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Cheap flights from Milwaukee to San Diego from $112

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to San Diego departing on 10/24. 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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Frontier Logo
8:04 pm - 11:50 pmMKE-SAN
5h 46m1 stop
Frontier Logo
6:41 am - 7:18 pmSAN-MKE
10h 37m1 stop
$215Frontier
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Fri, Oct 17 - Mon, Oct 27
Frontier Logo
8:04 pm - 11:50 pmMKE-SAN
5h 46m1 stop
Frontier Logo
6:41 am - 7:19 pmSAN-MKE
10h 38m1 stop
$222Frontier
Find Deal
Mon, Nov 3 - Fri, Nov 7
Delta Logo
7:39 pm - 11:27 pmMKE-SAN
5h 48m1 stop
Delta Logo
10:20 pm - 8:44 amSAN-MKE
8h 24m1 stop
$257Delta
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Sun, Nov 2 - Fri, Nov 7
Southwest Logo
6:05 am - 12:20 pmMKE-SAN
8h 15m1 stop
Southwest Logo
8:40 am - 5:30 pmSAN-MKE
6h 50m2 stops
$262Southwest
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Sun, Dec 7 - Wed, Dec 10
Southwest Logo
7:35 am - 4:25 pmMKE-SAN
10h 50m1 stop
Southwest Logo
9:55 am - 4:00 pmSAN-MKE
4h 05mnonstop
$272Southwest
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Wed, Oct 22 - Sat, Oct 25
Delta Logo
12:06 pm - 6:32 pmMKE-SAN
8h 26m1 stop
Delta Logo
2:05 pm - 11:55 pmSAN-MKE
7h 50m1 stop
$282Delta
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Sat, Oct 18 - Fri, Oct 31
American Airlines Logo
6:45 am - 2:10 pmMKE-SAN
9h 25m1 stop
American Airlines Logo
7:15 am - 4:46 pmSAN-MKE
7h 31m1 stop
$307American Airlines
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Wed, Oct 15 - Tue, Oct 21
United Airlines Logo
10:53 am - 4:02 pmMKE-SAN
7h 09m1 stop
United Airlines Logo
11:02 am - 9:23 pmSAN-MKE
8h 21m2 stops
$312United Airlines
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Fri, Oct 31 - Fri, Nov 7
United Airlines Logo
10:53 am - 4:02 pmMKE-SAN
7h 09m1 stop
United Airlines Logo
11:02 am - 9:23 pmSAN-MKE
8h 21m2 stops
$314United Airlines
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Sat, Nov 1 - Fri, Nov 7
American Airlines Logo
1:52 pm - 9:06 pmMKE-SAN
9h 14m1 stop
American Airlines Logo
6:15 am - 5:05 pmSAN-MKE
8h 50m2 stops
$343American Airlines
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Wed, Dec 31 - Sat, Jan 10

United Airlines flights from Milwaukee to San Diego

Our best United Airlines deals on Milwaukee to San Diego flight tickets
United Airlines
Oct 31
MKE10:53 amMilwaukee-Mitchell
7h 09m
1 stop
SAN4:02 pmSan Diego
Nov 7
SAN11:02 amSan Diego
8h 21m
2 stops
MKE9:23 pmMilwaukee-Mitchell
$312
Find similar
United Airlines
Nov 1
MKE10:53 amMilwaukee-Mitchell
7h 09m
1 stop
SAN4:02 pmSan Diego
Nov 7
SAN11:02 amSan Diego
8h 21m
2 stops
MKE9:23 pmMilwaukee-Mitchell
$314
Find similar
United Airlines
Jan 2
MKE5:00 amMilwaukee-Mitchell
6h 44m
1 stop
SAN9:44 amSan Diego
Jan 10
SAN11:10 amSan Diego
8h 49m
2 stops
MKE9:59 pmMilwaukee-Mitchell
$326
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Alaska Airlines flights from Milwaukee to San Diego

Our best Alaska Airlines deals on Milwaukee to San Diego flight tickets
Alaska Airlines
Dec 3
MKE3:51 pmMilwaukee-Mitchell
8h 56m
1 stop
SAN10:47 pmSan Diego
Dec 5
SAN8:59 pmSan Diego
15h 56m
1 stop
MKE2:55 pmMilwaukee-Mitchell
$256
Find similar
Alaska Airlines
Oct 25
MKE2:47 pmMilwaukee-Mitchell
10h 18m
1 stop
SAN11:05 pmSan Diego
Oct 28
SAN6:38 pmSan Diego
18h 22m
1 stop
MKE3:00 pmMilwaukee-Mitchell
$266
Find similar
Alaska Airlines
Feb 6
MKE3:53 pmMilwaukee-Mitchell
9h 16m
1 stop
SAN11:09 pmSan Diego
Feb 11
SAN4:01 pmSan Diego
19h 44m
1 stop
MKE1:45 pmMilwaukee-Mitchell
$277
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momondo 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, momondo users made 832,500 searches. Data last updated October 2, 2025.
Use the filters below to find and compare flights from Milwaukee to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Fri 10/17

8:04 pm-11:50 pm

1 stop5h 46m

San Diego

Mon 10/27

6:41 am-7:18 pm

1 stop10h 37m

$215

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Mon 11/3

8:04 pm-11:50 pm

1 stop5h 46m

San Diego

Fri 11/7

6:41 am-7:19 pm

1 stop10h 38m

$222

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Sun 11/2

7:39 pm-11:27 pm

1 stop5h 48m

San Diego

Fri 11/7

10:20 pm-8:44 am

1 stop8h 24m

$257

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Sun 12/7

6:05 am-12:20 pm

1 stop8h 15m

San Diego

Wed 12/10

8:40 am-5:30 pm

2 stops6h 50m

$262

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Wed 10/22

7:35 am-4:25 pm

1 stop10h 50m

San Diego

Sat 10/25

9:55 am-4:00 pm

Nonstop4h 05m

$272

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Sat 10/18

12:06 pm-6:32 pm

1 stop8h 26m

San Diego

Fri 10/31

2:05 pm-11:55 pm

1 stop7h 50m

$282

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Wed 10/15

6:45 am-2:10 pm

1 stop9h 25m

San Diego

Tue 10/21

7:15 am-4:46 pm

1 stop7h 31m

$307

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Fri 10/31

10:53 am-4:02 pm

1 stop7h 09m

San Diego

Fri 11/7

11:02 am-9:23 pm

2 stops8h 21m

$312

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Sat 11/1

10:53 am-4:02 pm

1 stop7h 09m

San Diego

Fri 11/7

11:02 am-9:23 pm

2 stops8h 21m

$314

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Wed 12/31

1:52 pm-9:06 pm

1 stop9h 14m

San Diego

Sat 1/10

6:15 am-5:05 pm

2 stops8h 50m

$343

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 San Diego from

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

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 San Diego?

If you are unable to visit San Diego during the month of November, then departing from Milwaukee during the month May is also very affordable. Most momondo users find prices during this month for around $349.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Milwaukee to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $307. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $517. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $326. Flights at noon are often more expensive with an average ticket price of $463.

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

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

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Milwaukee when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $408 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Milwaukee for as low as $339 on momondo.

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

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

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

As of October 2025, prices for Milwaukee to San Diego flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from Milwaukee to San Diego

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

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

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

Best Price Found

$354

Fastest flight time

4h 15m

Direct flights

Every day

Airports in San Diego

1 airport
The best flight deal from Milwaukee to San Diego found on momondo in the last 72 hours is $354
The fastest flight from Milwaukee to San Diego takes 4h 15m
Direct flights go from Milwaukee to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)
Search flight deals

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

    Milwaukee-Mitchell and San Diego are 1734.6 mi apart from one another. By plane, this route typically takes 4h 15m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Milwaukee-Mitchell Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from Milwaukee to San Diego

Compare and see reviews for airlines that fly from Milwaukee to San Diego with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $121Free CancellationRating
5.8
3,155 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $162Free CancellationRating
6.3
8,070 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $219Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $235Free CancellationRating
7.4
8,933 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,962 reviews
Search Delta flights
SouthwestPriceFrom $298Free CancellationRating
8.0
4,248 reviews
Search Southwest flights

  • Southwest Flights From Milwaukee to San Diego

    The lowest priced Southwest flight from Milwaukee to San Diego from the last 72 hours was $298. Generally, Southwest has 3 flights on this route every week with an average price of $439. Southwest is rated 8.0/10 by our users.

Traveling to a place near San Diego?

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

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to San Diego from Milwaukee with this policy.

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

momondo provides multiple filters to help you find the best flight to San Diego from Milwaukee. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to San Diego from Milwaukee are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San Diego trip

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