What is the cheapest airline that flies from Milwaukee-Mitchell to San Diego?

Frontier, Delta, and Southwest are the most popular carriers operating from Milwaukee-Mitchell to San Diego

Which layover airport has the shortest travel time from Milwaukee to San Diego?

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 5h 54m.

How many flights depart from Milwaukee to San Diego on average per week?

The number of flights available between Milwaukee and San Diego is 2 per week as of November 2025. The most frequent departure day is Fri, with 50% of weekly flights leaving on this day.

Which layover airport offers the lowest fares from Milwaukee to San Diego?

Flights via Las Vegas (LAS) offer the lowest average round-trip price of $298.

Which airport is the most popular layover for flights between Milwaukee and San Diego?

Phoenix (PHX) was the most common stop: 59% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to San Diego?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to San Diego from Milwaukee according to our data. American Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 8 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Milwaukee to San Diego?

Minneapolis (MSP) has the shortest average layover time for this route: 0h 49m.

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?

The number of operators available for flights from Milwaukee-Mitchell Airport to San Diego Airport is 6 as of November 2025.

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.

$97 Cheap Flights from Milwaukee to San Diego in 2025/26

Q: What is the typical price of a round-trip flight between Milwaukee and San Diego?

Prices are currently low for flights on this route. Typical prices usually range from $276 to $480. The lowest price recently found on this route was $210.

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3:27 pm - 1:15 pmMKE-SAN

23h 48m1 stop

10:57 am - 1:28 pmSAN-MKE

24h 31m1 stop

$210Multiple Airlines

Find Deal

Thu, Dec 18 - Wed, Dec 24

3:27 pm - 1:15 pmMKE-SAN

23h 48m1 stop

1:06 pm - 1:28 pmSAN-MKE

22h 22m2 stops

$238Multiple Airlines

Find Deal

Thu, Dec 18 - Wed, Dec 24

3:27 pm - 1:15 pmMKE-SAN

23h 48m1 stop

9:32 am - 11:24 pmSAN-MKE

11h 52m1 stop

$244Multiple Airlines

Find Deal

Thu, Dec 18 - Sat, Dec 27

3:27 pm - 12:38 pmMKE-SAN

23h 11m2 stops

10:57 am - 1:28 pmSAN-MKE

24h 31m1 stop

$255Multiple Airlines

Find Deal

Thu, Dec 18 - Wed, Dec 24

3:17 pm - 9:18 pmMKE-SAN

8h 01m1 stop

11:36 am - 8:30 pmSAN-MKE

6h 54m1 stop

$257Delta

Find Deal

Fri, Dec 12 - Tue, Dec 16

3:27 pm - 1:15 pmMKE-SAN

23h 48m1 stop

6:25 am - 5:33 pmSAN-MKE

33h 08m2 stops

$260Multiple Airlines

Find Deal

Thu, Dec 18 - Thu, Dec 25

10:30 am - 6:50 pmMKE-SAN

10h 20m2 stops

6:25 am - 3:50 pmSAN-MKE

7h 25m1 stop

$262Southwest

Find Deal

Sat, Dec 6 - Sat, Dec 13

6:27 pm - 11:59 pmMKE-SAN

31h 32m2 stops

10:57 am - 1:28 pmSAN-MKE

24h 31m1 stop

$263Multiple Airlines

Find Deal

Fri, Dec 19 - Wed, Dec 24

7:20 am - 12:20 pmMKE-SAN

7h 00m1 stop

11:52 am - 9:35 pmSAN-MKE

7h 43m1 stop

$267Delta

Find Deal

Wed, Dec 17 - Wed, Dec 24

3:27 pm - 1:15 pmMKE-SAN

23h 48m1 stop

6:11 pm - 5:33 pmSAN-MKE

21h 22m1 stop

$270Multiple Airlines

Find Deal

Thu, Dec 18 - Thu, Dec 25

Delta flights from Milwaukee to San Diego

Our best Delta deals on Milwaukee to San Diego flight tickets

Delta

Dec 12

MKE3:17 pmMilwaukee-Mitchell

8h 01m

1 stop

SAN9:18 pmSan Diego

Dec 16

SAN11:36 amSan Diego

6h 54m

1 stop

MKE8:30 pmMilwaukee-Mitchell

$257

Find similar

Delta

Dec 17

MKE7:20 amMilwaukee-Mitchell

7h 00m

1 stop

SAN12:20 pmSan Diego

Dec 24

SAN11:52 amSan Diego

7h 43m

1 stop

MKE9:35 pmMilwaukee-Mitchell

$267

Find similar

Delta

Dec 19

MKE7:31 pmMilwaukee-Mitchell

6h 24m

1 stop

SAN11:55 pmSan Diego

Dec 26

SAN10:30 pmSan Diego

9h 01m

1 stop

MKE9:31 amMilwaukee-Mitchell

$277

Find similar

United Airlines flights from Milwaukee to San Diego

Our best United Airlines deals on Milwaukee to San Diego flight tickets

United Airlines

Jan 26

MKE5:00 amMilwaukee-Mitchell

6h 40m

1 stop

SAN9:40 amSan Diego

Jan 28

SAN9:00 amSan Diego

9h 48m

2 stops

MKE8:48 pmMilwaukee-Mitchell

$282

Find similar

United Airlines

Dec 10

MKE3:50 pmMilwaukee-Mitchell

8h 40m

2 stops

SAN10:30 pmSan Diego

Dec 15

SAN7:00 amSan Diego

6h 08m

1 stop

MKE3:08 pmMilwaukee-Mitchell

$313

Find similar

United Airlines

Mar 12

MKE5:00 amMilwaukee-Mitchell

6h 52m

1 stop

SAN9:52 amSan Diego

Mar 19

SAN11:03 amSan Diego

8h 18m

2 stops

MKE9:21 pmMilwaukee-Mitchell

$333

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Thu 12/18

3:27 pm-1:15 pm

1 stop23h 48m

San Diego

Wed 12/24

10:57 am-1:28 pm

1 stop24h 31m

$210

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Thu 12/18

3:27 pm-1:15 pm

1 stop23h 48m

San Diego

Wed 12/24

1:06 pm-1:28 pm

2 stops22h 22m

$238

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Thu 12/18

3:27 pm-1:15 pm

1 stop23h 48m

San Diego

Sat 12/27

9:32 am-11:24 pm

1 stop11h 52m

$244

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Thu 12/18

3:27 pm-12:38 pm

2 stops23h 11m

San Diego

Wed 12/24

10:57 am-1:28 pm

1 stop24h 31m

$255

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Fri 12/12

3:17 pm-9:18 pm

1 stop8h 01m

San Diego

Tue 12/16

11:36 am-8:30 pm

1 stop6h 54m

$257

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Thu 12/18

3:27 pm-1:15 pm

1 stop23h 48m

San Diego

Thu 12/25

6:25 am-5:33 pm

2 stops33h 08m

$260

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Sat 12/6

10:30 am-6:50 pm

2 stops10h 20m

San Diego

Sat 12/13

6:25 am-3:50 pm

1 stop7h 25m

$262

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Fri 12/19

6:27 pm-11:59 pm

2 stops31h 32m

San Diego

Wed 12/24

10:57 am-1:28 pm

1 stop24h 31m

$263

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Wed 12/17

7:20 am-12:20 pm

1 stop7h 00m

San Diego

Wed 12/24

11:52 am-9:35 pm

1 stop7h 43m

$267

MilwaukeeSan Diego

MKE - SAN

MKESAN

Milwaukee-Mitchell

Thu 12/18

3:27 pm-1:15 pm

1 stop23h 48m

San Diego

Thu 12/25

6:11 pm-5:33 pm

1 stop21h 22m

$270

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Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Milwaukee and San Diego?

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 November is also very affordable. Most momondo users find prices during this month for around $366.

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 $546. 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 $508.

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 $410 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 $345 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 November 2025, prices for Milwaukee to San Diego flights are approximately 124% 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	$190
Fastest flight time	4h 20m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in San Diego	1 airport

The best one-way flight to San Diego from Milwaukee in the past 72 hours is $190. The best round-trip flight deal from Milwaukee to San Diego found on momondo in the last 72 hours is $451.

The fastest flight from Milwaukee to San Diego takes 4h 20m

Direct flights go from Milwaukee to San Diego on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

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 20m.
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?
The number of operators available for flights from Milwaukee-Mitchell Airport to San Diego Airport is 6 as of November 2025.
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?
Based on momondo bookings for flights between Milwaukee and San Diego, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 26.32% of the total bookings. Other popular models include Boeing 737-700 Passenger/BBJ1 (winglets) with 22.81%, Boeing 737 MAX 8 with 10.53%, and Boeing 737 MAX 9 with 10.53%.
What is the most popular airline from Milwaukee to San Diego?
momondo data reveals that the most frequently booked airline on the route from Milwaukee to San Diego is Southwest, representing 42% of all bookings. The subsequent popular airlines are American Airlines at 21%, Delta at 15%, and United Airlines at 11%.

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
Frontier	PriceFrom $121	Free Cancellation	Rating 5.8 3,106 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $162	Free Cancellation	Rating 6.3 8,144 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $229	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights
United Airlines	PriceFrom $235	Free Cancellation	Rating 7.4 9,014 reviews	Search United Airlines flights
Delta	PriceFrom $256	Free Cancellation	Rating 7.9 8,006 reviews	Search Delta flights
Southwest	PriceFrom $276	Free Cancellation	Rating 8.0 4,244 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 $276. Generally, Southwest has 2 flights on this route every week with an average price of $441. Southwest is rated 8.0/10 by our users.

Coronado

Chula Vista

El Cajon

Julian

National City

Imperial Beach

La Mesa

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.

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Flights to New Yorkfrom $44

Flights to Los Angelesfrom $50

Flights to Miamifrom $38

Flights to Chicagofrom $50

Flights to Orlandofrom $38

Flights to Las Vegasfrom $45

Flights to San Franciscofrom $54

Flights to Washington, D.C.from $38

Flights to Bostonfrom $53

Flights to Atlantafrom $38

Flights to Dallasfrom $48

Flights to Seattlefrom $58

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Flights from Milwaukee-Mitchell to Raleigh-Durham

Cheap flights from Milwaukee to San Diego from $97

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 2/14. 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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Delta flights from Milwaukee to San Diego

Our best Delta deals on Milwaukee to San Diego flight tickets

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Our best United Airlines deals on Milwaukee to San Diego flight tickets

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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 typical price of a round-trip flight between Milwaukee and San Diego?

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 November is also very affordable. Most momondo users find prices during this month for around $366.

What is the cheapest day to depart on your flight 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 $508.

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?

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 November 2025, prices for Milwaukee to San Diego flights are approximately 124% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Milwaukee-Mitchell to San Diego?

Frontier, Delta, and Southwest are the most popular carriers operating from Milwaukee-Mitchell to San Diego

What airlines fly to San Diego?

Which airport is the most popular layover for flights between Milwaukee and San Diego?

Phoenix (PHX) was the most common stop: 59% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Milwaukee to San Diego?

Flights via Las Vegas (LAS) offer the lowest average round-trip price of $298.

Which layover airport has the shortest travel time from Milwaukee to San Diego?

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 5h 54m.

Which layover airport has the shortest connection time from Milwaukee to San Diego?

Minneapolis (MSP) has the shortest average layover time for this route: 0h 49m.

How many flights depart from Milwaukee to San Diego on average per week?

The number of flights available between Milwaukee and San Diego is 2 per week as of November 2025. The most frequent departure day is Fri, with 50% of weekly flights leaving on this day.

When to book flights from Milwaukee to San Diego

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

Fastest flight time

Direct flights

Airports in San Diego

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

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

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?

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

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

Southwest Flights From Milwaukee to San Diego

Traveling to a place near San Diego?

Why use momondo?

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

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

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

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

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California