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Cheap flights from Boise to Sofia from $801

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Sofia departing on 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Boise to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
10:20 am - 6:40 pm
BOI
-
SOF
23h 20m
2 stops
Lufthansa Logo
6:10 am - 9:37 pm
SOF
-
BOI
24h 27m
2 stops
$801Lufthansa
Tue, Aug 4 - Tue, Aug 25
United Airlines Logo
5:46 pm - 11:15 pm
BOI
-
SOF
44h 29m
2 stops
United Airlines Logo
2:00 pm - 10:05 pm
SOF
-
BOI
41h 05m
2 stops
$1,112United Airlines
Sat, Jul 18 - Sat, Jul 25
Lufthansa Logo
10:20 am - 11:15 pm
BOI
-
SOF
27h 55m
2 stops
Lufthansa Logo
7:25 pm - 5:56 pm
SOF
-
BOI
31h 31m
2 stops
$1,162Lufthansa
Sun, Aug 2 - Sun, Aug 9
United Airlines Logo
6:30 am - 11:15 pm
BOI
-
SOF
31h 45m
2 stops
United Airlines Logo
12:55 pm - 10:37 pm
SOF
-
BOI
42h 42m
2 stops
$1,265United Airlines
Sat, Jul 18 - Fri, Jul 24
Lufthansa Logo
2:40 pm - 6:40 pm
BOI
-
SOF
43h 00m
3 stops
Lufthansa Logo
7:25 pm - 5:56 pm
SOF
-
BOI
31h 31m
2 stops
$1,781Lufthansa
Sat, Jul 18 - Sat, Jul 25
Lufthansa Logo
10:20 am - 6:40 pm
BOI
-
SOF
23h 20m
2 stops
Lufthansa Logo
6:20 am - 10:56 pm
SOF
-
BOI
25h 36m
2 stops
$2,392Lufthansa
Sat, Jul 25 - Sat, Aug 1
Multiple Airlines Logo
8:25 am - 9:10 pm
BOI
-
SOF
27h 45m
3 stops
Multiple Airlines Logo
6:20 am - 10:18 pm
SOF
-
BOI
24h 58m
3 stops
$2,663Multiple Airlines
Sat, Jul 18 - Fri, Jul 24
Multiple Airlines Logo
8:15 am - 1:00 pm
BOI
-
SOF
19h 45m
3 stops
Multiple Airlines Logo
7:05 pm - 10:56 pm
SOF
-
BOI
36h 51m
2 stops
$3,233Multiple Airlines
Sat, Jul 18 - Fri, Jul 24
Multiple Airlines Logo
3:10 pm - 8:30 pm
BOI
-
SOF
20h 20m
2 stops
Multiple Airlines Logo
1:00 pm - 1:24 pm
SOF
-
BOI
33h 24m
3 stops
$3,318Multiple Airlines
Tue, Aug 4 - Tue, Aug 25
Multiple Airlines Logo
8:03 am - 7:20 pm
BOI
-
SOF
26h 17m
2 stops
Multiple Airlines Logo
12:55 pm - 12:04 am
SOF
-
BOI
20h 09m
3 stops
$5,233Multiple Airlines
Sun, Aug 2 - Sun, Aug 9

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United Airlines flights from Boise to Sofia

Our best United Airlines deals on Boise to Sofia flight tickets
United Airlines
Jul 18
BOI5:46 pmBoise Air Term. Gowen Fld
44h 29m
2 stops
SOF11:15 pmSofia
Jul 25
SOF2:00 pmSofia
41h 05m
2 stops
BOI10:05 pmBoise Air Term. Gowen Fld
$1,112
United Airlines
Jul 18
BOI6:30 amBoise Air Term. Gowen Fld
31h 45m
2 stops
SOF11:15 pmSofia
Jul 24
SOF12:55 pmSofia
42h 42m
2 stops
BOI10:37 pmBoise Air Term. Gowen Fld
$1,265
United Airlines
Jul 1
BOI5:46 pmBoise Air Term. Gowen Fld
43h 54m
2 stops
SOF10:40 pmSofia
Jul 15
SOF6:10 amSofia
25h 46m
2 stops
BOI10:56 pmBoise Air Term. Gowen Fld
$1,291

Lufthansa flights from Boise to Sofia

Our best Lufthansa deals on Boise to Sofia flight tickets
Lufthansa
Aug 4
BOI10:20 amBoise Air Term. Gowen Fld
23h 20m
2 stops
SOF6:40 pmSofia
Aug 25
SOF6:10 amSofia
24h 27m
2 stops
BOI9:37 pmBoise Air Term. Gowen Fld
$801
Lufthansa
Aug 2
BOI10:20 amBoise Air Term. Gowen Fld
27h 55m
2 stops
SOF11:15 pmSofia
Aug 9
SOF7:25 pmSofia
31h 31m
2 stops
BOI5:56 pmBoise Air Term. Gowen Fld
$1,162
Lufthansa
Jul 18
BOI2:40 pmBoise Air Term. Gowen Fld
43h 00m
3 stops
SOF6:40 pmSofia
Jul 25
SOF7:25 pmSofia
31h 31m
2 stops
BOI5:56 pmBoise Air Term. Gowen Fld
$1,781

momondo 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, momondo users made 832,500 searches. Data last updated June 22, 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

Price

Cheapest round-trip

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Tue 8/4

10:20 am-6:40 pm

2 stops23h 20m

Sofia

Tue 8/25

6:10 am-9:37 pm

2 stops24h 27m

$801

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Sat 7/18

5:46 pm-11:15 pm

2 stops44h 29m

Sofia

Sat 7/25

2:00 pm-10:05 pm

2 stops41h 05m

$1,112

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Sun 8/2

10:20 am-11:15 pm

2 stops27h 55m

Sofia

Sun 8/9

7:25 pm-5:56 pm

2 stops31h 31m

$1,162

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Sat 7/18

6:30 am-11:15 pm

2 stops31h 45m

Sofia

Fri 7/24

12:55 pm-10:37 pm

2 stops42h 42m

$1,265

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Sat 7/18

2:40 pm-6:40 pm

3 stops43h 00m

Sofia

Sat 7/25

7:25 pm-5:56 pm

2 stops31h 31m

$1,781

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Sat 7/25

10:20 am-6:40 pm

2 stops23h 20m

Sofia

Sat 8/1

6:20 am-10:56 pm

2 stops25h 36m

$2,392

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Sat 7/18

8:25 am-9:10 pm

3 stops27h 45m

Sofia

Fri 7/24

6:20 am-10:18 pm

3 stops24h 58m

$2,663

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Sat 7/18

8:15 am-1:00 pm

3 stops19h 45m

Sofia

Fri 7/24

7:05 pm-10:56 pm

2 stops36h 51m

$3,233

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Tue 8/4

3:10 pm-8:30 pm

2 stops20h 20m

Sofia

Tue 8/25

1:00 pm-1:24 pm

3 stops33h 24m

$3,318
Quickest round-trip

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Sun 8/2

8:03 am-7:20 pm

2 stops26h 17m

Sofia

Sun 8/9

12:55 pm-12:04 am

3 stops20h 09m

$5,233

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Boise to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Sofia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Sofia (BOI to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to Sofia

Fastest flight time

23h 20m

Direct flights

None
The fastest flight from Boise to Sofia takes 23h 20m
There are no direct flights from Boise to Sofia. There are no popular flight routes from Boise to Sofia.
Search flight deals

Frequently asked questions about flying from Boise to Sofia

  • How far is Boise Air Term. Gowen Fld to Sofia by plane?

    The distance between Boise Air Term. Gowen Fld and Sofia is about 5964.7 mi. 23h 20m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Sofia Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Sofia Airport are updated daily.

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Sofia Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Sofia Airport.

  • What documentation or ID do you need to fly to Sofia Airport?

    The necessary travel and health documents for your Sofia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Boise to Sofia

  • How do I get Price Alerts for flights from Boise to Sofia?

    Confirm your travel details to search for the latest offers for flights from Boise to Sofia. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Boise to Sofia with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from Boise to Sofia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boise to Sofia. momondo saves you time and could save you money on your trip.

Can I find flights from Boise to Sofia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sofia from Boise with this policy.

How can momondo help me find flights from Boise to Sofia?

momondo helps you find the best flight between Boise and Sofia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boise to Sofia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sofia, momondo offers a useful price alert feature which will track prices for flights to Sofia from Boise and alert you when they change.

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Cabin classes currently available on flights to Sofia

List of cabin classes available on flights landing in Sofia. Availability may vary depending on flight origin and airline.
First Class to Sofia
Business Class to Sofia