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Cheap flights from Boise to Bulgaria from $534

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 Bulgaria departing on 3/3. 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
0 bags

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Find the cheapest flights from Boise to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
12:16 pm - 6:20 pm
BOI
-
SOF
21h 04m
2 stops
Lufthansa Logo
6:00 am - 9:29 pm
SOF
-
BOI
23h 29m
2 stops
$534Lufthansa
Tue, Mar 3 - Thu, Mar 12
United Airlines Logo
10:25 am - 10:45 pm
BOI
-
SOF
27h 20m
2 stops
United Airlines Logo
6:10 am - 10:56 pm
SOF
-
BOI
25h 46m
2 stops
$747United Airlines
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
8:05 am - 10:45 pm
BOI
-
SOF
29h 40m
2 stops
United Airlines Logo
6:10 am - 11:38 pm
SOF
-
BOI
26h 28m
2 stops
$748United Airlines
Thu, Feb 26 - Mon, Mar 2

United Airlines flights from Boise to Bulgaria

Our best United Airlines deals on Boise to Bulgaria flight tickets
United Airlines
Feb 26
BOI10:25 amBoise Air Term. Gowen Fld
27h 20m
2 stops
SOF10:45 pmSofia
Mar 2
SOF6:10 amSofia
25h 46m
2 stops
BOI10:56 pmBoise Air Term. Gowen Fld
$747
United Airlines
Feb 26
BOI10:53 amBoise Air Term. Gowen Fld
26h 52m
2 stops
SOF10:45 pmSofia
Mar 2
SOF6:10 amSofia
24h 22m
2 stops
BOI9:32 pmBoise Air Term. Gowen Fld
$748

momondo Fare Finder

 
Customize your flight search to find flights from Boise 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, momondo users made 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Boise to Bulgaria that are best for you.

Fly from

Fly to

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

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

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Thu 2/26

8:05 am-10:45 pm

2 stops29h 40m

Sofia

Mon 3/2

6:10 am-11:38 pm

2 stops26h 28m

$748

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Boise to Bulgaria flight deals and tips

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

Fastest flight time

21h 04m

Direct flights

None
The fastest flight from Boise to Bulgaria takes 21h 04m
There are no direct flights from Boise to Bulgaria. There are no popular flight routes from Boise to Bulgaria.
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  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Bulgaria?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Bulgaria are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boise Air Term. Gowen Fld Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The travel and health documents required for your trip to Bulgaria can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bulgaria. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

    Price Alerts will notify you by email when the price for flights to Bulgaria from Boise decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

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

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boise to Bulgaria for you.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bulgaria from Boise.

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

Price alerts on flights to Bulgaria from Boise are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Fri 3/6
Fri 3/13
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