$306+ Cheap flights from Seattle (SEA) to Bulgaria
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Dec 2 — Dec 91
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Bulgaria with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 November 2, 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 November 2, 2026.
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/287:05 pm -
1 stop34h 05m
Fri 1/299:30 am -
1 stop17h 40m
Deal found 10/29![Turkish Airlines logo]()
$775
This Turkish Airlines deal was found by Cheapflights users on 11/2. 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.
Mon 11/167:05 pm -
1 stop27h 35m
Wed 12/24:00 pm -
1 stop35h 10m
Deal found 11/2![Turkish Airlines logo]()
$788
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 12/62:50 pm -
1 stop22h 05m
Thu 12/176:25 am -
1 stop15h 35m
Deal found 10/30![United Airlines logo]()
$806
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 12/88:09 am -
2 stops19h 06m
Thu 12/176:25 am -
1 stop15h 35m
Deal found 10/30![United Airlines logo]()
$811
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/287:00 am -
2 stops29h 55m
Fri 1/292:10 pm -
2 stops40h 49m
Deal found 10/29![Multiple Airlines logo]()
$813
This Justfly.com deal was found by Cheapflights users on 10/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:51 am -
2 stops19h 29m
Mon 12/215:15 pm -
1 stop28h 10m
Deal found 10/30![Multiple Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 12/71:50 pm -
1 stop13h 35m
Wed 12/236:25 am -
1 stop15h 35m
Deal found 10/30![United Airlines logo]()
$817
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 12/62:50 pm -
1 stop22h 05m
Tue 12/222:00 pm -
1 stop33h 00m
Deal found 10/30![United Airlines logo]()
$819
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/54:04 pm -
2 stops44h 51m
Wed 12/236:25 am -
1 stop15h 35m
Deal found 10/30![United Airlines logo]()
$822
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 12/72:05 pm -
2 stops22h 50m
Thu 12/176:00 am -
2 stops27h 58m
Deal found 10/30![United Airlines logo]()
$823
This Turkish Airlines deal was found by Cheapflights users on 10/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:05 pm -
1 stop27h 35m
Fri 12/49:45 pm -
1 stop29h 25m
Deal found 10/30![Turkish Airlines logo]()
$828
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:09 am -
2 stops24h 06m
Wed 11/184:00 pm -
2 stops38h 56m
Deal found 10/30![Multiple Airlines logo]()
$994
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 November 2, 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 November 2, 2026.
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 2/77:00 am -
2 stops20h 15m
Thu 2/116:25 am -
1 stop15h 35m
Deal found 11/1![United Airlines logo]()
$731
This Turkish Airlines deal was found by Cheapflights users on 11/2. 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.
Mon 11/167:05 pm -
1 stop27h 35m
Wed 12/24:00 pm -
1 stop35h 10m
Deal found 11/2![Turkish Airlines logo]()
$788
This Justfly.com deal was found by Cheapflights users on 10/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/281:50 pm -
1 stop23h 10m
Fri 1/292:10 pm -
2 stops40h 49m
Deal found 10/29![Multiple Airlines logo]()
$825
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/287:00 am -
2 stops29h 55m
Fri 1/292:10 pm -
3 stops33h 03m
Deal found 10/29![United Airlines logo]()
$819
This Turkish Airlines deal was found by Cheapflights users on 10/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:05 pm -
1 stop27h 35m
Fri 12/49:45 pm -
1 stop29h 25m
Deal found 10/30![Turkish Airlines logo]()
$828
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 12/62:50 pm -
1 stop22h 05m
Mon 12/142:00 pm -
3 stops43h 44m
Deal found 10/30![United Airlines logo]()
$829
This Turkish Airlines deal was found by Cheapflights users on 10/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:05 pm -
1 stop27h 35m
Fri 12/1811:40 am -
1 stop15h 30m
Deal found 10/30![Turkish Airlines logo]()
$848
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 12/78:09 am -
2 stops19h 06m
Tue 12/227:55 am -
2 stops38h 05m
Deal found 10/30![United Airlines logo]()
$837
This Turkish Airlines deal was found by Cheapflights users on 10/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:05 pm -
1 stop27h 35m
Tue 12/224:00 pm -
1 stop35h 10m
Deal found 10/30![Turkish Airlines logo]()
$848
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/137:00 am -
2 stops20h 15m
Sun 12/206:00 am -
2 stops25h 59m
Deal found 10/29![United Airlines logo]()
$873
This Turkish Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 4/187:15 pm -
1 stop16h 05m
Wed 4/2110:10 pm -
1 stop29h 10m
Deal found 10/29![Turkish Airlines logo]()
$1,142
This Turkish Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/218:05 pm -
1 stop27h 45m
Thu 3/259:50 pm -
1 stop29h 20m
Deal found 11/1![Turkish Airlines logo]()
$1,142
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated November 2, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated November 2, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 11/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:50 pm -
1 stop22h 05m
Tue 11/246:25 am -
2 stops25h 32m
Deal found 11/1![Multiple Airlines logo]()
$964
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:09 am -
2 stops24h 06m
Wed 11/184:00 pm -
2 stops38h 56m
Deal found 10/30![Multiple Airlines logo]()
$994
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:50 pm -
1 stop18h 25m
Wed 11/254:00 pm -
2 stops30h 00m
Deal found 10/30![Lufthansa logo]()
$996
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:09 am -
2 stops24h 06m
Sat 11/214:00 pm -
2 stops38h 56m
Deal found 10/30![Multiple Airlines logo]()
$1,044
This Justfly.com deal was found by Cheapflights users on 10/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:50 pm -
1 stop18h 25m
Sat 11/214:00 pm -
2 stops30h 00m
Deal found 10/30![Lufthansa logo]()
$1,046
This Turkish Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:05 pm -
1 stop29h 45m
Thu 11/269:30 am -
1 stop17h 40m
Deal found 11/1![Turkish Airlines logo]()
$928
This Turkish Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:05 pm -
1 stop15h 50m
Thu 11/269:30 am -
1 stop17h 40m
Deal found 11/1![Turkish Airlines logo]()
$955
This Turkish Airlines deal was found by Cheapflights users on 11/2. 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.
Mon 11/167:05 pm -
1 stop27h 35m
Wed 12/24:00 pm -
1 stop35h 10m
Deal found 11/2![Turkish Airlines logo]()
$788
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:35 pm -
3 stops35h 25m
Wed 12/24:00 pm -
3 stops35h 00m
Deal found 11/2![Multiple Airlines logo]()
$849
This Turkish Airlines deal was found by Cheapflights users on 10/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:05 pm -
1 stop27h 35m
Fri 12/49:45 pm -
1 stop29h 25m
Deal found 10/30![Turkish Airlines logo]()
$828
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:50 pm -
3 stops35h 10m
Fri 12/45:00 am -
3 stops19h 37m
Deal found 10/30![Multiple Airlines logo]()
$850
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/272:50 pm -
1 stop22h 05m
Fri 12/46:25 am -
3 stops27h 19m
Deal found 10/30![United Airlines logo]()
$866
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 November 2, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated November 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/232:35 pm -
2 stops36h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Tue 11/242:35 pm -
2 stops34h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/252:35 pm -
3 stops33h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/262:35 pm -
3 stops39h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/282:35 pm -
2 stops34h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Fri 11/272:35 pm -
3 stops31h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Sun 11/222:35 pm -
2 stops21h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:35 pm -
3 stops41h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$524
This oojo deal was found by Cheapflights users on 10/30. 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.
Sat 11/71:50 pm -
1 stop18h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Lufthansa logo]()
$641
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am -
2 stops22h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Austrian Airlines logo]()
$646
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 November 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $731 (United Airlines) |
One-way from | $306 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $737 |
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 7,457,451 searches. Data last updated November 2, 2026.
Use the filters below to find and compare flights from Seattle to Bulgaria that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Fri 11/27
2:35 pm-8:30 am
3 stops31h 55m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$363
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Thu 11/26
2:35 pm-10:00 pm
2 stops21h 25m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$397
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sat 11/28
2:35 pm-11:00 am
3 stops34h 25m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$407
SeattleVarna
SEA Seattle/Tacoma Intl - VAR Varna
SEAVAR
Seattle/Tacoma Intl
Sat 11/7
2:35 pm-6:05 pm
3 stops41h 30m
Varna
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$524
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Tue 11/24
6:45 pm-8:10 pm
1 stop15h 25m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$580
Quickest round-trip
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Mon 11/23
1:50 pm-1:25 pm
1 stop13h 35m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$600
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Thu 11/26
6:45 pm-7:20 pm
1 stop14h 35m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$630
SeattleVarna
SEA Seattle/Tacoma Intl - VAR Varna
SEAVAR
Seattle/Tacoma Intl
Sat 11/7
1:50 pm-6:15 pm
1 stop18h 25m
Varna
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$641
SeattleVarna
SEA Seattle/Tacoma Intl - VAR Varna
SEAVAR
Seattle/Tacoma Intl
Sat 11/7
7:00 am-3:15 pm
2 stops22h 15m
Varna
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$646
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sun 2/7
7:00 am-1:15 pm
2 stops20h 15m
Sofia
Thu 2/11
6:25 am-12:00 pm
1 stop15h 35m
$731
Showing 1-10 of 23 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
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
What is the cheapest month to book a flight from Seattle to Bulgaria?
Currently, January is the cheapest month in which you can book a flight from Seattle to Bulgaria (average of $615). Flying from Seattle to Bulgaria in June is currently the most expensive (average of $1,170). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How far ahead should I book a flight from Seattle to Bulgaria?
Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Bulgaria. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Bulgaria
Get insights into the airlines that provide service to Bulgaria. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bulgaria. Reviews last updated November 2, 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.
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.4
Boarding
7.8
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.4
Boarding
7.8
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.4
Boarding
7.8
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.4
Boarding
7.8
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.4
Boarding
7.8
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Crew
8.4
Entertainment
7.2
Overall
7.8
Food
7.4
Boarding
7.8
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
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
See prices for flight routes from nearby airports that may be better suited for you.
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 November 2, 2026.
Popular flight searches
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Seattle to Bulgaria flights
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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 7,457,451 searches. Data last updated November 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$909 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$549 | Average$920 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$596 | Average$887 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$830 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$884 | Average$897 | FlexibilityNo cancel fee | On-time78% |