$317+ Cheap flights from Seattle (SEA) to Bulgaria
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Aug 6 — Aug 131
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 7, 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 7, 2026.
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm
SEA
- SOF
1 stop21h 55m
United Airlines
Thu 11/126:25 am
SOF
- SEA
1 stop15h 35m
United Airlines
Deal found 7/5![United Airlines logo]()
$746
This Gotogate deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:15 pm
SEA
- SOF
1 stop27h 30m
Turkish Airlines
Fri 9/113:50 pm
SOF
- SEA
1 stop28h 50m
Turkish Airlines
Deal found 7/3![Turkish Airlines logo]()
$766
This Turkish Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/3![Turkish Airlines logo]()
$767
This oojo deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/86:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Fri 9/256:20 am
SOF
- SEA
1 stop15h 35m
Lufthansa
Deal found 7/2![Lufthansa logo]()
$804
This oojo deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Fri 9/186:20 am
SOF
- SEA
1 stop15h 35m
Lufthansa
Deal found 7/6![Lufthansa logo]()
$805
This oojo deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Wed 9/912:55 pm
SOF
- SEA
1 stop14h 04m
Lufthansa
Deal found 7/4![Lufthansa logo]()
$806
This oojo deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Thu 9/246:30 am
SOF
- SEA
2 stops22h 02m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$807
This Justfly.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- VAR
1 stop15h 55m
Multiple Airlines
Tue 8/259:10 pm
VAR
- SEA
2 stops35h 33m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$813
This oojo deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/166:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Mon 8/317:25 pm
SOF
- SEA
1 stop31h 34m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$815
This Justfly.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/2![Multiple Airlines logo]()
$819
This KAYAK deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:40 am
SEA
- VAR
2 stops23h 30m
SWISS
Tue 8/259:10 pm
VAR
- SEA
2 stops35h 33m
SWISS
Deal found 7/6![SWISS logo]()
$826
This KAYAK deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- VAR
1 stop15h 55m
Lufthansa
Mon 8/248:20 pm
VAR
- SEA
1 stop25h 35m
Lufthansa
Deal found 7/6![Lufthansa logo]()
$832
Best flights from Seattle to BulgariaDiscover carefully curated flight deals from Seattle to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 7, 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 7, 2026.
This Air Canada deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:10 am
SEA
- SOF
2 stops22h 10m
Air Canada
Thu 11/126:25 am
SOF
- SEA
2 stops21h 57m
Air Canada
Deal found 7/6![Air Canada logo]()
$746
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm
SEA
- SOF
1 stop21h 55m
United Airlines
Thu 11/126:25 am
SOF
- SEA
1 stop15h 35m
United Airlines
Deal found 7/6![United Airlines logo]()
$746
This Turkish Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Thu 9/249:10 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 7/5![Turkish Airlines logo]()
$767
This oojo deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Thu 9/246:30 am
SOF
- SEA
2 stops22h 02m
Lufthansa
Deal found 7/4![Lufthansa logo]()
$807
This FlightHub deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/198:10 am
SEA
- BOJ
2 stops18h 10m
Multiple Airlines
Tue 9/297:05 pm
BOJ
- SEA
2 stops31h 54m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$955
This KAYAK deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:10 am
SEA
- BOJ
2 stops18h 10m
Austrian Airlines
Sat 9/1911:20 am
BOJ
- SEA
2 stops41h 55m
Austrian Airlines
Deal found 7/4![Austrian Airlines logo]()
$1,070
This Turkish Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/107:15 pm
SEA
- SOF
1 stop27h 30m
Turkish Airlines
Tue 9/223:50 pm
SOF
- SEA
1 stop35h 30m
Turkish Airlines
Deal found 7/4![Turkish Airlines logo]()
$767
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:54 pm
SEA
- SOF
2 stops21h 21m
United Airlines
Thu 9/246:30 am
SOF
- SEA
2 stops22h 02m
United Airlines
Deal found 7/4![United Airlines logo]()
$828
This Turkish Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/2![Turkish Airlines logo]()
$767
This Justfly.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/28:15 am
SEA
- VAR
2 stops40h 45m
Lufthansa
Tue 9/1511:45 am
VAR
- SEA
1 stop34h 10m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$866
This Lufthansa deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/186:50 pm
SEA
- VAR
1 stop15h 55m
Lufthansa
Tue 8/2511:45 am
VAR
- SEA
1 stop34h 10m
Lufthansa
Deal found 7/4![Lufthansa logo]()
$867
This United deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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.
Fri 9/186:50 pm
SEA
- BOJ
1 stop28h 15m
Multiple Airlines
Tue 9/297:05 pm
BOJ
- SEA
1 stop26h 50m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$998
This Turkish Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/277:15 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Sun 10/49:10 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 7/3![Turkish Airlines logo]()
$827
This FlightHub deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/188:10 am
SEA
- VAR
2 stops26h 35m
Lufthansa
Mon 8/318:20 pm
VAR
- SEA
1 stop25h 35m
Lufthansa
Deal found 7/4![Lufthansa logo]()
$908
This United deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:10 pm
SEA
- BOJ
3 stops60h 25m
Multiple Airlines
Sun 10/49:10 am
BOJ
- SEA
2 stops21h 27m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$1,008
This Turkish Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:15 pm
SEA
- VAR
1 stop27h 15m
Turkish Airlines
Sat 9/1910:00 am
VAR
- SEA
1 stop17h 20m
Turkish Airlines
Deal found 7/5![Turkish Airlines logo]()
$917
This KAYAK deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:10 pm
SEA
- BOJ
2 stops35h 35m
Lufthansa
Tue 9/297:05 pm
BOJ
- SEA
2 stops31h 54m
Lufthansa
Deal found 7/5![Lufthansa logo]()
$939
This FlightHub deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 9/177:00 am
SEA
- BOJ
2 stops19h 20m
Multiple Airlines
Sun 9/279:10 am
BOJ
- SEA
2 stops21h 27m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$1,103
This Justfly.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:50 pm
SEA
- BOJ
2 stops27h 35m
Lufthansa
Sun 9/279:50 am
BOJ
- SEA
1 stop17h 09m
Lufthansa
Deal found 7/5![Lufthansa logo]()
$997
This Turkish Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 7/6![Turkish Airlines logo]()
$1,002
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/265:30 pm
SEA
- BOJ
1 stop15h 30m
Multiple Airlines
Sun 10/47:55 pm
BOJ
- SEA
2 stops48h 40m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,152
This KAYAK deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/27:20 pm
SEA
- BOJ
2 stops37h 00m
Lufthansa
Tue 9/157:05 pm
BOJ
- SEA
1 stop26h 50m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$1,095
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated July 7, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Fri 9/186:20 am
SOF
- SEA
1 stop15h 35m
Lufthansa
Deal found 7/6![Lufthansa logo]()
$805
This oojo deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/166:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Mon 8/317:25 pm
SOF
- SEA
1 stop31h 34m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$815
This Justfly.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/167:00 am
SEA
- SOF
2 stops30h 15m
Lufthansa
Wed 9/26:10 am
SOF
- SEA
1 stop20h 49m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$823
This KAYAK deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:40 am
SEA
- VAR
2 stops23h 30m
SWISS
Tue 8/259:10 pm
VAR
- SEA
2 stops35h 33m
SWISS
Deal found 7/6![SWISS logo]()
$826
This Turkish Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/3![Turkish Airlines logo]()
$767
This oojo deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Wed 9/96:10 am
SOF
- SEA
2 stops23h 05m
Lufthansa
Deal found 7/4![Lufthansa logo]()
$804
This oojo deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Thu 9/246:30 am
SOF
- SEA
2 stops22h 02m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$807
This Justfly.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- VAR
1 stop15h 55m
Multiple Airlines
Tue 8/259:10 pm
VAR
- SEA
2 stops35h 33m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$813
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:54 pm
SEA
- SOF
2 stops21h 21m
United Airlines
Thu 9/246:30 am
SOF
- SEA
2 stops22h 02m
United Airlines
Deal found 7/3![United Airlines logo]()
$828
This KAYAK deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- VAR
1 stop15h 55m
Lufthansa
Mon 8/248:20 pm
VAR
- SEA
1 stop25h 35m
Lufthansa
Deal found 7/6![Lufthansa logo]()
$832
This Lufthansa deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 pm
SEA
- VAR
1 stop15h 55m
Lufthansa
Wed 8/269:30 pm
VAR
- SEA
1 stop29h 29m
Lufthansa
Deal found 7/6![Lufthansa logo]()
$836
This Gotogate deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:15 pm
SEA
- SOF
1 stop27h 30m
Turkish Airlines
Fri 9/113:50 pm
SOF
- SEA
1 stop28h 50m
Turkish Airlines
Deal found 7/3![Turkish Airlines logo]()
$766
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 7, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:25 pm
SEA
- VAR
3 stops51h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 10/27:00 pm
SEA
- BOJ
3 stops42h 45m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 10/43:40 pm
SEA
- BOJ
3 stops32h 40m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:00 pm
SEA
- BOJ
3 stops42h 45m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$367
This Trip.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Mon 9/283:40 pm
SEA
- BOJ
2 stops22h 05m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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
- BOJ
2 stops39h 20m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 10/33:40 pm
SEA
- BOJ
3 stops36h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/297:00 pm
SEA
- BOJ
3 stops35h 10m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$390
This KAYAK deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 10/47:20 pm
SEA
- BOJ
2 stops37h 00m
Lufthansa
Deal found 7/3![Lufthansa logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/277:00 pm
SEA
- BOJ
3 stops29h 20m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/263:40 pm
SEA
- BOJ
3 stops36h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:00 pm
SEA
- BOJ
2 stops30h 25m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$401
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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $746 (United Airlines) |
One-way from | $317 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $912 |
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 7, 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
Sun 11/8
10:10 am-6:20 pm
2 stops22h 10m
Sofia
Thu 11/12
6:25 am-6:22 pm
2 stops21h 57m
$746
Quickest round-trip
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 11/8
2:50 pm-10:45 pm
1 stop21h 55m
Sofia
Thu 11/12
6:25 am-12:00 pm
1 stop15h 35m
$746
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Tue 8/18
7:15 pm-3:00 pm
1 stop33h 45m
Sofia
Thu 9/24
9:10 pm-5:20 pm
1 stop30h 10m
$767
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Thu 9/10
7:15 pm-8:45 am
1 stop27h 30m
Sofia
Tue 9/22
3:50 pm-5:20 pm
1 stop35h 30m
$767
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 9/6
7:15 pm-3:00 pm
1 stop33h 45m
Sofia
Tue 9/22
3:50 pm-5:20 pm
1 stop35h 30m
$767
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Tue 8/18
6:50 pm-11:15 pm
1 stop18h 25m
Sofia
Thu 9/24
6:30 am-6:32 pm
2 stops22h 02m
$807
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 9/27
7:15 pm-8:20 pm
1 stop15h 05m
Sofia
Sun 10/4
9:10 pm-5:20 pm
1 stop30h 10m
$827
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Tue 8/18
3:54 pm-11:15 pm
2 stops21h 21m
Sofia
Thu 9/24
6:30 am-6:32 pm
2 stops22h 02m
$828
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Sun 8/2
8:15 am-11:00 am
2 stops40h 45m
Varna
Tue 9/15
11:45 am-11:55 am
1 stop34h 10m
$866
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Tue 8/18
6:50 pm-8:45 pm
1 stop15h 55m
Varna
Tue 8/25
11:45 am-11:55 am
1 stop34h 10m
$867
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 July 7, 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.
Comfort
7.7
Food
7.3
Boarding
7.8
Entertainment
7.2
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Food
7.3
Boarding
7.8
Entertainment
7.2
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Food
7.3
Boarding
7.8
Entertainment
7.2
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Food
7.3
Boarding
7.8
Entertainment
7.2
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Food
7.3
Boarding
7.8
Entertainment
7.2
Overall
7.8
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Food
7.3
Boarding
7.8
Entertainment
7.2
Overall
7.8
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 July 7, 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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$908 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$540 | Average$909 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$571 | Average$854 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$885 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$884 | Average$897 | FlexibilityNo cancel fee | On-time78% |