$273+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Apr 3 — Apr 101
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 March 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 March 4, 2026.
This Mytrip deal was found by Cheapflights users on 2/28. 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 Mytrip 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 10m
Multiple Airlines
Tue 9/226:10 am
SOF
- SEA
2 stops18h 12m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$545
This FlightHub deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:50 pm
SEA
- SOF
1 stop18h 10m
Lufthansa
Tue 9/226:10 am
SOF
- SEA
2 stops18h 12m
Lufthansa
Deal found 3/3![Lufthansa logo]()
$559
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Sun 12/133:10 pm
SEA
- SOF
1 stop21h 35m
United Airlines
Thu 1/76:10 am
SOF
- SEA
1 stop16h 00m
United Airlines
Deal found 2/27![United Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 3/1. 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 12/159:02 am
SEA
- SOF
2 stops27h 43m
United Airlines
Tue 1/56:10 am
SOF
- SEA
1 stop16h 00m
United Airlines
Deal found 3/1![United Airlines logo]()
$571
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Sun 12/139:02 am
SEA
- SOF
2 stops23h 18m
United Airlines
Wed 1/66:00 am
SOF
- SEA
1 stop17h 20m
United Airlines
Deal found 2/27![United Airlines logo]()
$572
This Air Canada deal was found by Cheapflights users on 3/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:00 am
SEA
- SOF
2 stops18h 10m
Air Canada
Tue 9/226:10 am
SOF
- SEA
2 stops26h 12m
Air Canada
Deal found 3/1![Air Canada logo]()
$575
This United Airlines deal was found by Cheapflights users on 2/27. 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 12/142:00 pm
SEA
- SOF
1 stop22h 45m
United Airlines
Wed 1/66:00 am
SOF
- SEA
1 stop17h 20m
United Airlines
Deal found 2/27![United Airlines logo]()
$580
This United Airlines deal was found by Cheapflights users on 3/1. 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 12/1511:44 am
SEA
- SOF
2 stops25h 01m
United Airlines
Wed 1/66:10 am
SOF
- SEA
2 stops25h 46m
United Airlines
Deal found 3/1![United Airlines logo]()
$581
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Wed 12/238:10 am
SEA
- SOF
2 stops24h 05m
United Airlines
Wed 12/306:10 am
SOF
- SEA
1 stop16h 00m
United Airlines
Deal found 2/27![United Airlines logo]()
$587
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Sun 12/133:10 pm
SEA
- SOF
1 stop21h 35m
United Airlines
Mon 1/42:25 pm
SOF
- SEA
1 stop31h 45m
United Airlines
Deal found 2/27![United Airlines logo]()
$588
This FlightHub deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
SEA
- VAR
2 stops22h 15m
Austrian Airlines
Mon 5/114:00 pm
VAR
- SEA
2 stops38h 53m
Austrian Airlines
Deal found 3/3![Austrian Airlines logo]()
$646
This FlightHub deal was found by Cheapflights users on 3/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:10 pm
SEA
- VAR
1 stop16h 10m
Turkish Airlines
Fri 5/19:35 am
VAR
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/1![Turkish Airlines logo]()
$649
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 March 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 March 4, 2026.
This KLM deal was found by Cheapflights users on 2/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:25 am
SEA
- SOF
2 stops19h 35m
KLM
Wed 4/87:00 am
SOF
- SEA
1 stop19h 30m
KLM
Deal found 2/27![KLM logo]()
$615
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:50 pm
SEA
- SOF
1 stop18h 10m
United Airlines
Wed 6/106:20 am
SOF
- SEA
2 stops36h 55m
United Airlines
Deal found 3/3![United Airlines logo]()
$626
This FlightHub deal was found by Cheapflights users on 2/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
SEA
- VAR
2 stops22h 15m
Austrian Airlines
Mon 5/114:00 pm
VAR
- SEA
2 stops38h 53m
Austrian Airlines
Deal found 2/28![Austrian Airlines logo]()
$646
This FlightHub deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:10 pm
SEA
- VAR
2 stops39h 05m
Lufthansa
Mon 5/114:00 pm
VAR
- SEA
2 stops30h 20m
Lufthansa
Deal found 3/4![Lufthansa logo]()
$663
This oojo deal was found by Cheapflights users on 3/1. 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.
Mon 5/47:10 pm
SEA
- VAR
1 stop27h 35m
Turkish Airlines
Mon 5/1110:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 3/1![Turkish Airlines logo]()
$684
This Bravofly deal was found by Cheapflights users on 3/2. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:27 am
SEA
- BOJ
2 stops26h 08m
Multiple Airlines
Thu 7/1611:25 pm
BOJ
- SEA
2 stops34h 14m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$1,089
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:10 pm
SEA
- BOJ
1 stop17h 25m
Aer Lingus
Thu 7/1611:25 pm
BOJ
- SEA
1 stop27h 45m
Aer Lingus
Deal found 3/3![Aer Lingus logo]()
$1,150
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:00 am
SEA
- SOF
2 stops32h 00m
United Airlines
Tue 4/216:10 am
SOF
- SEA
3 stops27h 17m
United Airlines
Deal found 3/3![United Airlines logo]()
$636
This KLM deal was found by Cheapflights users on 2/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:50 am
SEA
- SOF
2 stops17h 15m
KLM
Tue 4/287:00 am
SOF
- SEA
1 stop19h 30m
KLM
Deal found 2/27![KLM logo]()
$703
This oojo deal was found by Cheapflights users on 2/28. 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.
Sun 8/27:10 pm
SEA
- VAR
1 stop16h 10m
Turkish Airlines
Tue 9/159:35 am
VAR
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 2/28![Turkish Airlines logo]()
$707
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:51 pm
SEA
- SOF
2 stops21h 09m
United Airlines
Thu 8/202:10 pm
SOF
- SEA
2 stops36h 05m
United Airlines
Deal found 3/4![United Airlines logo]()
$694
This Turkish Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:10 pm
SEA
- VAR
1 stop21h 35m
Turkish Airlines
Fri 6/59:35 am
VAR
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/2![Turkish Airlines logo]()
$721
This FlightHub deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:50 pm
SEA
- VAR
2 stops34h 25m
Lufthansa
Tue 9/1512:15 pm
VAR
- SEA
1 stop33h 40m
Lufthansa
Deal found 3/4![Lufthansa logo]()
$813
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Tue 3/2410:55 am
SEA
- SOF
2 stops22h 25m
United Airlines
Tue 4/286:10 am
SOF
- SEA
2 stops24h 47m
United Airlines
Deal found 2/27![United Airlines logo]()
$706
This Turkish Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:10 pm
SEA
- VAR
1 stop16h 10m
Turkish Airlines
Sat 6/610:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 3/2![Turkish Airlines logo]()
$771
This oojo deal was found by Cheapflights users on 2/28. 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.
Tue 4/148:42 am
SEA
- VAR
2 stops26h 38m
Turkish Airlines
Tue 4/219:35 am
VAR
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 2/28![Turkish Airlines logo]()
$804
This KAYAK deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:50 pm
SEA
- BOJ
2 stops37h 25m
Lufthansa
Tue 9/157:05 pm
BOJ
- SEA
1 stop26h 50m
Lufthansa
Deal found 2/28![Lufthansa logo]()
$1,020
This KAYAK deal was found by Cheapflights users on 3/4. 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.
Wed 7/12:10 pm
SEA
- BOJ
2 stops15h 05m
Multiple Airlines
Wed 7/1512:35 pm
BOJ
- SEA
1 stop14h 24m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$1,244
This KAYAK deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:50 pm
SEA
- BOJ
2 stops31h 30m
Multiple Airlines
Wed 7/1512:35 pm
BOJ
- SEA
1 stop14h 24m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$1,248
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated March 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated March 4, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 2/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:00 pm
SEA
- SOF
1 stop27h 45m
Turkish Airlines
Mon 4/279:05 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 2/28![Turkish Airlines logo]()
$605
This FlightHub deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:00 pm
SEA
- SOF
1 stop15h 50m
Turkish Airlines
Tue 4/289:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/3![Turkish Airlines logo]()
$616
This Air France deal was found by Cheapflights users on 3/2. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:40 pm
SEA
- SOF
1 stop33h 20m
Multiple Airlines
Wed 4/87:00 am
SOF
- SEA
1 stop19h 30m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$607
This KLM deal was found by Cheapflights users on 3/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:25 am
SEA
- SOF
2 stops19h 35m
KLM
Wed 4/87:00 am
SOF
- SEA
1 stop19h 30m
KLM
Deal found 3/1![KLM logo]()
$615
This oojo deal was found by Cheapflights users on 3/3. 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 4/57:10 pm
SEA
- SOF
1 stop27h 35m
Turkish Airlines
Tue 4/219:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/3![Turkish Airlines logo]()
$606
This oojo deal was found by Cheapflights users on 2/28. 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.
Tue 4/147:10 pm
SEA
- VAR
1 stop16h 10m
Turkish Airlines
Tue 4/219:35 am
VAR
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 2/28![Turkish Airlines logo]()
$646
This FlightHub deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:10 pm
SEA
- SOF
1 stop27h 35m
Turkish Airlines
Thu 5/283:50 pm
SOF
- SEA
1 stop35h 25m
Turkish Airlines
Deal found 3/3![Turkish Airlines logo]()
$595
This FlightHub deal was found by Cheapflights users on 3/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:10 pm
SEA
- VAR
1 stop16h 10m
Turkish Airlines
Fri 5/19:35 am
VAR
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/1![Turkish Airlines logo]()
$649
This Turkish Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:10 pm
SEA
- VAR
1 stop16h 10m
Turkish Airlines
Wed 6/310:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 3/2![Turkish Airlines logo]()
$721
This Turkish Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:10 pm
SEA
- VAR
1 stop16h 10m
Turkish Airlines
Mon 6/110:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 3/2![Turkish Airlines logo]()
$761
This FlightHub deal was found by Cheapflights users on 3/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:10 pm
SEA
- VAR
1 stop16h 10m
Turkish Airlines
Wed 6/39:35 am
VAR
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/2![Turkish Airlines logo]()
$715
This FlightHub deal was found by Cheapflights users on 3/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:10 pm
SEA
- VAR
1 stop27h 35m
Turkish Airlines
Wed 6/310:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 3/2![Turkish Airlines logo]()
$656
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 March 4, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated March 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:00 pm
SEA
- SOF
3 stops34h 40m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$273
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Sat 8/111:49 pm
SEA
- SOF
2 stops32h 21m
United Airlines
Deal found 3/2![United Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:00 pm
SEA
- SOF
3 stops42h 00m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:35 pm
SEA
- SOF
2 stops33h 50m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:50 pm
SEA
- SOF
1 stop31h 20m
Lufthansa
Deal found 2/27![Lufthansa logo]()
$383
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:02 am
SEA
- SOF
3 stops25h 48m
United Airlines
Deal found 3/4![United Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 3/1. 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.
Sun 3/229:36 pm
SEA
- SOF
2 stops56h 59m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:14 pm
SEA
- SOF
3 stops35h 41m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$417
This Cheapflightsfares deal was found by Cheapflights users on 3/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
SEA
- VAR
2 stops22h 15m
Austrian Airlines
Deal found 3/3![Austrian Airlines logo]()
$533
This FlightHub deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:10 pm
SEA
- VAR
1 stop27h 35m
Turkish Airlines
Deal found 3/3![Turkish Airlines logo]()
$555
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 March 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $595 (FlightHub) |
One-way from | $273 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $654 |
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 March 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
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Wed 4/1
8:25 am-2:00 pm
2 stops19h 35m
Sofia
Wed 4/8
7:00 am-4:30 pm
1 stop19h 30m
$615
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 5/3
6:50 pm-11:00 pm
1 stop18h 10m
Sofia
Wed 6/10
6:20 am-9:15 am
2 stops36h 55m
$626
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 4/5
5:00 am-11:00 pm
2 stops32h 00m
Sofia
Tue 4/21
6:10 am-11:27 pm
3 stops27h 17m
$636
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Mon 5/4
7:00 am-3:15 pm
2 stops22h 15m
Varna
Mon 5/11
4:00 pm-8:53 pm
2 stops38h 53m
$646
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Mon 5/4
2:10 pm-3:15 pm
2 stops39h 05m
Varna
Mon 5/11
4:00 pm-12:20 pm
2 stops30h 20m
$663
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Mon 5/4
7:10 pm-8:45 am
1 stop27h 35m
Varna
Mon 5/11
10:10 pm-5:15 pm
1 stop29h 05m
$684
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Thu 8/13
3:51 pm-11:00 pm
2 stops21h 09m
Sofia
Thu 8/20
2:10 pm-4:15 pm
2 stops36h 05m
$694
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Tue 3/24
11:50 am-2:05 pm
2 stops17h 15m
Sofia
Tue 4/28
7:00 am-4:30 pm
1 stop19h 30m
$703
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Tue 3/24
10:55 am-6:20 pm
2 stops22h 25m
Sofia
Tue 4/28
6:10 am-8:57 pm
2 stops24h 47m
$706
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
Sun 8/2
7:10 pm-9:20 pm
1 stop16h 10m
Varna
Tue 9/15
9:35 am-5:15 pm
1 stop17h 40m
$707
Showing 1-10 of 30 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, July is the cheapest month in which you can book a flight from Seattle to Bulgaria (average of $510). Flying from Seattle to Bulgaria in June is currently the most expensive (average of $926). 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 March 4, 2026.
Read reviews from past customers who have flown KLM, Air France, and United 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
7.6
Overall
7.7
Entertainment
7.1
Boarding
7.8
Food
7.3
Crew
8.4
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.6
Overall
7.7
Entertainment
7.1
Boarding
7.8
Food
7.3
Crew
8.4
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.6
Overall
7.7
Entertainment
7.1
Boarding
7.8
Food
7.3
Crew
8.4
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.6
Overall
7.7
Entertainment
7.1
Boarding
7.8
Food
7.3
Crew
8.4
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.6
Overall
7.7
Entertainment
7.1
Boarding
7.8
Food
7.3
Crew
8.4
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.6
Overall
7.7
Entertainment
7.1
Boarding
7.8
Food
7.3
Crew
8.4
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 March 4, 2026.
Popular flight searches
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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 March 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$854 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$540 | Average$1,076 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$555 | Average$718 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$587 | Average$841 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$840 | FlexibilityNo cancel fee | On-time69% |