Airlines
Deal found 6/8![United Airlines logo]()
$770
This Justfly.com deal was found by Cheapflights users on 6/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:45 am
SEA
- SOF
2 stops26h 25m
Air Canada
Tue 9/226:10 am
SOF
- SEA
2 stops22h 22m
Air Canada
Deal found 6/8![Air Canada logo]()
$777
This FlightHub deal was found by Cheapflights users on 6/8. 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.
Sun 10/46:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Fri 10/96:20 am
SOF
- SEA
1 stop16h 00m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$781
This United Airlines deal was found by Cheapflights users on 6/8. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:50 pm
SEA
- SOF
1 stop18h 25m
United Airlines
Tue 10/136:10 am
SOF
- SEA
2 stops26h 32m
United Airlines
Deal found 6/8![United Airlines logo]()
$782
This Air Canada deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:00 pm
SEA
- SOF
2 stops17h 40m
Air Canada
Fri 10/96:10 am
SOF
- SEA
2 stops26h 32m
Air Canada
Deal found 6/8![Air Canada logo]()
$783
This United Airlines deal was found by Cheapflights users on 6/8. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:55 pm
SEA
- SOF
2 stops21h 20m
United Airlines
Fri 10/96:20 am
SOF
- SEA
1 stop16h 00m
United Airlines
Deal found 6/8![United Airlines logo]()
$787
This United Airlines deal was found by Cheapflights users on 6/8. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:50 pm
SEA
- SOF
1 stop13h 50m
United Airlines
Fri 10/96:20 am
SOF
- SEA
2 stops24h 17m
United Airlines
Deal found 6/8![United Airlines logo]()
$792
This United Airlines deal was found by Cheapflights users on 6/8. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:10 pm
SEA
- SOF
1 stop17h 50m
United Airlines
Tue 10/136:10 am
SOF
- SEA
1 stop16h 10m
United Airlines
Deal found 6/8![United Airlines logo]()
$795
This KAYAK deal was found by Cheapflights users on 6/8. 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.
Tue 10/66:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Thu 10/87:25 pm
SOF
- SEA
1 stop31h 34m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$798
This FlightHub deal was found by Cheapflights users on 6/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:00 pm
SEA
- VAR
2 stops19h 45m
Multiple Airlines
Tue 8/259:10 pm
VAR
- SEA
2 stops31h 22m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$799
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 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 June 11, 2026.
This oojo deal was found by Cheapflights users on 6/6. 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.
Sun 9/66:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Tue 9/226:10 am
SOF
- SEA
1 stop15h 45m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$748
This United Airlines deal was found by Cheapflights users on 6/8. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 am
SEA
- SOF
2 stops30h 15m
United Airlines
Tue 9/2212:55 pm
SOF
- SEA
1 stop14h 04m
United Airlines
Deal found 6/8![United Airlines logo]()
$770
This Turkish Airlines deal was found by Cheapflights users on 6/7. 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 8/117:15 pm
SEA
- VAR
1 stop16h 05m
Turkish Airlines
Sun 8/309:20 am
VAR
- SEA
1 stop35h 20m
Turkish Airlines
Deal found 6/7![Turkish Airlines logo]()
$878
This United deal was found by Cheapflights users on 6/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:10 pm
SEA
- VAR
2 stops15h 05m
Multiple Airlines
Wed 8/264:00 pm
VAR
- SEA
2 stops29h 55m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$893
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:03 am
SEA
- SOF
2 stops21h 37m
United Airlines
Tue 9/16:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 6/9![United Airlines logo]()
$830
This Lufthansa deal was found by Cheapflights users on 6/8. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Sun 9/66:20 am
SOF
- SEA
1 stop15h 35m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$834
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:00 am
SEA
- SOF
2 stops30h 15m
United Airlines
Fri 8/216:20 am
SOF
- SEA
2 stops25h 21m
United Airlines
Deal found 6/9![United Airlines logo]()
$838
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Sat 8/296:10 am
SOF
- SEA
1 stop20h 49m
Lufthansa
Deal found 6/10![Lufthansa logo]()
$863
This FlightHub deal was found by Cheapflights users on 6/8. 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.
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 6/8![Turkish Airlines logo]()
$1,003
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:40 pm
SEA
- SOF
2 stops21h 35m
United Airlines
Wed 8/266:10 am
SOF
- SEA
2 stops25h 48m
United Airlines
Deal found 6/9![United Airlines logo]()
$840
This United deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:50 pm
SEA
- BOJ
2 stops31h 30m
Multiple Airlines
Tue 9/17:05 pm
BOJ
- SEA
1 stop26h 50m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,019
This Lufthansa deal was found by Cheapflights users on 6/7. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:10 pm
SEA
- VAR
2 stops15h 05m
Lufthansa
Tue 8/2511:45 am
VAR
- SEA
1 stop34h 10m
Lufthansa
Deal found 6/7![Lufthansa logo]()
$913
This United deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/22:10 pm
SEA
- VAR
1 stop34h 50m
Multiple Airlines
Wed 9/91:35 pm
VAR
- SEA
2 stops32h 20m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,020
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:11 am
SEA
- SOF
2 stops30h 04m
United Airlines
Mon 9/142:20 pm
SOF
- SEA
2 stops38h 55m
United Airlines
Deal found 6/9![United Airlines logo]()
$859
This FlightHub deal was found by Cheapflights users on 6/8. 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.
Sat 9/512:35 pm
SEA
- VAR
1 stop33h 55m
Turkish Airlines
Sat 9/1910:00 am
VAR
- SEA
1 stop17h 20m
Turkish Airlines
Deal found 6/8![Turkish Airlines logo]()
$1,041
This FlightHub deal was found by Cheapflights users on 6/8. 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.
Sun 8/22:10 pm
SEA
- VAR
2 stops36h 40m
Lufthansa
Tue 9/1511:45 am
VAR
- SEA
1 stop34h 10m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$945
This United Airlines deal was found by Cheapflights users on 6/7. 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.
Thu 8/133:54 pm
SEA
- SOF
2 stops21h 21m
United Airlines
Thu 8/206:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 6/7![United Airlines logo]()
$863
This Lufthansa deal was found by Cheapflights users on 6/7. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:50 pm
SEA
- VAR
2 stops27h 45m
Lufthansa
Tue 8/2511:45 am
VAR
- SEA
1 stop34h 10m
Lufthansa
Deal found 6/7![Lufthansa logo]()
$946
This United Airlines deal was found by Cheapflights users on 6/10. 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 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
Thu 8/276:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 6/10![United Airlines logo]()
$887
This United Airlines deal was found by Cheapflights users on 6/8. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:10 am
SEA
- SOF
2 stops18h 00m
United Airlines
Sun 9/66:20 am
SOF
- SEA
1 stop15h 35m
United Airlines
Deal found 6/8![United Airlines logo]()
$890
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:10 pm
SEA
- BOJ
1 stop30h 30m
Multiple Airlines
Mon 8/242:55 pm
BOJ
- SEA
2 stops38h 00m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,315
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/22:10 pm
SEA
- VAR
1 stop19h 25m
Lufthansa
Mon 8/248:20 pm
VAR
- SEA
1 stop25h 35m
Lufthansa
Deal found 6/11![Lufthansa logo]()
$1,057
This FlightHub deal was found by Cheapflights users on 6/8. 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.
Fri 8/72:10 pm
SEA
- VAR
1 stop32h 30m
Lufthansa
Sun 8/3011:05 am
VAR
- SEA
2 stops34h 50m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$1,061
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/133:40 pm
SEA
- BOJ
3 stops34h 05m
Multiple Airlines
Fri 7/3111:25 am
BOJ
- SEA
3 stops33h 15m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,439
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated June 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:50 pm
SEA
- SOF
1 stop18h 25m
United Airlines
Fri 8/216:20 am
SOF
- SEA
2 stops25h 21m
United Airlines
Deal found 6/9![United Airlines logo]()
$834
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:50 pm
SEA
- SOF
1 stop18h 25m
United Airlines
Wed 8/266:10 am
SOF
- SEA
2 stops25h 48m
United Airlines
Deal found 6/9![United Airlines logo]()
$836
This oojo deal was found by Cheapflights users on 6/9. 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.
Tue 7/76:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Wed 8/267:25 pm
SOF
- SEA
1 stop31h 34m
Lufthansa
Deal found 6/9![Lufthansa logo]()
$846
This oojo deal was found by Cheapflights users on 6/7. 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.
Thu 7/232:10 pm
SEA
- VAR
2 stops15h 05m
Lufthansa
Thu 7/306:40 pm
VAR
- SEA
2 stops32h 19m
Lufthansa
Deal found 6/7![Lufthansa logo]()
$1,137
This Turkish Airlines deal was found by Cheapflights users on 6/7. 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.
Thu 7/237:15 pm
SEA
- VAR
1 stop16h 15m
Turkish Airlines
Thu 7/3010:10 pm
VAR
- SEA
1 stop29h 10m
Turkish Airlines
Deal found 6/7![Turkish Airlines logo]()
$1,139
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:50 pm
SEA
- SOF
1 stop18h 25m
United Airlines
Thu 8/276:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 6/10![United Airlines logo]()
$843
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/268:45 am
SEA
- SOF
2 stops28h 30m
United Airlines
Tue 9/16:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 6/10![United Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:02 am
SEA
- SOF
2 stops26h 13m
United Airlines
Thu 8/276:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 6/10![United Airlines logo]()
$830
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:50 pm
SEA
- SOF
1 stop18h 25m
United Airlines
Thu 8/276:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 6/10![United Airlines logo]()
$826
This KAYAK deal was found by Cheapflights users on 6/10. 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.
Tue 7/286:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Mon 8/317:25 pm
SOF
- SEA
1 stop31h 34m
Lufthansa
Deal found 6/10![Lufthansa logo]()
$841
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Sun 8/306:20 am
SOF
- SEA
1 stop15h 35m
Lufthansa
Deal found 6/10![Lufthansa logo]()
$852
This KAYAK deal was found by Cheapflights users on 6/10. 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.
Wed 7/298:15 am
SEA
- SOF
2 stops29h 00m
Lufthansa
Mon 8/317:25 pm
SOF
- SEA
1 stop31h 34m
Lufthansa
Deal found 6/10![Lufthansa logo]()
$845
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 11, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Mon 8/311:25 pm
SEA
- VAR
3 stops33h 25m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 8/173:40 pm
SEA
- SOF
3 stops37h 20m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Mon 7/2011:25 pm
SEA
- VAR
3 stops33h 25m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Tue 7/73:40 pm
SEA
- SOF
3 stops31h 35m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Mon 7/611:25 pm
SEA
- SOF
3 stops30h 20m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/53:40 pm
SEA
- SOF
3 stops38h 40m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Thu 7/911:25 pm
SEA
- SOF
3 stops48h 05m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Fri 7/33:40 pm
SEA
- SOF
3 stops33h 05m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/43:40 pm
SEA
- SOF
3 stops33h 30m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Wed 7/83:40 pm
SEA
- SOF
3 stops32h 50m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$359
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:40 pm
SEA
- SOF
2 stops23h 55m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$374
This Orbitz deal was found by Cheapflights users on 6/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:45 am
SEA
- VAR
2 stops23h 25m
SWISS
Deal found 6/8![SWISS logo]()
$468
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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $741 (oojo) |
One-way from | $282 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $1,178 |
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 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
Quickest round-trip
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 9/6
6:50 pm-6:40 pm
1 stop13h 50m
Sofia
Tue 9/22
6:10 am-11:55 am
1 stop15h 45m
$748
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 9/6
7:00 am-11:15 pm
2 stops30h 15m
Sofia
Tue 9/22
12:55 pm-4:59 pm
1 stop14h 04m
$770
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 8/23
11:03 am-6:40 pm
2 stops21h 37m
Sofia
Tue 9/1
6:10 am-4:59 pm
1 stop20h 49m
$830
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 8/23
6:50 pm-11:15 pm
1 stop18h 25m
Sofia
Sun 9/6
6:20 am-11:55 am
1 stop15h 35m
$834
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Wed 7/8
7:00 am-11:15 pm
2 stops30h 15m
Sofia
Fri 8/21
6:20 am-9:41 pm
2 stops25h 21m
$838
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Tue 7/7
3:40 pm-11:15 pm
2 stops21h 35m
Sofia
Wed 8/26
6:10 am-9:58 pm
2 stops25h 48m
$840
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Wed 8/26
7:11 am-11:15 pm
2 stops30h 04m
Sofia
Mon 9/14
2:20 pm-7:15 pm
2 stops38h 55m
$859
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Wed 7/29
6:50 pm-11:15 pm
1 stop18h 25m
Sofia
Sat 8/29
6:10 am-4:59 pm
1 stop20h 49m
$863
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Thu 8/13
3:54 pm-11:15 pm
2 stops21h 21m
Sofia
Thu 8/20
6:10 am-4:59 pm
1 stop20h 49m
$863
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Tue 8/11
7:15 pm-9:20 pm
1 stop16h 05m
Varna
Sun 8/30
9:20 am-10:40 am
1 stop35h 20m
$878
Showing 1-10 of 40 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 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 June 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
Food
7.3
Boarding
7.8
Comfort
7.7
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Boarding
7.8
Comfort
7.7
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Boarding
7.8
Comfort
7.7
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Boarding
7.8
Comfort
7.7
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Boarding
7.8
Comfort
7.7
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Boarding
7.8
Comfort
7.7
Overall
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
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 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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$908 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$540 | Average$907 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$545 | Average$885 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$572 | Average$859 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$884 | Average$897 | FlexibilityNo cancel fee | On-time78% |