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C$ 179+ Cheap flights to Palo Alto

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Flights to Palo Alto in 2025

Find the latest flights to Palo Alto in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 11 September 2025.

Round-trip from

C$ 305

One-way from

C$ 179

Popular in

December

Cheapest in

April

Average price

C$ 582
WestJet
  • WestJet
  • 2/10-6/10
  • 2 total stops
  • 17h 44m total
  • Toronto to San Francisco
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WestJet
  • WestJet
  • 7/10
  • 1 total stop
  • 8h 54m total
  • Toronto to Palo Alto
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Highest demand for flights based on searches. 5% potential increase in price (C$ 44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals to Palo Alto

Cheapest flights to Palo Alto
Explore the most affordable flight options available to Palo Alto. Find the lowest fares based on data from user searches, with prices last updated on 11 September 2025.

Wed 1/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Wed 8/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 9/9C$ 342
Tue 7/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Fri 17/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 11/9C$ 352
Wed 8/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Sun 12/107:30 a.m.SFO - YHM
1 stop14h 10mWestJet
Deal found 10/9C$ 353
Fri 3/106:00 a.m.YHM - SFO
1 stop18h 24mWestJet
Mon 6/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 9/9C$ 363
Tue 21/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Tue 28/101:00 p.m.SFO - YHM
1 stop25h 17mWestJet
Deal found 9/9C$ 366
Tue 7/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Tue 14/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 9/9C$ 374
Fri 3/1012:00 p.m.YYZ - SFO
2 stops12h 24mWestJet
Mon 13/102:45 p.m.SFO - YYZ
1 stop19h 53mWestJet
Deal found 11/9C$ 381
Fri 3/106:00 a.m.YKF - SFO
1 stop18h 24mWestJet
Thu 9/1012:50 p.m.SFO - YKF
1 stop8h 55mWestJet
Deal found 9/9C$ 382
Thu 2/1010:40 a.m.YYZ - SFO
1 stop10h 27mMultiple Airlines
Wed 12/118:00 a.m.SFO - YYZ
1 stop8h 55mMultiple Airlines
Deal found 9/9C$ 382
Fri 17/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Mon 20/107:30 a.m.SFO - YHM
1 stop14h 10mWestJet
Deal found 9/9C$ 384
Tue 14/1010:25 p.m.YYZ - SFO
2 stops16h 29mWestJet
Tue 21/1012:50 p.m.SFO - YYZ
1 stop8h 32mWestJet
Deal found 9/9C$ 384
Wed 15/1010:25 p.m.YYZ - SFO
1 stop25h 59mWestJet
Wed 22/1012:50 p.m.SFO - YYZ
2 stops14h 01mWestJet
Deal found 10/9C$ 385

Cheapflights Fare Finder

 
Locate flights to Palo Alto that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 11 September 2025.
Use the filters below to find and compare flights to Palo Alto that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 7/10

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Tue 14/10

12:50 p.m.-12:40 a.m.

1 stop8h 50m

C$ 374

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Mon 6/10

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Mon 13/10

2:45 p.m.-12:40 a.m.

2 stops30h 55m

C$ 391

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sat 18/10

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Wed 22/10

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 394

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sat 18/10

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Fri 24/10

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 394

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Tue 14/10

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Fri 24/10

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 394

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 17/10

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Fri 24/10

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 394

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 17/10

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Wed 22/10

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 394

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Tue 14/10

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Thu 23/10

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 394

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Sat 11/10

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Fri 17/10

12:50 p.m.-12:40 a.m.

1 stop8h 50m

C$ 394

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sun 19/10

6:15 a.m.-9:24 p.m.

2 stops18h 09m

San Francisco

Fri 24/10

12:50 p.m.-5:15 a.m.

1 stop13h 25m

C$ 420

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 results
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Best time to book a flight to Palo Alto

Have a flexible travel schedule? Discover the best time to fly to Palo Alto 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 to Palo Alto

When is the best time to book a flight to Palo Alto?

Use this chart to determine the optimal time to book a round-trip flight from Toronto to Palo Alto. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight to Palo Alto, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to Palo Alto?

On average, a flight from Toronto to Palo Alto takes 8 hours 2 minutes. Flights to Palo Alto from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Palo Alto?

Use this chart to determine the cheapest time to fly round-trip from Toronto to Palo Alto. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Palo Alto should consider flying on Thursday at noon, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday evenings, when prices are usually at their highest.

Weekly flight availability to Palo Alto

The most flights from Toronto to Palo Alto are scheduled on a Wednesday (21 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (16 on average).

What are the most popular airlines that fly to Palo Alto?

The most popular airlines flying from Toronto to Palo Alto are Air Canada, Porter Airlines and WestJet.

Air Canada
Air Canada
From C$ 119
WestJet
WestJet
From C$ 102
Porter Airlines
Porter Airlines
From C$ 182
United Airlines
United Airlines
From C$ 114

What are the cheapest airlines that fly to Palo Alto?

The cheapest airlines flying from Toronto to Palo Alto are American Airlines, WestJet and Delta.

Rainfall in Palo Alto by month

Plan your trip to Palo Alto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Palo Alto 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 Palo Alto when rainfall is around 0.0 mm.

Temperature in Palo Alto by month

Plan your trip to Palo Alto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Palo Alto, 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).

Reviews of airlines servicing Palo Alto

Get insights into the airlines that provide service to Palo Alto. 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 Palo Alto. Reviews last updated 11 September 2025.
Read through reviews of airlines serving the United States, such as Porter Airlines,Air Transat, andUnited Airlines. 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.
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,937 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

FAQs about flying to Palo Alto

  • Can I find cheaper flights to Palo Alto if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Palo Alto on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Palo Alto?

    Based on reviews from Cheapflights users, Flair Airlines is rated the highest out of the airlines that fly to Palo Alto.

  • How much is a round-trip flight to Palo Alto?

    A round-trip flight to Palo Alto will typically cost around C$ 332, however they can be found for as little as C$ 96.

  • Where does the fastest flight to Palo Alto depart from?

    For those looking to save time traveling to Palo Alto, Vancouver offers the quickest one-way flight (2 hours 19 minutes).

  • Does San Francisco have rental cars?

    Yes. Those touching down at San Francisco can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to San Francisco?

    Yes. San Francisco has hotels nearby for those requiring accommodations. Grand Hyatt At Sfo is the closest property to San Francisco (1.6 km away from San Francisco).

See more FAQs

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