$325+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
5月 19 — 5月 261
Round-trip
1 adult, Economy
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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 4月 19, 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 4月 19, 2026.
This FlightHub deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
週四 4/237:10 pm
SEA
- SOF
1 stop33h 50m
Turkish Airlines
週四 5/289:05 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 4/16![Turkish Airlines logo]()
$595
This FlightHub deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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.
週日 9/67:10 pm
SEA
- SOF
1 stop33h 50m
Turkish Airlines
週二 9/223:50 pm
SOF
- SEA
1 stop35h 25m
Turkish Airlines
Deal found 4/14![Turkish Airlines logo]()
$620
This FlightHub deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
週二 9/87:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
週二 9/153:50 pm
SOF
- SEA
1 stop35h 25m
Turkish Airlines
Deal found 4/16![Turkish Airlines logo]()
$636
This FlightHub deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 8/77:10 pm
SEA
- SOF
1 stop27h 35m
Turkish Airlines
週五 9/49:35 am
SOF
- SEA
1 stop35h 05m
Turkish Airlines
Deal found 4/19![Turkish Airlines logo]()
$654
This oojo deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 8/147:10 pm
SEA
- SOF
1 stop27h 35m
Turkish Airlines
週五 9/119:05 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 4/19![Turkish Airlines logo]()
$661
This FlightHub deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
週四 9/1012:35 pm
SEA
- SOF
1 stop21h 40m
Turkish Airlines
週三 9/169:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 4/15![Turkish Airlines logo]()
$667
This FlightHub deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
週日 8/237:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
週五 9/43:50 pm
SOF
- SEA
1 stop28h 50m
Turkish Airlines
Deal found 4/15![Turkish Airlines logo]()
$674
This FlightHub deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
週四 8/2712:35 pm
SEA
- SOF
1 stop34h 10m
Turkish Airlines
週日 9/133:50 pm
SOF
- SEA
1 stop35h 25m
Turkish Airlines
Deal found 4/15![Turkish Airlines logo]()
$676
This oojo deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 9/67:10 pm
SEA
- SOF
1 stop27h 35m
Turkish Airlines
週六 9/193:50 pm
SOF
- SEA
1 stop35h 25m
Turkish Airlines
Deal found 4/18![Turkish Airlines logo]()
$679
This KAYAK deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
週三 8/197:10 pm
SEA
- SOF
1 stop27h 35m
Turkish Airlines
週五 9/49:05 pm
SOF
- SEA
1 stop23h 35m
Turkish Airlines
Deal found 4/15![Turkish Airlines logo]()
$681
This FlightHub deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
週一 5/47:10 pm
SEA
- VAR
1 stop27h 20m
Turkish Airlines
週一 5/1110:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 4/16![Turkish Airlines logo]()
$688
This oojo deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
週日 8/27:10 pm
SEA
- VAR
1 stop21h 45m
Turkish Airlines
週二 9/159:20 am
VAR
- SEA
1 stop17h 55m
Turkish Airlines
Deal found 4/17![Turkish Airlines logo]()
$710
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 4月 19, 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 4月 19, 2026.
This FlightHub deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 5/47:10 pm
SEA
- VAR
1 stop27h 20m
Turkish Airlines
週一 5/1110:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 4/18![Turkish Airlines logo]()
$688
This FlightHub deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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.
週日 9/66:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
週二 9/226:10 am
SOF
- SEA
2 stops18h 12m
Lufthansa
Deal found 4/14![Lufthansa logo]()
$758
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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.
週三 9/91:19 pm
SEA
- SOF
2 stops23h 56m
United Airlines
週三 9/166:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 4/14![United Airlines logo]()
$768
This SmartFares deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
週日 9/66:50 pm
SEA
- VAR
2 stops32h 00m
Multiple Airlines
週日 9/2010:25 am
VAR
- SEA
2 stops46h 17m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$879
This KAYAK deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
週六 9/58:10 am
SEA
- BOJ
2 stops18h 10m
Austrian Airlines
週六 9/1911:20 am
BOJ
- SEA
2 stops41h 39m
Austrian Airlines
Deal found 4/17![Austrian Airlines logo]()
$985
This Turkish Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
週四 10/157:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
週一 10/199:05 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 4/15![Turkish Airlines logo]()
$736
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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.
週日 9/68:10 am
SEA
- SOF
2 stops18h 00m
United Airlines
週二 9/226:10 am
SOF
- SEA
2 stops18h 12m
United Airlines
Deal found 4/14![United Airlines logo]()
$770
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
週日 8/232:26 pm
SEA
- SOF
2 stops22h 49m
United Airlines
週二 9/156:10 am
SOF
- SEA
1 stop15h 45m
United Airlines
Deal found 4/16![United Airlines logo]()
$771
This Turkish Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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.
週四 9/1012:35 pm
SEA
- SOF
1 stop21h 40m
Turkish Airlines
週一 9/149:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 4/14![Turkish Airlines logo]()
$776
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
週一 8/245:00 am
SEA
- SOF
2 stops31h 40m
United Airlines
週二 9/156:10 am
SOF
- SEA
1 stop15h 45m
United Airlines
Deal found 4/16![United Airlines logo]()
$783
This Justfly.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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.
週日 8/26:50 pm
SEA
- VAR
2 stops32h 00m
Lufthansa
週二 9/154:00 pm
VAR
- SEA
2 stops29h 55m
Lufthansa
Deal found 4/14![Lufthansa logo]()
$999
This Justfly.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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.
週日 8/27:10 pm
SEA
- VAR
1 stop21h 45m
Turkish Airlines
週二 9/159:20 am
VAR
- SEA
1 stop17h 55m
Turkish Airlines
Deal found 4/14![Turkish Airlines logo]()
$828
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
週一 8/245:00 am
SEA
- SOF
2 stops27h 00m
United Airlines
週三 9/166:10 am
SOF
- SEA
2 stops26h 32m
United Airlines
Deal found 4/16![United Airlines logo]()
$794
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週六 10/35:15 pm
SEA
- SOF
2 stops32h 55m
United Airlines
週二 10/276:00 am
SOF
- SEA
3 stops26h 21m
United Airlines
Deal found 4/19![United Airlines logo]()
$804
This Turkish Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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.
週四 9/1012:35 pm
SEA
- VAR
1 stop28h 20m
Turkish Airlines
週一 9/1410:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 4/14![Turkish Airlines logo]()
$904
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
週五 9/115:00 pm
SEA
- SOF
2 stops44h 15m
United Airlines
週三 9/166:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 4/15![United Airlines logo]()
$833
This KAYAK deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 8/27:20 pm
SEA
- BOJ
2 stops37h 00m
Lufthansa
週二 9/157:05 pm
BOJ
- SEA
1 stop26h 50m
Lufthansa
Deal found 4/18![Lufthansa logo]()
$1,261
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated 4月 19, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated 4月 19, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
週六 4/187:10 pm
SEA
- SOF
1 stop27h 35m
Turkish Airlines
週日 4/269:05 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 4/15![Turkish Airlines logo]()
$772
This FlightHub deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
週四 4/237:10 pm
SEA
- SOF
1 stop33h 50m
Turkish Airlines
週四 5/289:05 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 4/16![Turkish Airlines logo]()
$595
This Turkish Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
週四 4/237:10 pm
SEA
- SOF
1 stop33h 50m
Multiple Airlines
週四 5/289:35 am
SOF
- SEA
2 stops23h 35m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$834
This FlightHub deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
週一 5/47:10 pm
SEA
- VAR
1 stop27h 20m
Turkish Airlines
週一 5/1110:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 4/15![Turkish Airlines logo]()
$688
This Air France deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 5/49:45 pm
SEA
- VAR
2 stops55h 45m
Air France
週一 5/118:30 am
VAR
- SEA
2 stops21h 41m
Air France
Deal found 4/15![Air France logo]()
$1,140
This FlightHub deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
週二 5/58:38 am
SEA
- SOF
2 stops25h 37m
Turkish Airlines
週二 5/129:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 4/15![Turkish Airlines logo]()
$749
This Mytrip deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
週二 5/57:00 pm
SEA
- SOF
3 stops32h 50m
Multiple Airlines
週二 5/1211:25 pm
SOF
- SEA
3 stops31h 43m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$812
This Justfly.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
週四 5/147:10 pm
SEA
- SOF
1 stop33h 50m
Turkish Airlines
週五 5/229:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 4/15![Turkish Airlines logo]()
$859
This Trip.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 5/267:10 pm
SEA
- VAR
1 stop16h 10m
Turkish Airlines
週二 6/99:20 am
VAR
- SEA
1 stop17h 55m
Turkish Airlines
Deal found 4/18![Turkish Airlines logo]()
$1,036
This Air France deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 5/261:30 pm
SEA
- VAR
2 stops32h 20m
Air France
週二 6/98:30 am
VAR
- SEA
2 stops43h 00m
Air France
Deal found 4/18![Air France logo]()
$1,253
This Expedia deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 5/266:50 pm
SEA
- VAR
1 stop15h 55m
Lufthansa
週二 6/91:25 pm
VAR
- SEA
2 stops37h 34m
Lufthansa
Deal found 4/18![Lufthansa logo]()
$1,264
This Mytrip deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 5/263:40 pm
SEA
- VAR
3 stops19h 40m
Multiple Airlines
週二 6/911:45 pm
VAR
- SEA
2 stops25h 55m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,356
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 4月 19, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated 4月 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
週五 5/297:00 pm
SEA
- SOF
3 stops40h 55m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 7/197:00 pm
SEA
- SOF
3 stops58h 45m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$349
This Air France deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 7/201:30 pm
SEA
- SOF
1 stop14h 30m
Air France
Deal found 4/18![Air France logo]()
$368
This Air France deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 7/196:35 pm
SEA
- SOF
1 stop33h 25m
Air France
Deal found 4/18![Air France logo]()
$370
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 7/195:00 am
SEA
- SOF
2 stops32h 15m
United Airlines
Deal found 4/18![United Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
週五 7/243:40 pm
SEA
- SOF
3 stops44h 15m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 6/1511:25 pm
SEA
- SOF
3 stops49h 45m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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.
週一 6/17:00 pm
SEA
- VAR
3 stops44h 20m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 7/2011:25 pm
SEA
- SOF
3 stops38h 10m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$412
This Air France deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 7/246:35 pm
SEA
- SOF
1 stop33h 25m
Air France
Deal found 4/15![Air France logo]()
$429
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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.
週五 7/2411:49 pm
SEA
- SOF
2 stops27h 11m
United Airlines
Deal found 4/15![United Airlines logo]()
$449
This FlightHub deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
週一 5/47:10 pm
SEA
- VAR
1 stop27h 20m
Turkish Airlines
Deal found 4/16![Turkish Airlines logo]()
$576
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 4月 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $595 (FlightHub) |
One-way from | $325 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $612 |
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 4月 19, 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
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
週一 5/4
7:10 pm-8:30 am
1 stop27h 20m
Varna
週一 5/11
10:10 pm-5:15 pm
1 stop29h 05m
$688
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
週四 10/15
7:10 pm-8:15 pm
1 stop15h 05m
Sofia
週一 10/19
9:05 pm-5:15 pm
1 stop30h 10m
$736
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
週日 9/6
6:50 pm-11:15 pm
1 stop18h 25m
Sofia
週二 9/22
6:10 am-2:22 pm
2 stops18h 12m
$758
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
週三 9/9
1:19 pm-11:15 pm
2 stops23h 56m
Sofia
週三 9/16
6:10 am-4:59 pm
1 stop20h 49m
$768
Quickest round-trip
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
週日 9/6
8:10 am-12:10 pm
2 stops18h 00m
Sofia
週二 9/22
6:10 am-2:22 pm
2 stops18h 12m
$770
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
週日 8/23
2:26 pm-11:15 pm
2 stops22h 49m
Sofia
週二 9/15
6:10 am-11:55 am
1 stop15h 45m
$771
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
週四 9/10
12:35 pm-8:15 pm
1 stop21h 40m
Sofia
週一 9/14
9:35 am-5:15 pm
1 stop17h 40m
$776
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
週一 8/24
5:00 am-10:40 pm
2 stops31h 40m
Sofia
週二 9/15
6:10 am-11:55 am
1 stop15h 45m
$783
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
週一 8/24
5:00 am-6:00 pm
2 stops27h 00m
Sofia
週三 9/16
6:10 am-10:42 pm
2 stops26h 32m
$794
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
週六 10/3
5:15 pm-12:10 pm
2 stops32h 55m
Sofia
週二 10/27
6:00 am-11:21 pm
3 stops26h 21m
$804
Showing 1-10 of 28 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, April is the cheapest month in which you can book a flight from Seattle to Bulgaria (average of $481). 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.
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 4月 19, 2026.
Read reviews from past customers who have flown KLM,Austrian Airlines, andUnited 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
Overall
7.8
Boarding
7.8
Crew
8.4
Food
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.7
Overall
7.8
Boarding
7.8
Crew
8.4
Food
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.7
Overall
7.8
Boarding
7.8
Crew
8.4
Food
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.7
Overall
7.8
Boarding
7.8
Crew
8.4
Food
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.7
Overall
7.8
Boarding
7.8
Crew
8.4
Food
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.7
Overall
7.8
Boarding
7.8
Crew
8.4
Food
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
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 4月 19, 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 4月 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$908 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$541 | Average$1,081 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$580 | Average$861 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$830 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$884 | Average$897 | FlexibilityNo cancel fee | On-time78% |