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$56+ 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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAN
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$160
(Kiwi.com)

One-way from

$56
(Kiwi.com)

Popular in

June

Cheapest in

May

Average price

$358

Good round-trip deal

$451 or less

Good one-way deal

$190 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
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Wisconsin to San Diego.
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Price to beat on a one-way 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 November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Mon 12/82:26 pmORD - SAN
2 stops34h 20mFrontier
Mon 12/156:34 amSAN - ORD
1 stop15h 38mFrontier
Deal found 11/10$160
This Trip.com deal was found by Cheapflights users on 11/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:00 amORD - SAN
1 stop18h 59mFrontier
Sun 12/216:25 amSAN - ORD
1 stop15h 47mFrontier
Deal found 11/11$161
This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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.
Sun 12/73:05 pmORD - SAN
Nonstop4h 28mAlaska Airlines
Sat 12/138:00 amSAN - ORD
Nonstop4h 09mAlaska Airlines
Deal found 11/11$163
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Tue 12/97:20 amORD - SAN
2 stops17h 26mMultiple Airlines
Thu 12/113:47 pmSAN - ORD
1 stop17h 55mMultiple Airlines
Deal found 11/11$164
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 12/118:55 amORD - SAN
Nonstop4h 27mAlaska Airlines
Tue 12/161:45 pmSAN - ORD
Nonstop4h 09mAlaska Airlines
Deal found 11/11$165
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Thu 12/49:53 pmORD - SAN
1 stop18h 17mFrontier
Thu 12/116:34 amSAN - ORD
1 stop15h 38mFrontier
Deal found 11/11$166
This Alaska Airlines deal was found by Cheapflights users on 11/12. 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.
Fri 12/58:55 amORD - SAN
Nonstop4h 27mAlaska Airlines
Tue 12/95:53 pmSAN - ORD
Nonstop3h 57mAlaska Airlines
Deal found 11/12$167
This Expedia deal was found by Cheapflights users on 11/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:24 pmORD - SAN
1 stop10h 35mMultiple Airlines
Sun 12/78:00 amSAN - ORD
Nonstop4h 09mMultiple Airlines
Deal found 11/11$168
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Tue 12/97:10 amORD - SAN
Nonstop4h 30mUnited Airlines
Tue 12/161:05 pmSAN - ORD
1 stop8h 05mUnited Airlines
Deal found 11/11$169
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Wed 12/178:15 amORD - SAN
Nonstop4h 33mAmerican Airlines
Sun 1/116:20 amSAN - ORD
Nonstop4h 09mAmerican Airlines
Deal found 11/12$170
This Expedia deal was found by Cheapflights users on 11/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/113:05 pmORD - SAN
Nonstop4h 28mMultiple Airlines
Thu 12/186:25 amSAN - ORD
1 stop10h 27mMultiple Airlines
Deal found 11/12$171
This Expedia deal was found by Cheapflights users on 11/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:24 pmORD - SAN
1 stop10h 35mMultiple Airlines
Mon 12/158:00 amSAN - ORD
Nonstop4h 09mMultiple Airlines
Deal found 11/12$172

Cheapflights Fare Finder

 
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 November 13, 2025.
Use the filters below to find and compare flights from Wisconsin to San Diego that are best for you.

Fly from

Wisconsin

Fly to

San Diego

Route

Depart

Return

Price

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Thu 1/29

9:05 am-11:48 am

Nonstop4h 43m

San Diego

Sat 2/7

10:52 am-5:05 pm

Nonstop4h 13m

$167

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Wed 1/21

9:05 am-11:48 am

Nonstop4h 43m

San Diego

Sun 1/25

2:11 pm-8:25 pm

Nonstop4h 14m

$167

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Wed 1/7

2:40 pm-8:49 pm

1 stop8h 09m

San Diego

Fri 1/16

2:11 pm-8:25 pm

Nonstop4h 14m

$173

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Sat 12/20

8:58 pm-11:44 pm

Nonstop4h 46m

San Diego

Thu 12/25

1:30 pm-8:02 pm

Nonstop4h 32m

$175

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Thu 12/4

7:10 am-9:40 am

Nonstop4h 30m

San Diego

Sun 12/7

5:08 pm-11:15 pm

Nonstop4h 07m

$177

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Fri 12/12

4:25 pm-10:10 pm

1 stop7h 45m

San Diego

Tue 12/16

2:50 pm-10:35 pm

1 stop5h 45m

$184

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Sat 1/17

3:44 pm-6:26 pm

Nonstop4h 42m

San Diego

Wed 1/21

6:03 pm-1:10 pm

1 stop17h 07m

$195

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Wed 2/11

8:00 am-5:20 pm

1 stop11h 20m

San Diego

Wed 2/18

8:35 am-2:58 pm

Nonstop4h 23m

$195

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Wed 1/7

9:00 am-11:43 am

Nonstop4h 43m

San Diego

Tue 1/13

9:37 am-11:50 pm

1 stop12h 13m

$197

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Sat 12/6

6:37 pm-12:15 am

1 stop7h 38m

San Diego

Wed 12/10

5:08 pm-11:15 pm

Nonstop4h 07m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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.

Cheapflights Insights

Everything you need to know about your flight from Wisconsin to San Diego

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

Currently, December is the cheapest month in which you can book a flight from Wisconsin to San Diego (average of $164). Flying from Wisconsin to San Diego in January is currently the most expensive (average of $238). 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 November 13, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 24% on flights from Wisconsin to San Diego by exploring options for tickets in the evening.

What is the cheapest day to fly from Wisconsin to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Wisconsin to San Diego. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Wisconsin to San Diego flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

  • How long is the flight from Wisconsin to San Diego?

    For as low as $239, United Airlines can have you in San Diego from Wisconsin in 4h. The distance between Wisconsin and San Diego is about 1530 mi. All flights are typically nonstop.

  • 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 $65. Alaska Airlines flights start at $77 while deals on United Airlines start at $77 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 $180. While the most popular route (Chicago O'Hare Intl - San Diego) can be booked for $134 on average, our data indicates $356 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, December is the cheapest month in which you can book a flight from Wisconsin to San Diego (average of $164). Flying from Wisconsin to San Diego in January is currently the most expensive (average of $238). 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
National City

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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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$121Average$270FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$162Average$257FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$229Average$467FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$235Average$447FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$413FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$276Average$441FlexibilityNo cancel feeOn-time63%

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