$75+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SFO
Apr 29 — May 61
Round-trip
1 adult, Economy
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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 August, booked 86 days in advance, depart on a Friday or Thursday and return on a Monday
Cheap flight deals from Portland to Fremont
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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 March 30, 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 March 30, 2026.
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:59 pm
PDX
- SFO
1 stop5h 36m
Delta
Sat 5/22:57 pm
SFO
- PDX
1 stop3h 55m
Delta
Deal found 3/26![Delta logo]()
$149
This CheapOair deal was found by Cheapflights users on 3/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:38 pm
PDX
- SFO
1 stop10h 47m
Frontier
Wed 4/296:29 pm
SFO
- PDX
1 stop17h 21m
Frontier
Deal found 3/27![Frontier logo]()
$151
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:28 pm
PDX
- SFO
1 stop20h 45m
Multiple Airlines
Fri 4/172:39 pm
SFO
- PDX
Nonstop1h 51m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$152
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 5/15:35 pm
PDX
- SFO
Nonstop2h 00m
United Airlines
Sun 5/311:01 pm
SFO
- PDX
Nonstop1h 58m
United Airlines
Deal found 3/26![United Airlines logo]()
$153
This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:50 pm
PDX
- SFO
Nonstop1h 56m
Multiple Airlines
Thu 5/73:33 pm
SFO
- PDX
1 stop5h 18m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$155
This Southwest deal was found by Cheapflights users on 3/26. 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.
Sat 4/259:35 am
PDX
- SFO
1 stop11h 45m
Southwest
Sat 5/211:05 am
SFO
- PDX
1 stop6h 40m
Southwest
Deal found 3/26![Southwest logo]()
$156
This Travelocity deal was found by Cheapflights users on 3/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:27 pm
PDX
- SFO
1 stop10h 58m
Multiple Airlines
Wed 4/292:31 pm
SFO
- PDX
Nonstop1h 51m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$160
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:05 am
PDX
- SFO
1 stop6h 54m
Delta
Thu 4/305:59 am
SFO
- PDX
1 stop3h 59m
Delta
Deal found 3/25![Delta logo]()
$161
This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:15 am
PDX
- SFO
1 stop7h 50m
Southwest
Thu 4/3010:10 am
SFO
- PDX
1 stop7h 15m
Southwest
Deal found 3/25![Southwest logo]()
$162
This Trip.com deal was found by Cheapflights users on 3/25. 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.
Sat 4/1810:48 am
PDX
- SFO
Nonstop1h 59m
Hawaiian Airlines
Tue 4/216:40 pm
SFO
- PDX
Nonstop1h 52m
Hawaiian Airlines
Deal found 3/25![Hawaiian Airlines logo]()
$163
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:27 pm
PDX
- SFO
1 stop20h 46m
Multiple Airlines
Mon 4/202:39 pm
SFO
- PDX
Nonstop1h 51m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$164
This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:59 pm
PDX
- SFO
Nonstop1h 57m
Multiple Airlines
Wed 6/108:30 pm
SFO
- PDX
1 stop15h 11m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$165
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 March 30, 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 March 30, 2026.
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:59 pm
PDX
- SFO
1 stop5h 36m
Delta
Tue 4/212:57 pm
SFO
- PDX
1 stop6h 35m
Delta
Deal found 3/25![Delta logo]()
$149
This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:00 pm
PDX
- SFO
1 stop7h 50m
Southwest
Mon 6/86:45 pm
SFO
- PDX
1 stop6h 35m
Southwest
Deal found 3/25![Southwest logo]()
$173
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 5/510:51 am
PDX
- SFO
Nonstop1h 58m
Alaska Airlines
Wed 5/67:40 am
SFO
- PDX
Nonstop1h 50m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:32 pm
PDX
- SFO
1 stop4h 05m
Delta
Wed 5/205:55 am
SFO
- PDX
1 stop5h 44m
Delta
Deal found 3/25![Delta logo]()
$149
This Delta deal was found by Cheapflights users on 3/27. 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 5/275:30 am
PDX
- SFO
1 stop4h 04m
Delta
Tue 6/25:55 am
SFO
- PDX
1 stop5h 42m
Delta
Deal found 3/27![Delta logo]()
$149
This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:10 am
PDX
- SFO
2 stops10h 15m
Southwest
Tue 4/217:40 am
SFO
- PDX
1 stop6h 10m
Southwest
Deal found 3/25![Southwest logo]()
$195
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:30 am
PDX
- SFO
1 stop6h 59m
Delta
Sun 5/105:55 am
SFO
- PDX
1 stop5h 44m
Delta
Deal found 3/25![Delta logo]()
$173
This Delta deal was found by Cheapflights users on 3/29. 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 5/75:51 pm
PDX
- SFO
1 stop6h 14m
Delta
Mon 5/115:55 am
SFO
- PDX
1 stop5h 44m
Delta
Deal found 3/29![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 3/29. 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 4/236:05 pm
PDX
- SFO
1 stop5h 32m
Delta
Mon 4/275:59 am
SFO
- PDX
1 stop6h 53m
Delta
Deal found 3/29![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 3/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:05 pm
PDX
- SFO
1 stop5h 32m
Delta
Mon 5/45:59 am
SFO
- PDX
1 stop6h 53m
Delta
Deal found 3/28![Delta logo]()
$197
Last-minute flights from Portland to FremontDiscover last-minute flight deals from Portland to Fremont. Data last updated March 30, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Fremont. Data last updated March 30, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:28 pm
PDX
- SFO
1 stop20h 45m
Multiple Airlines
Fri 4/172:39 pm
SFO
- PDX
Nonstop1h 51m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$152
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Thu 4/163:30 pm
PDX
- SFO
Nonstop1h 51m
United Airlines
Sun 4/1910:35 pm
SFO
- PDX
Nonstop2h 09m
United Airlines
Deal found 3/26![United Airlines logo]()
$153
This Trip.com deal was found by Cheapflights users on 3/25. 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.
Sat 4/1810:48 am
PDX
- SFO
Nonstop1h 59m
Hawaiian Airlines
Tue 4/216:40 pm
SFO
- PDX
Nonstop1h 52m
Hawaiian Airlines
Deal found 3/25![Hawaiian Airlines logo]()
$163
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:27 pm
PDX
- SFO
1 stop20h 46m
Multiple Airlines
Mon 4/202:39 pm
SFO
- PDX
Nonstop1h 51m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$164
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:46 pm
PDX
- SFO
Nonstop1h 57m
Alaska Airlines
Sat 4/257:40 am
SFO
- PDX
Nonstop1h 50m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$169
This CheapOair deal was found by Cheapflights users on 3/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:38 pm
PDX
- SFO
1 stop10h 47m
Frontier
Wed 4/296:29 pm
SFO
- PDX
1 stop17h 21m
Frontier
Deal found 3/27![Frontier logo]()
$151
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:59 pm
PDX
- SFO
1 stop5h 36m
Delta
Sat 5/22:57 pm
SFO
- PDX
1 stop3h 55m
Delta
Deal found 3/26![Delta logo]()
$149
This Southwest deal was found by Cheapflights users on 3/26. 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.
Sat 4/259:35 am
PDX
- SFO
1 stop11h 45m
Southwest
Sat 5/211:05 am
SFO
- PDX
1 stop6h 40m
Southwest
Deal found 3/26![Southwest logo]()
$156
This Travelocity deal was found by Cheapflights users on 3/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:27 pm
PDX
- SFO
1 stop10h 58m
Multiple Airlines
Wed 4/292:31 pm
SFO
- PDX
Nonstop1h 51m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$160
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:05 am
PDX
- SFO
1 stop6h 54m
Delta
Thu 4/305:59 am
SFO
- PDX
1 stop3h 59m
Delta
Deal found 3/25![Delta logo]()
$161
This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:15 am
PDX
- SFO
1 stop7h 50m
Southwest
Thu 4/3010:10 am
SFO
- PDX
1 stop7h 15m
Southwest
Deal found 3/25![Southwest logo]()
$162
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 March 30, 2026.
Search for one-way flight options from Portland to Fremont. Find affordable one-way fares based on user searches. Data last updated March 30, 2026.
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:05 pm
PDX
- SFO
1 stop5h 32m
Delta
Deal found 3/25![Delta logo]()
$75
This CheapOair deal was found by Cheapflights users on 3/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:38 pm
PDX
- SFO
1 stop10h 47m
Frontier
Deal found 3/27![Frontier logo]()
$76
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Sun 5/241:17 pm
PDX
- SFO
Nonstop1h 51m
United Airlines
Deal found 3/26![United Airlines logo]()
$77
This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:40 am
PDX
- SFO
2 stops6h 35m
Southwest
Deal found 3/25![Southwest logo]()
$81
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:51 pm
PDX
- SFO
1 stop6h 14m
Delta
Deal found 3/26![Delta logo]()
$87
This United Airlines deal was found by Cheapflights users on 3/29. 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 5/65:20 am
PDX
- SFO
Nonstop1h 49m
United Airlines
Deal found 3/29![United Airlines logo]()
$89
This CheapOair deal was found by Cheapflights users on 3/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/303:05 pm
PDX
- SFO
1 stop6h 34m
Frontier
Deal found 3/28![Frontier logo]()
$90
This Southwest deal was found by Cheapflights users on 3/26. 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.
Fri 4/175:30 am
PDX
- SFO
2 stops7h 05m
Southwest
Deal found 3/26![Southwest logo]()
$92
This Super.com deal was found by Cheapflights users on 3/29. 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.
Sat 4/1812:27 pm
PDX
- SFO
1 stop20h 46m
Frontier
Deal found 3/29![Frontier logo]()
$95
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1912:45 pm
PDX
- SFO
1 stop23h 32m
Frontier
Deal found 3/27![Frontier logo]()
$96
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:15 am
PDX
- SFO
1 stop21h 58m
Frontier
Deal found 3/25![Frontier logo]()
$97
This Southwest deal was found by Cheapflights users on 3/28. 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 6/311:45 am
PDX
- SFO
1 stop6h 45m
Southwest
Deal found 3/28![Southwest logo]()
$99
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 March 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $149 (Delta) |
One-way from | $75 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $349 |
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 March 30, 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
Sat 4/18
5:59 pm-11:35 pm
1 stop5h 36m
San Francisco
Tue 4/21
2:57 pm-9:32 pm
1 stop6h 35m
$149
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Tue 5/5
7:32 pm-11:37 pm
1 stop4h 05m
San Francisco
Wed 5/20
5:55 am-11:39 am
1 stop5h 44m
$149
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Wed 5/27
5:30 am-9:34 am
1 stop4h 04m
San Francisco
Tue 6/2
5:55 am-11:37 am
1 stop5h 42m
$149
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Thu 6/4
5:00 pm-12:50 am
1 stop7h 50m
San Francisco
Mon 6/8
6:45 pm-1:20 am
1 stop6h 35m
$173
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Thu 5/7
5:30 am-12:29 pm
1 stop6h 59m
San Francisco
Sun 5/10
5:55 am-11:39 am
1 stop5h 44m
$173
Quickest round-trip
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Tue 5/5
10:51 am-12:49 pm
Nonstop1h 58m
San Francisco
Wed 5/6
7:40 am-9:30 am
Nonstop1h 50m
$177
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Sat 4/18
7:10 am-5:25 pm
2 stops10h 15m
San Francisco
Tue 4/21
7:40 am-1:50 pm
1 stop6h 10m
$195
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Thu 5/7
5:51 pm-12:05 am
1 stop6h 14m
San Francisco
Mon 5/11
5:55 am-11:39 am
1 stop5h 44m
$197
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Thu 4/23
6:05 pm-11:37 pm
1 stop5h 32m
San Francisco
Mon 4/27
5:59 am-12:52 pm
1 stop6h 53m
$197
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Mon 4/27
6:05 pm-11:37 pm
1 stop5h 32m
San Francisco
Mon 5/4
5:59 am-12:52 pm
1 stop6h 53m
$197
Showing 1-10 of 22 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
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 March 13, 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, July is the cheapest month in which you can book a flight from Portland to Fremont (average of $66). Flying from Portland to Fremont in February is currently the most expensive (average of $141). 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 March 30, 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 March 28, 2026.
Travelers seeking maximum savings on their Portland to Fremont flight should consider departing on Tuesday evenings 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 March 30, 2026.
The most flights from PDX to FR8 are scheduled on a Sunday (67 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (24 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 March 30, 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.
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.0
Comfort
7.8
Crew
8.5
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.
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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.
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 March 30, 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 March 30, 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 8 airlines flying from Portland to Fremont
Discover the top 8 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 March 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$44 | Average$98 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$60 | Average$138 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$77 | Average$215 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$88 | Average$159 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$115 | Average$243 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$118 | Average$229 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$119 | Average$268 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$257 | Average$493 | FlexibilityNo cancel fee | On-time71% |