HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Fremont

$69+ Cheap flights from Oregon 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SFO
Jun 29 — Jul 61
Mon 6/29
Mon 7/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oregon 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.

Cheap flight deals from Oregon to Fremont

Cheapest flights from Oregon to Fremont
Explore the most affordable flight options available from Oregon to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 30, 2026.

This Southwest deal was found by Cheapflights users on 5/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:15 pm
PDX
-
SFO
1 stop7h 45m
Southwest
Tue 7/71:10 pm
SFO
-
PDX
2 stops8h 45m
Southwest
Deal found 5/26$162
This Southwest deal was found by Cheapflights users on 5/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:50 am
PDX
-
SFO
2 stops6h 50m
Southwest
Tue 8/2511:15 am
SFO
-
PDX
2 stops11h 00m
Southwest
Deal found 5/28$167
This Southwest deal was found by Cheapflights users on 5/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:55 pm
PDX
-
SFO
1 stop5h 25m
Southwest
Wed 7/2210:30 am
SFO
-
PDX
2 stops11h 40m
Southwest
Deal found 5/28$168
This Alaska Airlines deal was found by Cheapflights users on 5/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2310:42 am
PDX
-
SFO
Nonstop1h 57m
Alaska Airlines
Tue 6/233:02 pm
SFO
-
PDX
Nonstop1h 45m
Alaska Airlines
Deal found 5/27$172
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Tue 6/235:15 am
PDX
-
SFO
Nonstop1h 46m
United Airlines
Wed 6/2410:52 pm
SFO
-
PDX
Nonstop1h 58m
United Airlines
Deal found 5/26$173
This United Airlines deal was found by Cheapflights users on 5/26. 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 6/171:14 pm
PDX
-
SFO
Nonstop1h 51m
United Airlines
Wed 6/2410:52 pm
SFO
-
PDX
Nonstop1h 58m
United Airlines
Deal found 5/26$176
This Alaska Airlines deal was found by Cheapflights users on 5/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:22 pm
RDM
-
SFO
Nonstop1h 48m
Alaska Airlines
Sat 10/314:03 pm
SFO
-
RDM
Nonstop1h 39m
Alaska Airlines
Deal found 5/27$177
This Alaska Airlines deal was found by Cheapflights users on 5/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:53 pm
PDX
-
SFO
Nonstop2h 01m
Alaska Airlines
Mon 9/1411:57 am
SFO
-
PDX
Nonstop1h 53m
Alaska Airlines
Deal found 5/28$177
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:30 am
PDX
-
SFO
1 stop4h 06m
Delta
Mon 8/1010:45 am
SFO
-
PDX
1 stop6h 29m
Delta
Deal found 5/27$179
This Kissandfly.com deal was found by Cheapflights users on 5/27. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:36 pm
PDX
-
SFO
Nonstop1h 54m
Alaska Airlines
Tue 6/238:15 am
SFO
-
PDX
1 stop8h 27m
Alaska Airlines
Deal found 5/27$181
This Alaska Airlines deal was found by Cheapflights users on 5/26. 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 10/289:33 pm
PDX
-
SFO
Nonstop1h 56m
Alaska Airlines
Sun 11/111:39 am
SFO
-
PDX
Nonstop1h 51m
Alaska Airlines
Deal found 5/26$182
This Trip.com deal was found by Cheapflights users on 5/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:16 pm
PDX
-
SFO
1 stop7h 07m
Multiple Airlines
Tue 7/283:02 pm
SFO
-
PDX
Nonstop1h 45m
Multiple Airlines
Deal found 5/25$183

Find flight deals from Oregon to Fremont

Keep the following information in mind while searching for Oregon to Fremont flight deals. Data was last updated May 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$162
(Southwest)

One-way from

$69
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$262
Provider with most accurate pricing for Portland-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-San Francisco flights.
Search Deals
From Oregon to Fremont
Search Deals
One-way flight from Oregon to Fremont
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon 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 May 30, 2026.
Use the filters below to find and compare flights from Oregon to Fremont that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 8/5

7:50 am-2:40 pm

2 stops6h 50m

San Francisco

Tue 8/11

4:40 pm-9:55 pm

1 stop5h 15m

$162

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 8/4

7:50 am-2:40 pm

2 stops6h 50m

San Francisco

Wed 8/26

5:50 am-2:05 pm

2 stops8h 15m

$167

EugeneSan Francisco

EUG - SFO

EUGSFO

Eugene

Thu 7/16

6:00 am-7:35 am

Nonstop1h 35m

San Francisco

Sun 7/19

9:15 pm-10:59 pm

Nonstop1h 44m

$193

EugeneSan Francisco

EUG - SFO

EUGSFO

Eugene

Fri 8/28

1:57 pm-3:35 pm

Nonstop1h 38m

San Francisco

Mon 8/31

10:05 am-11:43 am

Nonstop1h 38m

$193

EugeneSan Francisco

EUG - SFO

EUGSFO

Eugene

Fri 10/16

6:00 am-7:37 am

Nonstop1h 37m

San Francisco

Wed 10/21

6:50 pm-8:30 pm

Nonstop1h 40m

$193

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 6/24

5:50 pm-11:25 pm

1 stop5h 35m

San Francisco

Thu 6/25

6:45 pm-1:20 am

1 stop6h 35m

$207

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 7/8

5:50 pm-11:59 pm

1 stop6h 09m

San Francisco

Wed 7/15

5:55 am-10:35 am

1 stop4h 40m

$218

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 7/29

5:55 pm-11:20 pm

1 stop5h 25m

San Francisco

Sun 8/2

6:50 pm-1:05 am

1 stop6h 15m

$222

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 7/7

2:46 pm-7:41 pm

1 stop4h 55m

San Francisco

Tue 7/7

10:08 pm-11:52 pm

Nonstop1h 44m

$226

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Tue 10/27

5:45 pm-11:57 pm

1 stop7h 12m

San Francisco

Wed 11/11

7:00 pm-12:04 am

1 stop4h 04m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/27

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Oregon to Fremont

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

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

Find hourly flight availability from Oregon 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 May 30, 2026.

When flying from Oregon to Fremont, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 24% versus a flight in the evening.

Weekly flight availability from Oregon to Fremont

Explore weekly flight availability from Oregon 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 May 30, 2026.

The most flights from USOR to FR8 are scheduled on a Thursday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

How much does it cost to fly round-trip from Oregon to Fremont?

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

Use this chart to determine the cheapest time to fly round-trip from Oregon to Fremont. Price data was last updated on May 23, 2026.

Travelers seeking maximum savings on their Oregon 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.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Oregon to Fremont flight route?

    Within the past month, 131 users have taken a look at flights from Oregon to Fremont.

  • How long is the flight from Oregon to Fremont?

    For as low as $193, Southwest can have you in Fremont from Oregon in 1h 35m. The distance from Oregon to Fremont is about 451 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $38 on Hawaiian Airlines. Other airlines that offer cheap prices include Frontier from $44 and Alaska Airlines from $58 one-way.

  • What are the most popular routes from Oregon to Fremont?

    The most popular flight routes from Oregon to Fremont are Portland - San Francisco, Boise Air Term. Gowen Fld - San Francisco and Eugene - San Francisco.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Oregon to Fremont on time: Qatar Airways (91%), SkyWest Airlines (81%), Air China (79%).

  • What are the cheapest flights from Oregon to Fremont?

    On average you can expect to pay $902 for a flight from Oregon to Fremont. The cheapest flight overall is $96 while the most popular route, (Portland - San Francisco) is currently priced at $137.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oregon 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.

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.

Alternative routes for Oregon to Fremont

See prices for flight routes from nearby airports that may be better suited for you.
Newark to San Francisco flights
John F Kennedy Intl to San Francisco flights
LaGuardia to San Francisco flights
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
Newark to Los Angeles flights
John F Kennedy Intl to Los Angeles flights
Newark to Las Vegas flights
Seattle to Los Angeles flights
Hobby to Las Vegas flights
O'Hare Intl to Las Vegas flights
John F Kennedy Intl to Las Vegas flights
Los Angeles to Las Vegas flights
Dulles Intl to Las Vegas flights
Seattle to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
George Bush Intcntl to Las Vegas flights
Hobby to Los Angeles flights
LaGuardia to Los Angeles flights
Reagan-National to Los Angeles flights
San Francisco to Las Vegas flights
O'Hare Intl to Los Angeles flights
Atlanta to Los Angeles flights
Dallas/Fort Worth to Ontario flights
LaGuardia to Las Vegas flights
Atlanta to Las Vegas flights
Baltimore to Los Angeles flights
John F Kennedy Intl to San Jose flights
Dulles Intl to Los Angeles flights
San Francisco to Ontario flights
San Francisco to Los Angeles flights
Los Angeles to San Francisco flights
Reagan-National to Las Vegas flights
Newark to San Jose flights
George Bush Intcntl to Los Angeles flights
John F Kennedy Intl to Oakland flights
John F Kennedy Intl to Ontario flights
Boston to Las Vegas flights
Denver to Las Vegas flights
Detroit to Las Vegas flights
Dulles Intl to San Francisco flights
Boston to Los Angeles flights
Boston to San Francisco flights
Orlando to Las Vegas flights
Baltimore to Las Vegas flights
Seattle to San Francisco flights
San Francisco to San Diego flights
Newark to San Diego flights
O'Hare Intl to San Francisco flights
Santa Ana to Las Vegas flights

Top 7 airlines flying from Oregon to Fremont

Discover the top 7 airlines that operate flights from Oregon 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 May 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$44Average$99FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$66Average$152FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$68Average$202FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$117Average$287FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$117Average$302FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$120Average$267FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$262Average$493FlexibilityNo 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.