$238+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Aug 27 — Sep 31
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 July 28, 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 28, 2026.
This Turkish Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 10/87:15 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Tue 10/209:35 am
SOF
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$699
This Turkish Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 stop15h 05m
Turkish Airlines
Thu 9/249:35 am
SOF
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$739
This FlightHub deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:00 am
SEA
- SOF
2 stops25h 20m
Lufthansa
Fri 11/66:00 am
SOF
- SEA
1 stop17h 00m
Lufthansa
Deal found 7/25![Lufthansa logo]()
$751
This Turkish Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 9/223:50 pm
SOF
- SEA
1 stop35h 30m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$764
This oojo deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/266:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Wed 9/26:20 am
SOF
- SEA
1 stop15h 35m
Lufthansa
Deal found 7/27![Lufthansa logo]()
$811
This oojo deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 10/76:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Tue 10/136:10 am
SOF
- SEA
2 stops22h 22m
Lufthansa
Deal found 7/26![Lufthansa logo]()
$813
This FlightHub deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 7/25![Multiple Airlines logo]()
$824
This oojo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/166:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Wed 9/306:20 am
SOF
- SEA
2 stops18h 02m
Lufthansa
Deal found 7/24![Lufthansa logo]()
$830
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/811:59 pm
SEA
- SOF
2 stops32h 41m
United Airlines
Tue 9/156:10 am
SOF
- SEA
1 stop15h 45m
United Airlines
Deal found 7/25![United Airlines logo]()
$833
This Expedia deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:10 am
SEA
- BOJ
2 stops21h 05m
Multiple Airlines
Wed 9/1612:35 pm
BOJ
- SEA
1 stop14h 24m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$854
This KAYAK deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/166:50 pm
SEA
- VAR
2 stops34h 25m
Lufthansa
Mon 9/288:20 pm
VAR
- SEA
1 stop25h 35m
Lufthansa
Deal found 7/28![Lufthansa logo]()
$903
This oojo deal was found by Cheapflights users on 7/23. 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.
Sun 9/66:50 pm
SEA
- VAR
2 stops34h 25m
Lufthansa
Sun 9/131:35 pm
VAR
- SEA
2 stops32h 20m
Lufthansa
Deal found 7/23![Lufthansa logo]()
$924
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 28, 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 28, 2026.
This Turkish Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 10/77:15 pm
SEA
- SOF
1 stop27h 30m
Turkish Airlines
Mon 10/199:10 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/102:50 pm
SEA
- SOF
1 stop21h 55m
United Airlines
Thu 1/146:25 am
SOF
- SEA
1 stop15h 35m
United Airlines
Deal found 7/25![United Airlines logo]()
$751
This Justfly.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 9/66:50 pm
SEA
- SOF
1 stop18h 25m
Multiple Airlines
Tue 9/221:05 pm
SOF
- SEA
2 stops39h 27m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$824
This KAYAK deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/166:50 pm
SEA
- VAR
2 stops34h 25m
Lufthansa
Mon 9/288:20 pm
VAR
- SEA
1 stop25h 35m
Lufthansa
Deal found 7/28![Lufthansa logo]()
$903
This FlightHub deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/168:10 am
SEA
- BOJ
2 stops21h 05m
Austrian Airlines
Sun 9/271:05 pm
BOJ
- SEA
2 stops41h 32m
Austrian Airlines
Deal found 7/25![Austrian Airlines logo]()
$942
This Turkish Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 10/87:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Mon 10/193:50 pm
SOF
- SEA
1 stop35h 30m
Turkish Airlines
Deal found 7/25![Turkish Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 1/116:50 am
SEA
- SOF
2 stops20h 25m
United Airlines
Thu 1/146:25 am
SOF
- SEA
2 stops21h 44m
United Airlines
Deal found 7/23![United Airlines logo]()
$765
This Turkish Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 10/77:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Tue 10/139:10 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 7/26![Turkish Airlines logo]()
$699
This Turkish Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Mon 10/199:10 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$699
This SmartFares deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:10 am
SEA
- BOJ
2 stops21h 05m
Multiple Airlines
Wed 9/1612:35 pm
BOJ
- SEA
2 stops44h 10m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$884
This oojo deal was found by Cheapflights users on 7/23. 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.
Sun 9/66:50 pm
SEA
- VAR
2 stops34h 25m
Lufthansa
Sun 9/131:35 pm
VAR
- SEA
2 stops32h 20m
Lufthansa
Deal found 7/23![Lufthansa logo]()
$924
This Turkish Airlines deal was found by Cheapflights users on 7/23. 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 9/67:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Tue 9/229:35 am
SOF
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 7/23![Turkish Airlines logo]()
$739
This FlightHub deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/168:10 am
SEA
- BOJ
2 stops21h 05m
Multiple Airlines
Sun 9/279:50 am
BOJ
- SEA
1 stop17h 09m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$924
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 stops42h 58m
Austrian Airlines
Deal found 7/25![Austrian Airlines logo]()
$1,074
This KAYAK deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/166:50 pm
SEA
- VAR
1 stop28h 10m
Lufthansa
Sun 9/279:40 am
VAR
- SEA
1 stop36h 15m
Lufthansa
Deal found 7/28![Lufthansa logo]()
$1,009
This Turkish Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/712:35 pm
SEA
- VAR
1 stop33h 55m
Turkish Airlines
Mon 9/149:20 am
VAR
- SEA
1 stop18h 00m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$986
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated July 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/145:30 pm
SEA
- VAR
1 stop19h 40m
Multiple Airlines
Sat 8/225:00 am
VAR
- SEA
2 stops22h 50m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$1,122
This Turkish Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/1512:35 pm
SEA
- VAR
1 stop33h 55m
Turkish Airlines
Fri 8/2110:20 pm
VAR
- SEA
1 stop22h 20m
Turkish Airlines
Deal found 7/25![Turkish Airlines logo]()
$1,166
This Turkish Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/1512:35 pm
SEA
- VAR
1 stop33h 55m
Turkish Airlines
Mon 8/1710:15 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 7/25![Turkish Airlines logo]()
$1,181
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/175:30 pm
SEA
- VAR
1 stop19h 30m
Multiple Airlines
Thu 8/2011:05 pm
VAR
- SEA
1 stop28h 45m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$976
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/175:30 pm
SEA
- VAR
1 stop19h 30m
Multiple Airlines
Sat 8/225:00 am
VAR
- SEA
2 stops22h 50m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$1,097
This Turkish Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 stop15h 05m
Turkish Airlines
Thu 9/249:35 am
SOF
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/216:50 pm
SEA
- SOF
1 stop18h 25m
United Airlines
Wed 8/261:50 pm
SOF
- SEA
2 stops19h 36m
United Airlines
Deal found 7/24![United Airlines logo]()
$871
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/216:50 pm
SEA
- SOF
1 stop18h 25m
United Airlines
Fri 8/286:20 am
SOF
- SEA
1 stop15h 35m
United Airlines
Deal found 7/24![United Airlines logo]()
$879
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/215:00 am
SEA
- SOF
2 stops32h 15m
United Airlines
Thu 8/276:30 am
SOF
- SEA
1 stop15h 25m
United Airlines
Deal found 7/24![United Airlines logo]()
$883
This KAYAK deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/216:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Wed 8/267:25 pm
SOF
- SEA
1 stop31h 34m
Lufthansa
Deal found 7/24![Lufthansa logo]()
$895
This oojo deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/266:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Wed 9/26:20 am
SOF
- SEA
1 stop15h 35m
Lufthansa
Deal found 7/27![Lufthansa logo]()
$811
This United deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/267:30 am
SEA
- SOF
2 stops18h 40m
Multiple Airlines
Wed 9/26:20 am
SOF
- SEA
1 stop15h 35m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$833
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 28, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 11/108:18 am
SEA
- SOF
3 stops29h 17m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$238
This Cheapflightsfares deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:30 pm
SEA
- SOF
1 stop20h 40m
British Airways
Deal found 7/27![British Airways logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/25:30 pm
SEA
- SOF
1 stop20h 40m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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
3 stops49h 05m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 10/17:00 pm
SEA
- VAR
3 stops44h 30m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$386
This Turkish Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/1012:35 pm
SEA
- SOF
1 stop34h 10m
Turkish Airlines
Deal found 7/25![Turkish Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/1010:40 am
SEA
- SOF
3 stops25h 50m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$495
This KAYAK deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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
Deal found 7/27![Austrian Airlines logo]()
$555
This Trip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:15 pm
SEA
- VAR
1 stop16h 10m
Turkish Airlines
Deal found 7/25![Turkish Airlines logo]()
$659
This Turkish Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/137:15 pm
SEA
- VAR
1 stop16h 15m
Turkish Airlines
Deal found 7/25![Turkish Airlines logo]()
$664
This Expedia deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:45 pm
SEA
- BOJ
2 stops26h 35m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$672
This Turkish Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:15 pm
SEA
- VAR
1 stop16h 05m
Turkish Airlines
Deal found 7/25![Turkish Airlines logo]()
$704
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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $699 (Turkish Airlines) |
One-way from | $238 (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 28, 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
Wed 10/7
7:15 pm-8:45 am
1 stop27h 30m
Sofia
Mon 10/19
9:10 pm-5:20 pm
1 stop30h 10m
$699
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Thu 10/8
7:15 pm-3:00 pm
1 stop33h 45m
Sofia
Mon 10/19
3:50 pm-5:20 pm
1 stop35h 30m
$699
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Wed 10/7
7:15 pm-3:00 pm
1 stop33h 45m
Sofia
Tue 10/13
9:10 pm-5:20 pm
1 stop30h 10m
$699
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Fri 10/9
7:15 pm-3:00 pm
1 stop33h 45m
Sofia
Mon 10/19
9:10 pm-5:20 pm
1 stop30h 10m
$699
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 9/6
7:15 pm-3:00 pm
1 stop33h 45m
Sofia
Tue 9/22
9:35 am-5:20 pm
1 stop17h 45m
$739
Quickest round-trip
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 1/10
2:50 pm-10:45 pm
1 stop21h 55m
Sofia
Thu 1/14
6:25 am-12:00 pm
1 stop15h 35m
$751
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Mon 1/11
6:50 am-1:15 pm
2 stops20h 25m
Sofia
Thu 1/14
6:25 am-6:09 pm
2 stops21h 44m
$765
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
$824
SeattleBurgas
SEA - BOJ
SEABOJ
Seattle/Tacoma Intl
Wed 9/9
8:10 am-3:15 pm
2 stops21h 05m
Bourgas
Wed 9/16
12:35 pm-10:45 pm
2 stops44h 10m
$884
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Wed 9/16
6:50 pm-3:15 pm
2 stops34h 25m
Varna
Mon 9/28
8:20 pm-11:55 am
1 stop25h 35m
$903
Showing 1-10 of 31 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-BOJ
SEA-VAR
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Bulgaria
SEA-BG0
SEA-SOF
SEA-BOJ
SEA-VAR
What is the cheapest month to book a flight from Seattle to Bulgaria?
Currently, October is the cheapest month in which you can book a flight from Seattle to Bulgaria (average of $590). Flying from Seattle to Bulgaria in June is currently the most expensive (average of $1,147). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How far ahead should I book a flight from Seattle to Bulgaria?
Booking 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 28, 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
Overall
7.8
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Overall
7.8
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Overall
7.8
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Overall
7.8
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Overall
7.8
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Overall
7.8
Comfort
7.7
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 28, 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$908 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$540 | Average$919 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$570 | Average$856 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$885 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$884 | Average$897 | FlexibilityNo cancel fee | On-time78% |