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$73+ Cheap flights from Wisconsin to San Diego (SAN)

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Wisconsin to San Diego

Keep the following information in mind while searching for Wisconsin to San Diego flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$142
(Cheapflightsfares)

One-way from

$73
(Trip.com)

Popular in

March

Cheapest in

August

Average price

$431

Good round-trip deal

$417 or less
Provider with most accurate pricing for Milwaukee-Mitchell-San Diego flight deals.
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Provider most trusted by Cheapflights users for Milwaukee-Mitchell-San Diego flights.
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From Wisconsin to San Diego
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One-way flight from Wisconsin to San Diego
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Wisconsin to San Diego.
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Find flight deals from Wisconsin to San Diego

Cheapest flights from Wisconsin to San Diego
Explore the most affordable flight options available from Wisconsin to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/42:34 pmORD - SAN
1 stop11h 17mSpirit Airlines
Mon 4/75:30 pmSAN - ORD
1 stop11h 12mSpirit Airlines
Deal found 2/20$142
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/96:45 amORD - SAN
1 stop7h 03mMultiple Airlines
Tue 3/258:07 pmSAN - ORD
1 stop8h 35mMultiple Airlines
Deal found 2/20$144
This Frontier deal was found by Cheapflights users on 2/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/46:50 amORD - SAN
1 stop6h 58mFrontier
Sat 3/810:29 amSAN - ORD
1 stop8h 45mFrontier
Deal found 2/20$145
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/66:00 amMSP - SAN
1 stop20h 14mFrontier
Wed 4/912:19 pmSAN - MSP
1 stop9h 09mFrontier
Deal found 2/20$173
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/411:20 amMSP - SAN
Nonstop4h 00mMultiple Airlines
Wed 3/512:48 pmSAN - MSP
1 stop8h 40mMultiple Airlines
Deal found 2/20$175
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/82:00 pmMSP - SAN
Nonstop3h 59mSun Country Air
Sun 4/137:25 amSAN - MSP
Nonstop3h 45mSun Country Air
Deal found 2/20$195
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 4/17:50 amATW - SAN
1 stop6h 49mAmerican Airlines
Tue 4/291:41 pmSAN - ATW
1 stop7h 43mAmerican Airlines
Deal found 2/19$229
This Mytrip deal was found by Cheapflights users on 2/19. 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 4/25:30 amMSP - SAN
2 stops11h 04mSpirit Airlines
Mon 4/75:30 pmSAN - MSP
3 stops18h 48mSpirit Airlines
Deal found 2/19$258
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 4/36:34 pmGRB - SAN
1 stop7h 00mAmerican Airlines
Sat 4/126:15 amSAN - GRB
1 stop7h 11mAmerican Airlines
Deal found 2/20$259
This Frontier deal was found by Cheapflights users on 2/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:47 pmGRB - SAN
1 stop6h 26mFrontier
Mon 5/196:25 amSAN - GRB
1 stop10h 32mFrontier
Deal found 2/20$268
This Delta deal was found by Cheapflights users on 2/19. 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 5/66:24 amGRB - SAN
1 stop6h 24mDelta
Sat 5/106:20 amSAN - GRB
1 stop7h 12mDelta
Deal found 2/19$277
This Delta deal was found by Cheapflights users on 2/19. 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.
Fri 4/186:06 pmDLH - SAN
1 stop7h 17mDelta
Tue 4/296:15 amSAN - DLH
1 stop5h 39mDelta
Deal found 2/19$278

Find flights from Wisconsin to San Diego within your budget

Customize your flight search to find flights from Wisconsin to San Diego 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 February 20, 2025.

Fly from

Wisconsin

Fly to

San Diego

Route

Depart

Return

Price

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Fri 4/4

2:34 pm-11:51 pm

1 stop11h 17m

San Diego

Mon 4/7

5:30 pm-6:42 am

1 stop11h 12m

$142

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Sun 3/9

6:45 am-11:48 am

1 stop7h 03m

San Diego

Tue 3/25

8:07 pm-6:42 am

1 stop8h 35m

$144

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Tue 3/4

6:50 am-11:48 am

1 stop6h 58m

San Diego

Sat 3/8

10:29 am-9:14 pm

1 stop8h 45m

$145

MinneapolisSan Diego

MSP - SAN

MSPSAN

Minneapolis St Paul

Sun 4/6

6:00 am-12:14 am

1 stop20h 14m

San Diego

Wed 4/9

12:19 pm-11:28 pm

1 stop9h 09m

$173

MinneapolisSan Diego

MSP - SAN

MSPSAN

Minneapolis St Paul

Tue 3/4

11:20 am-1:20 pm

Nonstop4h 00m

San Diego

Wed 3/5

12:48 pm-11:28 pm

1 stop8h 40m

$175

MinneapolisSan Diego

MSP - SAN

MSPSAN

Minneapolis St Paul

Tue 4/8

2:00 pm-3:59 pm

Nonstop3h 59m

San Diego

Sun 4/13

7:25 am-1:10 pm

Nonstop3h 45m

$195

MinneapolisSan Diego

MSP - SAN

MSPSAN

Minneapolis St Paul

Tue 3/18

5:03 pm-7:41 am

3 stops40h 38m

San Diego

Tue 3/25

8:11 am-2:18 pm

3 stops28h 07m

$207

AppletonSan Diego

ATW - SAN

ATWSAN

Appleton Intl

Tue 4/1

7:50 am-12:39 pm

1 stop6h 49m

San Diego

Tue 4/29

1:41 pm-11:24 pm

1 stop7h 43m

$229

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Thu 4/3

6:34 pm-11:34 pm

1 stop7h 00m

San Diego

Sat 4/12

6:15 am-3:26 pm

1 stop7h 11m

$259

Green BaySan Diego

GRB - SAN

GRBSAN

Green Bay Austin-Straubel

Mon 5/12

7:47 pm-12:13 am

1 stop6h 26m

San Diego

Mon 5/19

6:25 am-6:57 pm

1 stop10h 32m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
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Best time to book a flight from Wisconsin to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Wisconsin 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 Wisconsin to San Diego

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

What is the cheapest month to book a flight from Wisconsin to San Diego?

Currently, August is the cheapest month in which you can book a flight from Wisconsin to San Diego (average of $286). Flying from Wisconsin to San Diego in March is currently the most expensive (average of $366). 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 WI to SAN?

Find hourly flight availability from Wisconsin to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

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

Rainfall in San Diego by month

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

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

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

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated February 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Wisconsin to San Diego by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Related info for your journey

Find useful and relevant information for your journey from Wisconsin to San Diego. 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 into for flights to San Diego from Wisconsin?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly into when you book flights from Wisconsin to San Diego.

  • What are the cheapest airlines to fly from Wisconsin to San Diego one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $73. Spirit Airlines flights start at $84 while deals on Sun Country Air start at $98 one-way.

  • What are the most popular routes from Wisconsin to San Diego?

    The most popular route from Wisconsin to San Diego is Chicago O'Hare Intl - San Diego. You may also consider Minneapolis St Paul - San Diego or Milwaukee-Mitchell - San Diego.

  • What are the cheapest flights from Wisconsin to San Diego?

    Looking at all options, your cheapest flight can be booked for $417. While the most popular route (Chicago O'Hare Intl - San Diego) can be booked for $81 on average our data indicates $527 when flying from Wisconsin to San Diego.

  • Can I find deals for flights from Wisconsin to San Diego that include hotel bookings?

    Yes. In addition to deals on Wisconsin to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Wisconsin to San Diego?

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

  • Can I find deals for business class flights from Wisconsin to San Diego?

    Yes. Cheapflights offers flight deals from Wisconsin to San Diego 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 Wisconsin to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Wisconsin to San Diego (average of $286). Flying from Wisconsin to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near Wisconsin?

Book flights to Wisconsin if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Alternative routes for Wisconsin to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Wisconsin to San Diego

Discover the top 6 airlines that operate flights from Wisconsin to San Diego. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$112Average$231FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$162Average$256FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$197Average$461FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$474FlexibilityNo cancel feeOn-time69%
DeltaCheapest$231Average$402FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$336Average$455FlexibilityNo cancel feeOn-time63%
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