$732+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SOF
Nov 13 — Nov 201
Round-trip
1 adult, Economy
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Find cheap flights from Boise 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 Boise to Sofia
Cheapest
Best
Last-minute
Cheapest flights from Boise to SofiaExplore 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 October 14, 2026.
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 October 14, 2026.
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/1410:37 am -
2 stops27h 18m
Fri 11/202:00 pm -
2 stops59h 42m
Deal found 10/12![United Airlines logo]()
$913
This FlightHub deal was found by Cheapflights users on 10/12. 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.
Sat 11/712:31 pm -
2 stops25h 24m
Fri 11/132:00 pm -
2 stops37h 03m
Deal found 10/12![Lufthansa logo]()
$996
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Sun 11/15:44 pm -
2 stops20h 11m
Fri 11/66:25 am -
2 stops25h 26m
Deal found 10/12![United Airlines logo]()
$1,051
This Booking.com deal was found by Cheapflights users on 10/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:59 pm -
2 stops38h 51m
Fri 11/66:25 am -
3 stops22h 41m
Deal found 10/12![Multiple Airlines logo]()
$4,759
This Mytrip deal was found by Cheapflights users on 10/12. 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 11/145:43 am -
3 stops22h 42m
Fri 11/209:30 am -
2 stops22h 29m
Deal found 10/12![Multiple Airlines logo]()
$6,646
This Booking.com deal was found by Cheapflights users on 10/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:43 am -
3 stops22h 42m
Fri 11/136:25 am -
2 stops20h 38m
Deal found 10/12![Multiple Airlines logo]()
$6,776
Best flights from Boise to SofiaDiscover carefully curated flight deals from Boise to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
Discover carefully curated flight deals from Boise to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Mon 1/117:04 am -
2 stops30h 51m
Thu 1/146:25 am -
2 stops24h 08m
Deal found 10/13![United Airlines logo]()
$732
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/1410:37 am -
2 stops27h 18m
Fri 11/202:00 pm -
2 stops59h 42m
Deal found 10/12![United Airlines logo]()
$913
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Sun 11/15:44 pm -
2 stops20h 11m
Fri 11/66:25 am -
2 stops25h 26m
Deal found 10/12![United Airlines logo]()
$1,051
Last-minute flights from Boise to SofiaDiscover last-minute flight deals from Boise to Sofia. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Sofia. Data last updated October 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Sun 11/15:44 pm -
2 stops20h 11m
Fri 11/66:25 am -
2 stops25h 26m
Deal found 10/12![United Airlines logo]()
$1,051
This Booking.com deal was found by Cheapflights users on 10/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:59 pm -
2 stops38h 51m
Fri 11/66:25 am -
3 stops22h 41m
Deal found 10/12![Multiple Airlines logo]()
$4,759
This FlightHub deal was found by Cheapflights users on 10/12. 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.
Sat 11/712:31 pm -
2 stops25h 24m
Fri 11/132:00 pm -
2 stops37h 03m
Deal found 10/12![Lufthansa logo]()
$996
This Booking.com deal was found by Cheapflights users on 10/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:43 am -
3 stops22h 42m
Fri 11/136:25 am -
2 stops20h 38m
Deal found 10/12![Multiple Airlines logo]()
$6,776
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/1410:37 am -
2 stops27h 18m
Fri 11/202:00 pm -
2 stops59h 42m
Deal found 10/12![United Airlines logo]()
$913
This Mytrip deal was found by Cheapflights users on 10/12. 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 11/145:43 am -
3 stops22h 42m
Fri 11/209:30 am -
2 stops22h 29m
Deal found 10/12![Multiple Airlines logo]()
$6,646
Find 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 October 14, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $732 (United Airlines) |
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 7,457,451 searches. Data last updated October 14, 2026.
Use the filters below to find and compare flights from Boise to Sofia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseSofia
BOI Boise Air Term. Gowen Fld - SOF Sofia
BOISOF
Boise Air Term. Gowen Fld
Mon 1/11
7:04 am-10:55 pm
2 stops30h 51m
Sofia
Thu 1/14
6:25 am-9:33 pm
2 stops24h 08m
$732
BoiseSofia
BOI Boise Air Term. Gowen Fld - SOF Sofia
BOISOF
Boise Air Term. Gowen Fld
Sat 11/14
10:37 am-10:55 pm
2 stops27h 18m
Sofia
Fri 11/20
2:00 pm-4:42 pm
2 stops59h 42m
$913
Quickest round-trip
BoiseSofia
BOI Boise Air Term. Gowen Fld - SOF Sofia
BOISOF
Boise Air Term. Gowen Fld
Sun 11/1
5:44 pm-10:55 pm
2 stops20h 11m
Sofia
Fri 11/6
6:25 am-10:51 pm
2 stops25h 26m
$1,051
Sorted by cheapest first
Compare providers for flights from Boise to Sofia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Sofia in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Sofia flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Boise-Sofia flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Boise-Sofia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Sofia flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
BOI-SOF
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.
Related info for your journey
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