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San Diego

$68+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$157
(Booking.com)

One-way from

$68
(CheapOair)

Popular in

June

Cheapest in

August

Average price

$412

Good round-trip deal

$355 or less
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. 1% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Booking.com deal was found by Cheapflights users on 7/2. 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.
Wed 7/162:51 pmMKE - SAN
1 stop10h 15mSpirit Airlines
Thu 7/179:40 pmSAN - MKE
1 stop14h 16mSpirit Airlines
Deal found 7/2$157
This FlightHub deal was found by Cheapflights users on 7/2. 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.
Wed 10/19:00 amORD - SAN
1 stop11h 10mSpirit Airlines
Tue 10/71:32 pmSAN - ORD
1 stop13h 14mSpirit Airlines
Deal found 7/2$164
This FlightHub deal was found by Cheapflights users on 7/2. 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.
Fri 7/251:39 pmORD - SAN
Nonstop4h 20mMultiple Airlines
Tue 7/296:15 amSAN - ORD
1 stop5h 58mMultiple Airlines
Deal found 7/2$165
This Cheapflightsfares deal was found by Cheapflights users on 7/3. 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 8/11:39 pmORD - SAN
Nonstop4h 20mFrontier
Mon 8/44:44 pmSAN - ORD
Nonstop4h 23mFrontier
Deal found 7/3$166
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 8/207:35 pmORD - SAN
Nonstop4h 27mUnited Airlines
Fri 8/222:11 pmSAN - ORD
Nonstop4h 14mUnited Airlines
Deal found 7/2$184
This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/127:56 pmMSN - SAN
1 stop5h 54mFrontier
Thu 10/166:25 amSAN - MSN
1 stop10h 31mFrontier
Deal found 7/2$185
This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/17:58 pmMKE - SAN
1 stop5h 54mFrontier
Mon 8/46:25 amSAN - MKE
1 stop10h 48mFrontier
Deal found 7/2$187
This Priceline deal was found by Cheapflights users on 7/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/312:42 pmMSP - SAN
Nonstop3h 43mMultiple Airlines
Thu 8/76:25 amSAN - MSP
1 stop7h 04mMultiple Airlines
Deal found 7/1$192
This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:38 pmMSP - SAN
1 stop5h 15mFrontier
Sun 9/1410:20 amSAN - MSP
1 stop7h 11mFrontier
Deal found 7/2$194
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 11/132:00 pmORD - SAN
1 stop8h 40mAlaska Airlines
Sat 11/155:49 pmSAN - ORD
Nonstop4h 10mAlaska Airlines
Deal found 7/3$194
This American Airlines deal was found by Cheapflights users on 7/3. 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 8/2111:50 amORD - SAN
Nonstop4h 17mAmerican Airlines
Mon 8/252:57 pmSAN - ORD
Nonstop4h 17mAmerican Airlines
Deal found 7/3$197
This Sun Country Air deal was found by Cheapflights users on 7/3. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:06 amMSP - SAN
Nonstop3h 44mSun Country Air
Fri 9/195:54 pmSAN - MSP
Nonstop3h 40mSun Country Air
Deal found 7/3$198

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 3, 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

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Wed 7/16

2:51 pm-11:06 pm

1 stop10h 15m

San Diego

Thu 7/17

9:40 pm-1:56 pm

1 stop14h 16m

$157

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Wed 10/1

9:00 am-6:10 pm

1 stop11h 10m

San Diego

Tue 10/7

1:32 pm-4:46 am

1 stop13h 14m

$164

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Fri 7/25

9:56 pm-6:19 pm

1 stop22h 23m

San Diego

Tue 7/29

3:57 pm-6:03 am

1 stop12h 06m

$165

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Fri 8/1

1:39 pm-3:59 pm

Nonstop4h 20m

San Diego

Mon 8/4

4:44 pm-11:07 pm

Nonstop4h 23m

$166

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Wed 8/20

7:35 pm-10:02 pm

Nonstop4h 27m

San Diego

Fri 8/22

2:11 pm-8:25 pm

Nonstop4h 14m

$184

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Fri 8/1

7:58 pm-11:52 pm

1 stop5h 54m

San Diego

Mon 8/4

6:25 am-7:13 pm

1 stop10h 48m

$187

MinneapolisSan Diego

MSP - SAN

MSPSAN

Minneapolis St Paul

Thu 7/31

2:42 pm-4:25 pm

Nonstop3h 43m

San Diego

Thu 8/7

6:25 am-3:29 pm

1 stop7h 04m

$192

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Thu 11/13

2:00 pm-8:40 pm

1 stop8h 40m

San Diego

Sat 11/15

5:49 pm-11:59 pm

Nonstop4h 10m

$194

MinneapolisSan Diego

MSP - SAN

MSPSAN

Minneapolis St Paul

Fri 9/12

8:38 pm-11:53 pm

1 stop5h 15m

San Diego

Sun 9/14

10:20 am-7:31 pm

1 stop7h 11m

$194

ChicagoSan Diego

ORD - SAN

ORDSAN

Chicago O'Hare Intl

Thu 8/21

11:50 am-2:07 pm

Nonstop4h 17m

San Diego

Mon 8/25

2:57 pm-9:14 pm

Nonstop4h 17m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 $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 July 3, 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.

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 July 3, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Wisconsin to San Diego have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Spirit Airlines, which is currently one of the cheapest options available, starting at $68. Frontier flights start at $76 while deals on United Airlines start at $86 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 $313. While the most popular route (Chicago O'Hare Intl - San Diego) can be booked for $117 on average our data indicates $433 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
Coronado
National City
Lemon Grove
Imperial Beach
La Mesa
Poway
Alpine
Santee

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$112Average$241FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$161Average$258FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$215Average$455FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$480FlexibilityNo cancel feeOn-time69%
DeltaCheapest$236Average$457FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$339Average$451FlexibilityNo cancel feeOn-time63%

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