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Cheap flights from Milwaukee to San Diego 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 Milwaukee to San Diego departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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American Airlines Logo
5:52 pm - 9:58 pm
MKE
-
SAN
6h 06m1 stop
American Airlines Logo
6:15 am - 2:25 pm
SAN
-
MKE
6h 10m1 stop
$249American Airlines
Fri, Jan 23 - Sat, Jan 31
Frontier Logo
7:46 pm - 12:09 am
MKE
-
SAN
6h 23m1 stop
Frontier Logo
9:28 pm - 6:51 pm
SAN
-
MKE
19h 23m1 stop
$251Frontier
Mon, Mar 9 - Thu, Mar 12
American Airlines Logo
7:32 am - 1:08 pm
MKE
-
SAN
7h 36m1 stop
American Airlines Logo
6:15 am - 3:57 pm
SAN
-
MKE
7h 42m2 stops
$254American Airlines
Fri, Jan 23 - Sat, Jan 31
Multiple Airlines Logo
3:47 pm - 11:03 pm
MKE
-
SAN
9h 16m1 stop
Multiple Airlines Logo
9:00 am - 6:51 pm
SAN
-
MKE
7h 51m1 stop
$269Multiple Airlines
Thu, Mar 5 - Mon, Mar 9
Frontier Logo
7:46 pm - 12:09 am
MKE
-
SAN
6h 23m1 stop
Frontier Logo
6:25 am - 6:51 pm
SAN
-
MKE
10h 26m1 stop
$271Frontier
Fri, Mar 6 - Mon, Mar 9
United Airlines Logo
5:00 am - 11:48 am
MKE
-
SAN
8h 48m1 stop
United Airlines Logo
6:30 am - 2:57 pm
SAN
-
MKE
6h 27m1 stop
$277United Airlines
Fri, Feb 6 - Thu, Feb 12
United Airlines Logo
8:00 am - 12:59 pm
MKE
-
SAN
6h 59m1 stop
United Airlines Logo
11:08 am - 9:21 pm
SAN
-
MKE
8h 13m2 stops
$282United Airlines
Sat, Feb 7 - Tue, Feb 10
Delta Logo
11:03 am - 10:42 pm
MKE
-
SAN
13h 39m2 stops
Delta Logo
10:30 pm - 9:16 am
SAN
-
MKE
8h 46m1 stop
$284Delta
Tue, Feb 3 - Sun, Feb 8
United Airlines Logo
8:33 am - 3:04 pm
MKE
-
SAN
8h 31m2 stops
United Airlines Logo
1:00 pm - 10:56 pm
SAN
-
MKE
7h 56m2 stops
$287United Airlines
Wed, Jan 28 - Wed, Feb 4
United Airlines Logo
8:33 am - 3:04 pm
MKE
-
SAN
8h 31m2 stops
United Airlines Logo
1:00 pm - 10:56 pm
SAN
-
MKE
7h 56m2 stops
$288United Airlines
Sat, Feb 7 - Tue, Feb 10

Delta flights from Milwaukee to San Diego

Our best Delta deals on Milwaukee to San Diego flight tickets
Delta
Feb 3
MKE11:03 amMilwaukee-Mitchell
13h 39m
2 stops
SAN10:42 pmSan Diego
Feb 8
SAN10:30 pmSan Diego
8h 46m
1 stop
MKE9:16 amMilwaukee-Mitchell
$284
Find similar
Delta
Jan 22
MKE7:45 amMilwaukee-Mitchell
12h 15m
2 stops
SAN6:00 pmSan Diego
Jan 26
SAN7:00 amSan Diego
12h 15m
2 stops
MKE9:15 pmMilwaukee-Mitchell
$291
Find similar
Delta
Jan 29
MKE11:03 amMilwaukee-Mitchell
8h 57m
2 stops
SAN6:00 pmSan Diego
Feb 5
SAN7:00 amSan Diego
12h 15m
2 stops
MKE9:15 pmMilwaukee-Mitchell
$293
Find similar

American Airlines flights from Milwaukee to San Diego

Our best American Airlines deals on Milwaukee to San Diego flight tickets
American Airlines
Jan 23
MKE5:52 pmMilwaukee-Mitchell
6h 06m
1 stop
SAN9:58 pmSan Diego
Jan 31
SAN6:15 amSan Diego
6h 10m
1 stop
MKE2:25 pmMilwaukee-Mitchell
$249
Find similar
American Airlines
Jan 23
MKE7:32 amMilwaukee-Mitchell
7h 36m
1 stop
SAN1:08 pmSan Diego
Jan 31
SAN6:15 amSan Diego
7h 42m
2 stops
MKE3:57 pmMilwaukee-Mitchell
$254
Find similar
American Airlines
Jan 7
MKE3:53 pmMilwaukee-Mitchell
6h 48m
1 stop
SAN8:41 pmSan Diego
Jan 10
SAN8:25 amSan Diego
6h 40m
1 stop
MKE5:05 pmMilwaukee-Mitchell
$336
Find similar

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 January 2, 2026.
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 1/23

5:52 pm-9:58 pm

1 stop6h 06m

San Diego

Sat 1/31

6:15 am-2:25 pm

1 stop6h 10m

$249

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Mon 3/9

7:46 pm-12:09 am

1 stop6h 23m

San Diego

Thu 3/12

9:28 pm-6:51 pm

1 stop19h 23m

$251

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Fri 1/23

7:32 am-1:08 pm

1 stop7h 36m

San Diego

Sat 1/31

6:15 am-3:57 pm

2 stops7h 42m

$254

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Thu 3/5

3:47 pm-11:03 pm

1 stop9h 16m

San Diego

Mon 3/9

9:00 am-6:51 pm

1 stop7h 51m

$269

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Fri 3/6

7:46 pm-12:09 am

1 stop6h 23m

San Diego

Mon 3/9

6:25 am-6:51 pm

1 stop10h 26m

$271

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Fri 2/6

5:00 am-11:48 am

1 stop8h 48m

San Diego

Thu 2/12

6:30 am-2:57 pm

1 stop6h 27m

$277

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Sat 2/7

8:00 am-12:59 pm

1 stop6h 59m

San Diego

Tue 2/10

11:08 am-9:21 pm

2 stops8h 13m

$282

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Tue 2/3

11:03 am-10:42 pm

2 stops13h 39m

San Diego

Sun 2/8

10:30 pm-9:16 am

1 stop8h 46m

$284

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Wed 1/28

8:33 am-3:04 pm

2 stops8h 31m

San Diego

Wed 2/4

1:00 pm-10:56 pm

2 stops7h 56m

$287

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Sat 2/7

8:33 am-3:04 pm

2 stops8h 31m

San Diego

Tue 2/10

1:00 pm-10:56 pm

2 stops7h 56m

$288

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 May, then departing from Milwaukee during the month September is also very affordable. Most momondo users find prices during this month for around $374.

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 Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $417. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $718. 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 morning when flights can be purchased for as low as $447. Flights in the afternoon are often more expensive with an average ticket price of $516.

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 $404 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 $335 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 January 2026, prices for Milwaukee to San Diego flights are approximately 38% more expensive 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

$386

Fastest flight time

4h 10m

Direct flights

Mon, Tue, Fri, Sat and Sun

Airports in San Diego

1 airport
The best flight deal from Milwaukee to San Diego found on momondo in the last 72 hours is $386
The fastest flight from Milwaukee to San Diego takes 4h 10m
Direct flights go from Milwaukee to San Diego on Monday, Tuesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in San Diego. From Milwaukee there are direct flights to 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 10m.

  • 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
5.7
3,066 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $173Free CancellationRating
6.3
8,258 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $216Free CancellationRating
7.2
11,075 reviews
Search American Airlines flights
United AirlinesPriceFrom $235Free CancellationRating
7.4
9,133 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,021 reviews
Search Delta flights
SouthwestPriceFrom $275Free CancellationRating
8.0
4,255 reviews
Search Southwest flights

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
Poway
National City
Imperial Beach
Borrego Springs
San Ysidro
La Mesa
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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