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Cheap flights from San Diego to Milwaukee from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Milwaukee departing on 12/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Diego to Milwaukee

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:30 am - 3:00 pm
SAN
-
MKE
6h 30m1 stop
United Airlines Logo
5:00 am - 9:40 am
MKE
-
SAN
6h 40m1 stop
$272United Airlines
Mon, Jan 5 - Thu, Jan 15
United Airlines Logo
7:00 am - 3:43 pm
SAN
-
MKE
6h 43m1 stop
United Airlines Logo
4:05 pm - 8:42 pm
MKE
-
SAN
6h 37m1 stop
$277United Airlines
Sun, Feb 1 - Mon, Feb 9
United Airlines Logo
6:30 am - 5:07 pm
SAN
-
MKE
8h 37m2 stops
United Airlines Logo
5:00 am - 9:40 am
MKE
-
SAN
6h 40m1 stop
$282United Airlines
Mon, Jan 5 - Thu, Jan 15
American Airlines Logo
6:15 am - 2:08 pm
SAN
-
MKE
5h 53m1 stop
American Airlines Logo
3:53 pm - 10:50 pm
MKE
-
SAN
8h 57m1 stop
$298American Airlines
Thu, Jan 1 - Wed, Jan 7
Southwest Logo
3:20 pm - 11:35 pm
SAN
-
MKE
6h 15m1 stop
Southwest Logo
11:50 am - 7:35 pm
MKE
-
SAN
9h 45m2 stops
$302Southwest
Thu, Feb 12 - Tue, Feb 17
Alaska Airlines Logo
8:42 pm - 2:57 pm
SAN
-
MKE
16h 15m1 stop
Alaska Airlines Logo
3:53 pm - 3:29 pm
MKE
-
SAN
25h 36m1 stop
$304Alaska Airlines
Thu, Jan 22 - Mon, Jan 26
Southwest Logo
6:45 am - 5:30 pm
SAN
-
MKE
8h 45m2 stops
Southwest Logo
11:50 am - 7:35 pm
MKE
-
SAN
9h 45m2 stops
$308Southwest
Sun, Feb 1 - Mon, Feb 9
Delta Logo
10:30 pm - 9:33 am
SAN
-
MKE
9h 03m1 stop
Delta Logo
10:15 am - 5:39 pm
MKE
-
SAN
9h 24m1 stop
$338Delta
Wed, Dec 31 - Mon, Jan 5
United Airlines Logo
10:40 pm - 10:46 am
SAN
-
MKE
10h 06m1 stop
United Airlines Logo
3:20 pm - 11:42 pm
MKE
-
SAN
10h 22m2 stops
$372United Airlines
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
11:08 am - 10:56 pm
SAN
-
MKE
9h 48m2 stops
United Airlines Logo
3:20 pm - 11:42 pm
MKE
-
SAN
10h 22m2 stops
$377United Airlines
Thu, Jan 22 - Mon, Jan 26

United Airlines flights from San Diego to Milwaukee

Our best United Airlines deals on San Diego to Milwaukee flight tickets
United Airlines
Jan 5
SAN6:30 amSan Diego
6h 30m
1 stop
MKE3:00 pmMilwaukee-Mitchell
Jan 15
MKE5:00 amMilwaukee-Mitchell
6h 40m
1 stop
SAN9:40 amSan Diego
$272
Find similar
United Airlines
Feb 1
SAN7:00 amSan Diego
6h 43m
1 stop
MKE3:43 pmMilwaukee-Mitchell
Feb 9
MKE4:05 pmMilwaukee-Mitchell
6h 37m
1 stop
SAN8:42 pmSan Diego
$277
Find similar
United Airlines
Jan 5
SAN6:30 amSan Diego
8h 37m
2 stops
MKE5:07 pmMilwaukee-Mitchell
Jan 15
MKE5:00 amMilwaukee-Mitchell
6h 40m
1 stop
SAN9:40 amSan Diego
$282
Find similar

American Airlines flights from San Diego to Milwaukee

Our best American Airlines deals on San Diego to Milwaukee flight tickets
American Airlines
Jan 1
SAN6:15 amSan Diego
5h 53m
1 stop
MKE2:08 pmMilwaukee-Mitchell
Jan 7
MKE3:53 pmMilwaukee-Mitchell
8h 57m
1 stop
SAN10:50 pmSan Diego
$298
Find similar
American Airlines
Dec 31
SAN1:13 pmSan Diego
7h 47m
1 stop
MKE11:00 pmMilwaukee-Mitchell
Jan 5
MKE7:45 amMilwaukee-Mitchell
6h 38m
1 stop
SAN12:23 pmSan Diego
$415
Find similar
American Airlines
Dec 15
SAN6:30 amSan Diego
5h 56m
1 stop
MKE2:26 pmMilwaukee-Mitchell
Dec 17
MKE3:23 pmMilwaukee-Mitchell
6h 53m
1 stop
SAN8:16 pmSan Diego
$499
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from San Diego to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Mon 1/5

6:30 am-3:00 pm

1 stop6h 30m

Milwaukee-Mitchell

Thu 1/15

5:00 am-9:40 am

1 stop6h 40m

$272

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Sun 2/1

7:00 am-3:43 pm

1 stop6h 43m

Milwaukee-Mitchell

Mon 2/9

4:05 pm-8:42 pm

1 stop6h 37m

$277

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Mon 1/5

6:30 am-5:07 pm

2 stops8h 37m

Milwaukee-Mitchell

Thu 1/15

5:00 am-9:40 am

1 stop6h 40m

$282

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Thu 1/1

6:15 am-2:08 pm

1 stop5h 53m

Milwaukee-Mitchell

Wed 1/7

3:53 pm-10:50 pm

1 stop8h 57m

$298

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Thu 2/12

3:20 pm-11:35 pm

1 stop6h 15m

Milwaukee-Mitchell

Tue 2/17

11:50 am-7:35 pm

2 stops9h 45m

$302

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Thu 1/22

8:42 pm-2:57 pm

1 stop16h 15m

Milwaukee-Mitchell

Mon 1/26

3:53 pm-3:29 pm

1 stop25h 36m

$304

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Sun 2/1

6:45 am-5:30 pm

2 stops8h 45m

Milwaukee-Mitchell

Mon 2/9

11:50 am-7:35 pm

2 stops9h 45m

$308

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Wed 12/31

10:30 pm-9:33 am

1 stop9h 03m

Milwaukee-Mitchell

Mon 1/5

10:15 am-5:39 pm

1 stop9h 24m

$338

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Thu 1/22

10:40 pm-10:46 am

1 stop10h 06m

Milwaukee-Mitchell

Mon 1/26

3:20 pm-11:42 pm

2 stops10h 22m

$372

San DiegoMilwaukee

SAN - MKE

SANMKE

San Diego

Thu 1/22

11:08 am-10:56 pm

2 stops9h 48m

Milwaukee-Mitchell

Mon 1/26

3:20 pm-11:42 pm

2 stops10h 22m

$377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Milwaukee from

How to get the cheapest flight ticket from San Diego to Milwaukee

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Milwaukee?

The cheapest month to fly to Milwaukee from San Diego is in September. Flight prices, which tend to average around $309, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Milwaukee, with average flight prices from San Diego averaging around $325.

What is the cheapest day to depart on your flight to Milwaukee?

According to our data, Friday is the cheapest day to fly to Milwaukee from San Diego. The lowest ticket price found for a Friday departure recently was $366. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from San Diego to Milwaukee on a Saturday will generally be more expensive and average around $497. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Milwaukee?

In the evening is the cheapest time of day to fly from San Diego to Milwaukee when you can find flight prices for as low as $267. Flying to Milwaukee in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Milwaukee, so prices are often more expensive at around $618 per ticket.

What is the cheapest San Diego to Milwaukee-Mitchell flight route?

Fly from San Diego to Milwaukee-Mitchell for the best San Diego - Milwaukee-Mitchell flight prices

How far in advance should I book a flight to Milwaukee?

You are more likely to see cheaper flights to Milwaukee from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Milwaukee for around $412 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Milwaukee from San Diego for as low as $325 on momondo.

What cabin class options are available on San Diego to Milwaukee-Mitchell flights?

There is only 1 cabin class available to choose from on San Diego to Milwaukee-Mitchell flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Diego to Milwaukee flights?

No. A direct flight is the cheapest option for a flight between San Diego to Milwaukee.

How have San Diego to Milwaukee flight prices changed over time?

As of December 2025, prices for San Diego to Milwaukee flights are approximately 52% more expensive when compared to flights at the same time last year.

When to book flights from San Diego to Milwaukee

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Milwaukee according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Milwaukee (SAN to MKE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Milwaukee

Best Price Found

$278

Fastest flight time

3h 55m

Direct flights

Tue, Wed, Fri, Sat and Sun

Airports in Milwaukee

1 airport
The best one-way flight to Milwaukee from San Diego in the past 72 hours is $278. The best round-trip flight deal from San Diego to Milwaukee found on momondo in the last 72 hours is $562.
The fastest flight from San Diego to Milwaukee takes 3h 55m
Direct flights go from San Diego to Milwaukee on Tuesday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Southwest.
There is 1 airport in Milwaukee. From San Diego there are direct flights to Milwaukee-Mitchell (MKE).
Search flight deals

  • How far is San Diego to Milwaukee-Mitchell by plane?

    The distance between San Diego and Milwaukee-Mitchell is about 1734.6 mi. By plane, this route typically takes 3h 55m.

  • When did momondo last update prices for flights from San Diego Airport to Milwaukee-Mitchell Airport?

    Prices for flights from San Diego Airport to Milwaukee-Mitchell Airport refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to Milwaukee-Mitchell Airport?

  • How old do you have to be to fly from San Diego Airport to Milwaukee-Mitchell Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Milwaukee-Mitchell Airport.

  • What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?

    The travel and health documents you'll need for your trip to Milwaukee-Mitchell Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Milwaukee-Mitchell Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Diego to Milwaukee?

  • What is the most popular airline from San Diego to Milwaukee?

Best airlines flying from San Diego to Milwaukee

Compare and see reviews for airlines that fly from San Diego to Milwaukee with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $119Free CancellationRating
5.8
3,084 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $168Free CancellationRating
6.3
8,180 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
SouthwestPriceFrom $256Free CancellationRating
7.9
4,253 reviews
Search Southwest flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $257Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Waukesha
Wauwatosa
Oak Creek
Mequon
Glendale
Pewaukee
Kohler
Port Washington
West Bend
New Berlin
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Milwaukee?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to Milwaukee. momondo saves you time and could save you money on your trip.

Can I find flights from San Diego to Milwaukee with flexible booking policies on momondo?

Flights from San Diego to Milwaukee with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Diego to Milwaukee?

momondo helps you find the best flight between San Diego and Milwaukee by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Diego to Milwaukee right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Milwaukee from San Diego. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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