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$79+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAN
ene. 26 — feb. 21
lun. 1/26
lun. 2/2
1 adult, Economy
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Cheap 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 diciembre 27, 2025.

This Frontier deal was found by Cheapflights users on 12/26. 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.
mié. 12/317:34 pmMSP - SAN
1 stop6h 25mFrontier
mié. 1/73:29 pmSAN - MSP
1 stop5h 15mFrontier
Deal found 12/26$353
This Frontier deal was found by Cheapflights users on 12/26. 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.
lun. 12/297:25 amORD - SAN
1 stop13h 01mFrontier
jue. 1/86:36 amSAN - ORD
1 stop10h 09mFrontier
Deal found 12/26$353
This Frontier deal was found by Cheapflights users on 12/26. 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.
lun. 12/297:25 amORD - SAN
1 stop13h 01mFrontier
dom. 1/116:36 amSAN - ORD
1 stop12h 21mFrontier
Deal found 12/26$367
This CheapOair deal was found by Cheapflights users on 12/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/317:00 amORD - SAN
1 stop18h 59mFrontier
mié. 1/73:29 pmSAN - ORD
1 stop25h 16mFrontier
Deal found 12/25$384
This Mytrip deal was found by Cheapflights users on 12/24. 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.
jue. 12/253:24 pmMSP - SAN
Nonstop3h 50mSun Country Air
mié. 12/315:44 pmSAN - MSP
Nonstop3h 44mSun Country Air
Deal found 12/24$398
This Frontier deal was found by Cheapflights users on 12/26. 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.
mié. 12/317:34 pmMSP - SAN
1 stop6h 25mFrontier
lun. 1/56:25 amSAN - MSP
1 stop12h 26mFrontier
Deal found 12/26$403
This Frontier deal was found by Cheapflights users on 12/26. 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.
sáb. 12/276:17 pmORD - SAN
1 stop7h 38mFrontier
jue. 1/86:36 amSAN - ORD
1 stop10h 09mFrontier
Deal found 12/26$403
This Frontier deal was found by Cheapflights users on 12/26. 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.
mié. 12/317:34 pmMSP - SAN
1 stop6h 25mFrontier
mar. 1/63:29 pmSAN - MSP
1 stop5h 15mFrontier
Deal found 12/26$407
This Frontier deal was found by Cheapflights users on 12/26. 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.
sáb. 12/276:17 pmORD - SAN
1 stop7h 38mFrontier
dom. 1/116:36 amSAN - ORD
1 stop12h 21mFrontier
Deal found 12/26$417
This Delta deal was found by Cheapflights users on 12/25. 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.
jue. 12/2511:11 amGRB - SAN
1 stop9h 30mDelta
vie. 1/26:15 amSAN - GRB
1 stop7h 34mDelta
Deal found 12/25$419
This Frontier deal was found by Cheapflights users on 12/26. 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.
mié. 12/317:34 pmMSP - SAN
1 stop6h 25mFrontier
dom. 1/46:25 amSAN - MSP
1 stop12h 50mFrontier
Deal found 12/26$432
This United Airlines deal was found by Cheapflights users on 12/24. 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.
sáb. 12/278:15 pmORD - SAN
Nonstop4h 36mUnited Airlines
mié. 12/3110:30 pmSAN - ORD
Nonstop4h 08mUnited Airlines
Deal found 12/24$432

Find 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 diciembre 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$160
(WAYA)

One-way from

$79
(Alaska Airlines)

Popular in

June

Cheapest in

May

Average price

$463

Good round-trip deal

$390 or less

Good one-way deal

$298 or less
Provider with most accurate pricing for Milwaukee-Mitchell-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-San Diego flights.
Search Deals
From Wisconsin to San Diego
Search Deals
One-way flight from Wisconsin to San Diego
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Wisconsin to San Diego.
Search Deals
Price to beat on a one-way flight from Wisconsin to San Diego.
Search Deals

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 diciembre 27, 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

sáb. 1/24

2:40 pm-8:49 pm

1 stop8h 09m

San Diego

sáb. 1/31

2:11 pm-8:25 pm

Nonstop4h 14m

$163

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

sáb. 2/14

3:07 pm-5:52 pm

Nonstop4h 45m

San Diego

lun. 2/23

5:42 pm-11:59 pm

Nonstop4h 17m

$167

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

mar. 3/3

7:59 pm-10:44 pm

Nonstop4h 45m

San Diego

dom. 3/8

10:30 pm-4:29 am

Nonstop3h 59m

$167

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

mar. 3/3

3:07 pm-5:52 pm

Nonstop4h 45m

San Diego

dom. 3/8

5:42 pm-11:59 pm

Nonstop4h 17m

$167

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

jue. 1/29

3:44 pm-6:26 pm

Nonstop4h 42m

San Diego

sáb. 2/7

8:00 am-2:29 pm

Nonstop4h 29m

$167

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

vie. 2/6

7:10 am-9:40 am

Nonstop4h 30m

San Diego

vie. 2/6

4:47 pm-10:59 pm

Nonstop4h 12m

$177

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

jue. 1/22

3:44 pm-6:26 pm

Nonstop4h 42m

San Diego

jue. 1/29

5:10 pm-11:37 pm

Nonstop4h 27m

$177

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

lun. 2/23

3:07 pm-5:52 pm

Nonstop4h 45m

San Diego

jue. 2/26

8:35 am-2:58 pm

Nonstop4h 23m

$177

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

jue. 3/5

3:07 pm-5:52 pm

Nonstop4h 45m

San Diego

dom. 3/8

5:42 pm-11:59 pm

Nonstop4h 17m

$177

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

sáb. 1/17

2:40 pm-8:49 pm

1 stop8h 09m

San Diego

mar. 1/20

7:00 am-1:13 pm

Nonstop4h 13m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

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, August is the cheapest month in which you can book a flight from Wisconsin to San Diego (average of $168). Flying from Wisconsin to San Diego in December is currently the most expensive (average of $256). 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 diciembre 27, 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.

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 03m. The distance between Wisconsin and San Diego is about 1530 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $79. Frontier flights start at $82 while deals on American Airlines start at $114 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 $174. While the most popular route (Chicago O'Hare Intl - San Diego) can be booked for $147 on average, our data indicates $583 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 $168). Flying from Wisconsin to San Diego in December is currently the most expensive (average of $256). 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

Browse thousands of different options on Cheapflights for your next trip

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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 7 airlines flying from Wisconsin to San Diego

Discover the top 7 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 diciembre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$121Average$263FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$173Average$262FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$216Average$469FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$235Average$418FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$407FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$276Average$438FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$372Average$691FlexibilityNo cancel feeOn-time75%

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