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$111+ Cheap flights from Milwaukee to San Francisco (MKE - SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SFO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Milwaukee-Mitchell to San Francisco are usually found in September or April, booked 40 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap flight deals from Milwaukee to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to San Francisco (SFO). 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 June 12, 2025.

Round-trip from

$221
(Southwest)

One-way from

$111
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$423
From Milwaukee-Mitchell to San Francisco
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One-way flight from Milwaukee-Mitchell to San Francisco
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Milwaukee to San Francisco

Cheapest flights from Milwaukee to San Francisco
Explore the most affordable flight options available from Milwaukee to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/11. 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 7/14:55 pmMKE - SFO
1 stop6h 25mSouthwest
Fri 7/45:00 amSFO - MKE
1 stop7h 05mSouthwest
Deal found 6/11$221
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 7/12:33 pmMKE - SFO
1 stop10h 20mAmerican Airlines
Fri 7/49:15 amSFO - MKE
2 stops10h 47mAmerican Airlines
Deal found 6/12$226
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:30 amMKE - SFO
1 stop9h 16mAlaska Airlines
Wed 9/106:00 amSFO - MKE
1 stop15h 59mAlaska Airlines
Deal found 6/10$250
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/22:47 pmMKE - SFO
1 stop6h 58mUnited Airlines
Tue 7/82:30 pmSFO - MKE
1 stop7h 29mUnited Airlines
Deal found 6/10$251
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 10/187:15 amMKE - SFO
1 stop7h 16mDelta
Mon 11/1012:40 amSFO - MKE
1 stop8h 34mDelta
Deal found 6/10$257
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/113:20 pmMKE - SFO
1 stop8h 00mHawaiian Airlines
Tue 9/162:42 pmSFO - MKE
1 stop7h 17mHawaiian Airlines
Deal found 6/10$265
This Sun Country Air deal was found by Cheapflights users on 6/11. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/106:30 pmMKE - SFO
1 stop6h 23mSun Country Air
Sun 7/1311:59 pmSFO - MKE
1 stop15h 48mSun Country Air
Deal found 6/11$315
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/87:58 pmMKE - SFO
1 stop6h 21mFrontier
Mon 8/116:37 amSFO - MKE
1 stop10h 36mFrontier
Deal found 6/11$316
This Trip.com deal was found by Cheapflights users on 6/12. 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.
Sun 6/156:35 pmMKE - SFO
1 stop15h 33mMultiple Airlines
Thu 6/195:45 amSFO - MKE
1 stop12h 40mMultiple Airlines
Deal found 6/12$456

Cheapflights Fare Finder

Customize your flight search to find flights from Milwaukee to San Francisco 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Milwaukee to San Francisco that are best for you.

Fly from

Milwaukee

Fly to

San Francisco

Route

Depart

Return

Price

MilwaukeeSan Francisco

MKE - SFO

MKESFO

Milwaukee-Mitchell

Tue 7/1

4:55 pm-9:20 pm

1 stop6h 25m

San Francisco

Fri 7/4

5:00 am-2:05 pm

1 stop7h 05m

$221

MilwaukeeSan Francisco

MKE - SFO

MKESFO

Milwaukee-Mitchell

Tue 7/1

2:33 pm-10:53 pm

1 stop10h 20m

San Francisco

Fri 7/4

9:15 am-10:02 pm

2 stops10h 47m

$226

MilwaukeeSan Francisco

MKE - SFO

MKESFO

Milwaukee-Mitchell

Wed 9/3

6:30 am-1:46 pm

1 stop9h 16m

San Francisco

Wed 9/10

6:00 am-11:59 pm

1 stop15h 59m

$250

MilwaukeeSan Francisco

MKE - SFO

MKESFO

Milwaukee-Mitchell

Wed 7/2

2:47 pm-7:45 pm

1 stop6h 58m

San Francisco

Tue 7/8

2:30 pm-11:59 pm

1 stop7h 29m

$251

MilwaukeeSan Francisco

MKE - SFO

MKESFO

Milwaukee-Mitchell

Wed 8/13

6:30 am-1:28 pm

1 stop8h 58m

San Francisco

Fri 8/15

12:40 am-10:45 am

1 stop8h 05m

$257

MilwaukeeSan Francisco

MKE - SFO

MKESFO

Milwaukee-Mitchell

Thu 7/10

6:30 pm-10:53 pm

1 stop6h 23m

San Francisco

Sun 7/13

11:59 pm-5:47 pm

1 stop15h 48m

$315

MilwaukeeSan Francisco

MKE - SFO

MKESFO

Milwaukee-Mitchell

Fri 8/8

7:58 pm-12:19 am

1 stop6h 21m

San Francisco

Mon 8/11

6:37 am-7:13 pm

1 stop10h 36m

$316

MilwaukeeSan Francisco

MKE - SFO

MKESFO

Milwaukee-Mitchell

Sun 7/27

6:24 pm-8:05 am

1 stop15h 41m

San Francisco

Sun 8/3

6:40 pm-1:56 pm

1 stop17h 16m

$407

MilwaukeeSan Francisco

MKE - SFO

MKESFO

Milwaukee-Mitchell

Fri 7/4

8:35 am-1:40 pm

1 stop7h 05m

$111

MilwaukeeSan Francisco

MKE - SFO

MKESFO

Milwaukee-Mitchell

Tue 8/12

6:30 am-1:45 pm

1 stop9h 15m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 16 results
1
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Best time to book a flight from Milwaukee to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Milwaukee with our price prediction graph.
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 Francisco

How far ahead should I book a flight from Milwaukee to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Milwaukee to San Francisco. Price data was last updated on June 9, 2025.

The best time to book flights from Milwaukee to San Francisco is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Milwaukee to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Milwaukee to San Francisco (average of $276). Flying from Milwaukee to San Francisco in June is currently the most expensive (average of $364). 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 SFO?

Find hourly flight availability from Milwaukee to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 23% on flights from Milwaukee to San Francisco by exploring options for tickets in the evening.

What is the cheapest day to fly from Milwaukee to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Milwaukee to San Francisco. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Milwaukee to San Francisco flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 Francisco. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Milwaukee to San Francisco by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Milwaukee to San Francisco round-trip?

    According to our current data, Southwest ($221), American Airlines ($226), and Alaska Airlines ($250) offers the cheapest pricing from Milwaukee to San Francisco. Southwest is 37% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Milwaukee to San Francisco one-way?

    The cheapest airlines for a one-way flight from Milwaukee to San Francisco are United Airlines ($111), Alaska Airlines ($125), and American Airlines ($126).

  • Can I find deals for flights from Milwaukee to San Francisco that include hotel bookings?

    Yes. In addition to deals on Milwaukee to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Milwaukee to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Milwaukee to San Francisco.

  • Can I find deals for business class flights from Milwaukee to San Francisco?

    Yes. Cheapflights offers flight deals from Milwaukee to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Milwaukee to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Milwaukee to San Francisco (average of $276). Flying from Milwaukee to San Francisco in June is currently the most expensive (average of $364). 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.

See more FAQs

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Roseville
Mountain View
South San Francisco
Livermore
Turlock
Santa Cruz
Manteca
Fairfield
Watsonville
Antioch
Hollister
Milpitas
Newark
Hayward
Alameda
Sunnyvale
Daly City
Union City
Campbell
Capitola

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Alternative routes for Milwaukee to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Milwaukee to San Francisco

Discover the top 6 airlines that operate flights from Milwaukee to San Francisco. 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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$126Average$218FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$218Average$333FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$230Average$369FlexibilityNo cancel feeOn-time69%
DeltaCheapest$251Average$348FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$260Average$435FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$279Average$377FlexibilityNo cancel feeOn-time83%

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