Latest deals
FAQs
Price Alerts

Cheap flights from Idaho to Bulgaria from $441

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Bulgaria departing on 9/25. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Idaho to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
1:38 pm - 6:05 pm
GEG
-
SOF
18h 27m
2 stops
Lufthansa Logo
6:20 am - 10:22 pm
SOF
-
GEG
26h 02m
2 stops
$891Lufthansa
Wed, Aug 26 - Wed, Sep 16
United Airlines Logo
6:30 am - 11:15 pm
BOI
-
SOF
31h 45m
2 stops
United Airlines Logo
6:10 am - 9:15 pm
SOF
-
BOI
24h 05m
2 stops
$891United Airlines
Wed, Sep 16 - Tue, Nov 24
United Airlines Logo
5:00 am - 11:15 pm
GEG
-
SOF
32h 15m
3 stops
United Airlines Logo
6:20 am - 10:22 pm
SOF
-
GEG
26h 02m
2 stops
$892United Airlines
Wed, Aug 26 - Wed, Sep 16
United Airlines Logo
6:00 am - 11:15 pm
GEG
-
SOF
31h 15m
2 stops
United Airlines Logo
6:10 am - 10:30 pm
SOF
-
GEG
26h 20m
2 stops
$1,147United Airlines
Mon, May 25 - Mon, Jun 1

United Airlines flights from Idaho to Bulgaria

Our best United Airlines deals on Idaho to Bulgaria flight tickets
United Airlines
Sep 16
BOI6:30 amBoise Air Term. Gowen Fld
31h 45m
2 stops
SOF11:15 pmSofia
Nov 24
SOF6:10 amSofia
24h 05m
2 stops
BOI9:15 pmBoise Air Term. Gowen Fld
$891
United Airlines
Aug 26
GEG5:00 amSpokane
32h 15m
3 stops
SOF11:15 pmSofia
Sep 16
SOF6:20 amSofia
26h 02m
2 stops
GEG10:22 pmSpokane
$892
United Airlines
May 25
GEG6:00 amSpokane
31h 15m
2 stops
SOF11:15 pmSofia
Jun 1
SOF6:10 amSofia
26h 20m
2 stops
GEG10:30 pmSpokane
$1,147

Lufthansa flights from Idaho to Bulgaria

Our best Lufthansa deals on Idaho to Bulgaria flight tickets
Lufthansa
Aug 26
GEG1:38 pmSpokane
18h 27m
2 stops
SOF6:05 pmSofia
Sep 16
SOF6:20 amSofia
26h 02m
2 stops
GEG10:22 pmSpokane
$891
Lufthansa
Apr 13
GEG12:35 pmSpokane
24h 40m
2 stops
SOF11:15 pmSofia
Apr 30
SOF6:30 amSofia
25h 10m
2 stops
GEG9:40 pmSpokane
$950

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 April 12, 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

Cheapest round-trip
Quickest round-trip

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Wed 8/26

1:38 pm-6:05 pm

2 stops18h 27m

Sofia

Wed 9/16

6:20 am-10:22 pm

2 stops26h 02m

$891

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Wed 9/16

6:30 am-11:15 pm

2 stops31h 45m

Sofia

Tue 11/24

6:10 am-9:15 pm

2 stops24h 05m

$891

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Wed 8/26

5:00 am-11:15 pm

3 stops32h 15m

Sofia

Wed 9/16

6:20 am-10:22 pm

2 stops26h 02m

$892

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Mon 5/25

6:00 am-11:15 pm

2 stops31h 15m

Sofia

Mon 6/1

6:10 am-10:30 pm

2 stops26h 20m

$1,147
Cheapest one-way

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Fri 9/25

1:33 pm-12:25 pm

2 stops36h 52m

$441
Quickest one-way

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Fri 9/25

1:33 pm-9:30 am

3 stops33h 57m

$465

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

18h 27m

Direct flights

None
The fastest flight from Idaho to Bulgaria takes 18h 27m
There are no direct flights from Idaho to Bulgaria. There are no popular flight routes from Idaho to Bulgaria.
Search flight deals

Frequently asked questions about flying from Idaho to Bulgaria

  • 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.

Frequently asked questions about flying from Idaho to Bulgaria

  • 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.

An easier way to manage your Bulgaria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 5/12
Tue 5/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bulgaria

Popular cities in Bulgaria

Popular flights according to clicks in the last 7 days on momondo
Flights to Sofiafrom $515
Flights to Varnafrom $597
Flights to Burgasfrom $807
Flights to Plovdivfrom $1,158