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Sofia

$989+ Cheap flights from Boise (BOI) to Sofia (SOF)

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SOF
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Boise to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 18, 2025.

Round-trip from

$989
(United Airlines)
From Boise Air Term. Gowen Fld to Sofia
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Find flight deals from Boise to Sofia

Cheapest flights from Boise to Sofia
Explore the most affordable flight options available from Boise to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This United Airlines deal was found by Cheapflights users on 6/17. 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 8/22:32 pmBOI - SOF
2 stops47h 28mUnited Airlines
Sat 8/912:45 pmSOF - BOI
2 stops54h 01mUnited Airlines
Deal found 6/17$989
This Mytrip deal was found by Cheapflights users on 6/17. 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 8/24:50 pmBOI - SOF
2 stops41h 20mMultiple Airlines
Sat 8/93:35 pmSOF - BOI
3 stops34h 15mMultiple Airlines
Deal found 6/17$1,696
This Air Canada deal was found by Cheapflights users on 6/17. 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 8/27:00 amBOI - SOF
3 stops21h 05mAir Canada
Sat 8/96:15 amSOF - BOI
3 stops25h 37mAir Canada
Deal found 6/17$2,591

Cheapflights Fare Finder

Customize your flight search to find flights from Boise to Sofia 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 18, 2025.
Use the filters below to find and compare flights from Boise to Sofia that are best for you.

Fly from

Boise

Fly to

Sofia

Route

Depart

Return

Price

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Sat 8/2

2:32 pm-11:00 pm

2 stops47h 28m

Sofia

Sat 8/9

12:45 pm-9:46 am

2 stops54h 01m

$989

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Sat 8/2

4:50 pm-7:10 pm

2 stops41h 20m

Sofia

Sat 8/9

3:35 pm-4:50 pm

3 stops34h 15m

$1,696

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Sat 8/2

7:00 am-1:05 pm

3 stops21h 05m

Sofia

Sat 8/9

6:15 am-10:52 pm

3 stops25h 37m

$2,591

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Best time to book a flight from Boise to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia 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 Sofia

Rainfall in Sofia by month

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

In terms of precipitation, rainfall in Sofia 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 Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

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

If weather is an important factor for your trip to Sofia, 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 Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated June 18, 2025.
United Airlines
7.4
Good
8,810 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.0

Food

6.6

Boarding

7.7

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
8,810 reviews
United Airlines
7.4
Good
8,810 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.0

Food

6.6

Boarding

7.7

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
9,572 reviews
United Airlines
7.4
Good
8,810 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.0

Food

6.6

Boarding

7.7

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 Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Boise to Sofia round-trip?

    United Airlines, at $989, was found to be the cheapest airline from Boise to Sofia. An alternate airline flying to your destination would be Air Canada.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Boise to Sofia (average of $632). Flying from Boise to Sofia in June is currently the most expensive (average of $1,201). 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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Alternative routes for Boise to Sofia

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Spokane to Sofia flights

Top airline flying from Boise to Sofia

Discover the top airline that operate flights from Boise to Sofia. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$807Average$807FlexibilityNo cancel feeOn-time69%

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