$295+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Jul 4 — Jul 111
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 4, 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 4, 2026.
This Gotogate deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:40 am
SEA
- SOF
2 stops27h 00m
Multiple Airlines
Tue 10/206:10 am
SOF
- SEA
1 stop16h 10m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$745
This Gotogate deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:50 pm
SEA
- SOF
1 stop18h 25m
Multiple Airlines
Tue 10/2012:55 pm
SOF
- SEA
2 stops19h 47m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$747
This oojo deal was found by Cheapflights users on 6/3. 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 9/66:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Tue 9/226:10 am
SOF
- SEA
1 stop15h 45m
Lufthansa
Deal found 6/3![Lufthansa logo]()
$748
This Gotogate deal was found by Cheapflights users on 6/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:15 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Tue 10/279:40 am
SOF
- SEA
1 stop17h 30m
Turkish Airlines
Deal found 6/2![Turkish Airlines logo]()
$752
This Booking.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:15 pm
SEA
- SOF
1 stop33h 45m
Turkish Airlines
Tue 10/203:50 pm
SOF
- SEA
1 stop35h 30m
Turkish Airlines
Deal found 5/31![Turkish Airlines logo]()
$753
This FlightHub deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” 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 10/77:00 am
SEA
- SOF
2 stops19h 10m
Lufthansa
Tue 10/206:10 am
SOF
- SEA
2 stops18h 12m
Lufthansa
Deal found 5/30![Lufthansa logo]()
$758
This Gotogate deal was found by Cheapflights users on 6/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:50 pm
SEA
- SOF
1 stop18h 25m
Multiple Airlines
Tue 10/276:25 am
SOF
- SEA
2 stops20h 57m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$762
This KAYAK deal was found by Cheapflights users on 6/4. 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.
Sun 9/132:10 pm
SEA
- VAR
1 stop19h 25m
Lufthansa
Fri 10/169:45 am
VAR
- SEA
1 stop17h 14m
Lufthansa
Deal found 6/4![Lufthansa logo]()
$784
This KAYAK deal was found by Cheapflights users on 6/4. 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.
Sun 9/132:10 pm
SEA
- VAR
1 stop19h 25m
Lufthansa
Wed 9/309:30 pm
VAR
- SEA
1 stop29h 29m
Lufthansa
Deal found 6/4![Lufthansa logo]()
$787
This KAYAK deal was found by Cheapflights users on 6/4. 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.
Tue 9/156:50 pm
SEA
- VAR
1 stop15h 55m
Lufthansa
Fri 10/169:45 am
VAR
- SEA
1 stop17h 14m
Lufthansa
Deal found 6/4![Lufthansa logo]()
$789
This KAYAK deal was found by Cheapflights users on 6/4. 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.
Sun 9/132:10 pm
SEA
- VAR
1 stop19h 25m
Lufthansa
Mon 9/288:20 pm
VAR
- SEA
1 stop25h 35m
Lufthansa
Deal found 6/4![Lufthansa logo]()
$796
This KAYAK deal was found by Cheapflights users on 6/4. 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.
Tue 9/156:50 pm
SEA
- VAR
1 stop15h 55m
Lufthansa
Wed 9/309:30 pm
VAR
- SEA
1 stop29h 29m
Lufthansa
Deal found 6/4![Lufthansa logo]()
$800
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 4, 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 4, 2026.
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/110:58 pm
SEA
- SOF
2 stops27h 12m
United Airlines
Tue 10/206:10 am
SOF
- SEA
2 stops22h 22m
United Airlines
Deal found 6/1![United Airlines logo]()
$770
This FlightHub deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:50 pm
SEA
- VAR
2 stops32h 00m
Lufthansa
Tue 9/154:00 pm
VAR
- SEA
2 stops29h 55m
Lufthansa
Deal found 5/31![Lufthansa logo]()
$869
This Booking.com deal was found by Cheapflights users on 6/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2712:35 pm
SEA
- SOF
1 stop34h 10m
Turkish Airlines
Fri 7/39:35 am
SOF
- SEA
1 stop35h 05m
Turkish Airlines
Deal found 6/3![Turkish Airlines logo]()
$886
This Mytrip deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
Thu 7/165:45 am
SEA
- BOJ
3 stops31h 35m
Multiple Airlines
Thu 7/239:05 pm
BOJ
- SEA
2 stops24h 50m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$1,255
This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:50 pm
SEA
- SOF
1 stop13h 50m
United Airlines
Mon 9/142:20 pm
SOF
- SEA
1 stop31h 35m
United Airlines
Deal found 6/2![United Airlines logo]()
$786
This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:59 pm
SEA
- SOF
2 stops37h 16m
United Airlines
Wed 9/306:20 am
SOF
- SEA
1 stop15h 35m
United Airlines
Deal found 6/2![United Airlines logo]()
$787
This Turkish Airlines deal was found by Cheapflights users on 6/4. 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
- VAR
1 stop27h 55m
Turkish Airlines
Tue 9/299:20 am
VAR
- SEA
1 stop18h 00m
Turkish Airlines
Deal found 6/4![Turkish Airlines logo]()
$888
This KAYAK deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 8/116:50 pm
SEA
- VAR
1 stop15h 55m
Lufthansa
Sun 8/3011:05 am
VAR
- SEA
2 stops34h 50m
Lufthansa
Deal found 6/1![Lufthansa logo]()
$905
This Turkish Airlines deal was found by Cheapflights users on 6/4. 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.
Wed 9/97:15 pm
SEA
- VAR
1 stop27h 15m
Turkish Airlines
Tue 9/299:20 am
VAR
- SEA
1 stop18h 00m
Turkish Airlines
Deal found 6/4![Turkish Airlines logo]()
$888
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 10/810:42 am
SEA
- SOF
2 stops26h 33m
United Airlines
Tue 10/206:10 am
SOF
- SEA
2 stops18h 12m
United Airlines
Deal found 5/31![United Airlines logo]()
$820
This Lufthansa deal was found by Cheapflights users on 6/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:10 pm
SEA
- VAR
2 stops20h 35m
Lufthansa
Mon 8/248:20 pm
VAR
- SEA
2 stops30h 39m
Lufthansa
Deal found 6/2![Lufthansa logo]()
$909
This Turkish Airlines deal was found by Cheapflights users on 6/4. 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 9/177:15 pm
SEA
- VAR
1 stop16h 15m
Turkish Airlines
Wed 10/149:20 am
VAR
- SEA
1 stop18h 00m
Turkish Airlines
Deal found 6/4![Turkish Airlines logo]()
$888
This Lufthansa deal was found by Cheapflights users on 6/3. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/162:10 pm
SEA
- VAR
1 stop19h 25m
Lufthansa
Mon 8/248:20 pm
VAR
- SEA
1 stop25h 35m
Lufthansa
Deal found 6/3![Lufthansa logo]()
$931
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 8/131:16 pm
SEA
- SOF
2 stops23h 59m
United Airlines
Thu 8/206:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 6/1![United Airlines logo]()
$864
This Turkish Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 6/157:15 pm
SEA
- SOF
1 stop27h 30m
Turkish Airlines
Tue 9/223:50 pm
SOF
- SEA
1 stop35h 30m
Turkish Airlines
Deal found 6/1![Turkish Airlines logo]()
$933
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 8/25:40 pm
SEA
- BOJ
1 stop18h 35m
Multiple Airlines
Thu 8/207:15 pm
BOJ
- SEA
2 stops31h 55m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,268
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/146:50 pm
SEA
- SOF
1 stop18h 25m
United Airlines
Wed 8/266:10 am
SOF
- SEA
3 stops27h 16m
United Airlines
Deal found 5/31![United Airlines logo]()
$881
This Turkish Airlines deal was found by Cheapflights users on 6/3. 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.
Sat 9/57:15 pm
SEA
- VAR
1 stop27h 15m
Turkish Airlines
Sat 9/1910:10 pm
VAR
- SEA
1 stop29h 10m
Turkish Airlines
Deal found 6/3![Turkish Airlines logo]()
$938
This Kiwi.com deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” 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 8/37:10 pm
SEA
- BOJ
1 stop31h 05m
Multiple Airlines
Fri 8/1410:10 pm
BOJ
- SEA
2 stops31h 15m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$1,273
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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
Sat 8/2212:55 pm
SOF
- SEA
2 stops33h 00m
United Airlines
Deal found 5/31![United Airlines logo]()
$918
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 8/25:40 pm
SEA
- BOJ
1 stop18h 35m
Multiple Airlines
Mon 8/173:35 pm
BOJ
- SEA
2 stops35h 35m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,281
This Turkish Airlines deal was found by Cheapflights users on 6/4. 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.
Fri 9/187:15 pm
SEA
- VAR
1 stop16h 05m
Turkish Airlines
Mon 10/1210:10 pm
VAR
- SEA
1 stop29h 10m
Turkish Airlines
Deal found 6/4![Turkish Airlines logo]()
$968
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
Sat 8/15:00 am
SEA
- SOF
2 stops32h 15m
United Airlines
Sat 8/296:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 6/1![United Airlines logo]()
$941
This KAYAK deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 8/32:10 pm
SEA
- BOJ
1 stop18h 10m
Lufthansa
Sun 8/169:50 am
BOJ
- SEA
1 stop17h 09m
Lufthansa
Deal found 5/31![Lufthansa logo]()
$1,288
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:10 pm
SEA
- BOJ
1 stop17h 25m
Multiple Airlines
Wed 8/1910:05 am
BOJ
- SEA
2 stops41h 05m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,288
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:10 pm
SEA
- BOJ
1 stop17h 25m
Multiple Airlines
Fri 8/1410:10 pm
BOJ
- SEA
2 stops31h 15m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,344
This Kiwi.com deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:30 pm
SEA
- BOJ
1 stop15h 30m
Multiple Airlines
Fri 8/1410:10 pm
BOJ
- SEA
2 stops31h 15m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$1,348
This Expedia deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” 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.
Sun 8/211:46 pm
SEA
- BOJ
2 stops36h 49m
Multiple Airlines
Sat 8/1511:20 pm
BOJ
- SEA
1 stop27h 50m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$1,360
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:10 pm
SEA
- BOJ
1 stop17h 25m
Multiple Airlines
Thu 8/207:15 pm
BOJ
- SEA
2 stops31h 55m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,377
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated June 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated June 4, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:10 pm
SEA
- SOF
1 stop33h 50m
Turkish Airlines
Tue 6/239:35 am
SOF
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 5/31![Turkish Airlines logo]()
$830
This KAYAK deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/56:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Mon 8/247:25 pm
SOF
- SEA
1 stop31h 34m
Lufthansa
Deal found 5/31![Lufthansa logo]()
$831
This Lufthansa deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/56:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Tue 8/256:10 am
SOF
- SEA
1 stop20h 49m
Lufthansa
Deal found 5/31![Lufthansa logo]()
$832
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/56:50 pm
SEA
- SOF
1 stop18h 25m
United Airlines
Tue 8/256:10 am
SOF
- SEA
2 stops22h 19m
United Airlines
Deal found 5/31![United Airlines logo]()
$836
This KAYAK deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/53:00 pm
SEA
- SOF
2 stops22h 15m
Lufthansa
Thu 8/276:30 am
SOF
- SEA
1 stop15h 25m
Lufthansa
Deal found 5/31![Lufthansa logo]()
$847
This Lufthansa deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/56:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Wed 8/266:10 am
SOF
- SEA
1 stop20h 49m
Lufthansa
Deal found 5/31![Lufthansa logo]()
$849
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/712:50 pm
SEA
- SOF
2 stops24h 25m
United Airlines
Tue 8/256:10 am
SOF
- SEA
2 stops24h 33m
United Airlines
Deal found 5/31![United Airlines logo]()
$841
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/86:50 pm
SEA
- SOF
1 stop18h 25m
United Airlines
Thu 8/276:30 am
SOF
- SEA
1 stop15h 25m
United Airlines
Deal found 5/31![United Airlines logo]()
$842
This oojo deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 7/146:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Wed 8/267:25 pm
SOF
- SEA
1 stop31h 34m
Lufthansa
Deal found 5/31![Lufthansa logo]()
$844
This Expedia deal was found by Cheapflights users on 6/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/192:10 pm
SEA
- VAR
2 stops36h 40m
Lufthansa
Sun 7/261:35 pm
VAR
- SEA
2 stops56h 20m
Lufthansa
Deal found 6/4![Lufthansa logo]()
$999
This oojo deal was found by Cheapflights users on 6/3. 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 7/216:50 pm
SEA
- SOF
1 stop13h 50m
Lufthansa
Tue 9/226:10 am
SOF
- SEA
1 stop15h 45m
Lufthansa
Deal found 6/3![Lufthansa logo]()
$822
This oojo deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Wed 8/267:25 pm
SOF
- SEA
1 stop31h 34m
Lufthansa
Deal found 6/1![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 4, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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 9/267:00 pm
SEA
- SOF
2 stops54h 30m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 8/313:40 pm
SEA
- SOF
2 stops34h 10m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:00 pm
SEA
- SOF
3 stops29h 20m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 8/283:40 pm
SEA
- SOF
3 stops31h 40m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 9/13:40 pm
SEA
- SOF
3 stops33h 30m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:40 pm
SEA
- SOF
2 stops34h 45m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 8/307:00 pm
SEA
- SOF
3 stops29h 10m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$350
This Lufthansa deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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 9/16:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Deal found 5/31![Lufthansa logo]()
$355
This KAYAK deal was found by Cheapflights users on 6/4. 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 8/16:50 pm
SEA
- VAR
1 stop30h 40m
Lufthansa
Deal found 6/4![Lufthansa logo]()
$549
This KAYAK deal was found by Cheapflights users on 6/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:50 pm
SEA
- BOJ
2 stops55h 30m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$569
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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $745 (Gotogate) |
One-way from | $295 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $1,201 |
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 4, 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
Tue 9/1
10:58 pm-12:10 pm
2 stops27h 12m
Sofia
Tue 10/20
6:10 am-6:32 pm
2 stops22h 22m
$770
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Wed 9/2
6:50 pm-6:40 pm
1 stop13h 50m
Sofia
Mon 9/14
2:20 pm-11:55 am
1 stop31h 35m
$786
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Mon 9/21
11:59 pm-11:15 pm
2 stops37h 16m
Sofia
Wed 9/30
6:20 am-11:55 am
1 stop15h 35m
$787
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Thu 10/8
10:42 am-11:15 pm
2 stops26h 33m
Sofia
Tue 10/20
6:10 am-2:22 pm
2 stops18h 12m
$820
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Thu 8/13
1:16 pm-11:15 pm
2 stops23h 59m
Sofia
Thu 8/20
6:10 am-4:59 pm
1 stop20h 49m
$864
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Sun 8/2
6:50 pm-12:50 pm
2 stops32h 00m
Varna
Tue 9/15
4:00 pm-11:55 am
2 stops29h 55m
$869
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Tue 7/14
6:50 pm-11:15 pm
1 stop18h 25m
Sofia
Wed 8/26
6:10 am-11:26 pm
3 stops27h 16m
$881
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sat 6/27
12:35 pm-8:45 am
1 stop34h 10m
Sofia
Fri 7/3
9:35 am-10:40 am
1 stop35h 05m
$886
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Thu 9/10
7:15 pm-9:10 am
1 stop27h 55m
Varna
Tue 9/29
9:20 am-5:20 pm
1 stop18h 00m
$888
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Wed 9/9
7:15 pm-8:30 am
1 stop27h 15m
Varna
Tue 9/29
9:20 am-5:20 pm
1 stop18h 00m
$888
Showing 1-10 of 42 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 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 4, 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.
Boarding
7.8
Food
7.3
Overall
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Food
7.3
Overall
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Food
7.3
Overall
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Food
7.3
Overall
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Food
7.3
Overall
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Food
7.3
Overall
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from Seattle to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Bulgaria
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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 June 4, 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$908 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$541 | Average$917 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$545 | Average$885 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$572 | Average$845 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$884 | Average$897 | FlexibilityNo cancel fee | On-time78% |