$466+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Oct 26 — Nov 21
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Bulgaria with Cheapflights
1. Tell us where you want to go
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Bulgaria
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Last-minute
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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 September 26, 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 September 26, 2026.
This Justfly.com deal was found by Cheapflights users on 9/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:20 pm -
1 stop31h 05m
Mon 10/198:10 pm -
1 stop25h 25m
Deal found 9/22![British Airways logo]()
$621
This oojo deal was found by Cheapflights users on 9/22. 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.
Sun 10/253:50 pm -
1 stop22h 05m
Tue 11/107:05 pm -
1 stop27h 55m
Deal found 9/22![Lufthansa logo]()
$627
This oojo deal was found by Cheapflights users on 9/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:50 pm -
1 stop18h 25m
Wed 10/286:00 am -
1 stop17h 00m
Deal found 9/23![Lufthansa logo]()
$633
This United deal was found by Cheapflights users on 9/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:40 am -
2 stops27h 15m
Tue 11/106:00 am -
2 stops22h 22m
Deal found 9/22![Multiple Airlines logo]()
$634
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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.
Wed 10/218:25 am -
2 stops17h 15m
Wed 10/287:55 am -
2 stops24h 22m
Deal found 9/23![Austrian Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Wed 10/216:50 pm -
1 stop18h 25m
Wed 10/287:55 am -
2 stops24h 22m
Deal found 9/23![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Tue 11/247:00 am -
2 stops20h 15m
Tue 12/12:00 pm -
1 stop33h 00m
Deal found 9/23![United Airlines logo]()
$661
This Air Canada deal was found by Cheapflights users on 9/21. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:15 pm -
2 stops45h 40m
Tue 12/16:00 am -
2 stops37h 32m
Deal found 9/21![Multiple Airlines logo]()
$663
This Mytrip deal was found by Cheapflights users on 9/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:35 pm -
2 stops23h 00m
Fri 11/205:00 am -
3 stops22h 00m
Deal found 9/23![Multiple Airlines logo]()
$672
This oojo deal was found by Cheapflights users on 9/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/152:50 pm -
1 stop17h 30m
Sat 11/217:05 pm -
1 stop27h 55m
Deal found 9/21![Lufthansa logo]()
$674
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Sat 11/2111:59 pm -
2 stops36h 56m
Tue 12/12:00 pm -
1 stop33h 00m
Deal found 9/21![United Airlines logo]()
$678
This Turkish Airlines deal was found by Cheapflights users on 9/23. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:15 pm -
1 stop33h 45m
Tue 11/34:00 pm -
1 stop36h 10m
Deal found 9/23![Turkish Airlines logo]()
$679
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 September 26, 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 September 26, 2026.
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Tue 11/247:00 am -
2 stops20h 15m
Tue 12/12:00 pm -
1 stop33h 00m
Deal found 9/23![United Airlines logo]()
$661
This Turkish Airlines deal was found by Cheapflights users on 9/24. 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.
Tue 3/27:05 pm -
1 stop34h 05m
Mon 3/159:30 am -
1 stop17h 40m
Deal found 9/24![Turkish Airlines logo]()
$717
This Expedia deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/210:32 am -
2 stops23h 38m
Mon 3/155:15 pm -
1 stop28h 10m
Deal found 9/24![British Airways logo]()
$723
This Expedia deal was found by Cheapflights users on 9/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:09 am -
2 stops21h 06m
Thu 11/124:00 pm -
2 stops38h 56m
Deal found 9/21![Austrian Airlines logo]()
$907
This Mytrip deal was found by Cheapflights users on 9/24. 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.
Thu 10/2210:50 am -
3 stops19h 00m
Tue 10/274:30 pm -
3 stops29h 30m
Deal found 9/24![Multiple Airlines logo]()
$1,011
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Sat 11/2111:59 pm -
2 stops36h 56m
Tue 12/12:00 pm -
1 stop33h 00m
Deal found 9/21![United Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Sun 11/155:05 am -
2 stops31h 50m
Sat 11/212:00 pm -
1 stop33h 00m
Deal found 9/21![United Airlines logo]()
$694
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Mon 3/19:02 am -
2 stops27h 53m
Sun 3/146:00 am -
2 stops27h 33m
Deal found 9/21![United Airlines logo]()
$699
This Turkish Airlines deal was found by Cheapflights users on 9/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:05 pm -
1 stop26h 45m
Thu 11/129:40 pm -
1 stop29h 30m
Deal found 9/21![Turkish Airlines logo]()
$849
This United Airlines deal was found by Cheapflights users on 9/24. 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 1/1710:54 am -
2 stops16h 21m
Thu 1/216:25 am -
1 stop15h 35m
Deal found 9/24![United Airlines logo]()
$722
This oojo deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:15 pm -
1 stop16h 20m
Tue 10/279:40 am -
1 stop17h 30m
Deal found 9/24![Turkish Airlines logo]()
$878
This United Airlines deal was found by Cheapflights users on 9/25. 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 12/2611:03 pm -
2 stops28h 12m
Thu 1/146:25 am -
2 stops48h 34m
Deal found 9/25![United Airlines logo]()
$724
This Mytrip deal was found by Cheapflights users on 9/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:50 pm -
3 stops33h 00m
Thu 11/127:10 pm -
3 stops27h 50m
Deal found 9/21![Multiple Airlines logo]()
$1,113
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Thu 3/189:02 am -
2 stops28h 53m
Mon 5/102:05 pm -
2 stops34h 10m
Deal found 9/22![United Airlines logo]()
$729
This Booking.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:50 am -
3 stops26h 00m
Fri 10/164:45 pm -
3 stops34h 35m
Deal found 9/26![Multiple Airlines logo]()
$1,492
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated September 26, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated September 26, 2026 and is based on user searches.
This Turkish Airlines deal was found by Cheapflights users on 9/22. 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.
Sun 10/47:15 pm -
1 stop33h 45m
Wed 10/284:00 pm -
1 stop35h 10m
Deal found 9/22![Turkish Airlines logo]()
$746
This Justfly.com deal was found by Cheapflights users on 9/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:20 pm -
1 stop31h 05m
Mon 10/198:10 pm -
1 stop25h 25m
Deal found 9/22![British Airways logo]()
$621
This Turkish Airlines deal was found by Cheapflights users on 9/23. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:15 pm -
1 stop33h 45m
Tue 11/34:00 pm -
1 stop36h 10m
Deal found 9/23![Turkish Airlines logo]()
$679
This oojo deal was found by Cheapflights users on 9/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:50 pm -
1 stop18h 25m
Wed 10/286:00 am -
1 stop17h 00m
Deal found 9/23![Lufthansa logo]()
$633
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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.
Wed 10/218:25 am -
2 stops17h 15m
Wed 10/287:55 am -
2 stops24h 22m
Deal found 9/23![Austrian Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Wed 10/216:50 pm -
1 stop18h 25m
Wed 10/287:55 am -
2 stops24h 22m
Deal found 9/23![United Airlines logo]()
$654
This Air Canada deal was found by Cheapflights users on 9/23. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:50 am -
2 stops21h 15m
Wed 10/286:25 am -
3 stops24h 32m
Deal found 9/23![Air Canada logo]()
$757
This oojo deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:15 pm -
1 stop16h 20m
Tue 10/279:40 am -
1 stop17h 30m
Deal found 9/24![Turkish Airlines logo]()
$878
This oojo deal was found by Cheapflights users on 9/22. 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.
Sun 10/253:50 pm -
1 stop22h 05m
Tue 11/107:05 pm -
1 stop27h 55m
Deal found 9/22![Lufthansa logo]()
$627
This United deal was found by Cheapflights users on 9/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:40 am -
2 stops27h 15m
Tue 11/106:00 am -
2 stops22h 22m
Deal found 9/22![Multiple Airlines logo]()
$634
This Turkish Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:05 pm -
1 stop34h 05m
Tue 11/34:00 pm -
1 stop36h 10m
Deal found 9/26![Turkish Airlines logo]()
$680
This Air Canada deal was found by Cheapflights users on 9/22. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:05 pm -
3 stops33h 20m
Tue 11/106:00 am -
2 stops25h 57m
Deal found 9/22![Air Canada logo]()
$739
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 September 26, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Wed 11/42:50 pm -
1 stop22h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![United Airlines logo]()
$466
This Air Canada deal was found by Cheapflights users on 9/23. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:05 pm -
3 stops32h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Air Canada logo]()
$531
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 12/197:10 pm -
3 stops56h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$708
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 September 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $621 (Justfly.com) |
One-way from | $466 (United Airlines) |
Popular in | June |
Cheapest in | October |
Average price | $825 |
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 September 26, 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
Wed 11/4
2:50 pm-10:55 pm
1 stop22h 05m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$466
Quickest round-trip
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Wed 11/4
2:50 pm-6:20 pm
1 stop17h 30m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$466
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Wed 11/4
7:05 pm-1:25 pm
3 stops32h 20m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$531
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Tue 11/24
7:00 am-1:15 pm
2 stops20h 15m
Sofia
Tue 12/1
2:00 pm-1:00 pm
1 stop33h 00m
$661
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sat 11/21
11:59 pm-10:55 pm
2 stops36h 56m
Sofia
Tue 12/1
2:00 pm-1:00 pm
1 stop33h 00m
$678
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sun 11/15
5:05 am-10:55 pm
2 stops31h 50m
Sofia
Sat 11/21
2:00 pm-1:00 pm
1 stop33h 00m
$694
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Mon 3/1
9:02 am-10:55 pm
2 stops27h 53m
Sofia
Sun 3/14
6:00 am-11:33 pm
2 stops27h 33m
$699
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Tue 3/2
7:05 pm-3:10 pm
1 stop34h 05m
Sofia
Mon 3/15
9:30 am-6:10 pm
1 stop17h 40m
$717
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sun 1/17
10:54 am-1:15 pm
2 stops16h 21m
Sofia
Thu 1/21
6:25 am-12:00 pm
1 stop15h 35m
$722
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Tue 3/2
10:32 am-8:10 pm
2 stops23h 38m
Sofia
Mon 3/15
5:15 pm-12:25 pm
1 stop28h 10m
$723
Showing 1-10 of 18 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, October is the cheapest month in which you can book a flight from Seattle to Bulgaria (average of $605). Flying from Seattle to Bulgaria in June is currently the most expensive (average of $1,147). 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 23 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 September 26, 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.
Entertainment
7.2
Crew
8.4
Boarding
7.8
Overall
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Crew
8.4
Boarding
7.8
Overall
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Crew
8.4
Boarding
7.8
Overall
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Crew
8.4
Boarding
7.8
Overall
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Crew
8.4
Boarding
7.8
Overall
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Crew
8.4
Boarding
7.8
Overall
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Related info for your journey
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Alternative routes for Seattle to Bulgaria
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Search flights from Seattle to Bulgaria by cabin class
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Seattle and 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 September 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$909 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$540 | Average$912 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$545 | Average$902 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$580 | Average$881 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$884 | Average$897 | FlexibilityNo cancel fee | On-time78% |