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Idaho

$209+ Cheap flights from Louisville (SDF) to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOI
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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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 January 21, 2025.

Round-trip from

$343
(Delta)

One-way from

$209
(American Airlines)
From Louisville Intl to Idaho
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One-way flight from Louisville Intl to Idaho
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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 January 21, 2025.

This Delta deal was found by Cheapflights users on 1/20. 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.
Wed 2/194:39 pmSDF - BOI
1 stop9h 19mDelta
Wed 2/261:39 pmBOI - SDF
1 stop8h 19mDelta
Deal found 1/20$343
This Southwest deal was found by Cheapflights users on 1/19. 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 4/86:00 amSDF - GEG
1 stop6h 45mSouthwest
Tue 4/1512:55 pmGEG - SDF
1 stop5h 50mSouthwest
Deal found 1/19$347
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/195:54 pmSDF - BOI
1 stop6h 51mUnited Airlines
Wed 2/262:36 pmBOI - SDF
1 stop5h 38mUnited Airlines
Deal found 1/20$347
This Delta deal was found by Cheapflights users on 1/19. 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 4/86:42 amSDF - GEG
1 stop9h 12mDelta
Tue 4/157:07 pmGEG - SDF
2 stops11h 57mDelta
Deal found 1/19$352
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 9/208:01 amSDF - JAC
1 stop5h 56mAmerican Airlines
Thu 9/252:06 pmJAC - SDF
1 stop5h 35mAmerican Airlines
Deal found 1/20$409
This Southwest deal was found by Cheapflights users on 1/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1112:55 pmSDF - BOI
2 stops11h 30mSouthwest
Wed 3/127:35 amBOI - SDF
2 stops8h 40mSouthwest
Deal found 1/20$437
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 3/268:53 amSDF - JAC
1 stop8h 40mUnited Airlines
Wed 4/92:40 pmJAC - SDF
1 stop5h 35mUnited Airlines
Deal found 1/19$449
This Mytrip deal was found by Cheapflights users on 1/19. 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.
Fri 3/143:25 pmSDF - BOI
3 stops23h 07mMultiple Airlines
Fri 3/211:31 pmBOI - SDF
3 stops25h 07mMultiple Airlines
Deal found 1/19$491
This Delta deal was found by Cheapflights users on 1/19. 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.
Wed 3/266:00 amSDF - JAC
1 stop9h 12mDelta
Tue 4/87:05 amJAC - SDF
2 stops14h 53mDelta
Deal found 1/19$492
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 2/17:05 amSDF - BOI
1 stop7h 32mAmerican Airlines
Sat 2/87:00 amBOI - SDF
1 stop8h 38mAmerican Airlines
Deal found 1/20$511
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:59 pmSDF - BOI
3 stops27h 50mSpirit Airlines
Mon 5/129:49 pmBOI - SDF
3 stops18h 08mSpirit Airlines
Deal found 1/20$527
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/31:44 pmSDF - GEG
2 stops13h 15mAlaska Airlines
Mon 5/128:40 pmGEG - SDF
2 stops9h 47mAlaska Airlines
Deal found 1/21$579

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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Wed 2/19

4:39 pm-11:58 pm

1 stop9h 19m

Boise Air Term. Gowen Fld

Wed 2/26

1:39 pm-11:58 pm

1 stop8h 19m

$343

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Tue 4/8

6:00 am-9:45 am

1 stop6h 45m

Spokane

Tue 4/15

12:55 pm-9:45 pm

1 stop5h 50m

$347

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Wed 2/19

5:54 pm-10:45 pm

1 stop6h 51m

Boise Air Term. Gowen Fld

Wed 2/26

2:36 pm-10:14 pm

1 stop5h 38m

$347

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Tue 4/8

6:42 am-12:54 pm

1 stop9h 12m

Spokane

Tue 4/15

7:07 pm-10:04 am

2 stops11h 57m

$352

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Tue 3/11

12:55 pm-10:25 pm

2 stops11h 30m

Boise Air Term. Gowen Fld

Wed 3/12

7:35 am-6:15 pm

2 stops8h 40m

$437

LouisvilleJackson

SDF - JAC

SDFJAC

Louisville Intl

Wed 3/26

8:53 am-3:33 pm

1 stop8h 40m

Jackson Hole

Wed 4/9

2:40 pm-10:15 pm

1 stop5h 35m

$449

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Fri 3/14

3:25 pm-12:32 pm

3 stops23h 07m

Boise Air Term. Gowen Fld

Fri 3/21

1:31 pm-4:38 pm

3 stops25h 07m

$491

LouisvilleJackson

SDF - JAC

SDFJAC

Louisville Intl

Wed 3/26

6:00 am-1:12 pm

1 stop9h 12m

Jackson Hole

Tue 4/8

7:05 am-11:58 pm

2 stops14h 53m

$492

LouisvilleBoise

SDF - BOI

SDFBOI

Louisville Intl

Sat 2/1

7:05 am-12:37 pm

1 stop7h 32m

Boise Air Term. Gowen Fld

Sat 2/8

7:00 am-5:38 pm

1 stop8h 38m

$511

LouisvilleJackson

SDF - JAC

SDFJAC

Louisville Intl

Thu 6/26

6:52 am-11:10 am

1 stop6h 18m

Jackson Hole

Tue 7/1

7:00 am-5:35 pm

1 stop8h 35m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 21 results
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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, October is the cheapest month in which you can book a flight from Louisville to Idaho (average of $314). 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 January 21, 2025.

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 January 21, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines 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.
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

United Airlines
7.4
Good
8,985 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Food

7.2

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

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 cheapest airlines to fly from Louisville to Idaho one-way?

    One-way options have recently been found by users for as low as $209 on American Airlines. Other airlines that offer cheap prices include Southwest from $224 and Delta from $270 one-way.

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

    Most travelers choose Louisville Intl - Jackson Hole, Louisville Intl - Spokane or Louisville Intl - Boise Air Term. Gowen Fld when deciding on the best route 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, October is the cheapest month in which you can book a flight from Louisville to Idaho (average of $314). 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.

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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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$260Average$471FlexibilityNo cancel feeOn-time71%
DeltaCheapest$265Average$415FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$324Average$634FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$381Average$426FlexibilityNo cancel feeOn-time63%
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