$175 Cheap Flights from Hamilton (YHM) to San Francisco (SFO)

View $175 flight on Fri, Aug 29, 2025Opens in a new window

Popular airlines from John C. Munro Hamilton Intl. Airport (YHM) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Hamilton to San Francisco (YHM-SFO)

Prices were available within the past 7 days and start at $175 for one-way flights and $310 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Sun, Aug 31 - Thu, Sep 4
YHM
Hamilton
SFO
San Francisco
$310 Roundtrip, found 1 hour ago
$310
Roundtrip
found 1 hour ago
Select WestJet flight, departing Sun, Aug 31 from Hamilton to San Francisco, returning Thu, Sep 4, priced at $310 found 1 hour ago
WestJet
Fri, Sep 12 - Mon, Sep 15
YHM
Hamilton
SFO
San Francisco
$317 Roundtrip, found 1 hour ago
$317
Roundtrip
found 1 hour ago
Select WestJet flight, departing Fri, Sep 12 from Hamilton to San Francisco, returning Mon, Sep 15, priced at $317 found 1 hour ago
Air Canada
Thu, Sep 4 - Sun, Sep 7
YHM
Hamilton
SFO
San Francisco
$327 Roundtrip, just found
$327
Roundtrip
just found
Select Air Canada flight, departing Thu, Sep 4 from Hamilton to San Francisco, returning Sun, Sep 7, priced at $327 just found
Air Canada
Thu, Aug 21 - Wed, Sep 3
YHM
Hamilton
SFO
San Francisco
$329 Roundtrip, found 4 days ago
$329
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Aug 21 from Hamilton to San Francisco, returning Wed, Sep 3, priced at $329 found 4 days ago
WestJet
Sun, Aug 31 - Mon, Sep 8
YHM
Hamilton
SFO
San Francisco
$336 Roundtrip, found 1 day ago
$336
Roundtrip
found 1 day ago
Select WestJet flight, departing Sun, Aug 31 from Hamilton to San Francisco, returning Mon, Sep 8, priced at $336 found 1 day ago
WestJet
Sat, Aug 30 - Thu, Sep 4
YHM
Hamilton
SFO
San Francisco
$337 Roundtrip, found 3 days ago
$337
Roundtrip
found 3 days ago
Select WestJet flight, departing Sat, Aug 30 from Hamilton to San Francisco, returning Thu, Sep 4, priced at $337 found 3 days ago
WestJet
Thu, Sep 18 - Sun, Sep 21
YHM
Hamilton
SFO
San Francisco
$344 Roundtrip, found 1 hour ago
$344
Roundtrip
found 1 hour ago
Select WestJet flight, departing Thu, Sep 18 from Hamilton to San Francisco, returning Sun, Sep 21, priced at $344 found 1 hour ago
Air Canada
Mon, Nov 24 - Sat, Nov 29
YHM
Hamilton
SFO
San Francisco
$344 Roundtrip, found 4 days ago
$344
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Nov 24 from Hamilton to San Francisco, returning Sat, Nov 29, priced at $344 found 4 days ago
WestJet
Mon, Sep 15 - Sat, Sep 20
YHM
Hamilton
SFO
San Francisco
$356 Roundtrip, found 1 day ago
$356
Roundtrip
found 1 day ago
Select WestJet flight, departing Mon, Sep 15 from Hamilton to San Francisco, returning Sat, Sep 20, priced at $356 found 1 day ago
WestJet
Fri, Aug 29 - Thu, Sep 4
YHM
Hamilton
SFO
San Francisco
$363 Roundtrip, found 3 days ago
$363
Roundtrip
found 3 days ago
Select WestJet flight, departing Fri, Aug 29 from Hamilton to San Francisco, returning Thu, Sep 4, priced at $363 found 3 days ago

Alternative airports near San Francisco

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

Select flight to San Francisco Intl. SFO. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $441
SFO
San Francisco Intl.
CheapestClosest
Average driving time to city center19 min
Flights from $441
Flights from Hamilton (YHM) to San Francisco (SFO)
Origin airport
John C. Munro Hamilton Intl.
Destination airport
San Francisco Intl.
Airlines serving
Air Canada, WestJet
Roundtrip price
$310
Distance
2242 mi

Hamilton to San Francisco Flights

The cheapest times to fly from Hamilton 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 Hamilton to San Francisco are during the month of August. You can find some of the cheapest flights from Hamilton to San Francisco with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Hamilton 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 Hamilton 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 Hamilton to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $175 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 Hamilton 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 Hamilton 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 John C. Munro Hamilton Intl. Airport (YHM) to San Francisco Intl. Airport (SFO) cost?
Snag a cheap one-way flight from $175 or cheap return flight from $310 from John C. Munro Hamilton Intl. Airport (YHM) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from John C. Munro Hamilton Intl. Airport (YHM) to San Francisco Intl. Airport (SFO)?
August is the least expensive month to fly from YHM to SFO. Traveling outside of peak seasons is often the key to finding better deals on flights.
Which airlines fly direct from John C. Munro Hamilton Intl. Airport (YHM) to San Francisco Intl. Airport (SFO)?
You can't catch a nonstop flight to San Francisco Intl. Airport (SFO) from Hamilton, ON (YHM-John C. Munro Hamilton Intl.). However, you can easily journey to San Francisco without any layovers by leaving from Pearson Intl. Airport (YYZ).
What is the cheapest airline that flies from John C. Munro Hamilton Intl. Airport (YHM) to San Francisco Intl. Airport (SFO)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest YHM to SFO flight.
How many flights per day from John C. Munro Hamilton Intl. Airport (YHM) to San Francisco Intl. Airport (SFO)?
You'll have to catch a flight with a layover when traveling from John C. Munro Hamilton Intl. Airport (YHM) to San Francisco Intl. Airport (SFO). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from YHM to SFO?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from John C. Munro Hamilton Intl. Airport (YHM) to San Francisco Intl. Airport (SFO)?
To avoid potential delays on the John C. Munro Hamilton Intl. Airport (YHM) to San Francisco Intl. Airport (SFO) route, aim to fly before 3 PM. Later flights are 22% more likely to be canceled.**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 John C. Munro Hamilton Intl. Airport (YHM) to San Francisco Intl. Airport (SFO) last-minute?
Last-minute bookings from YHM to SFO are typically more expensive. For the lowest rates, start looking for flights well in advance. That being said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a YHM to SFO flight and hotel package?
You can save money by booking a YHM to SFO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your preferred flights and accommodations, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from John C. Munro Hamilton Intl. Airport (YHM) to San Francisco Intl. Airport (SFO)?
It's generally possible to cancel or reschedule your YHM to SFO flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.