$412+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Nov 2 — Nov 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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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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Best
Last-minute
One-way
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 October 3, 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 October 3, 2026.
This FlightHub deal was found by Cheapflights users on 9/29. 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.
Thu 11/267:05 pm -
1 stop15h 45m
Wed 12/29:30 am -
1 stop17h 40m
Deal found 9/29![Turkish Airlines logo]()
$677
This Turkish Airlines deal was found by Cheapflights users on 9/30. 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.
Sun 10/117:15 pm -
1 stop33h 45m
Tue 10/279:40 pm -
1 stop29h 30m
Deal found 9/30![Turkish Airlines logo]()
$679
This Turkish Airlines deal was found by Cheapflights users on 10/2. 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 11/127:05 pm -
1 stop34h 05m
Thu 11/199:30 am -
1 stop17h 40m
Deal found 10/2![Turkish Airlines logo]()
$680
This Turkish Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:05 pm -
1 stop15h 45m
Sat 12/59:30 am -
1 stop17h 40m
Deal found 9/29![Turkish Airlines logo]()
$739
This Turkish Airlines deal was found by Cheapflights users on 10/1. 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.
Wed 11/257:05 pm -
1 stop15h 45m
Sun 11/299:40 pm -
1 stop29h 30m
Deal found 10/1![Turkish Airlines logo]()
$740
This Turkish Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/147:05 pm -
1 stop34h 05m
Sat 11/214:00 pm -
1 stop35h 10m
Deal found 9/30![Turkish Airlines logo]()
$779
This Expedia deal was found by Cheapflights users on 9/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/92:50 pm -
1 stop17h 30m
Thu 1/76:00 am -
2 stops37h 32m
Deal found 9/30![Multiple Airlines logo]()
$796
This Expedia deal was found by Cheapflights users on 9/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/138:09 am -
2 stops29h 46m
Thu 12/246:25 am -
1 stop15h 35m
Deal found 9/29![Multiple Airlines logo]()
$797
This Mytrip deal was found by Cheapflights users on 9/30. 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.
Sat 11/142:35 pm -
3 stops35h 25m
Sat 11/215:00 am -
3 stops22h 00m
Deal found 9/30![Multiple Airlines logo]()
$803
This Expedia deal was found by Cheapflights users on 9/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/91:50 pm -
1 stop23h 10m
Thu 1/76:25 am -
1 stop15h 35m
Deal found 9/30![Lufthansa logo]()
$807
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 October 3, 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 October 3, 2026.
This Turkish Airlines deal was found by Cheapflights users on 10/2. 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 11/127:05 pm -
1 stop34h 05m
Thu 11/199:30 am -
1 stop17h 40m
Deal found 10/2![Turkish Airlines logo]()
$680
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Sun 1/1710:52 am -
2 stops16h 23m
Thu 1/216:25 am -
1 stop15h 35m
Deal found 10/2![United Airlines logo]()
$722
This Expedia deal was found by Cheapflights users on 9/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/91:50 pm -
2 stops23h 05m
Thu 1/76:00 am -
2 stops37h 32m
Deal found 9/30![Multiple Airlines logo]()
$829
This Turkish Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 11/267:05 pm -
1 stop15h 45m
Sun 11/299:40 pm -
1 stop29h 30m
Deal found 10/1![Turkish Airlines logo]()
$740
This United Airlines deal was found by Cheapflights users on 9/29. 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 12/136:15 am -
3 stops30h 45m
Thu 12/246:25 am -
2 stops48h 34m
Deal found 9/29![United Airlines logo]()
$821
This Gotogate deal was found by Cheapflights users on 10/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:50 pm -
1 stop18h 20m
Thu 11/196:00 am -
2 stops25h 57m
Deal found 10/2![Multiple Airlines logo]()
$839
This Turkish Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/147:05 pm -
1 stop34h 05m
Sat 11/214:00 pm -
1 stop35h 10m
Deal found 9/30![Turkish Airlines logo]()
$779
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 12/94:04 pm -
2 stops20h 51m
Thu 1/77:55 am -
3 stops24h 01m
Deal found 9/30![United Airlines logo]()
$867
Last-minute flights from Seattle to BulgariaDiscover last-minute flight deals from Seattle to Bulgaria. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bulgaria. Data last updated October 3, 2026 and is based on user searches.
This Turkish Airlines deal was found by Cheapflights users on 9/30. 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.
Sun 10/117:15 pm -
1 stop33h 45m
Tue 10/279:40 pm -
1 stop29h 30m
Deal found 9/30![Turkish Airlines logo]()
$679
This Turkish Airlines deal was found by Cheapflights users on 10/2. 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 11/127:05 pm -
1 stop34h 05m
Thu 11/199:30 am -
1 stop17h 40m
Deal found 10/2![Turkish Airlines logo]()
$680
This Gotogate deal was found by Cheapflights users on 9/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:10 am -
2 stops22h 10m
Thu 11/196:00 am -
2 stops22h 22m
Deal found 9/28![Multiple Airlines logo]()
$835
This Turkish Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/147:05 pm -
1 stop34h 05m
Sat 11/214:00 pm -
1 stop35h 10m
Deal found 9/30![Turkish Airlines logo]()
$779
This Mytrip deal was found by Cheapflights users on 9/30. 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.
Sat 11/142:35 pm -
3 stops35h 25m
Sat 11/215:00 am -
3 stops22h 00m
Deal found 9/30![Multiple Airlines logo]()
$803
This Turkish Airlines deal was found by Cheapflights users on 10/1. 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.
Wed 11/257:05 pm -
1 stop15h 45m
Sun 11/299:40 pm -
1 stop29h 30m
Deal found 10/1![Turkish Airlines logo]()
$740
This FlightHub deal was found by Cheapflights users on 9/29. 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.
Thu 11/267:05 pm -
1 stop15h 45m
Wed 12/29:30 am -
1 stop17h 40m
Deal found 9/29![Turkish Airlines logo]()
$677
This Turkish Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:05 pm -
1 stop15h 45m
Sat 12/59:30 am -
1 stop17h 40m
Deal found 9/29![Turkish Airlines logo]()
$739
This Mytrip deal was found by Cheapflights users on 10/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:50 pm -
3 stops27h 10m
Tue 12/12:35 pm -
3 stops32h 25m
Deal found 10/1![Multiple Airlines logo]()
$823
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 October 3, 2026.
Search for one-way flight options from Seattle to Bulgaria. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/2. 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.
Mon 2/152:35 pm -
3 stops44h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$412
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 11/42:50 pm -
1 stop22h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$466
This Air Canada deal was found by Cheapflights users on 10/1. 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.
Wed 11/47:05 pm -
3 stops32h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Air Canada logo]()
$531
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 October 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $677 (FlightHub) |
One-way from | $412 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $739 |
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 October 3, 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
SeattleBurgas
SEA Seattle/Tacoma Intl - BOJ Bourgas
SEABOJ
Seattle/Tacoma Intl
Mon 2/15
2:35 pm-8:50 pm
3 stops44h 15m
Bourgas
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$412
Quickest 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
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
Thu 11/12
7:05 pm-3:10 pm
1 stop34h 05m
Sofia
Thu 11/19
9:30 am-5:10 pm
1 stop17h 40m
$680
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sun 1/17
10:52 am-1:15 pm
2 stops16h 23m
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
Thu 11/26
7:05 pm-8:50 pm
1 stop15h 45m
Sofia
Sun 11/29
9:40 pm-5:10 pm
1 stop29h 30m
$740
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sat 11/14
7:05 pm-3:10 pm
1 stop34h 05m
Sofia
Sat 11/21
4:00 pm-5:10 pm
1 stop35h 10m
$779
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sun 12/13
6:15 am-11:00 pm
3 stops30h 45m
Sofia
Thu 12/24
6:25 am-8:59 pm
2 stops48h 34m
$821
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Wed 12/9
1:50 pm-10:55 pm
2 stops23h 05m
Sofia
Thu 1/7
6:00 am-9:32 am
2 stops37h 32m
$829
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Thu 11/12
1:50 pm-6:10 pm
1 stop18h 20m
Sofia
Thu 11/19
6:00 am-9:57 pm
2 stops25h 57m
$839
Showing 1-10 of 11 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-BOJ
SEA-SOF
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-BOJ
SEA-SOF
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 $1,147). 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 22 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 October 3, 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
Comfort
7.7
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Crew
8.4
Comfort
7.7
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Crew
8.4
Comfort
7.7
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Crew
8.4
Comfort
7.7
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Crew
8.4
Comfort
7.7
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Crew
8.4
Comfort
7.7
Food
7.3
Entertainment
7.2
Boarding
7.8
Overall
7.8
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 October 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated October 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$909 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$540 | Average$915 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$596 | Average$882 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$830 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$884 | Average$897 | FlexibilityNo cancel fee | On-time78% |