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$71+ Cheap flights from Milwaukee to San Diego (MKE - 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAN
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from Milwaukee-Mitchell to San Diego are usually found in July or August, booked 71 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Milwaukee to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to San Diego (SAN). 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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$219
(Booking.com)

One-way from

$71
(Cheapflightsfares)

Popular in

March

Cheapest in

July

Average price

$389
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 Milwaukee-Mitchell to San Diego
Search Deals
One-way flight from Milwaukee-Mitchell to San Diego
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Milwaukee to San Diego

Cheapest flights from Milwaukee to San Diego
Explore the most affordable flight options available from Milwaukee to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Gotogate deal was found by Cheapflights users on 4/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/287:48 pmMKE - SAN
1 stop13h 46mMultiple Airlines
Sun 5/116:25 amSAN - MKE
1 stop7h 00mMultiple Airlines
Deal found 4/14$220
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Tue 5/207:54 pmMKE - SAN
1 stop6h 02mSpirit Airlines
Sat 5/246:15 amSAN - MKE
2 stops29h 39mSpirit Airlines
Deal found 4/14$221
This Frontier deal was found by Cheapflights users on 4/15. 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 5/227:45 pmMKE - SAN
1 stop6h 14mFrontier
Thu 5/2910:50 amSAN - MKE
1 stop6h 10mFrontier
Deal found 4/15$270
This Delta deal was found by Cheapflights users on 4/14. 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 5/2110:23 amMKE - SAN
1 stop7h 23mDelta
Tue 5/2710:30 pmSAN - MKE
1 stop8h 53mDelta
Deal found 4/14$305
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/216:18 amMKE - SAN
2 stops12h 50mAlaska Airlines
Wed 5/286:15 amSAN - MKE
2 stops15h 44mAlaska Airlines
Deal found 4/15$312
This American Airlines deal was found by Cheapflights users on 4/14. 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.
Sat 5/105:25 pmMKE - SAN
1 stop6h 28mAmerican Airlines
Wed 5/141:48 pmSAN - MKE
1 stop8h 10mAmerican Airlines
Deal found 4/14$320
This Southwest deal was found by Cheapflights users on 4/14. 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.
Tue 7/17:00 amMKE - SAN
1 stop7h 15mSouthwest
Sat 7/510:20 amSAN - MKE
2 stops11h 05mSouthwest
Deal found 4/14$380
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Sat 8/2312:05 pmMKE - SAN
1 stop8h 15mUnited Airlines
Thu 8/2811:20 amSAN - MKE
1 stop7h 28mUnited Airlines
Deal found 4/14$435

Cheapflights Fare Finder

Customize your flight search to find flights from Milwaukee 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 April 15, 2025.
Use the filters below to find and compare flights from Milwaukee to San Diego that are best for you.

Fly from

Milwaukee

Fly to

San Diego

Route

Depart

Return

Price

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Mon 4/28

7:48 pm-7:34 am

1 stop13h 46m

San Diego

Sun 5/11

6:25 am-3:25 pm

1 stop7h 00m

$220

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Tue 5/20

7:54 pm-11:56 pm

1 stop6h 02m

San Diego

Sat 5/24

6:15 am-1:54 pm

2 stops29h 39m

$221

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Thu 5/22

7:45 pm-11:59 pm

1 stop6h 14m

San Diego

Thu 5/29

10:50 am-7:00 pm

1 stop6h 10m

$270

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Wed 5/21

10:23 am-3:46 pm

1 stop7h 23m

San Diego

Tue 5/27

10:30 pm-9:23 am

1 stop8h 53m

$305

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Tue 5/6

3:06 pm-10:44 pm

1 stop9h 38m

San Diego

Sat 5/10

4:20 pm-2:06 pm

2 stops19h 46m

$309

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Sat 5/10

5:25 pm-9:53 pm

1 stop6h 28m

San Diego

Wed 5/14

1:48 pm-11:58 pm

1 stop8h 10m

$320

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Tue 7/1

7:00 am-12:15 pm

1 stop7h 15m

San Diego

Sat 7/5

10:20 am-11:25 pm

2 stops11h 05m

$380

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Sat 8/23

12:05 pm-6:20 pm

1 stop8h 15m

San Diego

Thu 8/28

11:20 am-8:48 pm

1 stop7h 28m

$435

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Tue 5/20

7:54 pm-11:56 pm

1 stop6h 02m

$71

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Thu 5/15

3:48 pm-7:54 pm

1 stop6h 06m

$98

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 17 results
1
2

Compare providers for flights from Milwaukee to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Milwaukee to San Diego in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
FareScanPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Milwaukee-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Milwaukee-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Milwaukee-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Milwaukee-San Diego flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Milwaukee-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Milwaukee to San Diego

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

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

Use this chart to determine the optimal time to book a round-trip flight from Milwaukee to San Diego. Price data was last updated on April 11, 2025.

The price you pay for your flight from Milwaukee to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 71 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Milwaukee to San Diego (average of $286). Flying from Milwaukee 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 MKE to SAN?

Find hourly flight availability from Milwaukee 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 April 15, 2025.

When flying from Milwaukee to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 41% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Milwaukee to San Diego. Price data was last updated on December 16, 2024.

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

Rainfall in San Diego by month

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

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

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

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 April 15, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Milwaukee to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,373 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,656 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Milwaukee 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 are the cheapest airlines flying from Milwaukee to San Diego round-trip?

    Spirit Airlines, at $221, was found to be the cheapest airline from Milwaukee to San Diego.Alternate airlines to your destination round-trip include Frontier and Alaska Airlines. Spirit Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $71. Users have also found prices from $98 and $152 on Frontier and Alaska Airlines, respectively.

  • Where are the most common layover locations when flying from Milwaukee to San Diego?

    Most of the time, Milwaukee to San Diego flights that have layovers will stop in Denver.

  • What are some popular things to do or see while on a layover in Denver?

    If you're on a layover in Denver and looking for things to do, consider visiting Coors Field, Paramount Theatre, or 16th Street Mall. Coors Field, Paramount Theatre, and 16th Street Mall can be visited by traveling about 18.4 mi, 18.6 mi, and 18.7 mi respectively from Denver Intl. Those looking to explore during their layover in Denver can rent a car from Denver Intl for about $43 per day.

  • Where are the least popular layover locations for Milwaukee to San Diego flights?

    Of the flights from Milwaukee to San Diego that have layovers, the fewest flights stop in Minneapolis.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Milwaukee to San Diego (average of $286). Flying from Milwaukee 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 Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Top 6 airlines flying from Milwaukee to San Diego

Discover the top 6 airlines that operate flights from Milwaukee 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$109Average$183FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$161Average$248FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$198Average$376FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$227Average$401FlexibilityNo cancel feeOn-time69%
DeltaCheapest$232Average$336FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$336Average$452FlexibilityNo cancel feeOn-time63%

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