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Cheap flights from Idaho to Bulgaria from $697

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

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Find the cheapest flights from Idaho to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:04 pm - 6:40 pm
BOI
-
SOF
21h 36m
2 stops
United Airlines Logo
6:20 am - 6:05 pm
SOF
-
BOI
20h 45m
2 stops
$697United Airlines
Wed, Apr 8 - Wed, Apr 15
Multiple Airlines Logo
9:50 am - 2:05 pm
GEG
-
SOF
19h 15m
2 stops
Multiple Airlines Logo
7:00 am - 7:05 pm
SOF
-
GEG
21h 05m
2 stops
$796Multiple Airlines
Wed, Mar 11 - Wed, Mar 25
United Airlines Logo
10:39 am - 11:00 pm
BOI
-
SOF
27h 21m
2 stops
United Airlines Logo
6:10 am - 9:15 pm
SOF
-
BOI
24h 05m
2 stops
$847United Airlines
Tue, Aug 18 - Sun, Jan 10
KLM Logo
3:01 pm - 2:00 pm
BOI
-
SOF
37h 59m
2 stops
KLM Logo
7:00 am - 4:14 pm
SOF
-
BOI
18h 14m
2 stops
$849KLM
Fri, Apr 10 - Fri, Apr 17
Air Canada Logo
6:00 am - 1:50 pm
GEG
-
SOF
22h 50m
3 stops
Air Canada Logo
2:25 pm - 9:59 pm
SOF
-
GEG
40h 34m
3 stops
$2,113Air Canada
Wed, Mar 11 - Wed, Mar 25
Air Canada Logo
6:00 am - 1:50 pm
GEG
-
SOF
22h 50m
3 stops
Air Canada Logo
2:25 pm - 9:59 pm
SOF
-
GEG
40h 34m
3 stops
$2,215Air Canada
Wed, Mar 11 - Wed, Mar 25
Multiple Airlines Logo
6:00 am - 4:50 pm
BOI
-
SOF
25h 50m
2 stops
Multiple Airlines Logo
6:10 am - 11:56 pm
SOF
-
BOI
26h 46m
3 stops
$6,311Multiple Airlines
Fri, Apr 10 - Fri, Apr 17

Air Canada flights from Idaho to Bulgaria

Our best Air Canada deals on Idaho to Bulgaria flight tickets
Air Canada
Mar 11
GEG6:00 amSpokane
22h 50m
3 stops
SOF1:50 pmSofia
Mar 25
SOF2:25 pmSofia
40h 34m
3 stops
GEG9:59 pmSpokane
$2,113
Air Canada
Mar 11
GEG6:00 amSpokane
22h 50m
3 stops
SOF1:50 pmSofia
Mar 25
SOF2:25 pmSofia
40h 34m
3 stops
GEG9:59 pmSpokane
$2,215

United Airlines flights from Idaho to Bulgaria

Our best United Airlines deals on Idaho to Bulgaria flight tickets
United Airlines
Apr 8
BOI12:04 pmBoise Air Term. Gowen Fld
21h 36m
2 stops
SOF6:40 pmSofia
Apr 15
SOF6:20 amSofia
20h 45m
2 stops
BOI6:05 pmBoise Air Term. Gowen Fld
$697
United Airlines
Aug 18
BOI10:39 amBoise Air Term. Gowen Fld
27h 21m
2 stops
SOF11:00 pmSofia
Jan 10
SOF6:10 amSofia
24h 05m
2 stops
BOI9:15 pmBoise Air Term. Gowen Fld
$847
United Airlines
Feb 27
GEG12:38 pmSpokane
24h 07m
2 stops
SOF10:45 pmSofia
Mar 3
SOF6:00 amSofia
25h 17m
2 stops
GEG9:17 pmSpokane
$1,427

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 24, 2026.
Use the filters below to find and compare flights from Idaho to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Wed 4/8

12:04 pm-6:40 pm

2 stops21h 36m

Sofia

Wed 4/15

6:20 am-6:05 pm

2 stops20h 45m

$697

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

$796

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Tue 8/18

10:39 am-11:00 pm

2 stops27h 21m

Sofia

Sun 1/10

6:10 am-9:15 pm

2 stops24h 05m

$847

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Fri 4/10

3:01 pm-2:00 pm

2 stops37h 59m

Sofia

Fri 4/17

7:00 am-4:14 pm

2 stops18h 14m

$849

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Wed 3/11

6:00 am-1:50 pm

3 stops22h 50m

Sofia

Wed 3/25

2:25 pm-9:59 pm

3 stops40h 34m

$2,113

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Wed 3/11

6:00 am-1:50 pm

3 stops22h 50m

Sofia

Wed 3/25

2:25 pm-9:59 pm

3 stops40h 34m

$2,215

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Fri 4/10

6:00 am-4:50 pm

2 stops25h 50m

Sofia

Fri 4/17

6:10 am-11:56 pm

3 stops26h 46m

$6,311

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Idaho to Bulgaria flight deals and tips

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

Fastest flight time

19h 15m

Direct flights

None
The fastest flight from Idaho to Bulgaria takes 19h 15m
There are no direct flights from Idaho to Bulgaria. There are no popular flight routes from Idaho to Bulgaria.
Search flight deals

  • When did momondo last update prices for flights from Idaho to Bulgaria?

    Prices for flights from Idaho to Bulgaria were last updated today.

  • How many operators does momondo search for flights from Idaho to Bulgaria?

  • How old do you have to be to fly from Idaho to Bulgaria?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Bulgaria.

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

    The travel and health documents you'll need for your trip to Bulgaria may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bulgaria. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Bulgaria

Compare and see reviews for airlines that fly from Idaho to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $549Free CancellationRating
7.4
9,344 reviews
Search United Airlines flights

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

    Price Alerts will notify you by email when the price for flights to Bulgaria from Idaho 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 Idaho to Bulgaria 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 show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to Bulgaria. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Idaho to Bulgaria flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho to Bulgaria.

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

Yes. momondo can track prices for Idaho to Bulgaria flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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