Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to the United States from C$ 146

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 15/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ottawa to the United States

Cheap round-trip flights

Porter Airlines Logo
6:50 p.m. - 12:48 p.m.YOW-FLL
17h 58m2 stops
Porter Airlines Logo
1:50 p.m. - 5:20 p.m.FLL-YOW
3h 30mdirect
C$ 280Porter Airlines
Find Deal
Fri, 3 Oct - Tue, 7 Oct
Multiple Airlines Logo
3:50 p.m. - 7:30 p.m.YOW-FLL
3h 40mdirect
Multiple Airlines Logo
5:40 p.m. - 12:22 a.m.FLL-YOW
6h 42m1 stop
C$ 283Multiple Airlines
Find Deal
Sat, 4 Oct - Mon, 6 Oct
WestJet Logo
5:55 a.m. - 4:49 p.m.YOW-FLL
10h 54m1 stop
WestJet Logo
5:40 p.m. - 12:22 a.m.FLL-YOW
6h 42m1 stop
C$ 303WestJet
Find Deal
Tue, 14 Oct - Tue, 21 Oct
WestJet Logo
5:40 a.m. - 2:48 p.m.YOW-FLL
9h 08m1 stop
WestJet Logo
6:55 p.m. - 12:42 a.m.FLL-YOW
5h 47m1 stop
C$ 308WestJet
Find Deal
Mon, 17 Nov - Fri, 28 Nov
United Airlines Logo
2:45 p.m. - 12:45 a.m.YOW-MCO
10h 00m1 stop
United Airlines Logo
6:00 a.m. - 11:45 a.m.MCO-YOW
5h 45m1 stop
C$ 312United Airlines
Find Deal
Mon, 13 Oct - Mon, 20 Oct
United Airlines Logo
7:29 p.m. - 10:43 a.m.YOW-MCO
15h 14m1 stop
United Airlines Logo
6:00 a.m. - 11:45 a.m.MCO-YOW
5h 45m1 stop
C$ 314United Airlines
Find Deal
Fri, 3 Oct - Fri, 17 Oct
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$ 354Air Canada
Find Deal
Tue, 4 Nov - Fri, 21 Nov
Air Canada Logo
2:05 p.m. - 8:48 p.m.YOW-FLL
6h 43m1 stop
Air Canada Logo
7:30 a.m. - 1:18 p.m.FLL-YOW
5h 48m1 stop
C$ 370Air Canada
Find Deal
Wed, 7 Jan - Fri, 16 Jan
Lufthansa Logo
7:29 p.m. - 9:12 p.m.YOW-IAD
1h 43mdirect
Lufthansa Logo
6:15 a.m. - 11:45 a.m.IAD-YOW
5h 30m1 stop
C$ 478Lufthansa
Find Deal
Fri, 10 Oct - Sun, 12 Oct
Lufthansa Logo
5:25 p.m. - 6:54 p.m.YOW-ORD
2h 29mdirect
Lufthansa Logo
6:06 p.m. - 9:35 p.m.ORD-YOW
2h 29mdirect
C$ 478Lufthansa
Find Deal
Thu, 16 Oct - Sun, 19 Oct

Air Canada flights from Ottawa to United States

Our best Air Canada deals on Ottawa to United States flight tickets
Air Canada
4 Nov
YOW10:50 a.m.Ottawa
6h 50m
1 stop
FLL5:40 p.m.Fort Lauderdale
21 Nov
FLL11:20 a.m.Fort Lauderdale
3h 22m
YOW2:42 p.m.Ottawa
C$ 354
Find similar
Air Canada
7 Jan
YOW2:05 p.m.Ottawa
6h 43m
1 stop
FLL8:48 p.m.Fort Lauderdale
16 Jan
FLL7:30 a.m.Fort Lauderdale
5h 48m
1 stop
YOW1:18 p.m.Ottawa
C$ 370
Find similar
Air Canada
29 Nov
YOW4:10 p.m.Ottawa
9h 21m
1 stop
LAS10:31 p.m.Las Vegas Harry Reid Intl
6 Dec
LAS4:45 p.m.Las Vegas Harry Reid Intl
10h 58m
1 stop
YOW6:43 a.m.Ottawa
C$ 388
Find similar

WestJet flights from Ottawa to United States

Our best WestJet deals on Ottawa to United States flight tickets
WestJet
14 Oct
YOW5:55 a.m.Ottawa
10h 54m
1 stop
FLL4:49 p.m.Fort Lauderdale
21 Oct
FLL5:40 p.m.Fort Lauderdale
6h 42m
1 stop
YOW12:22 a.m.Ottawa
C$ 303
Find similar
WestJet
17 Nov
YOW5:40 a.m.Ottawa
9h 08m
1 stop
FLL2:48 p.m.Fort Lauderdale
28 Nov
FLL6:55 p.m.Fort Lauderdale
5h 47m
1 stop
YOW12:42 a.m.Ottawa
C$ 308
Find similar
WestJet
18 Oct
YOW5:55 a.m.Ottawa
10h 59m
1 stop
FLL4:54 p.m.Fort Lauderdale
21 Oct
FLL5:40 p.m.Fort Lauderdale
6h 42m
1 stop
YOW12:22 a.m.Ottawa
C$ 311
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 16 September 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

Fri 3/10

6:50 p.m.-12:48 p.m.

2 stops17h 58m

Fort Lauderdale

Tue 7/10

1:50 p.m.-5:20 p.m.

Nonstop3h 30m

C$ 280

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Sat 4/10

3:50 p.m.-7:30 p.m.

Nonstop3h 40m

Fort Lauderdale

Mon 6/10

5:40 p.m.-12:22 a.m.

1 stop6h 42m

C$ 283

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Tue 14/10

5:55 a.m.-4:49 p.m.

1 stop10h 54m

Fort Lauderdale

Tue 21/10

5:40 p.m.-12:22 a.m.

1 stop6h 42m

C$ 303

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Mon 17/11

5:40 a.m.-2:48 p.m.

1 stop9h 08m

Fort Lauderdale

Fri 28/11

6:55 p.m.-12:42 a.m.

1 stop5h 47m

C$ 308

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Mon 13/10

2:45 p.m.-12:45 a.m.

1 stop10h 00m

Orlando

Mon 20/10

6:00 a.m.-11:45 a.m.

1 stop5h 45m

C$ 312

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Fri 3/10

7:29 p.m.-10:43 a.m.

1 stop15h 14m

Orlando

Fri 17/10

6:00 a.m.-11:45 a.m.

1 stop5h 45m

C$ 314

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Tue 4/11

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

1 stop6h 50m

Fort Lauderdale

Fri 21/11

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

Nonstop3h 22m

C$ 354

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Wed 7/1

2:05 p.m.-8:48 p.m.

1 stop6h 43m

Fort Lauderdale

Fri 16/1

7:30 a.m.-1:18 p.m.

1 stop5h 48m

C$ 370

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 10/10

7:29 p.m.-9:12 p.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 12/10

6:15 a.m.-11:45 a.m.

1 stop5h 30m

C$ 478

OttawaChicago

YOW - ORD

YOWORD

Ottawa

Thu 16/10

5:25 p.m.-6:54 p.m.

Nonstop2h 29m

Chicago O'Hare Intl

Sun 19/10

6:06 p.m.-9:35 p.m.

Nonstop2h 29m

C$ 478

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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$ 348. If you don’t want to visit United States in July, then you should wait until June to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 356.

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$ 357. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to United States on Saturday is C$ 453.

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$ 219. Flights to United States are more costly in the morning, with an average ticket price of C$ 416. 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$ 388 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$ 348 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 8% 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$ 212

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$ 212. The best round-trip flight deal from Ottawa to United States found on momondo in the last 72 hours is C$ 265.
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$ 213Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 231Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
WestJetPriceFrom C$ 242Free CancellationRating
7.2
3,093 reviews
Search WestJet flights
Porter AirlinesPriceFrom C$ 263Free CancellationRating
7.9
363 reviews
Search Porter Airlines flights
Air TransatPriceFrom C$ 283Free CancellationRating
7.7
438 reviews
Search Air Transat flights
APG AirlinesPriceFrom C$ 553Free 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 16/10
Thu 23/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo
Flights to Fort Lauderdalefrom C$ 144
Flights to Orlandofrom C$ 156
Flights to New Yorkfrom C$ 250
Flights to Las Vegasfrom C$ 145
Flights to Los Angelesfrom C$ 152
Flights to Miamifrom C$ 269
Flights to San Franciscofrom C$ 134
Flights to Honolulufrom C$ 256
Flights to Phoenixfrom C$ 192
Flights to Tampafrom C$ 222
Flights to Chicagofrom C$ 224
Flights to Houstonfrom C$ 235