$88+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SFO
Jun 11 — Jun 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland 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 Portland to Fremont are usually found in January or October, booked 85 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Portland to Fremont
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to FremontExplore 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 May 12, 2026.
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 May 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 6/410:40 am
PDX
- SFO
Nonstop2h 01m
Alaska Airlines
Tue 6/93:00 pm
SFO
- PDX
Nonstop1h 50m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$167
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:00 am
PDX
- SFO
Nonstop2h 01m
Multiple Airlines
Wed 6/108:45 pm
SFO
- PDX
1 stop23h 02m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$169
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 6/97:00 am
PDX
- SFO
Nonstop2h 01m
Alaska Airlines
Wed 6/107:20 am
SFO
- PDX
Nonstop1h 42m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$172
This Vliegwinkel deal was found by Cheapflights users on 5/9. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/302:51 pm
PDX
- SFO
Nonstop1h 57m
Alaska Airlines
Mon 6/17:40 am
SFO
- PDX
Nonstop1h 49m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$173
This Southwest deal was found by Cheapflights users on 5/12. 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 9/14:00 pm
PDX
- SFO
1 stop5h 20m
Southwest
Thu 9/36:45 am
SFO
- PDX
1 stop5h 20m
Southwest
Deal found 5/12![Southwest logo]()
$174
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 6/167:19 am
PDX
- SFO
Nonstop1h 57m
Alaska Airlines
Tue 6/1612:08 pm
SFO
- PDX
Nonstop1h 42m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 5/12. 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 8/1111:25 am
PDX
- SFO
2 stops7h 40m
Southwest
Thu 8/136:45 am
SFO
- PDX
1 stop5h 20m
Southwest
Deal found 5/12![Southwest logo]()
$179
This Southwest deal was found by Cheapflights users on 5/8. 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 6/211:15 am
PDX
- SFO
1 stop7h 50m
Southwest
Thu 6/48:45 am
SFO
- PDX
1 stop8h 40m
Southwest
Deal found 5/8![Southwest logo]()
$182
This United Airlines deal was found by Cheapflights users on 5/11. 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 6/96:03 pm
PDX
- SFO
Nonstop1h 50m
United Airlines
Thu 6/1110:52 pm
SFO
- PDX
Nonstop1h 58m
United Airlines
Deal found 5/11![United Airlines logo]()
$183
This Southwest deal was found by Cheapflights users on 5/11. 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.
Sat 6/65:25 am
PDX
- SFO
1 stop9h 20m
Southwest
Wed 6/171:10 pm
SFO
- PDX
2 stops8h 40m
Southwest
Deal found 5/11![Southwest logo]()
$185
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 6/105:36 pm
PDX
- SFO
Nonstop1h 54m
Alaska Airlines
Sun 6/217:20 am
SFO
- PDX
Nonstop1h 42m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$187
Best flights from Portland to FremontDiscover carefully curated flight deals from Portland to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 12, 2026.
Discover carefully curated flight deals from Portland to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 12, 2026.
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Fri 6/51:14 pm
PDX
- SFO
Nonstop1h 50m
United Airlines
Wed 6/109:05 pm
SFO
- PDX
Nonstop1h 58m
United Airlines
Deal found 5/10![United Airlines logo]()
$167
This Delta deal was found by Cheapflights users on 5/11. 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.
Fri 6/55:51 pm
PDX
- SFO
1 stop6h 12m
Delta
Tue 6/910:35 am
SFO
- PDX
1 stop4h 11m
Delta
Deal found 5/11![Delta logo]()
$187
This Southwest deal was found by Cheapflights users on 5/11. 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.
Fri 6/55:35 pm
PDX
- SFO
1 stop5h 50m
Southwest
Mon 6/85:40 pm
SFO
- PDX
2 stops6h 50m
Southwest
Deal found 5/11![Southwest logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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.
Fri 7/35:36 pm
PDX
- SFO
Nonstop1h 54m
Alaska Airlines
Sat 7/47:20 am
SFO
- PDX
Nonstop1h 42m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 5/11. 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.
Fri 7/175:50 pm
PDX
- SFO
1 stop6h 09m
Delta
Tue 7/215:30 pm
SFO
- PDX
1 stop4h 30m
Delta
Deal found 5/11![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 5/8. 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.
Fri 6/56:00 pm
PDX
- SFO
1 stop6h 30m
Southwest
Sat 6/63:15 pm
SFO
- PDX
2 stops8h 10m
Southwest
Deal found 5/8![Southwest logo]()
$222
This Delta deal was found by Cheapflights users on 5/11. 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.
Sat 7/185:30 am
PDX
- SFO
1 stop4h 08m
Delta
Tue 7/215:55 am
SFO
- PDX
1 stop5h 46m
Delta
Deal found 5/11![Delta logo]()
$207
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Fri 6/58:35 am
PDX
- SFO
Nonstop1h 50m
United Airlines
Mon 6/89:05 pm
SFO
- PDX
Nonstop1h 58m
United Airlines
Deal found 5/11![United Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 5/11. 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 7/78:45 am
PDX
- SFO
2 stops7h 55m
Southwest
Thu 7/911:00 am
SFO
- PDX
2 stops10h 00m
Southwest
Deal found 5/11![Southwest logo]()
$224
This Southwest deal was found by Cheapflights users on 5/11. 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.
Thu 6/44:25 pm
PDX
- SFO
1 stop5h 10m
Southwest
Sun 6/72:10 pm
SFO
- PDX
2 stops9h 45m
Southwest
Deal found 5/11![Southwest logo]()
$228
This Southwest deal was found by Cheapflights users on 5/11. 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.
Fri 6/55:35 pm
PDX
- SFO
1 stop5h 50m
Southwest
Sun 6/75:05 am
SFO
- PDX
2 stops7h 10m
Southwest
Deal found 5/11![Southwest logo]()
$242
Last-minute flights from Portland to FremontDiscover last-minute flight deals from Portland to Fremont. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Fremont. Data last updated May 12, 2026 and is based on user searches.
This Vliegwinkel deal was found by Cheapflights users on 5/9. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/302:51 pm
PDX
- SFO
Nonstop1h 57m
Alaska Airlines
Mon 6/17:40 am
SFO
- PDX
Nonstop1h 49m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$173
This Southwest deal was found by Cheapflights users on 5/8. 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 6/211:15 am
PDX
- SFO
1 stop7h 50m
Southwest
Thu 6/48:45 am
SFO
- PDX
1 stop8h 40m
Southwest
Deal found 5/8![Southwest logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 6/410:40 am
PDX
- SFO
Nonstop2h 01m
Alaska Airlines
Tue 6/93:00 pm
SFO
- PDX
Nonstop1h 50m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 5/12. 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.
Thu 6/47:25 am
PDX
- SFO
2 stops6h 15m
Southwest
Tue 6/162:55 pm
SFO
- PDX
2 stops6h 55m
Southwest
Deal found 5/12![Southwest logo]()
$184
This Southwest deal was found by Cheapflights users on 5/11. 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.
Sat 6/65:25 am
PDX
- SFO
1 stop9h 20m
Southwest
Wed 6/173:35 pm
SFO
- PDX
1 stop8h 30m
Southwest
Deal found 5/11![Southwest logo]()
$179
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:00 am
PDX
- SFO
Nonstop2h 01m
Multiple Airlines
Wed 6/108:45 pm
SFO
- PDX
1 stop23h 02m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$169
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 6/97:00 am
PDX
- SFO
Nonstop2h 01m
Alaska Airlines
Wed 6/107:20 am
SFO
- PDX
Nonstop1h 42m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$172
This United Airlines deal was found by Cheapflights users on 5/11. 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 6/96:03 pm
PDX
- SFO
Nonstop1h 50m
United Airlines
Thu 6/1110:52 pm
SFO
- PDX
Nonstop1h 58m
United Airlines
Deal found 5/11![United Airlines logo]()
$183
This Expedia deal was found by Cheapflights users on 5/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:20 pm
PDX
- SFO
1 stop7h 07m
Multiple Airlines
Wed 6/177:20 am
SFO
- PDX
Nonstop1h 42m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$174
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 6/105:36 pm
PDX
- SFO
Nonstop1h 54m
Alaska Airlines
Sun 6/217:20 am
SFO
- PDX
Nonstop1h 42m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 6/167:19 am
PDX
- SFO
Nonstop1h 57m
Alaska Airlines
Tue 6/1612:08 pm
SFO
- PDX
Nonstop1h 42m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$177
One-way flights from Portland to FremontSearch for one-way flight options from Portland to Fremont. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
Search for one-way flight options from Portland to Fremont. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 11/55:50 pm
PDX
- SFO
Nonstop1h 58m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$88
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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.
Mon 6/15:59 pm
PDX
- SFO
Nonstop1h 57m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$89
This CheapOair deal was found by Cheapflights users on 5/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:59 pm
PDX
- SFO
Nonstop1h 57m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$96
This United Airlines deal was found by Cheapflights users on 5/10. 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
Deal found 5/10![United Airlines logo]()
$98
This Delta deal was found by Cheapflights users on 5/11. 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.
Mon 6/15:51 pm
PDX
- SFO
1 stop6h 12m
Delta
Deal found 5/11![Delta logo]()
$99
This Delta deal was found by Cheapflights users on 5/7. 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.
Thu 6/45:30 am
PDX
- SFO
1 stop4h 04m
Delta
Deal found 5/7![Delta logo]()
$104
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Fri 6/55:15 am
PDX
- SFO
Nonstop1h 46m
United Airlines
Deal found 5/11![United Airlines logo]()
$109
This Trip.com deal was found by Cheapflights users on 5/9. 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.
Sat 5/3012:35 pm
PDX
- SFO
1 stop11h 48m
Frontier
Deal found 5/9![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 5/9. 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 7/2312:26 pm
PDX
- SFO
1 stop8h 28m
Frontier
Deal found 5/9![Frontier logo]()
$115
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 May 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $167 (Alaska Airlines) |
One-way from | $88 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $257 |
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 May 12, 2026.
Use the filters below to find and compare flights from Portland to Fremont that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Fri 6/5
1:14 pm-3:04 pm
Nonstop1h 50m
San Francisco
Wed 6/10
9:05 pm-11:03 pm
Nonstop1h 58m
$167
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Fri 6/5
5:51 pm-12:03 am
1 stop6h 12m
San Francisco
Tue 6/9
10:35 am-2:46 pm
1 stop4h 11m
$187
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Fri 7/17
5:50 pm-11:59 pm
1 stop6h 09m
San Francisco
Tue 7/21
5:30 pm-10:00 pm
1 stop4h 30m
$207
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Sat 7/18
5:30 am-9:38 am
1 stop4h 08m
San Francisco
Tue 7/21
5:55 am-11:41 am
1 stop5h 46m
$207
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Fri 6/5
5:35 pm-11:25 pm
1 stop5h 50m
San Francisco
Mon 6/8
5:40 pm-12:30 am
2 stops6h 50m
$222
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Fri 6/5
6:00 pm-12:30 am
1 stop6h 30m
San Francisco
Sat 6/6
3:15 pm-11:25 pm
2 stops8h 10m
$222
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Tue 7/7
8:45 am-4:40 pm
2 stops7h 55m
San Francisco
Thu 7/9
11:00 am-9:00 pm
2 stops10h 00m
$224
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Thu 6/4
4:25 pm-9:35 pm
1 stop5h 10m
San Francisco
Sun 6/7
2:10 pm-11:55 pm
2 stops9h 45m
$228
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Fri 6/5
8:35 am-10:25 am
Nonstop1h 50m
San Francisco
Mon 6/8
9:05 pm-11:03 pm
Nonstop1h 58m
$232
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Fri 6/5
5:35 pm-11:25 pm
1 stop5h 50m
San Francisco
Sun 6/7
5:05 am-12:15 pm
2 stops7h 10m
$242
Showing 1-10 of 23 resultsSorted by cheapest first
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.
PDX-SFO
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
PDX-FR8
PDX-SFO
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 May 12, 2026.
It’s typically best to fly out from Portland to Fremont at noon. Doing so could potentially save you 34% 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 May 9, 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 May 12, 2026.
The most flights from PDX to FR8 are scheduled on a Tuesday (48 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (17 on average).
How much does it cost to fly round-trip from Portland to Fremont?
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 May 12, 2026.
See what other customers who have flown with Alaska Airlines,Hawaiian Airlines, andUnited 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.
Entertainment
7.0
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Boarding
8.1
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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.
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
Complete your trip
Flights by cabin class
Other flight options
Other flights from Portland
Popular flights
Top destinations
Alternative routes for Portland to Fremont
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Fremont by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Fremont by cabin class
Find flights from Portland to Fremont, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Fremont flights
Browse other Portland and Fremont flight options. Last updated on May 12, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on May 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Fremont flights
Consider these flights traveling from Portland to Fremont.
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 May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$42 | Average$97 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$66 | Average$152 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$77 | Average$213 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$251 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$118 | Average$275 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$121 | Average$233 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$262 | Average$439 | FlexibilityNo cancel fee | On-time71% |