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Bulgaria

$455+ Cheap flights from Idaho 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SOF
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap 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 February 4, 2026.

This FlightHub deal was found by Cheapflights users on 2/3. 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.
Tue 3/312:16 pm
BOI
-
SOF
2 stops21h 04m
Lufthansa
Thu 3/126:00 am
SOF
-
BOI
2 stops23h 29m
Lufthansa
Deal found 2/3$534
This Air France deal was found by Cheapflights users on 2/3. 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.
Wed 3/119:50 am
GEG
-
SOF
2 stops19h 15m
Multiple Airlines
Wed 3/257:00 am
SOF
-
GEG
2 stops23h 29m
Multiple Airlines
Deal found 2/3$546
This United Airlines deal was found by Cheapflights users on 2/3. 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 2/2610:25 am
BOI
-
SOF
2 stops27h 20m
United Airlines
Mon 3/26:10 am
SOF
-
BOI
2 stops25h 46m
United Airlines
Deal found 2/3$747
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Fri 2/205:00 am
GEG
-
SOF
2 stops31h 45m
United Airlines
Tue 2/246:00 am
SOF
-
GEG
2 stops22h 16m
United Airlines
Deal found 2/2$748
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:00 am
GEG
-
SOF
3 stops27h 00m
Air Canada
Wed 3/252:25 pm
SOF
-
GEG
3 stops40h 34m
Air Canada
Deal found 2/2$1,468

Find flight deals from Idaho to Bulgaria

Keep the following information in mind while searching for Idaho to Bulgaria flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$534
(FlightHub)

One-way from

$455
(Kiwi.com)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Sofia flights.
Search Deals
From Idaho to Bulgaria
Search Deals
One-way flight from Idaho to Bulgaria
Search Deals

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 February 4, 2026.
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

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Tue 3/3

12:16 pm-6:20 pm

2 stops21h 04m

Sofia

Thu 3/12

6:00 am-9:29 pm

2 stops23h 29m

$534

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Wed 3/11

9:50 am-2:05 pm

2 stops19h 15m

Sofia

Wed 3/25

7:00 am-9:29 pm

2 stops23h 29m

$546

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Thu 2/26

10:25 am-10:45 pm

2 stops27h 20m

Sofia

Mon 3/2

6:10 am-10:56 pm

2 stops25h 46m

$747

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Fri 2/20

5:00 am-10:45 pm

2 stops31h 45m

Sofia

Tue 2/24

6:00 am-6:16 pm

2 stops22h 16m

$748

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Wed 3/11

6:00 am-6:00 pm

3 stops27h 00m

Sofia

Wed 3/25

2:25 pm-9:59 pm

3 stops40h 34m

$1,468

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Fri 5/1

7:40 pm-11:10 pm

3 stops41h 30m

$455

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Fri 5/1

4:10 pm-11:10 pm

2 stops21h 00m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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
No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from Idaho to Bulgaria?

    Departing from Idaho to Bulgaria will take you 21h 04m. There are 5970 mi between Idaho and Bulgaria. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

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