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$914+ Cheap flights from Boise (BOI) 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SOF
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Boise to Bulgaria

Keep the following information in mind while searching for Boise to Bulgaria flight deals. Data was last updated June 16, 2025.

Round-trip from

$914
(United Airlines)
From Boise Air Term. Gowen Fld to Bulgaria
Search Deals

Find flight deals from Boise to Bulgaria

Cheapest flights from Boise to Bulgaria
Explore the most affordable flight options available from Boise to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This United Airlines deal was found by Cheapflights users on 6/15. 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 7/3010:50 amBOI - SOF
2 stops27h 10mUnited Airlines
Wed 8/612:45 pmSOF - BOI
3 stops31h 58mUnited Airlines
Deal found 6/15$914
This Gurufare deal was found by Cheapflights users on 6/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/102:32 pmBOI - SOF
2 stops23h 18mLufthansa
Thu 7/176:00 amSOF - BOI
2 stops21h 07mLufthansa
Deal found 6/14$1,020
This Air Canada deal was found by Cheapflights users on 6/15. 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 7/308:30 amBOI - SOF
3 stops24h 20mAir Canada
Wed 8/66:15 amSOF - BOI
3 stops25h 37mAir Canada
Deal found 6/15$1,922

Cheapflights Fare Finder

Customize your flight search to find flights from Boise 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 June 16, 2025.
Use the filters below to find and compare flights from Boise to Bulgaria that are best for you.

Fly from

Boise

Fly to

Bulgaria

Route

Depart

Return

Price

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Wed 7/30

10:50 am-11:00 pm

2 stops27h 10m

Sofia

Wed 8/6

12:45 pm-11:43 am

3 stops31h 58m

$914

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Thu 7/10

2:32 pm-10:50 pm

2 stops23h 18m

Sofia

Thu 7/17

6:00 am-6:07 pm

2 stops21h 07m

$1,020

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Wed 7/30

8:30 am-5:50 pm

3 stops24h 20m

Sofia

Wed 8/6

6:15 am-10:52 pm

3 stops25h 37m

$1,922

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Best time to book a flight from Boise to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Boise 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.

Cheapflights Insights

Everything you need to know about your flight from Boise to Bulgaria

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 June 16, 2025.
United Airlines
7.4
Good
8,801 reviews

Crew

8.1

Entertainment

7.0

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,801 reviews
United Airlines
7.4
Good
8,801 reviews

Crew

8.1

Entertainment

7.0

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,554 reviews
United Airlines
7.4
Good
8,801 reviews

Crew

8.1

Entertainment

7.0

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,149 reviews
United Airlines
7.4
Good
8,801 reviews

Crew

8.1

Entertainment

7.0

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Boise 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 Boise to Bulgaria?

    Located just 3.3 mi from the city center, Boise Air Term. Gowen Fld (BOI) is the airport most travelers will use when flying to Bulgaria from Boise.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise 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 Boise to Bulgaria?

    Currently, November is the cheapest month in which you can book a flight from Boise to Bulgaria (average of $632). Flying from Boise to Bulgaria in June is currently the most expensive (average of $1,203). 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.

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Top 2 airlines flying from Boise to Bulgaria

Discover the top 2 airlines that operate flights from Boise 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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$696Average$908FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$807Average$807FlexibilityNo cancel feeOn-time69%

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