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$82+ Cheap flights from San Diego to Milwaukee (SAN - MKE)

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MKE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Milwaukee-Mitchell are usually found in July or August, booked 73 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from San Diego to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Milwaukee (MKE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$167
(Expedia)

One-way from

$82
(FlightHub)

Popular in

January

Cheapest in

July

Average price

$446

Good round-trip deal

$418 or less
From San Diego to Milwaukee-Mitchell
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One-way flight from San Diego to Milwaukee-Mitchell
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Highest demand for flights based on searches. 14% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from San Diego to Milwaukee-Mitchell.
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Find flight deals from San Diego to Milwaukee

Cheapest flights from San Diego to Milwaukee
Explore the most affordable flight options available from San Diego to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Expedia deal was found by Cheapflights users on 6/12. 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.
Tue 7/16:15 amSAN - MKE
1 stop12h 10mSpirit Airlines
Wed 7/162:51 pmMKE - SAN
1 stop10h 15mSpirit Airlines
Deal found 6/12$167
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/209:40 pmSAN - MKE
2 stops9h 10mMultiple Airlines
Sun 7/276:24 pmMKE - SAN
2 stops30h 42mMultiple Airlines
Deal found 6/10$298
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 7/301:45 pmSAN - MKE
1 stop8h 14mAlaska Airlines
Tue 8/56:30 amMKE - SAN
1 stop8h 19mAlaska Airlines
Deal found 6/9$302
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Fri 8/2910:17 amSAN - MKE
1 stop6h 55mFrontier
Mon 9/18:02 pmMKE - SAN
1 stop5h 50mFrontier
Deal found 6/11$335
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 8/151:00 pmSAN - MKE
1 stop8h 04mAmerican Airlines
Mon 8/184:56 pmMKE - SAN
1 stop8h 27mAmerican Airlines
Deal found 6/12$341
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/152:05 pmSAN - MKE
2 stops7h 40mSouthwest
Mon 8/185:45 amMKE - SAN
1 stop8h 45mSouthwest
Deal found 6/10$346
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1610:15 pmSAN - MKE
1 stop8h 28mDelta
Sat 7/197:00 amMKE - SAN
1 stop7h 22mDelta
Deal found 6/10$357
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1410:54 amSAN - MKE
2 stops11h 05mUnited Airlines
Mon 8/185:57 pmMKE - SAN
1 stop6h 17mUnited Airlines
Deal found 6/10$392

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Milwaukee 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 June 12, 2025.
Use the filters below to find and compare flights from San Diego to Milwaukee that are best for you.

Fly from

San Diego

Fly to

Milwaukee

Route

Depart

Return

Price

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Tue 7/1

6:15 am-8:25 pm

1 stop12h 10m

Milwaukee-Mitchell

Wed 7/16

2:51 pm-11:06 pm

1 stop10h 15m

$167

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Sun 7/20

9:40 pm-8:50 am

2 stops9h 10m

Milwaukee-Mitchell

Sun 7/27

6:24 pm-11:06 pm

2 stops30h 42m

$298

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Wed 7/30

1:45 pm-11:59 pm

1 stop8h 14m

Milwaukee-Mitchell

Tue 8/5

6:30 am-12:49 pm

1 stop8h 19m

$302

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Tue 7/15

12:45 pm-10:10 pm

1 stop7h 25m

Milwaukee-Mitchell

Tue 7/22

4:55 pm-11:10 pm

1 stop8h 15m

$309

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Fri 8/29

10:17 am-7:12 pm

1 stop6h 55m

Milwaukee-Mitchell

Mon 9/1

8:02 pm-11:52 pm

1 stop5h 50m

$335

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Fri 8/15

1:00 pm-11:04 pm

1 stop8h 04m

Milwaukee-Mitchell

Mon 8/18

4:56 pm-11:23 pm

1 stop8h 27m

$341

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Wed 7/16

10:15 pm-8:43 am

1 stop8h 28m

Milwaukee-Mitchell

Sat 7/19

7:00 am-12:22 pm

1 stop7h 22m

$357

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Thu 8/14

10:54 am-11:59 pm

2 stops11h 05m

Milwaukee-Mitchell

Mon 8/18

5:57 pm-10:14 pm

1 stop6h 17m

$392

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Sun 9/7

3:10 pm-5:29 am

1 stop12h 19m

$82

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Thu 10/9

12:30 pm-6:30 pm

Nonstop4h 00m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 18 results
1
2

Best time to book a flight from San Diego to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from San Diego 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 San Diego to Milwaukee

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

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Milwaukee. Price data was last updated on June 9, 2025.

The best time to book flights from San Diego to Milwaukee is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from San Diego to Milwaukee (average of $280). Flying from San Diego to Milwaukee in June is currently the most expensive (average of $376). 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 SAN to MKE?

Find hourly flight availability from San Diego to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from San Diego to Milwaukee in the evening. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from San Diego to Milwaukee. Price data was last updated on June 8, 2025.

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

Rainfall in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Milwaukee ranges from 1.4 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. January is typically the driest time to visit Milwaukee when rainfall is around 1.4 in.

Temperature in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Milwaukee, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. 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 Milwaukee. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from San Diego to Milwaukee, such as Alaska Airlines, Southwest and Delta. 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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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 San Diego to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from San Diego to Milwaukee round-trip?

    Flying on Spirit Airlines is currently your cheapest option to Milwaukee, with prices starting at $167. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Southwest, with the lowest prices starting at $302 and $309, respectively. Spirit Airlines is currently priced 59% below the average price you’ll pay for this route.

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

    $82 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Southwest and Hawaiian Airlines, with prices starting from $139 and $141, respectively.

  • What are the cheapest flights from San Diego to Milwaukee?

    On average you can expect to pay $515 for a flight from San Diego to Milwaukee. The cheapest flight overall is $372 while the most popular route, (San Diego - Milwaukee-Mitchell) is currently priced at $212.

  • Can I find deals for flights from San Diego to Milwaukee that include hotel bookings?

    Yes. In addition to deals on San Diego to Milwaukee flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Milwaukee?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Milwaukee.

  • Can I find deals for business class flights from San Diego to Milwaukee?

    Yes. Cheapflights offers flight deals from San Diego to Milwaukee 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 San Diego to Milwaukee?

    Currently, February is the cheapest month in which you can book a flight from San Diego to Milwaukee (average of $280). Flying from San Diego to Milwaukee in June is currently the most expensive (average of $376). 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
Mequon
Sheboygan
Oak Creek
Wauwatosa

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Top 6 airlines flying from San Diego to Milwaukee

Discover the top 6 airlines that operate flights from San Diego to Milwaukee. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$119Average$250FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$151Average$253FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$176Average$374FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$358FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$256Average$455FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$367Average$461FlexibilityNo cancel feeOn-time63%

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