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Cheap flights from Ottawa to the United States from C$ 142

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 31/1. 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$ 221Porter Airlines
Sat, 31 Jan - Sat, 7 Feb
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$ 222Porter Airlines
Wed, 4 Mar - Wed, 18 Mar
WestJet Logo
3:45 p.m. - 9:29 p.m.
YOW
-
LAS
8h 44m
1 stop
WestJet Logo
12:35 p.m. - 12:22 a.m.
LAS
-
YOW
8h 47m
1 stop
C$ 251WestJet
Thu, 30 Apr - Tue, 5 May
Multiple Airlines Logo
5:40 a.m. - 1:21 p.m.
YOW
-
TPA
7h 41m
1 stop
Multiple Airlines Logo
2:05 p.m. - 5:15 p.m.
TPA
-
YOW
3h 10mdirect
C$ 257Multiple Airlines
Mon, 9 Feb - Mon, 16 Feb
WestJet Logo
3:45 p.m. - 9:29 p.m.
YOW
-
LAS
8h 44m
1 stop
WestJet Logo
8:00 a.m. - 12:22 a.m.
LAS
-
YOW
13h 22m
2 stops
C$ 258WestJet
Thu, 30 Apr - Tue, 5 May
Multiple Airlines Logo
5:40 a.m. - 1:21 p.m.
YOW
-
TPA
7h 41m
1 stop
Multiple Airlines Logo
2:05 p.m. - 5:15 p.m.
TPA
-
YOW
3h 10mdirect
C$ 264Multiple Airlines
Mon, 9 Feb - Mon, 16 Feb
Air Canada Logo
4:15 p.m. - 7:45 p.m.
YOW
-
MCO
3h 30mdirect
Air Canada Logo
8:00 a.m. - 3:23 p.m.
MCO
-
YOW
7h 23m
1 stop
C$ 271Air Canada
Fri, 6 Mar - Thu, 12 Mar
Air Canada Logo
6:05 p.m. - 11:50 p.m.
YOW
-
MCO
5h 45m
1 stop
Air Canada Logo
8:30 a.m. - 4:23 p.m.
MCO
-
YOW
7h 53m
1 stop
C$ 280Air Canada
Sat, 7 Feb - Sat, 14 Feb
United Airlines Logo
6:20 a.m. - 10:00 p.m.
YOW
-
TPA
15h 40m
1 stop
United Airlines Logo
7:15 a.m. - 9:18 p.m.
TPA
-
YOW
14h 03m
1 stop
C$ 289United Airlines
Tue, 24 Feb - Tue, 10 Mar
United Airlines Logo
2:15 p.m. - 9:57 p.m.
YOW
-
LAS
10h 42m
1 stop
United Airlines Logo
11:50 p.m. - 2:27 p.m.
LAS
-
YOW
11h 37m
1 stop
C$ 304United Airlines
Fri, 6 Feb - Mon, 9 Feb

American Airlines flights from Ottawa to United States

Our best American Airlines deals on Ottawa to United States flight tickets
American Airlines
26 Jan
YOW10:10 a.m.Ottawa
3h 45m
MIA1:55 p.m.Miami
16 Feb
MIA2:55 p.m.Miami
3h 40m
YOW6:35 p.m.Ottawa
C$ 493
American Airlines
21 Jan
YOW6:45 a.m.Ottawa
11h 26m
2 stops
FLL6:11 p.m.Fort Lauderdale
27 Jan
FLL2:09 p.m.Fort Lauderdale
26h 44m
2 stops
YOW4:53 p.m.Ottawa
C$ 540
American Airlines
5 Feb
YOW6:40 a.m.Ottawa
5h 35m
1 stop
JFK12:15 p.m.New York John F Kennedy Intl
8 Feb
JFK7:59 a.m.New York John F Kennedy Intl
10h 29m
1 stop
YOW6:28 p.m.Ottawa
C$ 554

Air Canada flights from Ottawa to United States

Our best Air Canada deals on Ottawa to United States flight tickets
Air Canada
6 Mar
YOW4:15 p.m.Ottawa
3h 30m
MCO7:45 p.m.Orlando
12 Mar
MCO8:00 a.m.Orlando
5h 18m
1 stop
YOW1:18 p.m.Ottawa
C$ 271
Air Canada
7 Feb
YOW6:05 p.m.Ottawa
5h 45m
1 stop
MCO11:50 p.m.Orlando
14 Feb
MCO8:30 a.m.Orlando
7h 53m
1 stop
YOW4:23 p.m.Ottawa
C$ 280
Air Canada
6 Feb
YOW4:15 p.m.Ottawa
3h 30m
MCO7:45 p.m.Orlando
14 Feb
MCO8:30 a.m.Orlando
7h 53m
1 stop
YOW4:23 p.m.Ottawa
C$ 297

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 15 January 2026.
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

Sat 31/1

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

Nonstop3h 40m

Fort Lauderdale

Sat 7/2

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

Nonstop3h 30m

C$ 221

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Wed 4/3

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

Nonstop3h 40m

Fort Lauderdale

Wed 18/3

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

Nonstop3h 30m

C$ 222

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 30/4

3:45 p.m.-9:29 p.m.

1 stop8h 44m

Las Vegas Harry Reid Intl

Tue 5/5

12:35 p.m.-12:22 a.m.

1 stop8h 47m

C$ 251

OttawaTampa

YOW - TPA

YOWTPA

Ottawa

Mon 9/2

5:40 a.m.-1:21 p.m.

1 stop7h 41m

Tampa

Mon 16/2

2:05 p.m.-5:15 p.m.

Nonstop3h 10m

C$ 257

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 30/4

3:45 p.m.-9:29 p.m.

1 stop8h 44m

Las Vegas Harry Reid Intl

Tue 5/5

8:00 a.m.-12:22 a.m.

2 stops13h 22m

C$ 258

OttawaTampa

YOW - TPA

YOWTPA

Ottawa

Mon 9/2

5:40 a.m.-1:21 p.m.

1 stop7h 41m

Tampa

Mon 16/2

2:05 p.m.-5:15 p.m.

Nonstop3h 10m

C$ 264

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Fri 6/3

4:15 p.m.-7:45 p.m.

Nonstop3h 30m

Orlando

Thu 12/3

8:00 a.m.-3:23 p.m.

1 stop7h 23m

C$ 271

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Sat 7/2

6:05 p.m.-11:50 p.m.

1 stop5h 45m

Orlando

Sat 14/2

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

1 stop7h 53m

C$ 280

OttawaTampa

YOW - TPA

YOWTPA

Ottawa

Tue 24/2

6:20 a.m.-10:00 p.m.

1 stop15h 40m

Tampa

Tue 10/3

7:15 a.m.-9:18 p.m.

1 stop14h 03m

C$ 289

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 6/2

2:15 p.m.-9:57 p.m.

1 stop10h 42m

Las Vegas Harry Reid Intl

Mon 9/2

11:50 p.m.-2:27 p.m.

1 stop11h 37m

C$ 304

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 April is, on average, the cheapest month to fly to United States from Ottawa, with most prices found around C$ 347. If you don’t want to visit United States in April, then you should wait until July to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 350.

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$ 339. 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$ 423.

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 at noon. Flights from Ottawa to United States during this time can be as low as C$ 255. Flights to United States are more costly in the morning, with an average ticket price of C$ 392. 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$ 378 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$ 336 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 12% 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$ 168

Fastest flight time

1h 15m

Direct flights

Every day

Airports in United States

4,296 airports
The best one-way flight to United States from Ottawa in the past 72 hours is C$ 168. The best round-trip flight deal from Ottawa to United States found on momondo in the last 72 hours is C$ 277.
The fastest flight from Ottawa to United States takes 1h 15m
Direct flights go from Ottawa to United States every day.
There are 4,296 airports in United States. From Ottawa there are direct flights to Newark (EWR), Washington, D.C. Reagan-National (DCA).
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$ 192Free CancellationRating
7.1
10,622 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 205Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
WestJetPriceFrom C$ 242Free CancellationRating
7.2
3,243 reviews
Search WestJet flights
Porter AirlinesPriceFrom C$ 260Free CancellationRating
8.0
407 reviews
Search Porter Airlines flights
Air TransatPriceFrom C$ 263Free CancellationRating
7.7
495 reviews
Search Air Transat flights
APG AirlinesPriceFrom C$ 556Free 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

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