Fremont

$59+ Cheap flights from Sky Harbor Intl (PHX) to Fremont, CA

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SFO
Feb 28 — Mar 71
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sky Harbor Intl to Fremont with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Fremont are usually found in February or October, booked 60 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Sky Harbor Intl to Fremont

Cheapest flights from Sky Harbor Intl to Fremont
Explore the most affordable flight options available from Sky Harbor Intl to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Frontier deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:00 am
PHX
-
SFO
Nonstop2h 20m
Frontier
Sun 2/223:59 pm
SFO
-
PHX
Nonstop2h 05m
Frontier
Deal found 1/27$72
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/265:19 pm
PHX
-
SFO
Nonstop2h 21m
Frontier
Sun 3/2910:15 pm
SFO
-
PHX
Nonstop2h 08m
Frontier
Deal found 1/28$74
This Super.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:00 am
PHX
-
SFO
Nonstop2h 17m
Frontier
Sun 3/19:16 pm
SFO
-
PHX
Nonstop2h 05m
Frontier
Deal found 1/27$79
This Priceline deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:40 pm
PHX
-
SFO
Nonstop2h 18m
Frontier
Sat 2/287:08 pm
SFO
-
PHX
Nonstop2h 07m
Frontier
Deal found 1/28$80
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:30 pm
PHX
-
SFO
Nonstop2h 16m
Frontier
Sun 5/36:41 pm
SFO
-
PHX
Nonstop2h 11m
Frontier
Deal found 1/28$85
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:27 pm
PHX
-
SFO
1 stop10h 34m
Frontier
Mon 3/910:35 pm
SFO
-
PHX
Nonstop2h 08m
Frontier
Deal found 1/27$86
This WAYA deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:40 pm
PHX
-
SFO
Nonstop2h 18m
Frontier
Mon 3/22:25 pm
SFO
-
PHX
1 stop5h 09m
Frontier
Deal found 1/28$87
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:00 am
PHX
-
SFO
Nonstop2h 17m
Frontier
Tue 3/37:15 pm
SFO
-
PHX
1 stop17h 40m
Frontier
Deal found 1/28$88
This Frontier deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:09 pm
PHX
-
SFO
Nonstop2h 21m
Frontier
Mon 3/910:35 pm
SFO
-
PHX
Nonstop2h 08m
Frontier
Deal found 1/27$90
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/158:50 am
PHX
-
SFO
Nonstop2h 25m
Frontier
Wed 3/116:00 am
SFO
-
PHX
1 stop11h 46m
Frontier
Deal found 1/28$91
This Frontier deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/264:40 pm
PHX
-
SFO
Nonstop2h 18m
Frontier
Sat 2/286:15 am
SFO
-
PHX
1 stop10h 56m
Frontier
Deal found 1/27$92

Find flight deals from Sky Harbor Intl to Fremont

Keep the following information in mind while searching for Sky Harbor Intl to Fremont flight deals. Data was last updated January 29, 2026.

Round-trip from

$72
(Frontier)

One-way from

$59
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$179
From Phoenix Sky Harbor Intl to Fremont
One-way flight from Phoenix Sky Harbor Intl to Fremont
Highest demand for flights based on searches. 8% potential increase in price ($16 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl to Fremont that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Fremont that are best for you.

Fly from

Sky Harbor Intl

Fly to

Fremont

Route

Depart

Return

Price

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Fri 2/13

7:00 am-8:17 am

Nonstop2h 17m

San Francisco

Sun 2/15

3:59 pm-7:04 pm

Nonstop2h 05m

$110

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Sat 2/14

4:40 pm-5:58 pm

Nonstop2h 18m

San Francisco

Sun 2/15

3:59 pm-7:04 pm

Nonstop2h 05m

$111

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Sat 2/28

5:25 pm-6:30 pm

Nonstop2h 05m

San Francisco

Mon 3/2

5:30 am-8:20 am

Nonstop1h 50m

$131

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Mon 3/2

8:55 pm-10:05 pm

Nonstop2h 10m

San Francisco

Wed 3/4

2:35 pm-5:30 pm

Nonstop1h 55m

$134

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Sat 2/14

4:40 pm-5:58 pm

Nonstop2h 18m

San Francisco

Wed 2/18

7:15 pm-8:20 am

1 stop12h 05m

$134

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Fri 4/3

6:00 am-8:16 am

Nonstop2h 16m

San Francisco

Mon 4/6

10:03 pm-12:09 am

Nonstop2h 06m

$141

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Sat 4/4

10:25 am-12:34 pm

Nonstop2h 09m

San Francisco

Tue 4/7

12:25 pm-2:40 pm

Nonstop2h 15m

$155

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Tue 3/10

7:29 am-9:45 am

Nonstop2h 16m

San Francisco

Tue 3/24

6:00 am-9:52 am

1 stop3h 52m

$156

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Tue 3/10

7:22 am-9:55 am

Nonstop2h 33m

San Francisco

Sat 3/14

6:00 am-8:05 am

Nonstop2h 05m

$159

PhoenixSan Francisco

PHX - SFO

PHXSFO

Phoenix Sky Harbor Intl

Thu 4/30

1:35 pm-3:41 pm

Nonstop2h 06m

San Francisco

Sat 5/2

6:00 am-8:05 am

Nonstop2h 05m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Sky Harbor Intl to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from Sky Harbor Intl 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 from Phoenix Sky Harbor Intl Airport to Fremont

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Fremont?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Fremont. Price data was last updated on January 23, 2026.

To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Fremont, you should look to book at least 35 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.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Fremont?

Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Fremont (average of $50). Flying from Phoenix Sky Harbor Intl Airport to Fremont in September is currently the most expensive (average of $86). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to FR8?

Find hourly flight availability from Sky Harbor Intl to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 34% on flights from Phoenix Sky Harbor Intl Airport to Fremont by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Fremont?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Fremont. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Fremont flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix Sky Harbor Intl Airport to Fremont

Explore weekly flight availability from Sky Harbor Intl to Fremont. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from PHX to FR8 are scheduled on a Monday (34 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).

Reviews of airlines servicing Fremont

Get insights into the airlines that provide service to Fremont. 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 Fremont. Reviews last updated January 29, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and United Airlines from Phoenix Sky Harbor Intl Airport to Fremont have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Phoenix Sky Harbor Intl Airport to Fremont?

    Frontier and Southwest can get you from Phoenix Sky Harbor Intl Airport to Fremont in just under 2h 05m. Your travel time will be generally consistent. The distance between Phoenix Sky Harbor Intl Airport and Fremont is about 650 mi. All flights are typically nonstop.

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Fremont one-way?

    The cheapest airlines for a one-way flight from Phoenix Sky Harbor Intl Airport to Fremont are Frontier ($32), Allegiant Air ($48), and Southwest ($54).

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Fremont?

    Before booking your flight to Fremont from Phoenix Sky Harbor Intl Airport, check out the most reliable airlines to get you to your destination on time: Envoy Air (100%), Air China (94%), ANA( 92%).

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Fremont?

    The cheapest flight price from Phoenix Sky Harbor Intl Airport to Fremont is $57. On average you can expect to pay $826. The most popular route, (Phoenix Sky Harbor Intl - San Francisco), can usually be booked for $89.

  • Can I find deals for flights from Sky Harbor Intl to Fremont that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Fremont flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Fremont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Fremont.

  • Can I find deals for business class flights from Sky Harbor Intl to Fremont?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Fremont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Fremont?

    Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Fremont (average of $50). Flying from Phoenix Sky Harbor Intl Airport to Fremont in September is currently the most expensive (average of $86). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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.

Top 7 airlines flying from Sky Harbor Intl to Fremont

Discover the top 7 airlines that operate flights from Sky Harbor Intl to Fremont. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$138FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$68Average$137FlexibilityNo cancel feeOn-time85%
Allegiant AirCheapest$90Average$137FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$93Average$217FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$103Average$250FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$105Average$238FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$126Average$240FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.