C$171 Cheap Flights from Kansas City International (MCI) to San Francisco International (SFO)

Compare Kansas City International to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

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Flight deals from Kansas City International to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Kansas City International Airport to San Francisco International Airport? If you want to travel next month, return fares start from C$363. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kansas City International to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kansas City International to San Francisco International flights are currently cheapest in June.

Which airlines fly from Kansas City International to San Francisco International?

Kansas City to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundC$171
Cheapest month to flyJune
Average flight time4 hrs, 2 mins
Most popular airlineUnited
Average flights per week31

Finding cheap flights from Kansas City International to San Francisco International: Frequently asked questions

The best price we found for a return flight from Kansas City International to San Francisco International is C$352. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 2 minutes is the average flight time from Kansas City International to San Francisco International.
United, Air New Zealand and Southwest Airlines fly direct from Kansas City International to San Francisco International.
As of June 2026, there are 31 flights per week flying from Kansas City International to San Francisco International.
The cheapest month to fly from Kansas City International to San Francisco International is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kansas City International Airport to San Francisco International Airport on Saturday, June 27, 2026.
Yes – the average flight time is 4 hours and 2 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and United offer the cheapest flight tickets to San Francisco International.

Flying from Kansas City International Airport (MCI) to San Francisco International Airport (SFO): what you need to know

  • The average duration of a direct flight from Kansas City International Airport to San Francisco International Airport is 3 hours 50 minutes. San Francisco's timezone is UTC-7, which makes San Francisco 2 hours behind Kansas City.

  • Flights from Kansas City International Airport to San Francisco International Airport start from 06:00 — the first with United Airlines. The last departure is the 18:55 option with United Airlines. Overall, there are 11 services every week between MCI and SFO.

  • Hopping on a plane during a peak time like July? Popular periods (like spring break, summer and New Year) can add another hour at security. Be extra cautious and arrive up to four hours before an international flight and two hours before domestic departures.

  • Flying into San Francisco (and seeing more of United States!) is simple with United Airlines. This popular carrier runs direct flights from Kansas City International Airport to San Francisco International Airport.

  • We make it a piece of cake to get a flight with a stopover. To see all the options for flights from Kansas City International Airport to San Francisco International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to tour your chosen city. Popular stopovers between MCI and SFO include:

    • Phoenix Sky Harbor International Airport

    • Harry Reid Airport (formerly McCarran Airport)

    • Denver International Airport

  • When flying within United States, you don't need a passport or visa. However, you'll have to bring some kind of identification, such as a driver's license or ID card. Once you've booked your cheap ticket from MCI to SFO, check your ID is valid before you travel.

How to find the cheapest flights from Kansas City International Airport (MCI) to San Francisco International Airport (SFO)

  • The lowest price we've found for a one-way ticket from Kansas City International Airport to San Francisco International Airport is C$171. For a return flight on this route, the best price is C$352. Depending on the availability and when you book, these fares can change.

  • To snag cheap flight tickets from MCI to SFO, book your trip 1 month ahead of your planned departure.

  • Schedule your trip for September. That's the cheapest month for flight tickets from Kansas City International Airport to San Francisco International Airport. If you're flexible with your dates, use the 'Whole month' tool to find the cheapest price across every month.

  • Snapping up a cheap ticket from MCI to SFO is easy with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as the price has dropped.

  • Play around with filters to find the right trip for you. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Kansas City International Airport to San Francisco International Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Kansas City International Airport (MCI)

  • Traveling from central Kansas City to Kansas City International Airport takes approximately 1 hour and 8 minutes by public transport. If you drive, ride-share or hail a cab, you'll cover the 32 kilometres in 22 minutes or so, depending on traffic.

  • Need a handy hotel close to MCI? If you've booked an early flight from Kansas City International Airport to San Francisco International Airport, these stays will have you moments from your check-in counter:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport is approximately 21 kilometres from the center of San Francisco. With your own car rental or if you take a cab, the drive is about 20 minutes.

  • If you're traveling by public transport, expect a journey of around 47 minutes.

When to fly to San Francisco International Airport (SFO)

  • The quietest month for a flight from Kansas City International Airport to San Francisco International Airport is February, while August is the most popular. Choose the best time to visit San Francisco based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book your flight from Kansas City International Airport to San Francisco International Airport for September if you want to go to San Francisco during its warmest month. Expect temperatures of between 12ºC and 22ºC.

  • January has average temperatures of between 6ºC and 16ºC. Search for cheap flight tickets from MCI to SFO sometime then if you like cooler conditions.

More about San Francisco

  • Start your San Francisco trip right by finding the perfect place to stay. After booking your flight from MCI to SFO, check out our selection of hotel options including:

  • Golden Gate Bridge and Alcatraz Island are a couple of top-rated attractions to put on your San Francisco must-do list. Continue your sightseeing adventures at Lombard Street.

Complete your San Francisco trip with hotels and a car rental

  • You've got your cheap ticket to San Francisco International Airport — now it's time to find somewhere to stay, and maybe even a set of wheels. We've compared prices across hundreds of companies to bring you the best hotels and car rental deals in San Francisco.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.