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$80+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAN
Apr 29 — May 61
Wed 4/29
Wed 5/6
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 March 30, 2026.

This WAYA deal was found by Cheapflights users on 3/25. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:55 am
ORD
-
SAN
1 stop7h 29m
Multiple Airlines
Thu 4/235:36 pm
SAN
-
ORD
Nonstop4h 07m
Multiple Airlines
Deal found 3/25$182
This Frontier deal was found by Cheapflights users on 3/26. 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.
Tue 5/1212:40 pm
ORD
-
SAN
1 stop7h 19m
Frontier
Wed 5/136:25 am
SAN
-
ORD
1 stop12h 12m
Frontier
Deal found 3/26$184
This Frontier deal was found by Cheapflights users on 3/27. 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.
Fri 5/89:42 pm
ORD
-
SAN
1 stop13h 00m
Frontier
Mon 5/116:25 am
SAN
-
ORD
1 stop12h 12m
Frontier
Deal found 3/27$185
This Expedia deal was found by Cheapflights users on 3/28. 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.
Sat 5/239:42 pm
ORD
-
SAN
1 stop13h 00m
Frontier
Mon 6/16:25 am
SAN
-
ORD
1 stop12h 12m
Frontier
Deal found 3/28$186
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:58 pm
ORD
-
SAN
1 stop18h 19m
Frontier
Tue 4/212:12 pm
SAN
-
ORD
1 stop13h 56m
Frontier
Deal found 3/26$187
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/307:50 am
ORD
-
SAN
1 stop12h 39m
Multiple Airlines
Sat 5/22:12 pm
SAN
-
ORD
1 stop13h 13m
Multiple Airlines
Deal found 3/27$188
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/79:42 pm
ORD
-
SAN
1 stop13h 00m
Frontier
Sun 5/106:25 am
SAN
-
ORD
2 stops23h 30m
Frontier
Deal found 3/27$189
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:40 pm
ORD
-
SAN
1 stop7h 19m
Multiple Airlines
Tue 5/127:03 am
SAN
-
ORD
Nonstop4h 10m
Multiple Airlines
Deal found 3/25$190
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Sat 4/188:55 am
ORD
-
SAN
1 stop7h 29m
Frontier
Sat 4/257:15 am
SAN
-
ORD
2 stops13h 24m
Frontier
Deal found 3/27$191
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Sat 4/188:55 am
ORD
-
SAN
1 stop7h 29m
Frontier
Tue 4/217:15 am
SAN
-
ORD
2 stops24h 47m
Frontier
Deal found 3/28$192
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:55 am
ORD
-
SAN
1 stop7h 29m
Frontier
Thu 4/237:59 am
SAN
-
ORD
1 stop14h 53m
Frontier
Deal found 3/25$193
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:42 pm
ORD
-
SAN
1 stop13h 00m
Frontier
Mon 6/89:37 am
SAN
-
ORD
1 stop9h 00m
Frontier
Deal found 3/26$194

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 March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$182
(WAYA)

One-way from

$80
(Priceline)

Popular in

March

Cheapest in

January

Average price

$521

Good round-trip deal

$392 or less

Good one-way deal

$259 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. 5% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 30, 2026.
Use the filters below to find and compare flights from Wisconsin to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Tue 5/5

8:50 am-11:30 am

Nonstop4h 40m

San Diego

Sat 5/9

12:53 pm-7:03 pm

Nonstop4h 10m

$237

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Sat 4/18

7:35 am-12:08 pm

1 stop6h 33m

San Diego

Sat 4/25

6:25 am-3:10 pm

1 stop6h 45m

$257

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Fri 5/1

3:52 pm-6:31 pm

Nonstop4h 39m

San Diego

Tue 5/5

7:03 am-1:13 pm

Nonstop4h 10m

$267

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Sun 5/24

9:00 am-11:37 am

Nonstop4h 37m

San Diego

Mon 6/1

5:44 pm-11:55 pm

Nonstop4h 11m

$291

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Wed 5/20

5:01 pm-10:00 pm

1 stop6h 59m

San Diego

Sun 5/24

6:15 am-4:06 pm

1 stop7h 51m

$301

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Tue 5/12

2:13 pm-8:16 pm

1 stop8h 03m

San Diego

Wed 5/13

7:00 am-1:14 pm

Nonstop4h 14m

$301

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Tue 5/12

6:00 am-1:27 pm

1 stop9h 27m

San Diego

Tue 5/19

12:34 pm-6:50 pm

Nonstop4h 16m

$301

MadisonSan Diego

MSN - SAN

MSNSAN

Madison Truax Field

Wed 7/1

9:40 am-3:25 pm

1 stop7h 45m

San Diego

Wed 7/8

2:00 pm-10:59 pm

1 stop6h 59m

$317

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Fri 5/15

4:15 pm-11:25 pm

2 stops9h 10m

San Diego

Sun 5/17

10:30 pm-9:45 am

1 stop9h 15m

$322

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Mon 4/13

4:15 pm-11:05 pm

2 stops8h 50m

San Diego

Wed 4/15

11:30 am-10:55 pm

2 stops9h 25m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 60 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Wisconsin to San Diego (average of $149). Flying from Wisconsin to San Diego in March is currently the most expensive (average of $257). 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 March 30, 2026.

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.

How much does it cost to fly round-trip from Wisconsin to San Diego?

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 popular is this Wisconsin to San Diego flight route?

    Within the past month, 3 users have taken a look at flights from Wisconsin to San Diego.

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

    For as low as $237, Alaska Airlines can have you in San Diego from Wisconsin in 4h 40m. The distance between Wisconsin and San Diego is about 1719 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 $97 while deals on American Airlines start at $123 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 $239. While the most popular route (Chicago O'Hare Intl - San Diego) can be booked for $180 on average, our data indicates $461 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, June is the cheapest month in which you can book a flight from Wisconsin to San Diego (average of $149). Flying from Wisconsin to San Diego in March is currently the most expensive (average of $257). 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

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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 March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$131Average$270FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$173Average$243FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$218Average$454FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$235Average$396FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$414FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$272Average$539FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$276Average$439FlexibilityNo cancel feeOn-time63%

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