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Cheap flights from Idaho to Sofia from $415

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 Sofia departing on 5/12. 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 Idaho to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:55 am - 11:15 pm
GEG
-
SOF
28h 20m
2 stops
United Airlines Logo
6:20 am - 6:36 pm
SOF
-
GEG
22h 16m
2 stops
$911United Airlines
сб., май 2 - сб., май 9
United Airlines Logo
4:03 pm - 6:40 pm
GEG
-
SOF
16h 37m
2 stops
United Airlines Logo
8:00 am - 9:16 pm
SOF
-
GEG
23h 16m
3 stops
$1,311United Airlines
сб., май 2 - сб., май 9
Air Canada Logo
7:10 am - 1:00 pm
GEG
-
SOF
19h 50m
3 stops
Air Canada Logo
6:20 am - 6:36 pm
SOF
-
GEG
22h 16m
3 stops
$1,570Air Canada
сб., май 2 - сб., май 9

United Airlines flights from Idaho to Sofia

Our best United Airlines deals on Idaho to Sofia flight tickets
United Airlines
May 2
GEG8:55 amSpokane
28h 20m
2 stops
SOF11:15 pmSofia
May 9
SOF6:20 amSofia
22h 16m
2 stops
GEG6:36 pmSpokane
$911
United Airlines
May 2
GEG4:03 pmSpokane
16h 37m
2 stops
SOF6:40 pmSofia
May 9
SOF8:00 amSofia
23h 16m
3 stops
GEG9:16 pmSpokane
$1,311

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 апрель 5, 2026.
Use the filters below to find and compare flights from Idaho to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

сб. 5/2

8:55 am-11:15 pm

2 stops28h 20m

Sofia

сб. 5/9

6:20 am-6:36 pm

2 stops22h 16m

$911
Quickest round-trip

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

сб. 5/2

4:03 pm-6:40 pm

2 stops16h 37m

Sofia

сб. 5/9

8:00 am-9:16 pm

3 stops23h 16m

$1,311

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

сб. 5/2

7:10 am-1:00 pm

3 stops19h 50m

Sofia

сб. 5/9

6:20 am-6:36 pm

3 stops22h 16m

$1,570
Cheapest one-way

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

вт. 5/12

12:15 pm-12:20 am

3 stops51h 05m

$415

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

вт. 5/12

2:57 pm-12:20 am

3 stops48h 23m

$420

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

вт. 5/12

6:00 am-12:20 am

3 stops56h 20m

$434

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

вт. 5/12

6:00 am-11:15 pm

2 stops31h 15m

$625
Quickest one-way

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

вт. 5/12

1:41 pm-8:30 pm

2 stops21h 49m

$643

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sofia from

How to get the cheapest flight ticket from Idaho to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Idaho to Sofia?

United Airlines is the most popular carrier operating from Idaho to Sofia

Cheap Idaho to Sofia flight deals and tips

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

Fastest flight time

18h 21m

Direct flights

None
The fastest flight from Idaho to Sofia takes 18h 21m
There are no direct flights from Idaho to Sofia. There are no popular flight routes from Idaho to Sofia.
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Frequently asked questions about flying from Idaho to Sofia

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

    Prices for flights from Idaho to Sofia Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Sofia Airport.

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

    The required travel and health documents for your Sofia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sofia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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 Idaho to Sofia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sofia from Idaho.

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

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

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

Once all potential Idaho to Sofia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Idaho 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 Idaho and alert you when they change.

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1 adult
вт. 5/5
вт. 5/12
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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