In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from YHM to SFO?

When flying from Hamilton, Ontario to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Hamilton to San Francisco?

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

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

Yes. Cheapflights offers flight deals from Hamilton 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.

C$ 278+ Cheap Flights from Hamilton, ON to San Francisco

Cheap flight deals from Hamilton to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Hamilton to San Francisco
Explore the most affordable flight options available from Hamilton to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2026.

Thu 3/123:25 p.m. -

1 stop27h 25m

Mon 7/124:40 p.m. -

1 stop18h 45m

Deal found 20/10C$ 600

Thu 3/123:25 p.m. -

1 stop27h 25m

Wed 9/129:15 a.m. -

1 stop11h 50m

Deal found 19/10C$ 738

Sun 22/113:25 p.m. -

1 stop27h 25m

Fri 27/119:15 a.m. -

1 stop11h 53m

Deal found 19/10C$ 756

Thu 12/116:05 a.m. -

2 stops13h 01m

Wed 18/116:30 a.m. -

2 stops12h 35m

Deal found 21/10C$ 805

Wed 11/117:05 a.m. -

3 stops28h 14m

Mon 16/119:15 a.m. -

1 stop11h 53m

Deal found 21/10C$ 848

Tue 1/127:05 a.m. -

2 stops16h 08m

Mon 14/129:15 a.m. -

1 stop11h 50m

Deal found 19/10C$ 863

Thu 3/126:20 a.m. -

2 stops36h 14m

Thu 10/124:40 p.m. -

1 stop28h 52m

Deal found 19/10C$ 871

Wed 18/117:05 a.m. -

3 stops28h 14m

Wed 25/119:15 a.m. -

1 stop11h 53m

Deal found 21/10C$ 878

Find flight deals from Hamilton to San Francisco

Round-trip from	C$ 600
One-way from	C$ 278
Popular in	July
Cheapest in	January
Average price	C$ 572

WestJet
3/12-7/12
2 total stops
46h 10m total
Hamilton to San Francisco

Search Deals

3/12-31/12
3 total stops
33h 55m total
Hamilton to San Francisco

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 94 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hamilton to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HamiltonSan Francisco

YHM Hamilton - SFO San Francisco

YHMSFO

Hamilton

Tue 1/12

7:05 a.m.-8:13 p.m.

2 stops16h 08m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 455

HamiltonSan Francisco

YHM Hamilton - SFO San Francisco

YHMSFO

Hamilton

Sat 7/11

6:20 a.m.-12:20 a.m.

3 stops21h 00m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 502

HamiltonSan Francisco

YHM Hamilton - SFO San Francisco

YHMSFO

Hamilton

Thu 19/11

6:05 a.m.-3:50 p.m.

2 stops12h 45m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 528

HamiltonSan Francisco

YHM Hamilton - SFO San Francisco

YHMSFO

Hamilton

Thu 12/11

6:05 a.m.-3:50 p.m.

2 stops12h 45m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 530

HamiltonSan Francisco

YHM Hamilton - SFO San Francisco

YHMSFO

Hamilton

Thu 12/11

3:25 p.m.-3:50 p.m.

1 stop27h 25m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 541

Quickest round-trip

HamiltonSan Francisco

YHM Hamilton - SFO San Francisco

YHMSFO

Hamilton

Sat 30/1

7:05 a.m.-1:51 p.m.

1 stop9h 46m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 547

HamiltonSan Francisco

YHM Hamilton - SFO San Francisco

YHMSFO

Hamilton

Sun 1/11

3:25 p.m.-3:50 p.m.

1 stop27h 25m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 548

HamiltonSan Francisco

YHM Hamilton - SFO San Francisco

YHMSFO

Hamilton

Mon 16/11

7:05 a.m.-1:51 p.m.

1 stop9h 46m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 557

HamiltonSan Francisco

YHM Hamilton - SFO San Francisco

YHMSFO

Hamilton

Sun 8/11

3:25 p.m.-3:50 p.m.

1 stop27h 25m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 572

HamiltonSan Francisco

YHM Hamilton - SFO San Francisco

YHMSFO

Hamilton

Thu 28/1

6:05 a.m.-3:50 p.m.

2 stops12h 45m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 576

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/10

Showing 1-10 of 17 resultsSorted by cheapest first

Best time to book a flight from Hamilton to San Francisco

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

YHM-SFO

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.

Related info for your journey

Can I find deals for flights from Hamilton to San Francisco that include hotel bookings?
Yes. In addition to deals on Hamilton to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Hamilton to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hamilton to San Francisco.
Can I find deals for business class flights from Hamilton to San Francisco?
Yes. Cheapflights offers flight deals from Hamilton 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.

Santa Clara

San Bruno

Burlingame

Roseville

Livermore

South San Francisco

Novato

Manteca

Vallejo

Browse thousands of different options on Cheapflights for your next trip

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Toronto Island to San Diego flights

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Pearson Intl to Sacramento flights

Pierre Elliott Trudeau Intl to San Jose flights

Ottawa to San Francisco flights

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Pearson Intl to Oakland flights

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Pearson Intl to Reno flights

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Pearson Intl to Santa Barbara flights

Ottawa to San Diego flights

Ottawa to Sacramento flights

Windsor to Los Angeles flights

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Pearson Intl to Fresno flights

Hamilton to San Jose flights

Pierre Elliott Trudeau Intl to Sacramento flights

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Hamilton to Oakland flights

Hamilton to Palm Springs flights

Pearson Intl to San Luis Obispo flights

Hamilton to Santa Ana flights

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Cheap flights from Hamilton, ON to San Francisco from C$ 278

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hamilton to San Francisco

Cheapest flights from Hamilton to San FranciscoExplore the most affordable flight options available from Hamilton to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2026.

Explore the most affordable flight options available from Hamilton to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2026.

Best flights from Hamilton to San FranciscoDiscover carefully curated flight deals from Hamilton to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 October 2026.

Discover carefully curated flight deals from Hamilton to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 October 2026.

Last-minute flights from Hamilton to San FranciscoDiscover last-minute flight deals from Hamilton to San Francisco. Data last updated 22 October 2026 and is based on user searches.

Discover last-minute flight deals from Hamilton to San Francisco. Data last updated 22 October 2026 and is based on user searches.

One-way flights from Hamilton to San FranciscoSearch for one-way flight options from Hamilton to San Francisco. Find affordable one-way fares based on user searches. Data last updated 22 October 2026.

Search for one-way flight options from Hamilton to San Francisco. Find affordable one-way fares based on user searches. Data last updated 22 October 2026.

Find flight deals from Hamilton to San Francisco

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hamilton to San Francisco that are best for you.

Best time to book a flight from Hamilton to San Francisco

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

Related info for your journey

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

How can I find direct flights from Hamilton to San Francisco?

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

Travelling to a place near San Francisco?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hamilton to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to California

Book a non-stop flight to one of these other cities located in California.

Search flights from Hamilton to San Francisco by cabin class

Find flights from Hamilton to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hamilton and San Francisco flights

Browse other Hamilton and San Francisco flight options. Last updated on 22 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to San Francisco

Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 22 October 2026.

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How does Cheapflights help users find flights from Hamilton to San Francisco?

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Can Cheapflights find flights from Hamilton to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from Hamilton to San Francisco become cheaper?

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Cheapest flights from Hamilton to San Francisco
Explore the most affordable flight options available from Hamilton to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2026.

Best flights from Hamilton to San Francisco
Discover carefully curated flight deals from Hamilton to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 October 2026.

Last-minute flights from Hamilton to San Francisco
Discover last-minute flight deals from Hamilton to San Francisco. Data last updated 22 October 2026 and is based on user searches.

One-way flights from Hamilton to San Francisco
Search for one-way flight options from Hamilton to San Francisco. Find affordable one-way fares based on user searches. Data last updated 22 October 2026.