Idaho

$346+ Cheap flights from Louisville (SDF) to Idaho

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOI
Nov 25 — Dec 21
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Idaho with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Louisville to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Idaho (USID). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Louisville to Idaho

Cheapest flights from Louisville to Idaho
Explore the most affordable flight options available from Louisville to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/198:00 amSDF - GEG
1 stop7h 50mUnited Airlines
Wed 12/255:05 amGEG - SDF
1 stop6h 29mUnited Airlines
Deal found 11/19$381
This United Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/198:00 amSDF - BOI
1 stop7h 28mUnited Airlines
Wed 12/257:00 amBOI - SDF
1 stop5h 34mUnited Airlines
Deal found 11/18$381
This Southwest deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/172:40 pmSDF - BOI
2 stops10h 20mSouthwest
Tue 12/316:25 amBOI - SDF
2 stops9h 35mSouthwest
Deal found 11/19$478
This United Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/43:20 pmSDF - JAC
1 stop7h 59mUnited Airlines
Sun 12/87:00 amJAC - SDF
1 stop5h 24mUnited Airlines
Deal found 11/18$482
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/228:55 amSDF - IDA
1 stop6h 36mUnited Airlines
Mon 11/252:35 pmIDA - SDF
1 stop5h 39mUnited Airlines
Deal found 11/19$495
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/216:34 amSDF - IDA
1 stop8h 35mAmerican Airlines
Sun 11/241:40 pmIDA - SDF
1 stop6h 07mAmerican Airlines
Deal found 11/19$518
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/26:26 amSDF - GEG
1 stop9h 21mAmerican Airlines
Thu 1/95:27 amGEG - SDF
1 stop9h 11mAmerican Airlines
Deal found 11/20$694
This Southwest deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2610:40 amSDF - GEG
1 stop9h 10mSouthwest
Wed 1/17:20 amGEG - SDF
2 stops11h 20mSouthwest
Deal found 11/19$696
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/23:26 pmSDF - GEG
1 stop9h 35mDelta
Thu 1/96:00 amGEG - SDF
2 stops8h 38mDelta
Deal found 11/20$699
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/412:58 pmSDF - BOI
3 stops24h 00mMultiple Airlines
Sat 1/411:57 amBOI - SDF
3 stops29h 02mMultiple Airlines
Deal found 11/19$832
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/197:20 pmSDF - BOI
1 stop6h 45mDelta
Mon 11/255:30 amBOI - SDF
2 stops10h 25mDelta
Deal found 11/19$1,011
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/231:30 pmSDF - PIH
2 stops10h 50mDelta
Fri 12/276:20 amPIH - SDF
2 stops9h 04mDelta
Deal found 11/19$1,048

Find flights from Louisville to Idaho within your budget

Customize your flight search to find flights from Louisville to Idaho 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, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Sat 2/8

9:00 am-1:23 pm

1 stop6h 23m

Boise Air Term. Gowen Fld

Wed 2/12

2:32 pm-10:12 pm

1 stop5h 40m

$346

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Sat 2/8

6:50 am-1:57 pm

1 stop9h 07m

Boise Air Term. Gowen Fld

Wed 2/12

5:55 am-3:59 pm

2 stops8h 04m

$351

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Thu 12/19

8:00 am-12:50 pm

1 stop7h 50m

Spokane

Wed 12/25

5:05 am-2:34 pm

1 stop6h 29m

$381

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Fri 1/17

6:35 am-9:55 am

1 stop6h 20m

Spokane

Mon 1/20

1:55 pm-10:35 pm

1 stop5h 40m

$411

LouisvilleJackson

SDF - JAC

SDFJAC

Louisville Intl

Sat 1/18

6:00 am-1:18 pm

1 stop9h 18m

Jackson Hole

Sat 1/25

3:30 pm-10:58 pm

1 stop5h 28m

$418

LouisvilleIdaho Falls

SDF - IDA

SDFIDA

Louisville Intl

Thu 2/13

5:15 am-12:26 pm

1 stop9h 11m

Idaho Falls Fanning Field

Sun 2/16

12:56 pm-11:55 pm

1 stop8h 59m

$438

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Fri 5/16

6:40 am-1:40 pm

2 stops9h 00m

Boise Air Term. Gowen Fld

Sun 5/18

4:50 pm-12:45 am

1 stop5h 55m

$451

LouisvilleJackson

SDF - JAC

SDFJAC

Louisville Intl

Wed 12/4

3:20 pm-9:19 pm

1 stop7h 59m

Jackson Hole

Sun 12/8

7:00 am-2:24 pm

1 stop5h 24m

$482

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Sat 2/8

7:35 pm-6:38 pm

3 stops25h 03m

Boise Air Term. Gowen Fld

Wed 2/12

12:20 pm-5:57 pm

2 stops27h 37m

$485

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Fri 1/17

5:00 pm-12:03 am

2 stops10h 03m

Spokane

Mon 1/20

7:24 pm-11:34 am

2 stops13h 10m

$486

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Louisville to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Louisville to Idaho

Get recent, data-driven insights about flights from Louisville to Idaho including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Louisville to Idaho?

Currently, January is the cheapest month in which you can book a flight from Louisville to Idaho (average of $310). Flying from Louisville to Idaho in June is currently the most expensive (average of $436). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SDF to ID?

Find hourly flight availability from Louisville to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to Idaho as you normally would.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated November 20, 2024.
Peruse reviews from past customers who have flown with United Airlines, Delta and Southwest from Louisville to Idaho to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.1
Very good
5,014 reviews
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.0
Very good
9,461 reviews
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.0
Very good
8,756 reviews
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.4
Good
9,171 reviews
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.2
Good
10,000 reviews
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Louisville to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Louisville to Idaho?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to Idaho.

  • What are the most popular routes from Louisville to Idaho?

  • Can I find deals for flights from Louisville to Idaho that include hotel bookings?

    Yes. In addition to deals on Louisville to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Idaho.

  • Can I find deals for business class flights from Louisville to Idaho?

    Yes. Cheapflights offers flight deals from Louisville to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to Idaho?

    Currently, January is the cheapest month in which you can book a flight from Louisville to Idaho (average of $310). Flying from Louisville to Idaho in June is currently the most expensive (average of $436). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Louisville to Idaho

Discover the top 4 airlines that operate flights from Louisville to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$260Average$471FlexibilityNo cancel feeOn-time71%
DeltaCheapest$265Average$568FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$324Average$619FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$381Average$426FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.