$154+ Cheap flights from Milwaukee to San Diego (MKE - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAN
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Milwaukee to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Milwaukee-Mitchell to San Diego are usually found in January or February, booked 50 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Milwaukee to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Milwaukee to San DiegoExplore 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 September 7, 2026.
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 September 7, 2026.
This Southwest deal was found by Cheapflights users on 9/4. 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.
Sat 11/78:55 am -
1 stop5h 45m
Tue 11/106:30 am -
1 stop7h 10m
Deal found 9/4![Southwest logo]()
$370
This Southwest deal was found by Cheapflights users on 9/5. 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.
Fri 10/238:00 pm -
1 stop6h 15m
Tue 10/278:20 am -
1 stop6h 50m
Deal found 9/5![Southwest logo]()
$375
This Southwest deal was found by Cheapflights users on 9/5. 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.
Sat 9/265:45 am -
1 stop8h 25m
Sat 10/310:15 am -
2 stops8h 05m
Deal found 9/5![Southwest logo]()
$380
This American Airlines deal was found by Cheapflights users on 9/3. 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 11/147:05 am -
1 stop9h 18m
Sat 11/211:37 pm -
1 stop7h 03m
Deal found 9/3![American Airlines logo]()
$381
This Southwest deal was found by Cheapflights users on 9/6. 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.
Wed 10/219:05 am -
2 stops14h 35m
Mon 10/263:40 pm -
1 stop6h 35m
Deal found 9/6![Southwest logo]()
$386
This Delta deal was found by Cheapflights users on 9/5. 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.
Fri 10/234:29 pm -
1 stop8h 55m
Wed 10/2811:31 am -
1 stop6h 35m
Deal found 9/5![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 9/3. 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.
Mon 10/2610:25 am -
Nonstop4h 20m
Mon 11/212:50 pm -
1 stop8h 30m
Deal found 9/3![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/262:20 pm -
2 stops8h 19m
Sun 10/410:30 pm -
1 stop6h 37m
Deal found 9/5![United Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/12:48 pm -
1 stop8h 42m
Mon 10/510:40 pm -
1 stop7h 27m
Deal found 9/3![American Airlines logo]()
$401
Best flights from Milwaukee to San DiegoDiscover carefully curated flight deals from Milwaukee to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Milwaukee to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Southwest deal was found by Cheapflights users on 9/3. 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.
Fri 11/64:50 pm -
1 stop8h 55m
Mon 11/95:15 pm -
1 stop5h 25m
Deal found 9/3![Southwest logo]()
$375
This Delta deal was found by Cheapflights users on 9/2. 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 10/1412:36 pm -
1 stop9h 00m
Mon 10/199:45 pm -
1 stop9h 26m
Deal found 9/2![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/25:50 pm -
1 stop6h 37m
Fri 10/910:30 pm -
1 stop6h 37m
Deal found 9/2![United Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 9/5. 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.
Thu 10/18:00 pm -
1 stop6h 10m
Mon 10/53:30 pm -
1 stop5h 20m
Deal found 9/5![Southwest logo]()
$375
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Fri 10/308:00 am -
1 stop7h 24m
Wed 11/412:39 pm -
2 stops7h 36m
Deal found 9/4![United Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/24:57 pm -
1 stop7h 09m
Mon 10/59:45 pm -
1 stop9h 26m
Deal found 9/6![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 9/2. 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.
Wed 10/142:20 pm -
1 stop8h 15m
Sun 10/253:20 pm -
1 stop7h 15m
Deal found 9/2![Southwest logo]()
$375
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 11/55:00 am -
1 stop6h 27m
Fri 11/612:39 pm -
2 stops7h 36m
Deal found 9/3![United Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 9/4. 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.
Thu 10/224:56 pm -
1 stop7h 16m
Mon 10/2610:25 pm -
1 stop8h 46m
Deal found 9/4![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 9/3. 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.
Thu 11/54:50 pm -
1 stop8h 55m
Fri 11/66:35 am -
1 stop6h 45m
Deal found 9/3![Southwest logo]()
$375
This Southwest deal was found by Cheapflights users on 9/4. 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.
Sat 10/315:35 am -
2 stops8h 25m
Tue 11/312:45 pm -
2 stops7h 00m
Deal found 9/4![Southwest logo]()
$385
This Southwest deal was found by Cheapflights users on 9/3. 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 10/276:55 am -
1 stop5h 50m
Fri 10/301:35 pm -
Nonstop3h 50m
Deal found 9/3![Southwest logo]()
$406
Last-minute flights from Milwaukee to San DiegoDiscover last-minute flight deals from Milwaukee to San Diego. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to San Diego. Data last updated September 7, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/2. 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.
Fri 9/253:05 pm -
Nonstop4h 05m
Mon 9/2810:40 pm -
1 stop9h 10m
Deal found 9/2![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 9/5. 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.
Sat 9/265:45 am -
1 stop8h 25m
Sat 10/310:15 am -
2 stops8h 05m
Deal found 9/5![Southwest logo]()
$380
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/262:20 pm -
2 stops8h 19m
Sun 10/410:30 pm -
1 stop6h 37m
Deal found 9/5![United Airlines logo]()
$400
This Southwest deal was found by Cheapflights users on 9/4. 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.
Sat 9/265:00 pm -
2 stops7h 55m
Tue 9/2911:45 am -
2 stops7h 35m
Deal found 9/4![Southwest logo]()
$405
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/12:48 pm -
1 stop8h 42m
Mon 10/510:40 pm -
1 stop7h 27m
Deal found 9/3![American Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 9/6. 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.
Wed 10/219:05 am -
2 stops14h 35m
Mon 10/263:40 pm -
1 stop6h 35m
Deal found 9/6![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 9/6. 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.
Fri 10/236:30 pm -
1 stop6h 15m
Mon 10/262:30 pm -
1 stop7h 50m
Deal found 9/6![Southwest logo]()
$375
This Southwest deal was found by Cheapflights users on 9/5. 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.
Fri 10/236:30 pm -
2 stops7h 40m
Tue 10/2712:15 pm -
2 stops7h 35m
Deal found 9/5![Southwest logo]()
$385
This Delta deal was found by Cheapflights users on 9/5. 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.
Fri 10/2312:36 pm -
1 stop10h 39m
Sun 11/110:25 pm -
1 stop8h 46m
Deal found 9/5![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 9/3. 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.
Mon 10/2610:25 am -
Nonstop4h 20m
Sat 10/316:40 am -
1 stop8h 10m
Deal found 9/3![Southwest logo]()
$396
One-way flights from Milwaukee to San DiegoSearch for one-way flight options from Milwaukee to San Diego. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Milwaukee to San Diego. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:02 pm -
1 stop26h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:55 pm -
1 stop24h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$172
This Trip.com deal was found by Cheapflights users on 9/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:31 pm -
1 stop9h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Alaska Airlines logo]()
$185
This Southwest deal was found by Cheapflights users on 9/6. 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.
Mon 11/24:50 pm -
1 stop8h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$188
This Southwest deal was found by Cheapflights users on 9/2. 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.
Wed 10/147:30 am -
2 stops10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:10 am -
2 stops36h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$197
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/24:50 pm -
1 stop8h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$198
Find 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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $370 (Southwest) |
One-way from | $154 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $391 |
Good round-trip deal | $494 or less |
Good one-way deal | $268 or less |
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 7,457,451 searches. Data last updated September 7, 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
Cheapest round-trip
MilwaukeeSan Diego
MKE Milwaukee-Mitchell - SAN San Diego
MKESAN
Milwaukee-Mitchell
Sun 12/6
2:50 pm-10:56 pm
1 stop10h 06m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$188
Quickest round-trip
MilwaukeeSan Diego
MKE Milwaukee-Mitchell - SAN San Diego
MKESAN
Milwaukee-Mitchell
Tue 12/1
3:50 pm-8:25 pm
1 stop6h 35m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$188
MilwaukeeSan Diego
MKE Milwaukee-Mitchell - SAN San Diego
MKESAN
Milwaukee-Mitchell
Wed 12/2
3:59 pm-10:28 pm
1 stop8h 29m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$188
MilwaukeeSan Diego
MKE Milwaukee-Mitchell - SAN San Diego
MKESAN
Milwaukee-Mitchell
Wed 10/14
2:20 pm-8:35 pm
1 stop8h 15m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$188
MilwaukeeSan Diego
MKE Milwaukee-Mitchell - SAN San Diego
MKESAN
Milwaukee-Mitchell
Thu 10/29
12:36 pm-7:36 pm
1 stop9h 00m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$188
MilwaukeeSan Diego
MKE Milwaukee-Mitchell - SAN San Diego
MKESAN
Milwaukee-Mitchell
Tue 10/27
12:36 pm-7:36 pm
1 stop9h 00m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$188
MilwaukeeSan Diego
MKE Milwaukee-Mitchell - SAN San Diego
MKESAN
Milwaukee-Mitchell
Fri 10/30
2:35 pm-12:19 am
2 stops11h 44m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$193
MilwaukeeSan Diego
MKE Milwaukee-Mitchell - SAN San Diego
MKESAN
Milwaukee-Mitchell
Sun 12/6
3:55 pm-11:50 pm
2 stops9h 55m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$193
MilwaukeeSan Diego
MKE Milwaukee-Mitchell - SAN San Diego
MKESAN
Milwaukee-Mitchell
Thu 11/19
12:45 pm-6:55 pm
2 stops8h 10m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$193
MilwaukeeSan Diego
MKE Milwaukee-Mitchell - SAN San Diego
MKESAN
Milwaukee-Mitchell
Thu 10/29
6:47 am-12:56 pm
2 stops8h 09m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$193
Showing 1-10 of 24 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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 FlightHub the most. FlightHub 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.
MKE-SAN
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
Prices
More
How far ahead should I book a flight from Milwaukee to San Diego?
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 32 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, January is the cheapest month in which you can book a flight from Milwaukee to San Diego (average of $276). Flying from Milwaukee to San Diego in March is currently the most expensive (average of $523). 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 September 7, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Milwaukee to San Diego as you normally would.
What’s the top layover airport for flights from Milwaukee to San Diego?
Share of 1-stop round-trip flights from Milwaukee to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (ORD) – chosen by Cheapflights users on 67% of 1-stop itineraries from Milwaukee to San Diego on Cheapflights.
What’s the cheapest layover airport for flights from Milwaukee to San Diego?
Average round-trip fare for 1-stop flights from Milwaukee to San Diego, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $266.
What’s the fastest layover option from Milwaukee to San Diego?
Shortest average travel time for 1-stop one-way flights from Milwaukee to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 6h 10m.
Which airport typically offers the quickest layover for flights from Milwaukee to San Diego?
Average layover duration for 1-stop one-way flights from Milwaukee to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 1h 14m.
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 September 7, 2026.
Read through reviews of airlines operating flights from Milwaukee to San Diego, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
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Top 5 airlines flying from Milwaukee to San Diego
Discover the top 5 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$93 | Average$357 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$235 | Average$353 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$242 | Average$324 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$275 | Average$395 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$276 | Average$435 | FlexibilityNo cancel fee | On-time63% |