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Cheap flights from Ottawa to the United States from C$ 65

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 14/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ottawa to the United States

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
7:00 a.m. - 10:40 a.m.YOW-FLL
3h 40mdirect
Porter Airlines Logo
8:55 p.m. - 12:25 a.m.FLL-YOW
3h 30mdirect
C$ 248Porter Airlines
Find Deal
Sun, 7 Dec - Mon, 22 Dec
Porter Airlines Logo
7:00 a.m. - 10:40 a.m.YOW-FLL
3h 40mdirect
Porter Airlines Logo
8:55 p.m. - 12:25 a.m.FLL-YOW
3h 30mdirect
C$ 250Porter Airlines
Find Deal
Sun, 7 Dec - Mon, 15 Dec
Porter Airlines Logo
4:15 p.m. - 7:50 p.m.YOW-FLL
3h 35mdirect
Porter Airlines Logo
1:55 p.m. - 5:25 p.m.FLL-YOW
3h 30mdirect
C$ 251Porter Airlines
Find Deal
Tue, 4 Nov - Wed, 19 Nov
Air Canada Logo
6:15 a.m. - 10:08 a.m.YOW-FLL
3h 53mdirect
Air Canada Logo
11:20 a.m. - 2:42 p.m.FLL-YOW
3h 22mdirect
C$ 269Air Canada
Find Deal
Fri, 5 Dec - Wed, 10 Dec
Air Canada Logo
10:50 a.m. - 5:40 p.m.YOW-FLL
6h 50m1 stop
Air Canada Logo
11:20 a.m. - 2:42 p.m.FLL-YOW
3h 22mdirect
C$ 277Air Canada
Find Deal
Sat, 6 Dec - Sat, 13 Dec
WestJet Logo
5:40 a.m. - 11:58 a.m.YOW-LAS
9h 18m1 stop
WestJet Logo
8:00 a.m. - 12:42 a.m.LAS-YOW
13h 42m2 stops
C$ 376WestJet
Find Deal
Fri, 28 Nov - Fri, 5 Dec
WestJet Logo
5:40 a.m. - 11:58 a.m.YOW-LAS
9h 18m1 stop
WestJet Logo
8:00 a.m. - 12:42 a.m.LAS-YOW
13h 42m2 stops
C$ 378WestJet
Find Deal
Mon, 17 Nov - Thu, 20 Nov
Air Transat Logo
3:55 p.m. - 5:25 p.m.YOW-EWR
1h 30mdirect
Air Transat Logo
10:55 a.m. - 12:35 p.m.EWR-YOW
1h 40mdirect
C$ 390Air Transat
Find Deal
Wed, 12 Nov - Sun, 16 Nov
United Airlines Logo
6:00 a.m. - 7:43 a.m.YOW-EWR
1h 43mdirect
United Airlines Logo
11:58 a.m. - 1:32 p.m.EWR-YOW
1h 34mdirect
C$ 404United Airlines
Find Deal
Thu, 27 Nov - Sun, 30 Nov
United Airlines Logo
2:15 p.m. - 10:00 p.m.YOW-LAS
10h 45m1 stop
United Airlines Logo
11:59 p.m. - 10:26 a.m.LAS-YOW
7h 27m1 stop
C$ 428United Airlines
Find Deal
Mon, 10 Nov - Fri, 14 Nov

American Airlines flights from Ottawa to United States

Our best American Airlines deals on Ottawa to United States flight tickets
American Airlines
13 Nov
YOW6:45 a.m.Ottawa
5h 30m
1 stop
JFK12:15 p.m.New York John F Kennedy Intl
16 Nov
JFK7:59 a.m.New York John F Kennedy Intl
10h 25m
1 stop
YOW6:24 p.m.Ottawa
C$ 580
Find similar
American Airlines
13 Nov
YOW6:45 a.m.Ottawa
5h 30m
1 stop
JFK12:15 p.m.New York John F Kennedy Intl
16 Nov
JFK7:59 a.m.New York John F Kennedy Intl
10h 25m
1 stop
YOW6:24 p.m.Ottawa
C$ 581
Find similar
American Airlines
30 Oct
YOW6:45 a.m.Ottawa
14h 30m
2 stops
TPA9:15 p.m.Tampa
3 Nov
TPA6:59 p.m.Tampa
21h 50m
2 stops
YOW4:49 p.m.Ottawa
C$ 620
Find similar

WestJet flights from Ottawa to United States

Our best WestJet deals on Ottawa to United States flight tickets
WestJet
28 Nov
YOW5:40 a.m.Ottawa
9h 18m
1 stop
LAS11:58 a.m.Las Vegas Harry Reid Intl
5 Dec
LAS8:00 a.m.Las Vegas Harry Reid Intl
13h 42m
2 stops
YOW12:42 a.m.Ottawa
C$ 376
Find similar
WestJet
17 Nov
YOW5:40 a.m.Ottawa
9h 18m
1 stop
LAS11:58 a.m.Las Vegas Harry Reid Intl
20 Nov
LAS8:00 a.m.Las Vegas Harry Reid Intl
13h 42m
2 stops
YOW12:42 a.m.Ottawa
C$ 378
Find similar
WestJet
28 Nov
YOW5:40 a.m.Ottawa
9h 18m
1 stop
LAS11:58 a.m.Las Vegas Harry Reid Intl
5 Dec
LAS8:00 a.m.Las Vegas Harry Reid Intl
13h 42m
2 stops
YOW12:42 a.m.Ottawa
C$ 380
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 96,600 searches. Data last updated 22 October 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

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Sun 7/12

7:00 a.m.-10:40 a.m.

Nonstop3h 40m

Fort Lauderdale

Mon 22/12

8:55 p.m.-12:25 a.m.

Nonstop3h 30m

C$ 248

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Sun 7/12

7:00 a.m.-10:40 a.m.

Nonstop3h 40m

Fort Lauderdale

Mon 15/12

8:55 p.m.-12:25 a.m.

Nonstop3h 30m

C$ 250

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Tue 4/11

4:15 p.m.-7:50 p.m.

Nonstop3h 35m

Fort Lauderdale

Wed 19/11

1:55 p.m.-5:25 p.m.

Nonstop3h 30m

C$ 251

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Fri 5/12

6:15 a.m.-10:08 a.m.

Nonstop3h 53m

Fort Lauderdale

Wed 10/12

11:20 a.m.-2:42 p.m.

Nonstop3h 22m

C$ 269

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Sat 6/12

10:50 a.m.-5:40 p.m.

1 stop6h 50m

Fort Lauderdale

Sat 13/12

11:20 a.m.-2:42 p.m.

Nonstop3h 22m

C$ 276

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 28/11

5:40 a.m.-11:58 a.m.

1 stop9h 18m

Las Vegas Harry Reid Intl

Fri 5/12

8:00 a.m.-12:42 a.m.

2 stops13h 42m

C$ 376

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 17/11

5:40 a.m.-11:58 a.m.

1 stop9h 18m

Las Vegas Harry Reid Intl

Thu 20/11

8:00 a.m.-12:42 a.m.

2 stops13h 42m

C$ 378

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Wed 12/11

3:55 p.m.-5:25 p.m.

Nonstop1h 30m

Newark

Sun 16/11

10:55 a.m.-12:35 p.m.

Nonstop1h 40m

C$ 390

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Thu 27/11

6:00 a.m.-7:43 a.m.

Nonstop1h 43m

Newark

Sun 30/11

11:58 a.m.-1:32 p.m.

Nonstop1h 34m

C$ 404

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 10/11

2:15 p.m.-10:00 p.m.

1 stop10h 45m

Las Vegas Harry Reid Intl

Fri 14/11

11:59 p.m.-10:26 a.m.

1 stop7h 27m

C$ 428

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?

The month of July is, on average, the cheapest month to fly to United States from Ottawa, with most prices found around C$ 354. If you don’t want to visit United States in July, then you should wait until September to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 361.

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

On average, the least expensive day to fly to United States from Ottawa is on a Monday. momondo users have found tickets for Monday departures for as low as C$ 359. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to United States on Friday is C$ 450.

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

Our most recent data shows that the best time of day to fly to United States is in the evening. Flights from Ottawa to United States during this time can be as low as C$ 223. Flights to United States are more costly in the morning, with an average ticket price of C$ 420. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ottawa to United States flight route?

Fly from Ottawa to Orlando 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 C$ 394 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 C$ 355 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?

You could potentially save up to 23% on your flight if you consider stops on a Ottawa to United States flight.

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

C$ 198

Fastest flight time

1h 30m

Direct flights

Every day

Airports in United States

1 airport
The best one-way flight to United States from Ottawa in the past 72 hours is C$ 198. The best round-trip flight deal from Ottawa to United States found on momondo in the last 72 hours is C$ 317.
The fastest flight from Ottawa to United States takes 1h 30m
Direct flights go from Ottawa to United States every day.
There is 1 airport near United States: Newark (EWR)
Search flight deals

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

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

  • 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?

    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 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 C$ 216Free CancellationRating
7.1
10,338 reviews
Search Air Canada flights
WestJetPriceFrom C$ 246Free CancellationRating
7.2
3,132 reviews
Search WestJet flights
Porter AirlinesPriceFrom C$ 268Free CancellationRating
8.0
382 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 287Free CancellationRating
7.4
8,989 reviews
Search United Airlines flights
Air TransatPriceFrom C$ 287Free CancellationRating
7.8
466 reviews
Search Air Transat flights
APG AirlinesPriceFrom C$ 562Free CancellationRating
0.0
0 reviews
Search APG Airlines 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?

momondo does allow users to show only those flights to United States from Ottawa which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Ottawa to United States flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to United States from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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