What is the cheapest airline that flies from San Diego to Wisconsin?

Frontier, United Airlines, and Southwest are the most popular carriers operating from San Diego to Wisconsin

What airlines fly to Wisconsin?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Wisconsin from San Diego according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Wisconsin. Keep in mind that there are 6 different airlines that fly to Wisconsin on a routine basis, so you have a few additional options to choose from.

How many flights depart from San Diego to Wisconsin on average per day?

The number of flights available between San Diego and Wisconsin is 44 per day as of September 2025. The most frequent departure time is 6:00AM, with 83% of daily flights leaving at noon.

How many flights depart from San Diego to Wisconsin on average per week?

311 flights are operational weekly from San Diego to Wisconsin as of September 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

When did momondo last update prices for flights from San Diego Airport to Wisconsin?

Prices for flights from San Diego Airport to Wisconsin refresh daily.

How many operators does momondo search for flights from San Diego Airport to Wisconsin?

As of September 2025, there are 9 operators available to choose from for flights from San Diego Airport to Wisconsin.

How old do you have to be to fly from San Diego Airport to Wisconsin?

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 San Diego Airport to Wisconsin.

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

The travel and health documents required for your trip to Wisconsin can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Wisconsin. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$77 Cheap Flights from San Diego to Wisconsin in 2025/26

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Find the cheapest flights from San Diego to Wisconsin

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:07 pm - 12:54 amSAN-ORD

6h 47m1 stop

7:20 am - 9:40 amORD-SAN

4h 20mnonstop

$141United Airlines

Find Deal

mar., oct. 14 - mar., oct. 21

5:01 pm - 11:14 pmSAN-ORD

4h 13mnonstop

7:10 am - 9:31 amORD-SAN

4h 21mnonstop

$142United Airlines

Find Deal

mié., oct. 15 - dom., oct. 19

2:24 pm - 11:53 pmSAN-ORD

7h 29m1 stop

7:05 am - 1:28 pmORD-SAN

8h 23m1 stop

$144Frontier

Find Deal

sáb., oct. 18 - sáb., oct. 25

2:50 pm - 10:35 pmSAN-ORD

5h 45m1 stop

2:15 pm - 9:05 pmORD-SAN

8h 50m1 stop

$150Southwest

Find Deal

mié., nov. 5 - mié., nov. 12

10:52 am - 11:53 pmSAN-ORD

11h 01m1 stop

7:20 am - 1:28 pmORD-SAN

8h 08m1 stop

$154Frontier

Find Deal

jue., oct. 23 - mié., oct. 29

6:16 am - 12:40 pmSAN-ORD

4h 24mnonstop

7:30 am - 9:59 amORD-SAN

4h 29mnonstop

$189American Airlines

Find Deal

mié., oct. 15 - dom., oct. 19

2:08 pm - 7:54 pmSAN-MSP

3h 46mnonstop

6:40 pm - 8:41 pmMSP-SAN

4h 01mnonstop

$239Delta

Find Deal

vie., dic. 5 - dom., dic. 7

10:20 pm - 8:44 amSAN-MKE

8h 24m1 stop

5:22 pm - 11:43 pmMKE-SAN

8h 21m1 stop

$257Delta

Find Deal

jue., nov. 6 - jue., nov. 13

3:14 pm - 11:29 pmSAN-MSN

6h 15m1 stop

5:46 pm - 10:24 pmMSN-SAN

6h 38m1 stop

$277American Airlines

Find Deal

mar., oct. 21 - mar., oct. 28

11:10 am - 11:00 pmSAN-MKE

9h 50m1 stop

11:40 am - 2:05 pmMKE-SAN

4h 25mnonstop

$297Southwest

Find Deal

jue., nov. 6 - jue., nov. 13

Frontier flights from San Diego to Wisconsin

Our best Frontier deals on San Diego to Wisconsin flight tickets

Frontier

Oct 18

SAN2:24 pmSan Diego

7h 29m

1 stop

ORD11:53 pmChicago O'Hare Intl

Oct 25

ORD7:05 amChicago O'Hare Intl

8h 23m

1 stop

SAN1:28 pmSan Diego

$144

Find similar

Frontier

Oct 23

SAN10:52 amSan Diego

11h 01m

1 stop

ORD11:53 pmChicago O'Hare Intl

Oct 29

ORD7:20 amChicago O'Hare Intl

8h 08m

1 stop

SAN1:28 pmSan Diego

$154

Find similar

Frontier

Oct 4

SAN7:15 amSan Diego

24h 22m

1 stop

ORD9:37 amChicago O'Hare Intl

Oct 7

ORD7:15 amChicago O'Hare Intl

18h 35m

1 stop

SAN11:50 pmSan Diego

$165

Find similar

American Airlines flights from San Diego to Wisconsin

Our best American Airlines deals on San Diego to Wisconsin flight tickets

American Airlines

Oct 15

SAN6:16 amSan Diego

4h 24m

ORD12:40 pmChicago O'Hare Intl

Oct 19

ORD7:30 amChicago O'Hare Intl

4h 29m

SAN9:59 amSan Diego

$189

Find similar

American Airlines

Oct 7

SAN10:53 amSan Diego

4h 28m

ORD5:21 pmChicago O'Hare Intl

Oct 19

ORD7:30 amChicago O'Hare Intl

4h 29m

SAN9:59 amSan Diego

$210

Find similar

American Airlines

Oct 21

SAN3:14 pmSan Diego

6h 15m

1 stop

MSN11:29 pmMadison Truax Field

Oct 28

MSN5:46 pmMadison Truax Field

6h 38m

1 stop

SAN10:24 pmSan Diego

$277

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoChicago

SAN - ORD

SANORD

San Diego

mar. 10/14

4:07 pm-12:54 am

1 stop6h 47m

Chicago O'Hare Intl

mar. 10/21

7:20 am-9:40 am

Nonstop4h 20m

$141

San DiegoChicago

SAN - ORD

SANORD

San Diego

mié. 10/15

5:01 pm-11:14 pm

Nonstop4h 13m

Chicago O'Hare Intl

dom. 10/19

7:10 am-9:31 am

Nonstop4h 21m

$142

San DiegoChicago

SAN - ORD

SANORD

San Diego

sáb. 10/18

2:24 pm-11:53 pm

1 stop7h 29m

Chicago O'Hare Intl

sáb. 10/25

7:05 am-1:28 pm

1 stop8h 23m

$144

San DiegoChicago

SAN - ORD

SANORD

San Diego

mié. 11/5

2:50 pm-10:35 pm

1 stop5h 45m

Chicago O'Hare Intl

mié. 11/12

2:15 pm-9:05 pm

1 stop8h 50m

$150

San DiegoChicago

SAN - ORD

SANORD

San Diego

jue. 10/23

10:52 am-11:53 pm

1 stop11h 01m

Chicago O'Hare Intl

mié. 10/29

7:20 am-1:28 pm

1 stop8h 08m

$154

San DiegoChicago

SAN - ORD

SANORD

San Diego

mié. 10/15

6:16 am-12:40 pm

Nonstop4h 24m

Chicago O'Hare Intl

dom. 10/19

7:30 am-9:59 am

Nonstop4h 29m

$189

San DiegoMinneapolis

SAN - MSP

SANMSP

San Diego

vie. 12/5

2:08 pm-7:54 pm

Nonstop3h 46m

Minneapolis St Paul

dom. 12/7

6:40 pm-8:41 pm

Nonstop4h 01m

$239

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

jue. 11/6

10:20 pm-8:44 am

1 stop8h 24m

Milwaukee-Mitchell

jue. 11/13

5:22 pm-11:43 pm

1 stop8h 21m

$257

San DiegoMadison

SAN - MSN

SANMSN

San Diego

mar. 10/21

3:14 pm-11:29 pm

1 stop6h 15m

Madison Truax Field

mar. 10/28

5:46 pm-10:24 pm

1 stop6h 38m

$277

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

jue. 11/6

11:10 am-11:00 pm

1 stop9h 50m

Milwaukee-Mitchell

jue. 11/13

11:40 am-2:05 pm

Nonstop4h 25m

$297

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 San Diego to Wisconsin

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 Wisconsin?

If you aren’t able to travel during the month of May, then book flights to Wisconsin from San Diego during March instead. Flights to Wisconsin in March, while not as cheap as those in May, still average around $392.

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

The cheapest day to depart from San Diego to Wisconsin is on a Tuesday. Travelers who choose to depart for Wisconsin on a Tuesday will often find tickets for as low as $303. The most expensive day to fly to Wisconsin is Saturday, with ticket prices averaging around $497.

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

Our most recent data shows that the best time of day to fly to Wisconsin is in the evening. Flights from San Diego to Wisconsin during this time can be as low as $267. Flights in the morning are often more expensive with an average ticket price of $445.

What is the cheapest San Diego to Wisconsin flight route?

Fly from San Diego to Milwaukee-Mitchell for the best San Diego - Wisconsin flight prices

How far in advance should I book a flight to Wisconsin?

You are more likely to see cheaper flights to Wisconsin from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Wisconsin for around $441 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Wisconsin from San Diego for as low as $336 on momondo.

What cabin class options are available on San Diego to Wisconsin flights?

There is only 1 cabin class available to choose from on San Diego to Wisconsin 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 San Diego to Wisconsin flights?

No. A direct flight is the cheapest option for a flight between San Diego to Wisconsin.

Cheap San Diego to Wisconsin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Wisconsin

Best Price Found	$189
Fastest flight time	3h 33m
Direct flights	Every day
Airports in Wisconsin	1 airport

The best one-way flight to Wisconsin from San Diego in the past 72 hours is $189. The best round-trip flight deal from San Diego to Wisconsin found on momondo in the last 72 hours is $313.

The fastest flight from San Diego to Wisconsin takes 3h 33m

Direct flights go from San Diego to Wisconsin every day.

There is 1 airport near Wisconsin: Minneapolis St Paul (MSP)

Search flight deals

When did momondo last update prices for flights from San Diego Airport to Wisconsin?
Prices for flights from San Diego Airport to Wisconsin refresh daily.
How many operators does momondo search for flights from San Diego Airport to Wisconsin?
As of September 2025, there are 9 operators available to choose from for flights from San Diego Airport to Wisconsin.
How old do you have to be to fly from San Diego Airport to Wisconsin?
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 San Diego Airport to Wisconsin.
What documentation or ID do you need to fly to Wisconsin?
The travel and health documents required for your trip to Wisconsin can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Wisconsin. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Diego to Wisconsin?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Diego to Wisconsin is Boeing 737 MAX 8 (21.43% of total bookings). The next most popular plane models are Boeing 737-700 Passenger/BBJ1 (winglets) (17.86%), Boeing 737-800 Passenger/BBJ2 (winglets) (14.29%), and Boeing 737 MAX 9 (10.71%).

Best airlines flying from San Diego to Wisconsin

Compare and see reviews for airlines that fly from San Diego to Wisconsin with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $119	Free Cancellation	Rating 5.8 3,163 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $168	Free Cancellation	Rating 6.3 8,042 reviews	Search Spirit Airlines flights
United Airlines	PriceFrom $256	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights
Delta	PriceFrom $260	Free Cancellation	Rating 7.9 7,973 reviews	Search Delta flights
Southwest	PriceFrom $264	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights
American Airlines	PriceFrom $269	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Wisconsin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to Wisconsin. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Diego to Wisconsin with flexible booking policies on momondo?

All flight searches from San Diego to Wisconsin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Wisconsin?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Wisconsin from San Diego.

I’m not ready to book a flight from San Diego to Wisconsin right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Wisconsin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Wisconsin trip

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Find better results for your trip to Wisconsin

Popular cities in Wisconsin

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Flights to San Franciscofrom $60

Flights to Washington, D.C.from $56

Flights to Bostonfrom $68

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Flights to Dallasfrom $60

Flights to Seattlefrom $86

Cheap flights from San Diego to Wisconsin from $77

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Wisconsin departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from San Diego to Wisconsin

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from San Diego to Wisconsin

Our best Frontier deals on San Diego to Wisconsin flight tickets

American Airlines flights from San Diego to Wisconsin

Our best American Airlines deals on San Diego to Wisconsin flight tickets

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Use the filters below to find and compare flights from San Diego to Wisconsin that are best for you.

See travel insights to Wisconsin from

How to get the cheapest flight ticket from San Diego to Wisconsin

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 month to fly to Wisconsin?

If you aren’t able to travel during the month of May, then book flights to Wisconsin from San Diego during March instead. Flights to Wisconsin in March, while not as cheap as those in May, still average around $392.

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

The cheapest day to depart from San Diego to Wisconsin is on a Tuesday. Travelers who choose to depart for Wisconsin on a Tuesday will often find tickets for as low as $303. The most expensive day to fly to Wisconsin is Saturday, with ticket prices averaging around $497.

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

Our most recent data shows that the best time of day to fly to Wisconsin is in the evening. Flights from San Diego to Wisconsin during this time can be as low as $267. Flights in the morning are often more expensive with an average ticket price of $445.

What is the cheapest San Diego to Wisconsin flight route?

Fly from San Diego to Milwaukee-Mitchell for the best San Diego - Wisconsin flight prices

How far in advance should I book a flight to Wisconsin?

What cabin class options are available on San Diego to Wisconsin flights?

There is only 1 cabin class available to choose from on San Diego to Wisconsin 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 San Diego to Wisconsin flights?

No. A direct flight is the cheapest option for a flight between San Diego to Wisconsin.

What is the cheapest airline that flies from San Diego to Wisconsin?

Frontier, United Airlines, and Southwest are the most popular carriers operating from San Diego to Wisconsin

What airlines fly to Wisconsin?

How many flights depart from San Diego to Wisconsin on average per day?

The number of flights available between San Diego and Wisconsin is 44 per day as of September 2025. The most frequent departure time is 6:00AM, with 83% of daily flights leaving at noon.

How many flights depart from San Diego to Wisconsin on average per week?

311 flights are operational weekly from San Diego to Wisconsin as of September 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

Cheap San Diego to Wisconsin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Wisconsin

Best Price Found

Fastest flight time

Direct flights

Airports in Wisconsin

When did momondo last update prices for flights from San Diego Airport to Wisconsin?

How many operators does momondo search for flights from San Diego Airport to Wisconsin?

How old do you have to be to fly from San Diego Airport to Wisconsin?

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

What is the most popular plane model from San Diego to Wisconsin?

Best airlines flying from San Diego to Wisconsin

Compare and see reviews for airlines that fly from San Diego to Wisconsin with momondo

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Wisconsin?

Can I find flights from San Diego to Wisconsin with flexible booking policies on momondo?

How can momondo help me find flights from San Diego to Wisconsin?

I’m not ready to book a flight from San Diego to Wisconsin right now. Can momondo alert me if prices change?

An easier way to manage your Wisconsin 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Wisconsin

Popular cities in Wisconsin

Popular flights according to clicks in the last 7 days on momondo