What is the cheapest airline that flies from Louisville Intl to Detroit?

Southwest is the most popular carrier operating from Louisville Intl to Detroit

How many flights depart from Louisville to Detroit on average per day?

7 flights are operational daily from Louisville to Detroit as of September 2026. The most popular departure time for this route is 10:00AM, with 75% of flights per day taking off at noon.

How many flights depart from Louisville to Detroit on average per week?

The number of flights available between Louisville and Detroit is 55 per week as of September 2026. The most frequent departure day is Mon, with 22% of weekly flights leaving on this day.

When did momondo last update prices for flights from Louisville Intl Airport to Detroit?

Prices for flights from Louisville Intl Airport to Detroit were last updated today.

How many operators does momondo search for flights from Louisville Intl Airport to Detroit?

As of September 2026, there is 1 operator available to choose from for flights from Louisville Intl Airport to Detroit.

How old do you have to be to fly from Louisville Intl Airport to Detroit?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Detroit.

What documentation or ID do you need to fly to Detroit?

The necessary travel and health documents for your Detroit trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$108 Cheap Flights from Louisville to Detroit in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Detroit

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 am - 12:20 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

6h 50m1 stop Baltimore/Washington

6:00 am - 12:05 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

6h 05m1 stop Nashville Intl

$277Southwest

Wed, Sep 23 - Sat, Sep 26

7:20 am - 1:20 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

6h 00m1 stop Nashville Intl

3:10 pm - 10:20 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

7h 10m1 stop Baltimore/Washington

$277Southwest

Wed, Nov 4 - Sat, Nov 7

5:35 pm - 10:50 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

5h 15m1 stop Nashville Intl

5:00 am - 12:30 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

7h 30m1 stop Baltimore/Washington

$277Southwest

Mon, Nov 9 - Thu, Nov 12

2:05 pm - 8:55 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

6h 50m2 stops Chicago Midway Lambert-St Louis

3:10 pm - 10:20 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

7h 10m1 stop Baltimore/Washington

$282Southwest

Wed, Nov 4 - Sat, Nov 7

5:00 pm - 9:20 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

4h 20m1 stop Baltimore/Washington

6:35 am - 12:05 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

5h 30m2 stops Lambert-St Louis Nashville Intl

$282Southwest

Wed, Sep 23 - Sat, Sep 26

4:40 pm - 9:00 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

4h 20m1 stop Chicago Midway

5:00 am - 12:10 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

7h 10m2 stops Baltimore/Washington Nashville Intl

$282Southwest

Mon, Nov 9 - Thu, Nov 12

1:15 pm - 9:20 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

8h 05m2 stops Chicago Midway Baltimore/Washington

6:35 am - 12:05 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

5h 30m2 stops Lambert-St Louis Nashville Intl

$287Southwest

Wed, Sep 23 - Sat, Sep 26

12:05 pm - 9:00 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

8h 55m2 stops Baltimore/Washington Chicago Midway

5:00 am - 12:10 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

7h 10m2 stops Baltimore/Washington Nashville Intl

$287Southwest

Mon, Nov 9 - Thu, Nov 12

7:55 am - 9:19 amSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

1h 24mnonstop

12:30 pm - 1:53 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

1h 23mnonstop

$489Delta

Fri, Oct 9 - Sun, Oct 11

7:55 am - 9:19 amSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

1h 24mnonstop

3:25 pm - 4:51 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

1h 26mnonstop

$489Delta

Wed, Nov 4 - Sat, Nov 7

Cheap last minute flights

Enter your travel dates to find the best prices.

10:56 am - 11:38 amSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

24h 42m2 stops Raleigh-Durham Atlanta Hartsfield-Jackson

6:46 pm - 4:34 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

21h 48m1 stop Orlando

$489Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

10:56 am - 5:49 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

6h 53m1 stop Raleigh-Durham

6:46 pm - 4:34 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

21h 48m1 stop Orlando

$514Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

10:56 am - 5:49 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

6h 53m1 stop Raleigh-Durham

10:29 pm - 10:11 amDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

35h 42m2 stops Dallas/Fort Worth Raleigh-Durham

$544Multiple Airlines

Wed, Sep 9 - Thu, Sep 10

10:56 am - 5:49 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

6h 53m1 stop Raleigh-Durham

4:23 pm - 10:35 amDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

18h 12m1 stop Fort Lauderdale

$621Multiple Airlines

Wed, Sep 9 - Thu, Sep 10

10:32 am - 11:57 amSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

1h 25mnonstop

7:50 pm - 9:16 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

1h 26mnonstop

$629Delta

Wed, Sep 9 - Wed, Sep 16

5:30 am - 3:00 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

9h 30m2 stops Baltimore/Washington Chicago Midway

6:25 am - 3:15 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

8h 50m2 stops Lambert-St Louis Chicago Midway

$634Southwest

Wed, Sep 9 - Wed, Sep 16

6:00 am - 10:20 amSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

4h 20m1 stop Atlanta Hartsfield-Jackson

7:50 pm - 9:16 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

1h 26mnonstop

$639Delta

Wed, Sep 9 - Wed, Sep 16

9:09 pm - 10:43 amSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

13h 34m1 stop Tampa

8:57 pm - 10:11 amDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

37h 14m2 stops Orlando Raleigh-Durham

$643Multiple Airlines

Sun, Sep 13 - Mon, Sep 14

8:20 am - 12:30 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

4h 10m1 stop Baltimore/Washington

2:50 pm - 9:25 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

6h 35m1 stop Baltimore/Washington

$659Southwest

Sat, Sep 12 - Sat, Sep 12

5:40 am - 12:35 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

6h 55m1 stop Baltimore/Washington

5:30 am - 10:00 amDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

4h 30m1 stop Baltimore/Washington

$659Southwest

Sun, Sep 13 - Mon, Sep 14

Cheap direct flights

Enter your travel dates to find the best prices.

7:55 am - 9:19 amSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

1h 24mnonstop

12:30 pm - 1:53 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

1h 23mnonstop

$489Delta

Fri, Oct 9 - Sun, Oct 11

2:36 pm - 3:59 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

1h 23mnonstop

7:45 pm - 9:13 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

1h 28mnonstop

$489Delta

Thu, Oct 29 - Sun, Nov 1

7:55 am - 9:19 amSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

1h 24mnonstop

3:25 pm - 4:51 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

1h 26mnonstop

$489Delta

Wed, Nov 4 - Sat, Nov 7

5:38 pm - 7:08 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

1h 30mnonstop

8:29 am - 9:59 amDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

1h 30mnonstop

$509Delta

Thu, Oct 8 - Sun, Oct 11

5:38 pm - 7:08 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

1h 30mnonstop

8:29 am - 9:59 amDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

1h 30mnonstop

$509Delta

Thu, Oct 8 - Sun, Oct 11

10:39 am - 12:04 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

1h 25mnonstop

7:45 pm - 9:13 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

1h 28mnonstop

$509Delta

Tue, Oct 13 - Tue, Oct 20

5:38 pm - 7:08 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

1h 30mnonstop

8:29 am - 9:59 amDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

1h 30mnonstop

$509Delta

Thu, Oct 8 - Sun, Oct 18

10:39 am - 12:04 pmSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

1h 25mnonstop

8:29 am - 9:59 amDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

1h 30mnonstop

$509Delta

Sat, Oct 10 - Sat, Oct 17

7:55 am - 9:19 amSDF Louisville Intl-DTW Detroit Metropolitan Wayne County

1h 24mnonstop

7:45 pm - 9:13 pmDTW Detroit Metropolitan Wayne County-SDF Louisville Intl

1h 28mnonstop

$509Delta

Sun, Oct 11 - Sat, Oct 17

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Southwest flights from Louisville to Detroit

Our best Southwest deals on Louisville to Detroit flight tickets

Southwest

Nov 4

SDF7:20 amLouisville Intl

6h 00m

1 stop

DTW1:20 pmDetroit Metropolitan Wayne County

Nov 7

DTW3:10 pmDetroit Metropolitan Wayne County

7h 10m

1 stop

SDF10:20 pmLouisville Intl

$277

Southwest

Nov 4

SDF2:05 pmLouisville Intl

6h 50m

2 stops

DTW8:55 pmDetroit Metropolitan Wayne County

Nov 7

DTW3:10 pmDetroit Metropolitan Wayne County

7h 10m

1 stop

SDF10:20 pmLouisville Intl

$282

Southwest

Oct 15

SDF12:10 pmLouisville Intl

7h 35m

1 stop

DTW7:45 pmDetroit Metropolitan Wayne County

Oct 16

DTW2:45 pmDetroit Metropolitan Wayne County

6h 25m

1 stop

SDF9:10 pmLouisville Intl

$290

Delta flights from Louisville to Detroit

Our best Delta deals on Louisville to Detroit flight tickets

Delta

Sep 20

SDF5:50 pmLouisville Intl

1h 29m

DTW7:19 pmDetroit Metropolitan Wayne County

Oct 2

DTW3:55 pmDetroit Metropolitan Wayne County

1h 24m

SDF5:19 pmLouisville Intl

$529

Delta

Sep 20

SDF6:00 amLouisville Intl

5h 15m

1 stop

DTW11:15 amDetroit Metropolitan Wayne County

Oct 2

DTW3:55 pmDetroit Metropolitan Wayne County

1h 24m

SDF5:19 pmLouisville Intl

$539

Delta

Sep 21

SDF2:47 pmLouisville Intl

1h 28m

DTW4:15 pmDetroit Metropolitan Wayne County

Sep 27

DTW12:44 pmDetroit Metropolitan Wayne County

1h 23m

SDF2:07 pmLouisville Intl

$549

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDetroit

SDF Louisville Intl - DTW Detroit Metropolitan Wayne County

SDFDTW

Louisville Intl

Wed 9/23

5:30 am-12:20 pm

1 stop6h 50m

Detroit Metropolitan Wayne County

Sat 9/26

6:00 am-12:05 pm

1 stop6h 05m

$277

LouisvilleDetroit

SDF Louisville Intl - DTW Detroit Metropolitan Wayne County

SDFDTW

Louisville Intl

Wed 11/4

7:20 am-1:20 pm

1 stop6h 00m

Detroit Metropolitan Wayne County

Sat 11/7

3:10 pm-10:20 pm

1 stop7h 10m

$277

LouisvilleDetroit

SDF Louisville Intl - DTW Detroit Metropolitan Wayne County

SDFDTW

Louisville Intl

Mon 11/9

5:35 pm-10:50 pm

1 stop5h 15m

Detroit Metropolitan Wayne County

Thu 11/12

5:00 am-12:30 pm

1 stop7h 30m

$277

LouisvilleDetroit

SDF Louisville Intl - DTW Detroit Metropolitan Wayne County

SDFDTW

Louisville Intl

Wed 11/4

2:05 pm-8:55 pm

2 stops6h 50m

Detroit Metropolitan Wayne County

Sat 11/7

3:10 pm-10:20 pm

1 stop7h 10m

$282

LouisvilleDetroit

SDF Louisville Intl - DTW Detroit Metropolitan Wayne County

SDFDTW

Louisville Intl

Wed 9/23

5:00 pm-9:20 pm

1 stop4h 20m

Detroit Metropolitan Wayne County

Sat 9/26

6:35 am-12:05 pm

2 stops5h 30m

$282

LouisvilleDetroit

SDF Louisville Intl - DTW Detroit Metropolitan Wayne County

SDFDTW

Louisville Intl

Mon 11/9

4:40 pm-9:00 pm

1 stop4h 20m

Detroit Metropolitan Wayne County

Thu 11/12

5:00 am-12:10 pm

2 stops7h 10m

$282

LouisvilleDetroit

SDF Louisville Intl - DTW Detroit Metropolitan Wayne County

SDFDTW

Louisville Intl

Wed 9/23

1:15 pm-9:20 pm

2 stops8h 05m

Detroit Metropolitan Wayne County

Sat 9/26

6:35 am-12:05 pm

2 stops5h 30m

$287

LouisvilleDetroit

SDF Louisville Intl - DTW Detroit Metropolitan Wayne County

SDFDTW

Louisville Intl

Mon 11/9

12:05 pm-9:00 pm

2 stops8h 55m

Detroit Metropolitan Wayne County

Thu 11/12

5:00 am-12:10 pm

2 stops7h 10m

$287

Quickest round-trip

LouisvilleDetroit

SDF Louisville Intl - DTW Detroit Metropolitan Wayne County

SDFDTW

Louisville Intl

Fri 10/9

7:55 am-9:19 am

Nonstop1h 24m

Detroit Metropolitan Wayne County

Sun 10/11

12:30 pm-1:53 pm

Nonstop1h 23m

$489

LouisvilleDetroit

SDF Louisville Intl - DTW Detroit Metropolitan Wayne County

SDFDTW

Louisville Intl

Wed 11/4

7:55 am-9:19 am

Nonstop1h 24m

Detroit Metropolitan Wayne County

Sat 11/7

3:25 pm-4:51 pm

Nonstop1h 26m

$489

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Detroit

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

Prices

Airlines

Other information

What is the cheapest month to fly to Detroit?

The cheapest month to fly to Detroit from Louisville is in February. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in February, then November is your next best option. Flight prices from Louisville to Detroit during November average around $379.

What is the cheapest day to depart on your flight to Detroit?

On average, the least expensive day to fly to Detroit from Louisville is on a Saturday. momondo users have found tickets for Saturday departures for as low as $547. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Louisville to Detroit for around $777.

What is the cheapest time of day to depart on your flight to Detroit?

In the morning is the cheapest time of day to fly from Louisville to Detroit when you can find flight prices for as low as $564. Flying to Detroit in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $953 on average. Flights to Detroit from Louisville at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Louisville Intl to Detroit flight route?

Fly from Louisville Intl to Detroit Metropolitan Wayne County for the best Louisville Intl - Detroit flight prices

What cabin class options are available on Louisville to Detroit flights?

There are 4 cabin classes available to choose from on Louisville to Detroit flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Louisville to Detroit flights?

You could potentially save up to 61% on your flight if you consider stops on a Louisville to Detroit flight.

When to book flights from Louisville to Detroit

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Detroit according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Detroit (SDF to DTT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Detroit

Best Price Found	$108
Fastest flight time	1h 23m
Direct flights	Every day
Airports in Detroit	1 airport

The best one-way flight to Detroit from Louisville in the past 72 hours is $108. The best round-trip flight deal from Louisville to Detroit found on momondo in the last 72 hours is $277.

The fastest flight from Louisville to Detroit takes 1h 23m

Direct flights go from Louisville to Detroit every day.

There is 1 airport in Detroit. From Louisville there are direct flights to Detroit Metropolitan Wayne County (DTW).

Search flight deals

Frequently asked questions about flying from Louisville to Detroit

How far is Louisville Intl to Detroit by plane?
There are 316.1 mi between Louisville Intl and Detroit. A reasonable flight in good conditions will take 1h 23m.
When did momondo last update prices for flights from Louisville Intl Airport to Detroit?
Prices for flights from Louisville Intl Airport to Detroit were last updated today.
How many operators does momondo search for flights from Louisville Intl Airport to Detroit?
As of September 2026, there is 1 operator available to choose from for flights from Louisville Intl Airport to Detroit.
How old do you have to be to fly from Louisville Intl Airport to Detroit?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Detroit.
What documentation or ID do you need to fly to Detroit?
The necessary travel and health documents for your Detroit trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Louisville to Detroit?
Based on momondo bookings for flights between Louisville and Detroit, the leading plane model is Embraer 175, making up 25.00% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 900 with 20.73%, Boeing 737 MAX 8 with 13.41%, and Airbus A220-300 with 4.88%.
What is the most popular airline from Louisville to Detroit?
momondo data reveals that the most frequently booked airline on the route from Louisville to Detroit is Delta, representing 100% of all bookings.

Best airlines flying from Louisville to Detroit

Compare and see reviews for airlines that fly from Louisville to Detroit with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $329	Free Cancellation	Rating 7.8 8,548 reviews		Search Delta flights

Delta Flights From Louisville to Detroit
Delta flies from Louisville to Detroit around 13 times per week, with 8,549 momondo users rating the airline 7.8/10. The cheapest Delta deal from Louisville to Detroit in the last 72 hours was $329 (round-trip), much lower than the average airfare cost of $579 for Delta flights on this route.

Roseville

Port Huron

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Detroit?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to Detroit. momondo saves you time and could save you money on your trip.

Can I find flights from Louisville to Detroit with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Detroit from Louisville with this policy.

How can momondo help me find flights from Louisville to Detroit?

Once all potential Louisville to Detroit 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 Louisville to Detroit right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Louisville to Detroit 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.