$1,109+ Cheap flights from Sofia (SOF) to Idaho
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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — BOI
Nov 29 — Dec 61
1 adult, Economy
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Best flights from Sofia to IdahoDiscover carefully curated flight deals from Sofia to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.
Discover carefully curated flight deals from Sofia to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.
This KLM deal was found by Cheapflights users on 10/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 amSOF - BOI
2 stops24h 38mKLM
Mon 4/271:00 pmBOI - SOF
2 stops40h 00mKLM
Deal found 10/27![KLM logo]()
$1,109
This United Airlines deal was found by Cheapflights users on 10/28. 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 4/2312:45 pmSOF - IDA
2 stops37h 37mUnited Airlines
Mon 4/275:57 pmIDA - SOF
2 stops20h 03mUnited Airlines
Deal found 10/28![United Airlines logo]()
$1,391
Cheap flight deals from Sofia to Idaho
Keep the following information in mind while searching for Sofia to Idaho flight deals. Data was last updated October 30, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,109 (KLM) |
Cheapflights Fare Finder
Customize your flight search to find flights from Sofia to Idaho 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 October 30, 2025.
Use the filters below to find and compare flights from Sofia to Idaho that are best for you.
Fly from
Sofia
Fly to
Idaho
Route
Depart
Return
Price
SofiaBoise
SOF - BOI
SOFBOI
Sofia
Thu 4/23
7:00 am-10:38 pm
2 stops24h 38m
Boise Air Term. Gowen Fld
Mon 4/27
1:00 pm-2:00 pm
2 stops40h 00m
$1,109
SofiaIdaho Falls
SOF - IDA
SOFIDA
Sofia
Thu 4/23
12:45 pm-5:22 pm
2 stops37h 37m
Idaho Falls Fanning Field
Mon 4/27
5:57 pm-11:00 pm
2 stops20h 03m
$1,391
Best time to book a flight from Sofia to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Sofia 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 Sofia to Idaho
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