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$94+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAN
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
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 July 28, 2026.

This Expedia deal was found by Cheapflights users on 7/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:44 pm
MKE
-
SAN
1 stop8h 47m
Alaska Airlines
Wed 11/117:38 pm
SAN
-
MKE
1 stop18h 10m
Alaska Airlines
Deal found 7/26$187
This Frontier deal was found by Cheapflights users on 7/23. 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.
Thu 8/207:55 pm
MSN
-
SAN
1 stop15h 10m
Frontier
Sat 8/293:45 pm
SAN
-
MSN
1 stop25h 25m
Frontier
Deal found 7/23$240
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:44 pm
MKE
-
SAN
1 stop8h 47m
Alaska Airlines
Mon 12/77:00 am
SAN
-
MKE
1 stop28h 52m
Alaska Airlines
Deal found 7/27$242
This CheapOair deal was found by Cheapflights users on 7/25. 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.
Thu 9/248:00 pm
MSN
-
SAN
1 stop5h 51m
Frontier
Sat 9/264:54 pm
SAN
-
MSN
1 stop24h 21m
Frontier
Deal found 7/25$251
This Frontier deal was found by Cheapflights users on 7/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:54 pm
MSN
-
SAN
1 stop6h 05m
Frontier
Wed 10/216:25 am
SAN
-
MSN
1 stop10h 22m
Frontier
Deal found 7/24$255
This CheapOair deal was found by Cheapflights users on 7/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:54 pm
MSN
-
SAN
1 stop21h 47m
Frontier
Sun 10/188:32 pm
SAN
-
MSN
1 stop20h 15m
Frontier
Deal found 7/27$265
This Super.com deal was found by Cheapflights users on 7/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:20 am
ORD
-
SAN
1 stop8h 21m
Frontier
Sun 8/236:25 am
SAN
-
ORD
1 stop29h 11m
Frontier
Deal found 7/27$267
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Fri 8/282:41 pm
ORD
-
SAN
1 stop20h 24m
Frontier
Mon 8/318:59 pm
SAN
-
ORD
2 stops14h 37m
Frontier
Deal found 7/27$268
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/2010:36 pm
MSP
-
SAN
2 stops18h 14m
Frontier
Tue 8/256:25 am
SAN
-
MSP
1 stop12h 37m
Frontier
Deal found 7/26$269
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 11/910:40 pm
ORD
-
SAN
1 stop19h 01m
Multiple Airlines
Wed 11/1112:39 pm
SAN
-
ORD
Nonstop4h 21m
Multiple Airlines
Deal found 7/27$269
This Orbitz deal was found by Cheapflights users on 7/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:00 am
MSP
-
SAN
1 stop10h 58m
Multiple Airlines
Sun 10/46:00 pm
SAN
-
MSP
Nonstop3h 33m
Multiple Airlines
Deal found 7/26$270
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Fri 8/219:20 am
ORD
-
SAN
1 stop8h 21m
Multiple Airlines
Tue 8/257:03 am
SAN
-
ORD
Nonstop4h 19m
Multiple Airlines
Deal found 7/27$270

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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$187
(Expedia)

One-way from

$94
(Alaska Airlines)

Popular in

March

Cheapest in

January

Average price

$461

Good round-trip deal

$358 or less

Good one-way deal

$238 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. 7% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 28, 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

Wed 8/19

11:22 am-6:14 pm

1 stop8h 52m

San Diego

Sat 8/22

10:17 pm-7:56 am

1 stop7h 39m

$269

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Thu 11/12

7:56 pm-10:41 pm

Nonstop4h 45m

San Diego

Sun 11/15

7:02 am-1:23 pm

Nonstop4h 21m

$277

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Sat 9/5

3:25 pm-11:00 pm

1 stop9h 35m

San Diego

Tue 9/8

2:00 pm-11:59 pm

1 stop7h 59m

$277

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Thu 10/22

1:55 pm-10:12 pm

1 stop10h 17m

San Diego

Mon 10/26

12:00 pm-9:36 pm

1 stop7h 36m

$277

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Thu 11/5

9:30 am-3:04 pm

1 stop7h 34m

San Diego

Wed 11/11

6:15 am-2:55 pm

1 stop6h 40m

$277

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Thu 9/3

6:59 am-2:10 pm

1 stop9h 11m

San Diego

Tue 9/8

2:00 pm-11:59 pm

1 stop7h 59m

$277

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Sat 9/26

6:00 am-2:42 pm

1 stop10h 42m

San Diego

Tue 9/29

7:03 am-1:22 pm

Nonstop4h 19m

$284

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Fri 10/9

8:16 pm-10:41 pm

Nonstop4h 25m

San Diego

Tue 10/13

6:40 am-1:01 pm

Nonstop4h 21m

$287

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Thu 10/15

7:00 am-11:35 am

1 stop6h 35m

San Diego

Sun 10/18

10:30 pm-4:33 am

Nonstop4h 03m

$297

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Thu 8/27

6:01 am-8:32 am

Nonstop4h 31m

San Diego

Mon 8/31

8:33 pm-12:07 pm

1 stop13h 34m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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, August is the cheapest month in which you can book a flight from Wisconsin to San Diego (average of $373). Flying from Wisconsin to San Diego in March is currently the most expensive (average of $535). 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 July 28, 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?

Airfare is below average for this route at the moment.
Wisconsin to San Diego flights typically cost between $311 and $395 in November.
The cheapest round-trip price found within the last 5 days was $187 on Alaska Airlines (Nov 4-Nov 11).

How far ahead should I book a flight from Wisconsin to San Diego?

Booking 47 days in advance of your planned departure date is, on average, the best time to get cheap flights from Wisconsin to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $277, Delta can have you in San Diego from Wisconsin in 4h 45m. 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 Frontier, which is currently one of the cheapest options available, starting at $104. Delta flights start at $121 while deals on United Airlines start at $128 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 $161. While the most popular route (Chicago O'Hare Intl - San Diego) can be booked for $199 on average, our data indicates $398 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 $373). Flying from Wisconsin to San Diego in March is currently the most expensive (average of $535). 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
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$93Average$528FlexibilityNo cancel feeOn-time75%
FrontierCheapest$135Average$336FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$235Average$393FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$236Average$456FlexibilityNo cancel feeOn-time71%
DeltaCheapest$242Average$408FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$276Average$423FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$286Average$303FlexibilityNo cancel feeOn-time62%

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