$286+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
mar. 25 — abr. 11
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 febrero 23, 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 febrero 23, 2026.
This FlightHub deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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.
dom. 9/66:50 pm
SEA
- SOF
1 stop18h 10m
Lufthansa
mar. 9/226:10 am
SOF
- SEA
2 stops18h 12m
Lufthansa
Deal found 2/20![Lufthansa logo]()
$539
This Air France deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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.
dom. 9/66:45 pm
SEA
- SOF
1 stop33h 15m
Multiple Airlines
mar. 9/227:00 am
SOF
- SEA
1 stop14h 47m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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.
dom. 9/68:35 am
SEA
- SOF
2 stops28h 25m
United Airlines
mar. 9/226:10 am
SOF
- SEA
2 stops37h 42m
United Airlines
Deal found 2/20![United Airlines logo]()
$551
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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.
mar. 12/155:30 pm
SEA
- SOF
2 stops19h 15m
United Airlines
mié. 1/66:10 am
SOF
- SEA
2 stops27h 49m
United Airlines
Deal found 2/22![United Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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.
mar. 12/1512:36 pm
SEA
- SOF
2 stops19h 44m
United Airlines
mar. 1/56:00 am
SOF
- SEA
2 stops26h 29m
United Airlines
Deal found 2/22![United Airlines logo]()
$562
This Air France deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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.
mar. 3/249:55 am
SEA
- SOF
2 stops19h 00m
Multiple Airlines
mar. 4/287:00 am
SOF
- SEA
1 stop14h 45m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$585
This Air France deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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.
mié. 4/16:40 pm
SEA
- SOF
1 stop33h 20m
Multiple Airlines
mié. 4/87:00 am
SOF
- SEA
1 stop14h 45m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$587
This Gotogate deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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.
dom. 5/36:50 pm
SEA
- SOF
1 stop18h 10m
Multiple Airlines
mié. 6/106:20 am
SOF
- SEA
2 stops26h 00m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$589
This KLM deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
mar. 4/141:45 pm
SEA
- SOF
1 stop14h 15m
KLM
mar. 4/217:00 am
SOF
- SEA
1 stop19h 30m
KLM
Deal found 2/23![KLM logo]()
$591
This BusinessClass deal was found by Cheapflights users on 2/19. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/174:35 pm
SEA
- VAR
1 stop17h 35m
Multiple Airlines
mié. 9/24:00 pm
VAR
- SEA
2 stops29h 55m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$621
This FlightHub deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
lun. 5/47:00 am
SEA
- VAR
2 stops22h 15m
Austrian Airlines
lun. 5/114:00 pm
VAR
- SEA
2 stops38h 53m
Austrian Airlines
Deal found 2/23![Austrian Airlines logo]()
$626
This oojo deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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.
mié. 4/87:10 pm
SEA
- VAR
1 stop27h 35m
Turkish Airlines
mié. 4/1510:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 2/22![Turkish Airlines logo]()
$646
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 febrero 23, 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 febrero 23, 2026.
This KLM deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
mar. 4/281:45 pm
SEA
- SOF
1 stop14h 15m
KLM
jue. 5/77:00 am
SOF
- SEA
1 stop14h 42m
KLM
Deal found 2/23![KLM logo]()
$591
This BusinessClass deal was found by Cheapflights users on 2/19. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/174:35 pm
SEA
- VAR
1 stop17h 35m
Multiple Airlines
mié. 9/24:00 pm
VAR
- SEA
2 stops29h 55m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$621
This FlightHub deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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.
lun. 5/47:00 am
SEA
- VAR
2 stops22h 15m
Austrian Airlines
lun. 5/114:00 pm
VAR
- SEA
2 stops38h 53m
Austrian Airlines
Deal found 2/22![Austrian Airlines logo]()
$626
This oojo deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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.
mié. 4/87:10 pm
SEA
- VAR
1 stop27h 35m
Turkish Airlines
mié. 4/1510:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 2/22![Turkish Airlines logo]()
$646
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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.
mié. 7/156:20 am
SEA
- SOF
3 stops30h 30m
United Airlines
mié. 7/296:10 am
SOF
- SEA
2 stops39h 45m
United Airlines
Deal found 2/22![United Airlines logo]()
$721
This Lufthansa deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/156:50 pm
SEA
- SOF
1 stop18h 10m
Lufthansa
mié. 7/296:10 am
SOF
- SEA
1 stop20h 49m
Lufthansa
Deal found 2/22![Lufthansa logo]()
$737
This Air France deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” 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.
dom. 8/21:30 pm
SEA
- VAR
1 stop16h 00m
Air France
mar. 9/158:30 am
VAR
- SEA
2 stops43h 13m
Air France
Deal found 2/21![Air France logo]()
$823
This oojo deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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.
lun. 5/47:10 pm
SEA
- VAR
1 stop27h 35m
Turkish Airlines
lun. 5/1110:10 pm
VAR
- SEA
1 stop29h 05m
Turkish Airlines
Deal found 2/20![Turkish Airlines logo]()
$682
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
mar. 6/96:50 pm
SEA
- SOF
1 stop18h 10m
United Airlines
vie. 7/106:10 am
SOF
- SEA
2 stops24h 57m
United Airlines
Deal found 2/23![United Airlines logo]()
$758
This Trip.com deal was found by Cheapflights users on 2/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/117:10 pm
SEA
- VAR
1 stop16h 10m
Turkish Airlines
mié. 9/210:10 pm
VAR
- SEA
1 stop22h 30m
Turkish Airlines
Deal found 2/19![Turkish Airlines logo]()
$691
This FlightHub deal was found by Cheapflights users on 2/19. 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.
mar. 8/116:50 pm
SEA
- VAR
1 stop15h 55m
Lufthansa
mié. 9/24:00 pm
VAR
- SEA
2 stops29h 55m
Lufthansa
Deal found 2/19![Lufthansa logo]()
$773
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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.
lun. 6/225:40 am
SEA
- SOF
2 stops26h 20m
United Airlines
mar. 7/218:00 am
SOF
- SEA
2 stops25h 59m
United Airlines
Deal found 2/22![United Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
mié. 7/17:00 am
SEA
- SOF
2 stops25h 05m
United Airlines
mié. 7/156:20 am
SOF
- SEA
2 stops20h 39m
United Airlines
Deal found 2/23![United Airlines logo]()
$803
This KAYAK deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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.
dom. 8/26:50 pm
SEA
- BOJ
2 stops37h 25m
Lufthansa
mar. 9/157:05 pm
BOJ
- SEA
1 stop26h 50m
Lufthansa
Deal found 2/22![Lufthansa logo]()
$1,000
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” 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.
mar. 6/165:40 am
SEA
- SOF
2 stops21h 25m
United Airlines
mié. 7/1512:55 pm
SOF
- SEA
1 stop14h 04m
United Airlines
Deal found 2/21![United Airlines logo]()
$895
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” 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.
mié. 6/178:00 am
SEA
- SOF
2 stops24h 05m
United Airlines
mié. 7/156:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 2/21![United Airlines logo]()
$904
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” 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.
mié. 6/178:00 am
SEA
- SOF
2 stops24h 05m
United Airlines
vie. 7/1712:55 pm
SOF
- SEA
1 stop14h 04m
United Airlines
Deal found 2/21![United Airlines logo]()
$904
This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/178:00 am
SEA
- BOJ
2 stops18h 20m
Multiple Airlines
mié. 9/212:35 pm
BOJ
- SEA
1 stop14h 24m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$1,733
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated febrero 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated febrero 23, 2026 and is based on user searches.
This Turkish Airlines deal was found by Cheapflights users on 2/19. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/257:00 pm
SEA
- VAR
1 stop28h 10m
Turkish Airlines
dom. 3/110:00 am
VAR
- SEA
2 stops46h 43m
Turkish Airlines
Deal found 2/19![Turkish Airlines logo]()
$1,304
This Turkish Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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.
jue. 3/510:55 am
SEA
- VAR
2 stops47h 40m
Turkish Airlines
lun. 3/99:25 pm
VAR
- SEA
1 stop29h 40m
Turkish Airlines
Deal found 2/22![Turkish Airlines logo]()
$1,931
This FlightHub deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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.
lun. 3/98:00 pm
SEA
- SOF
1 stop15h 50m
Turkish Airlines
lun. 4/273:50 pm
SOF
- SEA
1 stop35h 25m
Turkish Airlines
Deal found 2/20![Turkish Airlines logo]()
$605
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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.
lun. 3/99:20 am
SEA
- SOF
2 stops24h 00m
United Airlines
lun. 4/272:20 pm
SOF
- SEA
1 stop32h 00m
United Airlines
Deal found 2/20![United Airlines logo]()
$704
This FlightHub deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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.
lun. 3/98:00 am
SEA
- SOF
2 stops18h 50m
Austrian Airlines
lun. 4/276:55 pm
SOF
- SEA
2 stops34h 05m
Austrian Airlines
Deal found 2/20![Austrian Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” 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.
lun. 3/238:00 am
SEA
- SOF
2 stops25h 20m
United Airlines
lun. 3/3012:55 pm
SOF
- SEA
2 stops42h 58m
United Airlines
Deal found 2/21![United Airlines logo]()
$613
This Air France deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” 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.
lun. 3/239:55 am
SEA
- SOF
2 stops19h 10m
Multiple Airlines
lun. 3/307:00 am
SOF
- SEA
1 stop19h 30m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$688
This Air France deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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.
mar. 3/249:55 am
SEA
- SOF
2 stops19h 00m
Multiple Airlines
mar. 4/287:00 am
SOF
- SEA
1 stop14h 45m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$585
This FlightHub deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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.
mar. 3/248:00 pm
SEA
- SOF
1 stop34h 10m
Turkish Airlines
mar. 4/283:50 pm
SOF
- SEA
1 stop35h 25m
Turkish Airlines
Deal found 2/22![Turkish Airlines logo]()
$615
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 febrero 23, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated febrero 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” 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.
dom. 5/103:40 pm
SEA
- SOF
3 stops38h 55m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
mié. 6/107:00 pm
SEA
- SOF
3 stops44h 15m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
lun. 6/87:00 pm
SEA
- SOF
3 stops34h 45m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$327
This Cheapflightsfares deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
mar. 6/91:35 pm
SEA
- SOF
1 stop20h 55m
British Airways
Deal found 2/23![British Airways logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
dom. 6/77:00 pm
SEA
- SOF
3 stops34h 40m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
mar. 6/911:25 pm
SEA
- SOF
3 stops33h 30m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
lun. 6/84:35 pm
SEA
- SOF
1 stop31h 45m
SWISS
Deal found 2/23![SWISS logo]()
$350
This Air France deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
dom. 6/76:45 pm
SEA
- SOF
1 stop33h 15m
Air France
Deal found 2/23![Air France logo]()
$352
This Lufthansa deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/106:50 pm
SEA
- SOF
1 stop18h 10m
Lufthansa
Deal found 2/23![Lufthansa logo]()
$355
This Travelocity deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/99:55 am
SEA
- SOF
2 stops38h 25m
SWISS
Deal found 2/23![SWISS logo]()
$357
This Cheapflightsfares deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” 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.
lun. 5/47:00 am
SEA
- VAR
2 stops22h 15m
Austrian Airlines
Deal found 2/21![Austrian Airlines logo]()
$523
This FlightHub deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” 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.
lun. 5/47:10 pm
SEA
- VAR
1 stop27h 35m
Turkish Airlines
Deal found 2/20![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 febrero 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $556 (Air France) |
One-way from | $286 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $664 |
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 febrero 23, 2026.
Use the filters below to find and compare flights from Seattle to Bulgaria that are best for you.
Fly from
Seattle
Fly to
Bulgaria
Route
Depart
Return
Price
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
mar. 4/28
1:45 pm-2:00 pm
1 stop14h 15m
Sofia
jue. 5/7
7:00 am-11:42 am
1 stop14h 42m
$591
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
lun. 8/17
4:35 pm-8:10 pm
1 stop17h 35m
Varna
mié. 9/2
4:00 pm-11:55 am
2 stops29h 55m
$621
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
lun. 5/4
7:00 am-3:15 pm
2 stops22h 15m
Varna
lun. 5/11
4:00 pm-8:53 pm
2 stops38h 53m
$626
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
mié. 4/8
7:10 pm-8:45 am
1 stop27h 35m
Varna
mié. 4/15
10:10 pm-5:15 pm
1 stop29h 05m
$646
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
lun. 5/4
7:10 pm-8:45 am
1 stop27h 35m
Varna
lun. 5/11
10:10 pm-5:15 pm
1 stop29h 05m
$682
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
mar. 8/11
7:10 pm-9:20 pm
1 stop16h 10m
Varna
mié. 9/2
10:10 pm-10:40 am
1 stop22h 30m
$691
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
mié. 7/15
6:20 am-10:50 pm
3 stops30h 30m
Sofia
mié. 7/29
6:10 am-11:55 am
2 stops39h 45m
$721
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
mié. 7/15
6:50 pm-11:00 pm
1 stop18h 10m
Sofia
mié. 7/29
6:10 am-4:59 pm
1 stop20h 49m
$737
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
mar. 6/9
6:50 pm-11:00 pm
1 stop18h 10m
Sofia
vie. 7/10
6:10 am-9:07 pm
2 stops24h 57m
$758
SeattleVarna
SEA - VAR
SEAVAR
Seattle/Tacoma Intl
mar. 8/11
6:50 pm-8:45 pm
1 stop15h 55m
Varna
mié. 9/2
4:00 pm-11:55 am
2 stops29h 55m
$773
Showing 1-10 of 29 results
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 $947). 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 febrero 23, 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
Food
7.3
Crew
8.4
Overall
7.7
Entertainment
7.1
Boarding
7.8
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.6
Food
7.3
Crew
8.4
Overall
7.7
Entertainment
7.1
Boarding
7.8
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.6
Food
7.3
Crew
8.4
Overall
7.7
Entertainment
7.1
Boarding
7.8
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.6
Food
7.3
Crew
8.4
Overall
7.7
Entertainment
7.1
Boarding
7.8
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.6
Food
7.3
Crew
8.4
Overall
7.7
Entertainment
7.1
Boarding
7.8
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Comfort
7.6
Food
7.3
Crew
8.4
Overall
7.7
Entertainment
7.1
Boarding
7.8
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Related info for your journey
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Complete your trip
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Search flights from Seattle to Bulgaria by cabin class
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Seattle and Bulgaria flights
Browse other Seattle and Bulgaria flight options. Last updated on febrero 23, 2026.
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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 febrero 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$540 | Average$1,078 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$552 | Average$859 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$555 | Average$718 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$587 | Average$838 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$840 | FlexibilityNo cancel fee | On-time69% |