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Cheap flights from California to Ottawa from $156

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Ottawa departing on 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:10 pm - 5:35 am
LAS
-
YOW
8h 25m
1 stop
WestJet Logo
7:20 am - 3:30 pm
YOW
-
LAS
11h 10m
1 stop
$325WestJet
Tue, Sep 29 - Mon, Oct 5
WestJet Logo
6:10 pm - 5:35 am
LAS
-
YOW
8h 25m
1 stop
WestJet Logo
1:20 pm - 9:40 pm
YOW
-
LAS
11h 20m
1 stop
$327WestJet
Sat, Sep 5 - Wed, Sep 9
WestJet Logo
6:10 pm - 5:35 am
LAS
-
YOW
8h 25m
1 stop
WestJet Logo
7:20 am - 3:45 pm
YOW
-
LAS
11h 25m
2 stops
$331WestJet
Tue, Sep 29 - Mon, Oct 5
Multiple Airlines Logo
11:30 am - 5:15 pm
LAX
-
YOW
26h 45m
2 stops
Multiple Airlines Logo
7:20 am - 2:05 pm
YOW
-
LAX
9h 45m
1 stop
$391Multiple Airlines
Mon, Aug 10 - Wed, Aug 19
Multiple Airlines Logo
11:30 am - 5:35 am
LAX
-
YOW
15h 05m
2 stops
Multiple Airlines Logo
1:20 pm - 10:05 pm
YOW
-
LAX
11h 45m
1 stop
$395Multiple Airlines
Wed, Aug 12 - Wed, Aug 19
Air Canada Logo
11:25 pm - 9:24 am
LAS
-
YOW
6h 59m
1 stop
Air Canada Logo
2:35 pm - 10:23 pm
YOW
-
LAS
10h 48m
1 stop
$398Air Canada
Tue, Sep 22 - Wed, Sep 23
United Airlines Logo
6:45 am - 5:16 pm
SNA
-
YOW
7h 31m
1 stop
United Airlines Logo
5:20 pm - 10:26 pm
YOW
-
SNA
8h 06m
1 stop
$414United Airlines
Sat, Sep 26 - Tue, Sep 29
United Airlines Logo
6:45 am - 11:54 pm
SNA
-
YOW
14h 09m
2 stops
United Airlines Logo
5:20 pm - 10:26 pm
YOW
-
SNA
8h 06m
1 stop
$419United Airlines
Sat, Sep 26 - Tue, Sep 29
Air Canada Logo
10:30 pm - 9:24 am
LAX
-
YOW
7h 54m
1 stop
Air Canada Logo
6:00 am - 11:19 am
YOW
-
LAX
8h 19m
1 stop
$422Air Canada
Mon, Aug 10 - Wed, Aug 19
American Airlines Logo
3:21 pm - 2:55 pm
SNA
-
YOW
20h 34m
2 stops
American Airlines Logo
8:40 am - 8:12 pm
YOW
-
SNA
14h 32m
2 stops
$566American Airlines
Wed, Sep 2 - Fri, Sep 11

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Porter Airlines flights from California to Ottawa

Our best Porter Airlines deals on California to Ottawa flight tickets
Porter Airlines
Aug 23
LAS9:45 amLas Vegas Harry Reid Intl
8h 35m
1 stop
YOW9:20 pmOttawa
Aug 31
YOW4:00 pmOttawa
9h 22m
1 stop
LAS10:22 pmLas Vegas Harry Reid Intl
$472
Porter Airlines
Aug 23
LAS11:20 pmLas Vegas Harry Reid Intl
17h 27m
2 stops
YOW7:47 pmOttawa
Aug 31
YOW8:35 amOttawa
16h 47m
2 stops
LAS10:22 pmLas Vegas Harry Reid Intl
$611
Porter Airlines
Jul 4
SFO1:20 pmSan Francisco
8h 05m
1 stop
YOW12:25 amOttawa
Jul 15
YOW7:00 amOttawa
8h 20m
1 stop
SFO12:20 pmSan Francisco
$785

WestJet flights from California to Ottawa

Our best WestJet deals on California to Ottawa flight tickets
WestJet
Sep 29
LAS6:10 pmLas Vegas Harry Reid Intl
8h 25m
1 stop
YOW5:35 amOttawa
Oct 5
YOW7:20 amOttawa
11h 10m
1 stop
LAS3:30 pmLas Vegas Harry Reid Intl
$325
WestJet
Sep 5
LAS6:10 pmLas Vegas Harry Reid Intl
8h 25m
1 stop
YOW5:35 amOttawa
Sep 9
YOW1:20 pmOttawa
11h 20m
1 stop
LAS9:40 pmLas Vegas Harry Reid Intl
$327
WestJet
Sep 29
LAS6:10 pmLas Vegas Harry Reid Intl
8h 25m
1 stop
YOW5:35 amOttawa
Oct 5
YOW7:20 amOttawa
11h 25m
2 stops
LAS3:45 pmLas Vegas Harry Reid Intl
$331

momondo Fare Finder

 
Customize your flight search to find flights from California to Ottawa 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, momondo users made 832,500 searches. Data last updated July 1, 2026.
Use the filters below to find and compare flights from California to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 9/29

6:10 pm-5:35 am

1 stop8h 25m

Ottawa

Mon 10/5

7:20 am-3:30 pm

1 stop11h 10m

$325

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Sat 9/5

6:10 pm-5:35 am

1 stop8h 25m

Ottawa

Wed 9/9

1:20 pm-9:40 pm

1 stop11h 20m

$327

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 9/29

6:10 pm-5:35 am

1 stop8h 25m

Ottawa

Mon 10/5

7:20 am-3:45 pm

2 stops11h 25m

$331

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Mon 8/10

11:30 am-5:15 pm

2 stops26h 45m

Ottawa

Wed 8/19

7:20 am-2:05 pm

1 stop9h 45m

$391

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Wed 8/12

11:30 am-5:35 am

2 stops15h 05m

Ottawa

Wed 8/19

1:20 pm-10:05 pm

1 stop11h 45m

$395

Las VegasOttawa

LAS - YOW

LASYOW

Las Vegas Harry Reid Intl

Tue 9/22

11:25 pm-9:24 am

1 stop6h 59m

Ottawa

Wed 9/23

2:35 pm-10:23 pm

1 stop10h 48m

$398
Quickest round-trip

Santa AnaOttawa

SNA - YOW

SNAYOW

Santa Ana J. Wayne/Orange Cnty

Sat 9/26

6:45 am-5:16 pm

1 stop7h 31m

Ottawa

Tue 9/29

5:20 pm-10:26 pm

1 stop8h 06m

$414

Santa AnaOttawa

SNA - YOW

SNAYOW

Santa Ana J. Wayne/Orange Cnty

Sat 9/26

6:45 am-11:54 pm

2 stops14h 09m

Ottawa

Tue 9/29

5:20 pm-10:26 pm

1 stop8h 06m

$419

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Mon 8/10

10:30 pm-9:24 am

1 stop7h 54m

Ottawa

Wed 8/19

6:00 am-11:19 am

1 stop8h 19m

$422

Santa AnaOttawa

SNA - YOW

SNAYOW

Santa Ana J. Wayne/Orange Cnty

Wed 9/2

3:21 pm-2:55 pm

2 stops20h 34m

Ottawa

Fri 9/11

8:40 am-8:12 pm

2 stops14h 32m

$566

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ottawa from

How to get the cheapest flight ticket from California to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ottawa?

In general, October is the cheapest month to fly from California to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $100. The month of July is another great option to travel to Ottawa, with average flight prices from California averaging around $113.

How far in advance should I book a flight from California to Ottawa?

You are more likely to see cheaper flights to Ottawa from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around $519 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from California for as low as $392 on momondo.

Can stopping save me money on California to Ottawa flights?

You could potentially save up to 15% on your flight if you consider stops on a California to Ottawa flight.

Cheap California to Ottawa flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Ottawa

Fastest flight time

7h 14m

Direct flights

None
The fastest flight from California to Ottawa takes 7h 14m
There are no direct flights from California to Ottawa. There are no popular flight routes from California to Ottawa.
Search flight deals

Frequently asked questions about flying from California to Ottawa

  • When did momondo last update prices for flights from California to Ottawa Airport?

    Prices for flights from California to Ottawa Airport were last updated today.

  • How many operators does momondo search for flights from California to Ottawa Airport?

  • How old do you have to be to fly from California to Ottawa Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from California to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from California to Ottawa

Compare and see reviews for airlines that fly from California to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom $146Free CancellationRating
7.2
3,392 reviews
Search WestJet flights
United AirlinesPriceFrom $181Free CancellationRating
7.4
9,910 reviews
Search United Airlines flights
Air CanadaPriceFrom $205Free CancellationRating
7.1
11,283 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $246Free CancellationRating
8.0
441 reviews
Search Porter Airlines flights

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Pembroke
Brockville
Petawawa
Perth
Smiths Falls
Calabogie
Prescott
Wakefield

Why use momondo?

Why should I use momondo to find a flight deal from California to Ottawa?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ottawa from California.

Can I find flights from California to Ottawa with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ottawa from California with this policy.

How can momondo help me find flights from California to Ottawa?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from California to Ottawa.

I’m not ready to book a flight from California to Ottawa right now. Can momondo alert me if prices change?

Price alerts on flights to Ottawa from California are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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