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$617+ Cheap flights from Idaho 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SOF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Idaho to Bulgaria

Keep the following information in mind while searching for Idaho to Bulgaria flight deals. Data was last updated June 12, 2025.

Round-trip from

$617
(United Airlines)
From Idaho to Bulgaria
Search Deals

Find flight deals from Idaho to Bulgaria

Cheapest flights from Idaho to Bulgaria
Explore the most affordable flight options available from Idaho to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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 10/145:15 amGEG - SOF
2 stops26h 35mUnited Airlines
Wed 4/16:15 amSOF - GEG
2 stops24h 54mUnited Airlines
Deal found 6/11$617
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Fri 10/101:38 pmGEG - SOF
2 stops23h 12mLufthansa
Tue 4/712:45 pmSOF - GEG
2 stops42h 24mLufthansa
Deal found 6/10$657
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/1010:50 amBOI - SOF
2 stops27h 10mUnited Airlines
Thu 7/176:15 amSOF - BOI
2 stops36h 31mUnited Airlines
Deal found 6/11$1,031

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho 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 12, 2025.
Use the filters below to find and compare flights from Idaho to Bulgaria that are best for you.

Fly from

Idaho

Fly to

Bulgaria

Route

Depart

Return

Price

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Tue 10/14

5:15 am-5:50 pm

2 stops26h 35m

Sofia

Wed 4/1

6:15 am-9:09 pm

2 stops24h 54m

$617

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Fri 10/10

1:38 pm-10:50 pm

2 stops23h 12m

Sofia

Tue 4/7

12:45 pm-9:09 pm

2 stops42h 24m

$657

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Thu 7/10

10:50 am-11:00 pm

2 stops27h 10m

Sofia

Thu 7/17

6:15 am-9:46 am

2 stops36h 31m

$1,031

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Idaho to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Idaho 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 Idaho 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 12, 2025.
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.0

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
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.0

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
7,136 reviews
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.0

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

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Idaho to Bulgaria (average of $632). Flying from Idaho 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.

See more FAQs

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Top 2 airlines flying from Idaho to Bulgaria

Discover the top 2 airlines that operate flights from Idaho 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$696Average$908FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$807Average$807FlexibilityNo cancel feeOn-time69%

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