$314+ Cheap flights from Seattle (SEA) to Bulgaria
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
May 31 — Jun 71
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 May 1, 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 May 1, 2026.
This oojo deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Tue 5/199:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$688
This FlightHub deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:10 pm
SEA
- SOF
1 stop27h 35m
Turkish Airlines
Tue 9/223:50 pm
SOF
- SEA
1 stop35h 25m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$713
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Tue 9/159:05 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 4/28![Turkish Airlines logo]()
$729
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/37:10 pm
SEA
- SOF
1 stop27h 35m
Turkish Airlines
Tue 5/193:50 pm
SOF
- SEA
1 stop35h 25m
Turkish Airlines
Deal found 4/29![Turkish Airlines logo]()
$730
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate 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 9/226:10 am
SOF
- SEA
2 stops26h 32m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$742
This Justfly.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:10 pm
SEA
- SOF
1 stop33h 50m
Turkish Airlines
Fri 9/42:05 pm
SOF
- SEA
1 stop30h 35m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$746
This Justfly.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Tue 9/159:05 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 4/26![Turkish Airlines logo]()
$749
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Thu 9/249:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 4/30![Turkish Airlines logo]()
$750
This Gotogate deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:00 am
SEA
- SOF
2 stops18h 10m
Multiple Airlines
Fri 9/186:20 am
SOF
- SEA
1 stop15h 35m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$752
This oojo deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:35 pm
SEA
- SOF
1 stop14h 40m
Turkish Airlines
Mon 9/149:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 4/26![Turkish Airlines logo]()
$754
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Mon 5/47:10 pm
SEA
- VAR
1 stop27h 20m
Turkish Airlines
Mon 5/1110:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 4/30![Turkish Airlines logo]()
$772
This oojo deal was found by Cheapflights users on 5/1. 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.
Sun 8/27:10 pm
SEA
- VAR
1 stop21h 45m
Turkish Airlines
Mon 9/143:45 am
VAR
- SEA
1 stop23h 30m
Turkish Airlines
Deal found 5/1![Turkish Airlines logo]()
$824
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 May 1, 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 May 1, 2026.
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:50 pm
SEA
- SOF
1 stop18h 25m
United Airlines
Thu 9/36:30 am
SOF
- SEA
1 stop15h 25m
United Airlines
Deal found 4/29![United Airlines logo]()
$766
This Turkish Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:10 pm
SEA
- SOF
1 stop33h 50m
Turkish Airlines
Mon 10/199:05 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 4/28![Turkish Airlines logo]()
$816
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Sun 8/26:50 pm
SEA
- VAR
2 stops34h 25m
Lufthansa
Tue 9/1511:45 am
VAR
- SEA
1 stop34h 10m
Lufthansa
Deal found 4/30![Lufthansa logo]()
$902
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Thu 6/45:30 pm
SEA
- BOJ
1 stop15h 55m
Multiple Airlines
Wed 6/1711:20 pm
BOJ
- SEA
2 stops26h 40m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,316
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:51 pm
SEA
- SOF
2 stops21h 24m
United Airlines
Tue 9/226:10 am
SOF
- SEA
2 stops18h 12m
United Airlines
Deal found 4/26![United Airlines logo]()
$770
This oojo deal was found by Cheapflights users on 5/1. 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.
Sun 8/27:10 pm
SEA
- VAR
1 stop21h 45m
Turkish Airlines
Mon 9/143:45 am
VAR
- SEA
1 stop23h 30m
Turkish Airlines
Deal found 5/1![Turkish Airlines logo]()
$824
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:50 pm
SEA
- SOF
2 stops26h 20m
United Airlines
Wed 10/146:20 am
SOF
- SEA
1 stop16h 00m
United Airlines
Deal found 4/30![United Airlines logo]()
$770
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:00 am
SEA
- SOF
2 stops32h 15m
United Airlines
Fri 9/186:20 am
SOF
- SEA
2 stops22h 39m
United Airlines
Deal found 4/27![United Airlines logo]()
$780
This Turkish Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:10 pm
SEA
- VAR
1 stop21h 45m
Turkish Airlines
Mon 10/1910:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 4/29![Turkish Airlines logo]()
$866
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:29 pm
SEA
- SOF
2 stops24h 46m
United Airlines
Tue 9/16:10 am
SOF
- SEA
3 stops27h 14m
United Airlines
Deal found 4/29![United Airlines logo]()
$781
This Turkish Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:10 pm
SEA
- VAR
1 stop27h 20m
Turkish Airlines
Wed 6/1710:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 4/26![Turkish Airlines logo]()
$932
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:06 am
SEA
- SOF
2 stops30h 09m
United Airlines
Wed 9/26:10 am
SOF
- SEA
3 stops27h 14m
United Airlines
Deal found 4/29![United Airlines logo]()
$781
This KAYAK deal was found by Cheapflights users on 5/1. 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.
Thu 7/306:50 pm
SEA
- BOJ
2 stops51h 35m
Lufthansa
Wed 8/1912:35 pm
BOJ
- SEA
1 stop14h 24m
Lufthansa
Deal found 5/1![Lufthansa logo]()
$1,145
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:50 pm
SEA
- SOF
1 stop13h 50m
United Airlines
Thu 8/206:30 am
SOF
- SEA
2 stops24h 13m
United Airlines
Deal found 4/27![United Airlines logo]()
$808
This KAYAK deal was found by Cheapflights users on 5/1. 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.
Thu 7/306:50 pm
SEA
- BOJ
2 stops51h 35m
Lufthansa
Tue 8/187:05 pm
BOJ
- SEA
1 stop26h 50m
Lufthansa
Deal found 5/1![Lufthansa logo]()
$1,280
This KAYAK deal was found by Cheapflights users on 5/1. 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.
Thu 7/306:50 pm
SEA
- BOJ
2 stops51h 35m
Lufthansa
Sun 8/169:50 am
BOJ
- SEA
1 stop17h 09m
Lufthansa
Deal found 5/1![Lufthansa logo]()
$1,282
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Thu 7/305:30 pm
SEA
- BOJ
1 stop15h 55m
Multiple Airlines
Thu 8/139:05 pm
BOJ
- SEA
2 stops26h 40m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,619
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated May 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/37:10 pm
SEA
- SOF
1 stop27h 35m
Turkish Airlines
Tue 5/193:50 pm
SOF
- SEA
1 stop35h 25m
Turkish Airlines
Deal found 4/29![Turkish Airlines logo]()
$730
This Gotogate deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/36:50 pm
SEA
- SOF
1 stop18h 25m
Multiple Airlines
Tue 5/196:10 am
SOF
- SEA
2 stops37h 55m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$894
This oojo deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Tue 5/199:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$688
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Mon 5/47:10 pm
SEA
- VAR
1 stop27h 20m
Turkish Airlines
Mon 5/1110:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 4/30![Turkish Airlines logo]()
$772
This Mytrip deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:40 pm
SEA
- SOF
2 stops20h 50m
Multiple Airlines
Tue 5/1911:25 pm
SOF
- SEA
2 stops29h 20m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$840
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Wed 5/67:10 pm
SEA
- SOF
1 stop32h 05m
Turkish Airlines
Thu 5/143:50 pm
SOF
- SEA
1 stop35h 25m
Turkish Airlines
Deal found 4/30![Turkish Airlines logo]()
$826
This KAYAK deal was found by Cheapflights users on 4/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:10 pm
SEA
- SOF
1 stop33h 50m
Turkish Airlines
Wed 5/209:50 am
SOF
- SEA
1 stop17h 25m
Turkish Airlines
Deal found 4/30![Turkish Airlines logo]()
$868
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:00 pm
SEA
- SOF
2 stops17h 00m
Multiple Airlines
Wed 5/209:05 pm
SOF
- SEA
1 stop30h 40m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$876
This oojo deal was found by Cheapflights users on 4/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Thu 6/49:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 4/30![Turkish Airlines logo]()
$787
This oojo deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Sun 6/289:05 pm
SOF
- SEA
1 stop23h 35m
Turkish Airlines
Deal found 4/28![Turkish Airlines logo]()
$859
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 May 1, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 pm
SEA
- SOF
3 stops42h 00m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:40 pm
SEA
- SOF
2 stops20h 50m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:25 pm
SEA
- BOJ
3 stops35h 55m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 pm
SEA
- SOF
3 stops44h 15m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$346
This Air France deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
Tue 8/181:30 pm
SEA
- SOF
1 stop14h 30m
Air France
Deal found 4/29![Air France logo]()
$351
This Air France deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:40 pm
SEA
- SOF
1 stop33h 20m
Air France
Deal found 4/27![Air France logo]()
$369
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:00 pm
SEA
- SOF
2 stops41h 10m
United Airlines
Deal found 4/28![United Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:25 pm
SEA
- SOF
3 stops39h 50m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/111:25 pm
SEA
- VAR
3 stops39h 15m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$447
This Trip.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:50 pm
SEA
- SOF
1 stop18h 25m
Lufthansa
Deal found 4/28![Lufthansa logo]()
$454
This Cheapflightsfares deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:33 pm
SEA
- VAR
2 stops18h 37m
SWISS
Deal found 4/26![SWISS logo]()
$679
This BusinessClass deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:10 pm
SEA
- SOF
2 stops36h 15m
British Airways
Deal found 4/29![British Airways logo]()
$1,193
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 May 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $713 (FlightHub) |
One-way from | $314 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $750 |
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 May 1, 2026.
Use the filters below to find and compare flights from Seattle to Bulgaria that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 8/16
6:50 pm-11:15 pm
1 stop18h 25m
Sofia
Thu 9/3
6:30 am-11:55 am
1 stop15h 25m
$766
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 9/6
3:51 pm-11:15 pm
2 stops21h 24m
Sofia
Tue 9/22
6:10 am-2:22 pm
2 stops18h 12m
$770
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sat 10/10
11:50 pm-12:10 pm
2 stops26h 20m
Sofia
Wed 10/14
6:20 am-12:20 pm
1 stop16h 00m
$770
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Mon 9/14
5:00 am-11:15 pm
2 stops32h 15m
Sofia
Fri 9/18
6:20 am-6:59 pm
2 stops22h 39m
$780
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Mon 8/17
12:29 pm-11:15 pm
2 stops24h 46m
Sofia
Tue 9/1
6:10 am-11:24 pm
3 stops27h 14m
$781
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 8/16
7:06 am-11:15 pm
2 stops30h 09m
Sofia
Wed 9/2
6:10 am-11:24 pm
3 stops27h 14m
$781
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Thu 8/13
6:50 pm-6:40 pm
1 stop13h 50m
Sofia
Thu 8/20
6:30 am-8:43 pm
2 stops24h 13m
$808
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Thu 10/15
7:10 pm-3:00 pm
1 stop33h 50m
Sofia
Mon 10/19
9:05 pm-5:15 pm
1 stop30h 10m
$816
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Sun 8/2
7:10 pm-2:55 am
1 stop21h 45m
Varna
Mon 9/14
3:45 am-5:15 pm
1 stop23h 30m
$824
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Thu 10/15
7:10 pm-2:55 am
1 stop21h 45m
Varna
Mon 10/19
10:10 pm-5:15 pm
1 stop29h 05m
$866
Showing 1-10 of 27 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
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.
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 May 1, 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.
Overall
7.8
Boarding
7.8
Entertainment
7.1
Crew
8.4
Comfort
7.7
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Boarding
7.8
Entertainment
7.1
Crew
8.4
Comfort
7.7
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Boarding
7.8
Entertainment
7.1
Crew
8.4
Comfort
7.7
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Boarding
7.8
Entertainment
7.1
Crew
8.4
Comfort
7.7
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Boarding
7.8
Entertainment
7.1
Crew
8.4
Comfort
7.7
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Boarding
7.8
Entertainment
7.1
Crew
8.4
Comfort
7.7
Food
7.3
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 May 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Bulgaria flights
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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 May 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$908 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$540 | Average$1,086 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$573 | Average$863 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$885 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$884 | Average$897 | FlexibilityNo cancel fee | On-time78% |