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$414+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Seattle to Bulgaria

Keep the following information in mind while searching for Seattle to Bulgaria flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$584
(oojo)

One-way from

$414
(Mytrip)

Popular in

December

Cheapest in

November

Average price

$825
Provider with most accurate pricing for Seattle/Tacoma Intl-Sofia flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sofia flights.
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From Seattle/Tacoma Intl to Bulgaria
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One-way flight from Seattle/Tacoma Intl to Bulgaria
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Seattle to Bulgaria

Cheapest flights from Seattle to Bulgaria
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 February 20, 2025.

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/237:10 pmSEA - SOF
1 stop15h 15mTurkish Airlines
Wed 5/73:35 pmSOF - SEA
1 stop35h 40mTurkish Airlines
Deal found 2/19$584
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/107:50 pmSEA - SOF
1 stop33h 20mBritish Airways
Mon 3/175:25 pmSOF - SEA
1 stop27h 55mBritish Airways
Deal found 2/19$619
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/94:10 pmSEA - SOF
1 stop17h 00mLufthansa
Wed 4/96:00 amSOF - SEA
1 stop20h 59mLufthansa
Deal found 2/18$623
This United Airlines deal was found by Cheapflights users on 2/18. 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 3/94:10 pmSEA - SOF
1 stop21h 35mUnited Airlines
Wed 4/92:05 pmSOF - SEA
2 stops41h 21mUnited Airlines
Deal found 2/18$626
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/101:35 pmSEA - SOF
1 stop15h 30mMultiple Airlines
Tue 4/87:00 amSOF - SEA
1 stop19h 00mMultiple Airlines
Deal found 2/19$628
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/108:15 amSEA - SOF
2 stops20h 50mKLM
Tue 4/87:00 amSOF - SEA
1 stop19h 00mKLM
Deal found 2/19$631
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/277:00 pmSEA - VAR
1 stop28h 15mTurkish Airlines
Fri 3/79:30 pmVAR - SEA
1 stop29h 35mTurkish Airlines
Deal found 2/19$665
This Austrian 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/118:10 amSEA - SOF
2 stops18h 40mAustrian Airlines
Mon 4/74:05 pmSOF - SEA
2 stops38h 16mAustrian Airlines
Deal found 2/19$751
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/410:00 amSEA - SOF
2 stops17h 05mAir Canada
Tue 6/36:20 amSOF - SEA
2 stops41h 53mAir Canada
Deal found 2/19$970
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/61:02 pmSEA - SOF
2 stops35h 03mSWISS
Thu 6/510:50 amSOF - SEA
2 stops17h 43mSWISS
Deal found 2/19$1,033
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/57:05 amSEA - VAR
2 stops22h 10mMultiple Airlines
Sun 3/94:00 pmVAR - SEA
2 stops55h 20mMultiple Airlines
Deal found 2/19$1,060
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/66:50 pmSEA - VAR
2 stops34h 25mLufthansa
Sun 4/1311:05 amVAR - SEA
2 stops59h 20mLufthansa
Deal found 2/20$1,196

Find flights from Seattle to Bulgaria within your budget

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 February 20, 2025.

Fly from

Seattle

Fly to

Bulgaria

Route

Depart

Return

Price

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 4/23

7:10 pm-8:25 pm

1 stop15h 15m

Sofia

Wed 5/7

3:35 pm-5:15 pm

1 stop35h 40m

$584

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mon 3/10

7:50 pm-2:10 pm

1 stop33h 20m

Sofia

Mon 3/17

5:25 pm-12:20 pm

1 stop27h 55m

$619

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 3/9

4:10 pm-6:10 pm

1 stop17h 00m

Sofia

Wed 4/9

6:00 am-4:59 pm

1 stop20h 59m

$623

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 3/9

4:10 pm-10:45 pm

1 stop21h 35m

Sofia

Wed 4/9

2:05 pm-9:26 pm

2 stops41h 21m

$626

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mon 3/10

1:35 pm-2:05 pm

1 stop15h 30m

Sofia

Tue 4/8

7:00 am-4:00 pm

1 stop19h 00m

$628

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mon 3/10

7:15 am-2:05 pm

2 stops21h 50m

Sofia

Wed 4/9

7:00 am-4:00 pm

1 stop19h 00m

$631

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 3/13

8:10 am-6:00 pm

2 stops24h 50m

Sofia

Tue 4/8

8:00 am-8:21 pm

2 stops22h 21m

$701

SeattleVarna

SEA - VAR

SEAVAR

Seattle/Tacoma Intl

Wed 3/5

7:00 pm-8:40 pm

1 stop15h 40m

Varna

Sun 3/9

10:05 am-5:05 pm

1 stop17h 00m

$737

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 5/4

10:00 am-1:05 pm

2 stops17h 05m

Sofia

Tue 6/3

6:20 am-2:13 pm

2 stops41h 53m

$970

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 5/6

1:02 pm-10:05 am

2 stops35h 03m

Sofia

Thu 6/5

10:50 am-6:33 pm

2 stops17h 43m

$1,033

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 22 results
1
2
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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.
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.

Travel insights for flights from Seattle to Bulgaria

Get recent, data-driven insights about flights from Seattle to Bulgaria including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Seattle to Bulgaria?

Currently, November is the cheapest month in which you can book a flight from Seattle to Bulgaria (average of $632). Flying from Seattle to Bulgaria in June is currently the most expensive (average of $1,243). 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.

What is the cheapest time of day to fly from SEA to BG?

Find hourly flight availability from Seattle to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Bulgaria as you normally would.

Rainfall in Bulgaria by month

Plan your trip to Bulgaria by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bulgaria ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Bulgaria when rainfall is around 1.2 in.

Temperature in Bulgaria by month

Plan your trip to Bulgaria by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bulgaria, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 February 20, 2025.
Read through reviews of airlines operating flights from Seattle to Bulgaria, such as KLM, Austrian Airlines and SWISS. 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.
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Austrian Airlines
7.6
Good
773 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS
7.5
Good
1,568 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

United Airlines
7.4
Good
8,766 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Turkish Airlines
7.3
Good
3,832 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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.

  • What airport do you fly from for flights from Seattle to Bulgaria?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Bulgaria.

  • What are the cheapest airlines to fly from Seattle to Bulgaria one-way?

    The cheapest airlines for a one-way flight from Seattle to Bulgaria are United Airlines ($561), KLM ($625), and British Airways ($1,058).

  • What are the most popular routes from Seattle to Bulgaria?

    While some choose either Seattle/Tacoma Intl - Varna or Seattle/Tacoma Intl - Bourgas, Seattle/Tacoma Intl - Sofia is the most popular route from Seattle to Bulgaria.

  • Can I find deals for flights from Seattle to Bulgaria that include hotel bookings?

    Yes. In addition to deals on Seattle to Bulgaria flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Bulgaria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Bulgaria.

  • Can I find deals for business class flights from Seattle to Bulgaria?

    Yes. Cheapflights offers flight deals from Seattle to Bulgaria by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Bulgaria?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Bulgaria (average of $632). Flying from Seattle to Bulgaria in June is currently the most expensive (average of $1,243). 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.

See more FAQs

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Top 4 airlines flying from Seattle to Bulgaria

Discover the top 4 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$563Average$1,009FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$632Average$1,142FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$688Average$1,168FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$740Average$1,103FlexibilityNo cancel feeOn-time77%
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