Fremont

$72+ Cheap flights from Portland (PDX) 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SFO
Feb 26 — Mar 51
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Cheapflights Tip: The best prices from Portland to Fremont are usually found in January or August, booked 86 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Portland to Fremont

Cheapest flights from Portland to Fremont
Explore the most affordable flight options available from Portland to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:00 am
PDX
-
SFO
1 stop5h 50m
Southwest
Tue 3/32:35 pm
SFO
-
PDX
1 stop8h 00m
Southwest
Deal found 1/27$151
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.
Sat 2/217:05 am
PDX
-
SFO
Nonstop2h 03m
Hawaiian Airlines
Mon 2/237:50 am
SFO
-
PDX
Nonstop1h 52m
Hawaiian Airlines
Deal found 1/27$152
This Jettzy deal was found by Cheapflights users on 1/25. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:05 am
PDX
-
SFO
Nonstop2h 03m
Alaska Airlines
Wed 3/1812:00 pm
SFO
-
PDX
Nonstop1h 50m
Alaska Airlines
Deal found 1/25$154
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:48 am
PDX
-
SFO
Nonstop2h 01m
Alaska Airlines
Tue 3/36:40 pm
SFO
-
PDX
Nonstop1h 54m
Alaska Airlines
Deal found 1/26$157
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Sat 2/282:46 pm
PDX
-
SFO
Nonstop1h 54m
Hawaiian Airlines
Thu 3/59:00 am
SFO
-
PDX
Nonstop1h 56m
Hawaiian Airlines
Deal found 1/25$158
This Frontier deal was found by Cheapflights users on 1/25. 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 4/1812:27 pm
PDX
-
SFO
1 stop10h 58m
Frontier
Tue 4/216:00 am
SFO
-
PDX
1 stop7h 02m
Frontier
Deal found 1/25$160
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:05 am
PDX
-
SFO
Nonstop2h 03m
Hawaiian Airlines
Thu 3/129:00 am
SFO
-
PDX
Nonstop1h 56m
Hawaiian Airlines
Deal found 1/27$162
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.
Thu 2/199:48 pm
PDX
-
SFO
Nonstop1h 56m
Hawaiian Airlines
Sun 2/229:00 am
SFO
-
PDX
Nonstop1h 56m
Hawaiian Airlines
Deal found 1/27$163
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:40 pm
PDX
-
SFO
Nonstop1h 54m
United Airlines
Thu 2/1910:35 pm
SFO
-
PDX
Nonstop1h 59m
United Airlines
Deal found 1/26$164

Find flight deals from Portland to Fremont

Keep the following information in mind while searching for Portland to Fremont flight deals. Data was last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$151
(Southwest)

One-way from

$72
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$147
Provider with most accurate pricing for Portland-San Francisco flight deals.
Provider most trusted by Cheapflights users for Portland-San Francisco flights.
From Portland to Fremont
One-way flight from Portland to Fremont
Highest demand for flights based on searches. 7% potential increase in price ($18 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($8 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 Portland 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 27, 2026.
Use the filters below to find and compare flights from Portland to Fremont that are best for you.

Fly from

Portland

Fly to

Fremont

Route

Depart

Return

Price

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 2/17

7:30 am-9:25 am

Nonstop1h 55m

San Francisco

Tue 2/24

5:05 pm-6:55 pm

Nonstop1h 50m

$157

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Mon 3/16

7:05 am-9:08 am

Nonstop2h 03m

San Francisco

Wed 3/18

8:00 am-9:50 am

Nonstop1h 50m

$164

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 3/5

10:48 am-12:49 pm

Nonstop2h 01m

San Francisco

Thu 3/5

2:58 pm-4:50 pm

Nonstop1h 52m

$166

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sun 3/15

7:05 am-9:08 am

Nonstop2h 03m

San Francisco

Tue 3/17

2:58 pm-4:50 pm

Nonstop1h 52m

$167

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 3/4

2:47 pm-4:44 pm

Nonstop1h 57m

San Francisco

Tue 3/17

10:35 am-4:41 pm

1 stop6h 06m

$167

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 3/4

3:52 pm-10:56 pm

1 stop7h 04m

San Francisco

Mon 3/16

6:40 pm-8:34 pm

Nonstop1h 54m

$174

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sat 5/16

5:46 pm-10:48 pm

1 stop5h 02m

San Francisco

Mon 5/18

7:40 am-9:29 am

Nonstop1h 49m

$174

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 2/19

2:47 pm-4:44 pm

Nonstop1h 57m

San Francisco

Sun 2/22

9:00 am-10:56 am

Nonstop1h 56m

$174

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Fri 5/15

7:00 am-9:01 am

Nonstop2h 01m

San Francisco

Mon 5/18

7:40 am-9:29 am

Nonstop1h 49m

$174

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Fri 3/13

7:30 am-9:25 am

Nonstop1h 55m

San Francisco

Sun 3/15

10:40 am-12:33 pm

Nonstop1h 53m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 24 results
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Best time to book a flight from Portland to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from Portland 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 Portland to Fremont

How far ahead should I book a flight from Portland to Fremont?

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

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Fremont. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland to Fremont?

Currently, January is the cheapest month in which you can book a flight from Portland to Fremont (average of $37). Flying from Portland to Fremont in March is currently the most expensive (average of $137). 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 PDX to FR8?

Find hourly flight availability from Portland 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 27, 2026.

It’s typically best to fly out from Portland to Fremont at noon. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Portland to Fremont?

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

Travelers seeking maximum savings on their Portland to Fremont flight should consider departing on Tuesday 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 Portland to Fremont

Explore weekly flight availability from Portland 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 27, 2026.

The most flights from PDX to FR8 are scheduled on a Tuesday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 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 27, 2026.
See what other customers who have flown with Alaska Airlines, Hawaiian Airlines, and United Airlines from Portland 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.

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

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

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

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

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

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

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

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

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

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

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

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 Portland to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Portland to Fremont?

    Most people fly from Portland (PDX) if they book a flight from Portland to Fremont. On average, Portland has 37 outbound flights to Fremont per day from 7 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • How popular is this Portland to Fremont flight route?

  • How long is the flight from Portland to Fremont?

    For as low as $157, United Airlines can have you in Fremont from Portland in 1h 55m. Portland and Fremont are separated by a distance of 550 mi. All flights are typically nonstop.

  • What are the cheapest airlines to fly from Portland to Fremont one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $39. However, be on the lookout for offers from Hawaiian Airlines and United Airlines, as they are both options that can get you from Portland to Fremont for a low price.

  • What are the most reliable airlines from Portland to Fremont?

    The top 3 most reliable airlines when flying from Portland to Fremont are Emirates (90%), Lufthansa (90%) and Horizon Air (90%).

  • What are the cheapest flights from Portland to Fremont?

    Looking for the cheapest flight from Portland to Fremont? While on average our users pay $883, our data indicates the cheapest price to be $71. The most popular route (Portland - San Francisco), is priced around $155.

  • Can I find deals for flights from Portland to Fremont that include hotel bookings?

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

  • How can I find direct flights from Portland to Fremont?

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

  • Can I find deals for business class flights from Portland to Fremont?

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Fremont?

    Currently, January is the cheapest month in which you can book a flight from Portland to Fremont (average of $37). Flying from Portland to Fremont in March is currently the most expensive (average of $137). 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

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Alternative routes for Portland to Fremont

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

Top 7 airlines flying from Portland to Fremont

Discover the top 7 airlines that operate flights from Portland 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$94FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$64Average$182FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$77Average$224FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$98Average$225FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$116Average$228FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$116Average$260FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$247Average$439FlexibilityNo cancel feeOn-time71%

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