$68 Cheap Flights from Milwaukee (MKE) to San Francisco (SFO)

View $68 flight on Sat, Aug 30, 2025Opens in a new window

Popular airlines from General Mitchell Intl. Airport (MKE) to San Francisco Intl. Airport (SFO)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Milwaukee to San Francisco (MKE-SFO)

Prices were available within the past 7 days and start at $68 for one-way flights and $162 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, Oct 13 - Thu, Oct 16
MKE
Milwaukee
SFO
San Francisco
$162 Roundtrip, found 2 days ago
$162
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Mon, Oct 13 from Milwaukee to San Francisco, returning Thu, Oct 16, priced at $162 found 2 days ago
Southwest Airlines
Thu, Oct 2 - Wed, Oct 8
MKE
Milwaukee
SFO
San Francisco
$163 Roundtrip, found 2 days ago
$163
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, Oct 2 from Milwaukee to San Francisco, returning Wed, Oct 8, priced at $163 found 2 days ago
Southwest Airlines
Mon, Oct 13 - Tue, Oct 14
MKE
Milwaukee
SFO
San Francisco
$166 Roundtrip, found 2 days ago
$166
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Mon, Oct 13 from Milwaukee to San Francisco, returning Tue, Oct 14, priced at $166 found 2 days ago
Southwest Airlines
Thu, Sep 18 - Fri, Sep 19
MKE
Milwaukee
SFO
San Francisco
$167 Roundtrip, found 4 days ago
$167
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Thu, Sep 18 from Milwaukee to San Francisco, returning Fri, Sep 19, priced at $167 found 4 days ago
Southwest Airlines
Tue, Aug 19 - Sun, Aug 24
MKE
Milwaukee
SFO
San Francisco
$171 Roundtrip, found 2 days ago
$171
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Aug 19 from Milwaukee to San Francisco, returning Sun, Aug 24, priced at $171 found 2 days ago
Southwest Airlines
Wed, Aug 27 - Sun, Aug 31
MKE
Milwaukee
SFO
San Francisco
$172 Roundtrip, found 3 days ago
$172
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Wed, Aug 27 from Milwaukee to San Francisco, returning Sun, Aug 31, priced at $172 found 3 days ago
American Airlines
Thu, Aug 28 - Sun, Aug 31
MKE
Milwaukee
SFO
San Francisco
$180 Roundtrip, found 2 days ago
$180
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 28 from Milwaukee to San Francisco, returning Sun, Aug 31, priced at $180 found 2 days ago
Alaska Airlines
Fri, Sep 5 - Mon, Sep 8
MKE
Milwaukee
SFO
San Francisco
$203 Roundtrip, found 2 days ago
$203
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Sep 5 from Milwaukee to San Francisco, returning Mon, Sep 8, priced at $203 found 2 days ago
United
Sat, Aug 30 - Sun, Aug 31
MKE
Milwaukee
SFO
San Francisco
$221 Roundtrip, found 6 days ago
$221
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 30 from Milwaukee to San Francisco, returning Sun, Aug 31, priced at $221 found 6 days ago
Delta
Sat, Aug 23 - Sun, Aug 31
MKE
Milwaukee
SFO
San Francisco
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Aug 23 from Milwaukee to San Francisco, returning Sun, Aug 31, priced at $241 found 1 day ago

Find the cheapest month to fly from Milwaukee (MKE) to San Francisco (SFO)

September is typically the cheapest month to fly

From $160 - $421 per traveler.

Graph displaying average flight prices per month

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Norman Y. Mineta San Jose Intl. SJC. Cheapest option available. Average driving time to city center is 50 minutes. Flights from $396
SJC
Norman Y. Mineta San Jose Intl.
Cheapest
Average driving time to city center50 min
Flights from $396
Select flight to Oakland Intl. OAK. Average driving time to city center is 26 minutes. Flights from $434
OAK
Oakland Intl.
Average driving time to city center26 min
Flights from $434
Flights from Milwaukee (MKE) to San Francisco (SFO)
Origin airport
General Mitchell Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$162
Distance
1841 mi

Milwaukee to San Francisco Flights

The cheapest times to fly from Milwaukee to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Milwaukee to San Francisco are during the month of October. You can find some of the cheapest flights from Milwaukee to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Milwaukee to San Francisco

Sunday is one of the best days to book for cheap flights from Milwaukee to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Milwaukee to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Milwaukee to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $68 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Milwaukee to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Milwaukee to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from General Mitchell Intl. Airport (MKE) to San Francisco Intl. Airport (SFO) cost?
Discover the latest flight deals from MKE to SFO by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from MKE to SFO?
The cheapest flights from MKE to SFO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MKE to SFO?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from MKE to SFO. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from General Mitchell Intl. Airport (MKE) to San Francisco Intl. Airport (SFO)?
Direct flights from General Mitchell Intl. Airport (MKE) to San Francisco Intl. Airport (SFO) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MKE to SFO?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from MKE to SFO?
With 100% of journeys usually arriving as scheduled, United Airlines has the best on-time performance for direct flights from General Mitchell Intl. Airport (MKE) to San Francisco Intl. Airport (SFO). To monitor your flight status and receive notifications if anything changes, head to the Expedia App.
What is the best time to fly from General Mitchell Intl. Airport (MKE) to San Francisco Intl. Airport (SFO)?
To avoid possible delays on the General Mitchell Intl. Airport (MKE) to San Francisco Intl. Airport (SFO) route, travel before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from General Mitchell Intl. Airport (MKE) to San Francisco Intl. Airport (SFO) last-minute?
Booking your plane ticket from MKE to SFO right before your journey is typically more expensive. However, if you're flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a MKE to SFO flight and hotel package?
Opting for a MKE to SFO flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from General Mitchell Intl. Airport (MKE) to San Francisco Intl. Airport (SFO)?
If you booked your MKE to SFO flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.