HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$546+ Cheap flights from Idaho 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SOF
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Sofia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Idaho to Sofia

Cheapest flights from Idaho to Sofia
Explore the most affordable flight options available from Idaho to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 9, 2026.

This Air France deal was found by Cheapflights users on 2/9. 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 3/116:00 am
GEG
-
SOF
2 stops23h 05m
Multiple Airlines
Wed 3/257:00 am
SOF
-
GEG
2 stops23h 06m
Multiple Airlines
Deal found 2/9$546
This Air France deal was found by Cheapflights users on 2/7. 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.
Tue 3/246:00 am
GEG
-
SOF
2 stops22h 55m
Multiple Airlines
Tue 3/317:00 am
SOF
-
GEG
2 stops24h 29m
Multiple Airlines
Deal found 2/7$671
This FlightHub deal was found by Cheapflights users on 2/9. 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 2/9$734
This United Airlines deal was found by Cheapflights users on 2/5. 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 2/5$747
This United Airlines deal was found by Cheapflights users on 2/8. 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 2/2610:53 am
BOI
-
SOF
2 stops26h 52m
United Airlines
Mon 3/26:10 am
SOF
-
BOI
2 stops25h 46m
United Airlines
Deal found 2/8$747
This United Airlines deal was found by Cheapflights users on 2/7. 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 3/241:37 pm
GEG
-
SOF
3 stops19h 43m
United Airlines
Tue 3/316:10 am
SOF
-
GEG
2 stops25h 01m
United Airlines
Deal found 2/7$808
This Air Canada deal was found by Cheapflights users on 2/9. 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 stops22h 50m
Air Canada
Wed 3/252:25 pm
SOF
-
GEG
3 stops40h 34m
Air Canada
Deal found 2/9$1,369

Find flight deals from Idaho to Sofia

Keep the following information in mind while searching for Idaho to Sofia flight deals. Data was last updated February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$546
(Air France)
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 Sofia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 February 9, 2026.
Use the filters below to find and compare flights from Idaho to Sofia that are best for you.

Fly from

Idaho

Fly to

Sofia

Route

Depart

Return

Price

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Wed 3/11

9:50 am-2:05 pm

2 stops19h 15m

Sofia

Wed 3/25

7:00 am-7:05 pm

2 stops21h 05m

$546

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Tue 3/24

6:00 am-1:55 pm

2 stops22h 55m

Sofia

Tue 3/31

7:00 am-9:29 pm

2 stops24h 29m

$671

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

$734

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

$747

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Fri 2/27

12:38 pm-10:45 pm

2 stops24h 07m

Sofia

Tue 3/3

6:00 am-9:17 pm

2 stops25h 17m

$747

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Thu 2/26

10:53 am-10:45 pm

2 stops26h 52m

Sofia

Mon 3/2

6:10 am-9:11 pm

2 stops24h 01m

$747

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Tue 3/24

1:37 pm-6:20 pm

3 stops19h 43m

Sofia

Tue 3/31

6:10 am-9:11 pm

2 stops25h 01m

$808

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

$1,369

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

Best time to book a flight from Idaho to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia 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 Sofia
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 Sofia. 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 into for flights to Sofia from Idaho?

    Sofia (SOF), located 4.2 mi from the city center, is the airport you fly into when you book flights from Idaho to Sofia.

  • How long is the flight from Idaho to Sofia?

    For as low as $734, Lufthansa can have you in Sofia from Idaho in 21h 04m. There are 5970 mi between Idaho and Sofia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Idaho to Sofia

Discover the top airline that operate flights from Idaho 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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$549Average$998FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.