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C$ 201+ 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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
— SFO
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

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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 29 October 2025.

Thu 11/127:55 p.m.YYZ - SFO
1 stop14h 53mMultiple Airlines
Mon 15/124:59 p.m.SFO - YYZ
1 stop10h 21mMultiple Airlines
Deal found 28/10C$ 379
Thu 4/129:35 a.m.YYZ - SFO
1 stop13h 28mMultiple Airlines
Mon 8/124:59 p.m.SFO - YYZ
1 stop10h 21mMultiple Airlines
Deal found 28/10C$ 381
Wed 10/129:35 a.m.YYZ - SFO
1 stop10h 16mMultiple Airlines
Sun 14/125:46 p.m.SFO - YYZ
1 stop9h 34mMultiple Airlines
Deal found 28/10C$ 384
Sun 14/127:55 p.m.YYZ - SFO
1 stop14h 53mMultiple Airlines
Mon 15/124:59 p.m.SFO - YYZ
1 stop10h 21mMultiple Airlines
Deal found 28/10C$ 386
Thu 27/119:45 a.m.YYZ - SFO
Nonstop5h 55mMultiple Airlines
Thu 4/1210:15 a.m.SFO - YYZ
3 stops16h 43mMultiple Airlines
Deal found 28/10C$ 390
Thu 4/129:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Sun 7/121:40 p.m.SFO - YYZ
Nonstop4h 59mPorter Airlines
Deal found 28/10C$ 391
Thu 20/118:05 a.m.YYZ - SFO
Nonstop5h 49mAir Canada
Wed 26/112:30 p.m.SFO - YYZ
Nonstop4h 58mAir Canada
Deal found 28/10C$ 397
Thu 27/119:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Tue 2/121:40 p.m.SFO - YYZ
Nonstop4h 59mPorter Airlines
Deal found 29/10C$ 398
Fri 5/129:45 a.m.YYZ - SFO
1 stop26h 45mMultiple Airlines
Mon 8/124:59 p.m.SFO - YYZ
1 stop10h 21mMultiple Airlines
Deal found 28/10C$ 400
Sat 22/113:30 p.m.YTZ - SFO
1 stop8h 52mAir Canada
Sat 6/128:25 a.m.SFO - YTZ
1 stop10h 10mAir Canada
Deal found 27/10C$ 444
Tue 25/113:30 p.m.YTZ - SFO
1 stop8h 52mAir Canada
Tue 2/128:25 a.m.SFO - YTZ
1 stop10h 10mAir Canada
Deal found 28/10C$ 458
Fri 5/127:05 a.m.YKF - SFO
2 stops29h 25mMultiple Airlines
Sun 7/1210:15 a.m.SFO - YKF
2 stops16h 13mMultiple Airlines
Deal found 28/10C$ 464

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 29 October 2025.

Round-trip from

C$ 359

One-way from

C$ 201

Popular in

December

Cheapest in

April

Average price

C$ 555
12/1-18/1
  • 12/1-18/1
  • 2 total stops
  • 33h 41m total
  • Toronto to San Francisco
Search Deals
WestJet
  • WestJet
  • 13/1
  • 1 total stop
  • 9h 27m total
  • Toronto to Palo Alto
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 29 October 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

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 8/1

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

1 stop8h 52m

San Francisco

Sun 18/1

1:00 p.m.-5:28 a.m.

1 stop13h 28m

C$ 373

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 15/1

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

1 stop8h 52m

San Francisco

Sun 18/1

1:00 p.m.-5:28 a.m.

1 stop13h 28m

C$ 379

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Mon 12/1

6:10 p.m.-12:12 p.m.

1 stop21h 02m

San Francisco

Sun 18/1

1:00 p.m.-5:17 p.m.

1 stop25h 17m

C$ 430

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 8/12

9:45 a.m.-12:40 p.m.

Nonstop5h 55m

San Francisco

Thu 22/1

1:40 p.m.-9:37 p.m.

Nonstop4h 57m

C$ 439

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Sat 22/11

3:30 p.m.-9:22 p.m.

1 stop8h 52m

San Francisco

Sat 6/12

8:25 a.m.-9:35 p.m.

1 stop10h 10m

C$ 444

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Tue 16/12

3:30 p.m.-9:22 p.m.

1 stop8h 52m

San Francisco

Thu 8/1

8:25 a.m.-9:35 p.m.

1 stop10h 10m

C$ 444

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 18/11

6:30 a.m.-9:35 a.m.

Nonstop6h 05m

San Francisco

Tue 25/11

7:30 a.m.-8:54 p.m.

1 stop10h 24m

C$ 446

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Tue 9/12

3:30 p.m.-9:22 p.m.

1 stop8h 52m

San Francisco

Thu 11/12

8:25 a.m.-9:35 p.m.

1 stop10h 10m

C$ 458

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Sat 17/1

3:30 p.m.-9:22 p.m.

1 stop8h 52m

San Francisco

Sat 24/1

8:25 a.m.-7:55 p.m.

1 stop8h 30m

C$ 458

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Thu 8/1

6:10 p.m.-12:12 p.m.

1 stop21h 02m

San Francisco

Sun 18/1

1:00 p.m.-5:17 p.m.

1 stop25h 17m

C$ 458

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

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 24 October 2025.

To ensure you get the cheapest price possible for a flight to Palo Alto, you should look to book at least 50 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 11 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.

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$ 164
Porter Airlines
Porter Airlines
From C$ 319
WestJet
WestJet
From C$ 152
United Airlines
United Airlines
From C$ 159

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 29 October 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
8.0
Very good
384 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

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
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

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
7.8
Good
469 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

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
9,001 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

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
3,148 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

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
10,371 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

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$ 69, however they can be found for as little as C$ 69.

  • 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 24 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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