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Cheap flights from Ottawa to Fremont from C$ 252

YOW — SFO
19 Oct — 26 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Fremont

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Fremont

Thu 15/1012:25 p.m. -
2 stops12h 30m
Thu 22/106:00 a.m. -
1 stop10h 20m
Deal found 15/9C$ 348
Thu 15/1012:25 p.m. -
2 stops12h 30m
Wed 21/106:05 p.m. -
1 stop8h 30m
Deal found 14/9C$ 353
Wed 14/106:55 a.m. -
2 stops12h 45m
Wed 21/106:05 p.m. -
1 stop8h 30m
Deal found 14/9C$ 379
Wed 7/107:20 a.m. -
1 stop17h 35m
Tue 13/106:00 a.m. -
1 stop8h 15m
Deal found 15/9C$ 402
Wed 7/107:20 a.m. -
1 stop17h 35m
Wed 21/106:05 p.m. -
1 stop8h 30m
Deal found 15/9C$ 404
Sat 17/1012:25 p.m. -
2 stops12h 30m
Sat 24/101:00 p.m. -
1 stop13h 35m
Deal found 15/9C$ 411

Find flight deals from Ottawa to Fremont

Round-trip from

C$ 348

One-way from

C$ 252

Popular in

July

Cheapest in

April

Average price

C$ 603
WestJet
  • WestJet
  • 15/10-22/10
  • 3 total stops
  • 22h 50m total
  • Ottawa to Fremont
Search Deals
6/10-31/12
  • 6/10-31/12
  • 2 total stops
  • 35h 13m total
  • Ottawa to Fremont
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ottawa to Fremont that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Sun 18/10

12:25 p.m.-9:55 p.m.

2 stops12h 30m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 278

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Tue 3/11

5:30 a.m.-12:45 p.m.

1 stop10h 15m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 340

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Mon 2/11

6:10 a.m.-3:50 p.m.

1 stop12h 40m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 348

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 15/10

12:25 p.m.-9:55 p.m.

2 stops12h 30m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 348

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Sun 1/11

5:30 a.m.-6:17 p.m.

2 stops15h 47m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 354

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Tue 6/10

8:55 a.m.-10:22 a.m.

3 stops28h 27m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 383

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 15/10

6:25 p.m.-12:20 p.m.

1 stop20h 55m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 413
Quickest round-trip

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Tue 6/10

7:00 a.m.-12:20 p.m.

1 stop8h 20m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 421

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Thu 8/10

6:50 a.m.-9:55 p.m.

2 stops18h 05m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 472

OttawaSan Francisco

YOW Ottawa - SFO San Francisco

YOWSFO

Ottawa

Wed 30/9

6:00 a.m.-8:50 p.m.

1 stop17h 50m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 477

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/9

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Ottawa to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from Ottawa with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Fremont

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

Airfare is below average for this route at the moment.
Ottawa to Fremont flights typically cost between C$ 525 and C$ 789 in October.
The cheapest round-trip price found within the last 5 days was C$ 348 on WestJet (15 Oct-22 Oct).

Reviews of airlines servicing Fremont

Check out reviews from past customers who have flown with Porter Airlines,Delta, andUnited Airlines from Ottawa to Fremont to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
462 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Porter Airlines
8.0
Very good
462 reviews
Porter Airlines
8.0
Very good
462 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Delta
7.8
Good
8,591 reviews
Porter Airlines
8.0
Very good
462 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
United Airlines
7.4
Good
10,229 reviews
Porter Airlines
8.0
Very good
462 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
WestJet
7.2
Good
3,446 reviews
Porter Airlines
8.0
Very good
462 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Canada
7.1
Good
11,654 reviews
Porter Airlines
8.0
Very good
462 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

Related info for your journey

  • What airport do you fly from for flights from Ottawa to Fremont?

    Ottawa (YOW) is the airport you will fly out of if you book a flight from Ottawa to Fremont. You should not have trouble finding flights to Fremont from Ottawa; the airport handles an average of 0 outbound flights to Fremont per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Ottawa airport to Fremont. It is only a 10.6 km journey to Ottawa (YOW) from Ottawa’s city centre.

  • How long is the flight from Ottawa to Fremont?

    Airlines like WestJet, Delta, and Porter Airlines fly from Ottawa to Fremont in about 8h 20m. The time it takes to get you to your destination can typically vary by up to 9h 40m. Ottawa and Fremont are separated by a distance of 3925 km. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Ottawa to Fremont are WestJet (C$ 219), Porter Airlines (C$ 260), and Air Canada (C$ 271).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ottawa 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

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Top 5 airlines flying from Ottawa to Fremont

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 332AverageC$ 532FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 395AverageC$ 860FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 398AverageC$ 626FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 423AverageC$ 707FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 768AverageC$ 918FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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Can Cheapflights find flights from Ottawa to Fremont with no change fees?

Yes, we can. To see specific flights from Ottawa to Fremont with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ottawa to Fremont become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Fremont from Ottawa today and book when prices fit your budget.

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