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Cheap flights from Ottawa to the United States from C$ 56

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 6/12. 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
4:15 p.m. - 7:55 p.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
Tue, 13 Jan - Mon, 9 Feb
Porter Airlines Logo
6:45 a.m. - 12:57 p.m.YOW-FLL
6h 12m1 stop
Porter Airlines Logo
8:55 p.m. - 12:25 a.m.FLL-YOW
3h 30mdirect
C$ 249Porter Airlines
Find Deal
Mon, 8 Dec - Mon, 15 Dec
Porter Airlines Logo
4:15 p.m. - 7:55 p.m.YOW-FLL
3h 40mdirect
Porter Airlines Logo
1:55 p.m. - 5:25 p.m.FLL-YOW
3h 30mdirect
C$ 252Porter Airlines
Find Deal
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
4:20 p.m. - 10:35 a.m.YOW-FLL
18h 15m2 stops
Multiple Airlines Logo
8:55 p.m. - 12:25 a.m.FLL-YOW
3h 30mdirect
C$ 256Multiple Airlines
Find Deal
Sun, 18 Jan - Sun, 25 Jan
Multiple Airlines Logo
4:20 p.m. - 10:35 a.m.YOW-FLL
18h 15m2 stops
Multiple Airlines Logo
8:55 p.m. - 12:25 a.m.FLL-YOW
3h 30mdirect
C$ 262Multiple Airlines
Find Deal
Sat, 7 Feb - Sun, 8 Feb
Air Canada Logo
2:50 p.m. - 11:02 p.m.YOW-MCO
8h 12m1 stop
Air Canada Logo
8:30 a.m. - 4:23 p.m.MCO-YOW
7h 53m1 stop
C$ 289Air Canada
Find Deal
Wed, 28 Jan - Sun, 1 Feb
WestJet Logo
5:40 a.m. - 11:58 a.m.YOW-LAS
9h 18m1 stop
WestJet Logo
9:15 p.m. - 4:53 p.m.LAS-YOW
16h 38m2 stops
C$ 389WestJet
Find Deal
Thu, 4 Dec - Mon, 8 Dec
WestJet Logo
5:40 a.m. - 9:33 p.m.YOW-LAS
18h 53m2 stops
WestJet Logo
8:05 a.m. - 12:39 a.m.LAS-YOW
13h 34m2 stops
C$ 391WestJet
Find Deal
Fri, 3 Apr - Fri, 10 Apr
United Airlines Logo
2:15 p.m. - 4:13 p.m.YOW-IAD
1h 58mdirect
United Airlines Logo
10:08 p.m. - 11:54 p.m.IAD-YOW
1h 46mdirect
C$ 433United Airlines
Find Deal
Thu, 25 Dec - Sun, 28 Dec
Air Canada Logo
2:50 p.m. - 8:58 p.m.YOW-JFK
6h 08m1 stop
Air Canada Logo
10:05 a.m. - 4:25 p.m.JFK-YOW
6h 20m1 stop
C$ 437Air Canada
Find Deal
Tue, 9 Dec - Thu, 11 Dec

WestJet flights from Ottawa to United States

Our best WestJet deals on Ottawa to United States flight tickets
WestJet
23 Mar
YOW5:40 a.m.Ottawa
7h 41m
1 stop
TPA1:21 p.m.Tampa
3 Apr
TPA2:15 p.m.Tampa
10h 24m
1 stop
YOW12:39 a.m.Ottawa
C$ 385
Find similar
WestJet
4 Dec
YOW5:40 a.m.Ottawa
9h 18m
1 stop
LAS11:58 a.m.Las Vegas Harry Reid Intl
8 Dec
LAS9:15 p.m.Las Vegas Harry Reid Intl
16h 38m
2 stops
YOW4:53 p.m.Ottawa
C$ 389
Find similar
WestJet
3 Apr
YOW5:40 a.m.Ottawa
18h 53m
2 stops
LAS9:33 p.m.Las Vegas Harry Reid Intl
10 Apr
LAS8:05 a.m.Las Vegas Harry Reid Intl
13h 34m
2 stops
YOW12:39 a.m.Ottawa
C$ 391
Find similar

United Airlines flights from Ottawa to United States

Our best United Airlines deals on Ottawa to United States flight tickets
United Airlines
17 Dec
YOW6:20 a.m.Ottawa
8h 48m
1 stop
TPA3:08 p.m.Tampa
29 Dec
TPA7:20 a.m.Tampa
13h 58m
1 stop
YOW9:18 p.m.Ottawa
C$ 420
Find similar
United Airlines
14 Dec
YOW6:20 a.m.Ottawa
15h 04m
1 stop
LAS6:24 p.m.Las Vegas Harry Reid Intl
14 Dec
LAS8:30 p.m.Las Vegas Harry Reid Intl
10h 56m
2 stops
YOW10:26 a.m.Ottawa
C$ 423
Find similar
United Airlines
9 Dec
YOW9:45 a.m.Ottawa
10h 18m
2 stops
LAS5:03 p.m.Las Vegas Harry Reid Intl
14 Dec
LAS8:30 p.m.Las Vegas Harry Reid Intl
10h 56m
2 stops
YOW10:26 a.m.Ottawa
C$ 431
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 13 November 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

Tue 13/1

4:15 p.m.-7:55 p.m.

Nonstop3h 40m

Fort Lauderdale

Mon 9/2

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

Nonstop3h 30m

C$ 248

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Mon 8/12

6:45 a.m.-12:57 p.m.

1 stop6h 12m

Fort Lauderdale

Mon 15/12

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

Nonstop3h 30m

C$ 249

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Thu 19/3

4:15 p.m.-7:55 p.m.

Nonstop3h 40m

Fort Lauderdale

Thu 26/3

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

Nonstop3h 30m

C$ 252

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Sun 18/1

4:20 p.m.-10:35 a.m.

2 stops18h 15m

Fort Lauderdale

Sun 25/1

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

Nonstop3h 30m

C$ 256

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Sat 7/2

4:20 p.m.-10:35 a.m.

2 stops18h 15m

Fort Lauderdale

Sun 8/2

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

Nonstop3h 30m

C$ 262

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Wed 28/1

2:50 p.m.-11:02 p.m.

1 stop8h 12m

Orlando

Sun 1/2

8:30 a.m.-4:23 p.m.

1 stop7h 53m

C$ 289

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 4/12

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

1 stop9h 18m

Las Vegas Harry Reid Intl

Mon 8/12

9:15 p.m.-4:53 p.m.

2 stops16h 38m

C$ 389

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 3/4

5:40 a.m.-9:33 p.m.

2 stops18h 53m

Las Vegas Harry Reid Intl

Fri 10/4

8:05 a.m.-12:39 a.m.

2 stops13h 34m

C$ 391

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 25/12

2:15 p.m.-4:13 p.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 28/12

10:08 p.m.-11:54 p.m.

Nonstop1h 46m

C$ 433

OttawaNew York

YOW - JFK

YOWJFK

Ottawa

Tue 9/12

2:50 p.m.-8:58 p.m.

1 stop6h 08m

New York John F Kennedy Intl

Thu 11/12

10:05 a.m.-4:25 p.m.

1 stop6h 20m

C$ 437

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$ 353. 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$ 360.

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as C$ 360. 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$ 447.

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$ 222. Flights to United States are more costly in the morning, with an average ticket price of C$ 410. 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$ 391 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$ 352 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 40% 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$ 165

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$ 165. The best round-trip flight deal from Ottawa to United States found on momondo in the last 72 hours is C$ 306.
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$ 203Free CancellationRating
7.1
10,449 reviews
Search Air Canada flights
WestJetPriceFrom C$ 245Free CancellationRating
7.2
3,162 reviews
Search WestJet flights
Air TransatPriceFrom C$ 266Free CancellationRating
7.8
472 reviews
Search Air Transat flights
Porter AirlinesPriceFrom C$ 266Free CancellationRating
8.0
389 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 289Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
APG AirlinesPriceFrom C$ 561Free 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.

An easier way to manage your United States trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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