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Cheap flights from Ottawa to the United States from $104

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to the United States departing on 12/5. 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
0 bags

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Find the cheapest flights from Ottawa to the United States

Cheap round-trip flights

Porter Airlines Logo
10:50 am - 12:30 pmYOW-EWR
1h 40mnonstop
Porter Airlines Logo
6:25 pm - 8:05 pmEWR-YOW
1h 40mnonstop
$197Porter Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
Porter Airlines Logo
4:05 pm - 5:40 pmYOW-EWR
1h 35mnonstop
Porter Airlines Logo
2:15 pm - 3:56 pmEWR-YOW
1h 41mnonstop
$200Porter Airlines
Find Deal
Fri, Sep 5 - Sun, Sep 7
WestJet Logo
3:45 pm - 9:47 pmYOW-LAX
9h 02m1 stop
WestJet Logo
11:40 am - 12:41 amLAX-YOW
10h 01m1 stop
$217WestJet
Find Deal
Thu, Aug 21 - Wed, Aug 27
Air Canada Logo
6:00 am - 9:32 amYOW-LGA
3h 32m1 stop
Air Canada Logo
7:05 am - 10:25 amLGA-YOW
3h 20m1 stop
$222Air Canada
Find Deal
Thu, Sep 4 - Sun, Sep 7
Air Canada Logo
2:40 pm - 6:30 pmYOW-LGA
3h 50m1 stop
Air Canada Logo
5:45 pm - 10:04 pmLGA-YOW
4h 19m1 stop
$229Air Canada
Find Deal
Sat, Sep 13 - Sat, Sep 20
Logo
7:00 am - 8:10 pmYOW-MCO
13h 10m2 stops
Logo
8:45 pm - 11:58 pmMCO-YOW
3h 13mnonstop
$240
Find Deal
Thu, Jan 8 - Fri, Jan 16
WestJet Logo
6:10 am - 9:47 pmYOW-LAX
18h 37m2 stops
WestJet Logo
11:40 am - 12:41 amLAX-YOW
10h 01m1 stop
$243WestJet
Find Deal
Thu, Aug 21 - Wed, Aug 27
United Airlines Logo
10:37 am - 6:33 pmYOW-LAX
10h 56m1 stop
United Airlines Logo
11:16 pm - 2:13 pmLAX-YOW
11h 57m1 stop
$259United Airlines
Find Deal
Sat, Aug 30 - Tue, Sep 2
United Airlines Logo
5:25 pm - 11:58 pmYOW-LAX
9h 33m1 stop
United Airlines Logo
5:00 pm - 2:04 pmLAX-YOW
18h 04m1 stop
$264United Airlines
Find Deal
Wed, Aug 20 - Sat, Aug 30
Logo
3:50 pm - 7:30 pmYOW-FLL
3h 40mnonstop
Logo
5:40 pm - 12:22 amFLL-YOW
6h 42m1 stop
$269
Find Deal
Tue, Aug 12 - Thu, Aug 14

United Airlines flights from Ottawa to United States

Our best United Airlines deals on Ottawa to United States flight tickets
United Airlines
Aug 30
YOW10:37 amOttawa
10h 56m
1 stop
LAX6:33 pmLos Angeles
Sep 2
LAX11:16 pmLos Angeles
11h 57m
1 stop
YOW2:13 pmOttawa
$259
Find similar
United Airlines
Aug 20
YOW5:25 pmOttawa
9h 33m
1 stop
LAX11:58 pmLos Angeles
Aug 30
LAX5:00 pmLos Angeles
18h 04m
1 stop
YOW2:04 pmOttawa
$264
Find similar
United Airlines
Aug 21
YOW6:33 amOttawa
11h 56m
1 stop
LAX3:29 pmLos Angeles
Aug 25
LAX5:20 pmLos Angeles
12h 51m
2 stops
YOW9:11 amOttawa
$265
Find similar

WestJet flights from Ottawa to United States

Our best WestJet deals on Ottawa to United States flight tickets
WestJet
Aug 21
YOW3:45 pmOttawa
9h 02m
1 stop
LAX9:47 pmLos Angeles
Aug 27
LAX11:40 amLos Angeles
10h 01m
1 stop
YOW12:41 amOttawa
$217
Find similar
WestJet
Aug 21
YOW6:10 amOttawa
18h 37m
2 stops
LAX9:47 pmLos Angeles
Aug 27
LAX11:40 amLos Angeles
10h 01m
1 stop
YOW12:41 amOttawa
$243
Find similar
WestJet
Aug 21
YOW3:45 pmOttawa
9h 02m
1 stop
LAX9:47 pmLos Angeles
Aug 27
LAX11:40 amLos Angeles
14h 45m
2 stops
YOW5:25 amOttawa
$244
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to United States 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 31, 2025.
Use the filters below to find and compare flights from Ottawa to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Thu 9/4

10:50 am-12:30 pm

Nonstop1h 40m

Newark

Sun 9/7

6:25 pm-8:05 pm

Nonstop1h 40m

$197

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Fri 9/5

4:05 pm-5:40 pm

Nonstop1h 35m

Newark

Sun 9/7

2:15 pm-3:56 pm

Nonstop1h 41m

$200

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Thu 8/21

3:45 pm-9:47 pm

1 stop9h 02m

Los Angeles

Wed 8/27

11:40 am-12:41 am

1 stop10h 01m

$217

OttawaNew York

YOW - LGA

YOWLGA

Ottawa

Thu 9/4

6:00 am-9:32 am

1 stop3h 32m

New York LaGuardia

Sun 9/7

7:05 am-10:25 am

1 stop3h 20m

$222

OttawaNew York

YOW - LGA

YOWLGA

Ottawa

Sat 9/13

2:40 pm-6:30 pm

1 stop3h 50m

New York LaGuardia

Sat 9/20

5:45 pm-10:04 pm

1 stop4h 19m

$229

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Thu 1/8

7:00 am-8:10 pm

2 stops13h 10m

Orlando

Fri 1/16

8:45 pm-11:58 pm

Nonstop3h 13m

$240

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Thu 8/21

6:10 am-9:47 pm

2 stops18h 37m

Los Angeles

Wed 8/27

11:40 am-12:41 am

1 stop10h 01m

$243

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Sat 8/30

10:37 am-6:33 pm

1 stop10h 56m

Los Angeles

Tue 9/2

11:16 pm-2:13 pm

1 stop11h 57m

$259

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Wed 8/20

5:25 pm-11:58 pm

1 stop9h 33m

Los Angeles

Sat 8/30

5:00 pm-2:04 pm

1 stop18h 04m

$264

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Tue 8/12

3:50 pm-7:30 pm

Nonstop3h 40m

Fort Lauderdale

Thu 8/14

5:40 pm-12:22 am

1 stop6h 42m

$269

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 the United States from

How to get the cheapest flight ticket from Ottawa to United States

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 United States?

In general, June is the cheapest month to fly from Ottawa to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $242. If you aren’t able to travel during the month of June, then book flights to United States from Ottawa during April instead. Flights to United States in April, while not as cheap as those in June, still average around $254.

What is the cheapest day to depart on your flight to United States?

According to our data, Friday is the cheapest day to fly to United States from Ottawa. The lowest ticket price found for a Friday departure recently was $297. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $479. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the evening when flights can be purchased for as low as $196. Try not to purchase tickets at noon because they tend to be around $620. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ottawa to United States flight route?

Fly from Ottawa to Newark for the best Ottawa - United States flight prices

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $432 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Ottawa for as low as $273 on momondo.

What cabin class options are available on Ottawa to United States flights?

There are 4 cabin classes available to choose from on Ottawa to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ottawa to United States flights?

No. A direct flight is the cheapest option for a flight between Ottawa to United States.

Cheap Ottawa to United States flight deals and tips

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

Best Price Found

$104

Fastest flight time

1h 15m

Direct flights

Every day

Airports in United States

8 airports
The best one-way flight to United States from Ottawa in the past 72 hours is $104. The best round-trip flight deal from Ottawa to United States found on momondo in the last 72 hours is $197.
The fastest flight from Ottawa to United States takes 1h 15m
Direct flights go from Ottawa to United States every day.
There are 8 airports near United States: Newark (EWR), Los Angeles (LAX), New York LaGuardia (LGA), Fort Lauderdale (FLL), Boston Logan Intl (BOS), Orlando (MCO), Washington, D.C. Dulles Intl (IAD), New York John F Kennedy Intl (JFK)
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  • When did momondo last update prices for flights from Ottawa Airport to United States?

    Prices for flights from Ottawa Airport to United States refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to United States.

  • What documentation or ID do you need to fly to United States?

    The required travel and health documents for your United States trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United States. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Ottawa to United States?

Best airlines flying from Ottawa to United States

Compare and see reviews for airlines that fly from Ottawa to United States with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $146Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
United AirlinesPriceFrom $171Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $176Free CancellationRating
8.0
318 reviews
Search Porter Airlines flights
WestJetPriceFrom $180Free CancellationRating
7.2
2,978 reviews
Search WestJet flights
Air TransatPriceFrom $214Free CancellationRating
7.7
424 reviews
Search Air Transat flights

Why use momondo?

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

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 United States from Ottawa.

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

Yes. momondo allows you to filter the results for Ottawa to United States flights to just show those with flexible booking policies.

How can momondo help me find flights from Ottawa to United States?

Once you have performed a search for Ottawa to United States flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to United States from Ottawa 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.

An easier way to manage your United States trip

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