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Cheap flights from Ottawa to the United States from $42

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 12/14. 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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Cheap round-trip flights

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Porter Airlines Logo
4:15 pm - 7:55 pmYOW-FLL
3h 40mnonstop
Porter Airlines Logo
1:55 pm - 5:25 pmFLL-YOW
3h 30mnonstop
$173Porter Airlines
Find Deal
Tue, Dec 2 - Sat, Dec 13
Porter Airlines Logo
4:15 pm - 7:55 pmYOW-FLL
3h 40mnonstop
Porter Airlines Logo
1:55 pm - 5:25 pmFLL-YOW
3h 30mnonstop
$175Porter Airlines
Find Deal
Tue, Dec 2 - Sat, Dec 6
Multiple Airlines Logo
4:20 pm - 10:35 amYOW-FLL
18h 15m2 stops
Multiple Airlines Logo
8:55 pm - 12:25 amFLL-YOW
3h 30mnonstop
$185Multiple Airlines
Find Deal
Fri, Jan 23 - Sat, Feb 7
Multiple Airlines Logo
9:30 am - 11:52 pmYOW-FLL
14h 22m2 stops
Multiple Airlines Logo
11:40 am - 6:25 pmFLL-YOW
6h 45m1 stop
$187Multiple Airlines
Find Deal
Mon, Dec 1 - Fri, Dec 5
Air Canada Logo
4:05 pm - 7:35 pmYOW-MCO
3h 30mnonstop
Air Canada Logo
8:30 am - 4:23 pmMCO-YOW
7h 53m1 stop
$197Air Canada
Find Deal
Fri, Dec 5 - Mon, Dec 8
Air Canada Logo
5:45 am - 1:25 pmYOW-FLL
7h 40m1 stop
Air Canada Logo
11:20 am - 2:39 pmFLL-YOW
3h 19mnonstop
$197Air Canada
Find Deal
Tue, Nov 18 - Tue, Mar 31
WestJet Logo
5:40 am - 11:58 amYOW-LAS
9h 18m1 stop
WestJet Logo
8:00 am - 12:42 amLAS-YOW
13h 42m2 stops
$267WestJet
Find Deal
Fri, Nov 28 - Fri, Dec 5
WestJet Logo
5:40 am - 11:58 amYOW-LAS
9h 18m1 stop
WestJet Logo
8:00 am - 12:42 amLAS-YOW
13h 42m2 stops
$268WestJet
Find Deal
Fri, Nov 28 - Fri, Dec 5
United Airlines Logo
7:30 pm - 11:08 amYOW-TPA
15h 38m1 stop
United Airlines Logo
12:27 pm - 11:45 pmTPA-YOW
11h 18m2 stops
$296United Airlines
Find Deal
Mon, Dec 15 - Wed, Apr 8
United Airlines Logo
9:45 am - 3:13 pmYOW-TPA
5h 28m1 stop
United Airlines Logo
12:27 pm - 11:45 pmTPA-YOW
11h 18m2 stops
$300United Airlines
Find Deal
Wed, Dec 17 - Tue, Apr 7

WestJet flights from Ottawa to United States

Our best WestJet deals on Ottawa to United States flight tickets
WestJet
Nov 28
YOW5:40 amOttawa
9h 18m
1 stop
LAS11:58 amLas Vegas Harry Reid Intl
Dec 5
LAS8:00 amLas Vegas Harry Reid Intl
13h 42m
2 stops
YOW12:42 amOttawa
$267
Find similar
WestJet
Nov 28
YOW5:40 amOttawa
9h 18m
1 stop
LAS11:58 amLas Vegas Harry Reid Intl
Dec 5
LAS8:00 amLas Vegas Harry Reid Intl
13h 42m
2 stops
YOW12:42 amOttawa
$268
Find similar
WestJet
Nov 28
YOW5:40 amOttawa
9h 18m
1 stop
LAS11:58 amLas Vegas Harry Reid Intl
Dec 5
LAS8:00 amLas Vegas Harry Reid Intl
13h 42m
2 stops
YOW12:42 amOttawa
$269
Find similar

United Airlines flights from Ottawa to United States

Our best United Airlines deals on Ottawa to United States flight tickets
United Airlines
Dec 15
YOW7:30 pmOttawa
15h 38m
1 stop
TPA11:08 amTampa
Apr 8
TPA12:27 pmTampa
11h 18m
2 stops
YOW11:45 pmOttawa
$296
Find similar
United Airlines
Dec 17
YOW9:45 amOttawa
5h 28m
1 stop
TPA3:13 pmTampa
Apr 7
TPA12:27 pmTampa
11h 18m
2 stops
YOW11:45 pmOttawa
$300
Find similar
United Airlines
Dec 14
YOW2:17 pmOttawa
10h 35m
1 stop
LAS9:52 pmLas Vegas Harry Reid Intl
Dec 14
LAS11:59 pmLas Vegas Harry Reid Intl
7h 27m
1 stop
YOW10:26 amOttawa
$301
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 November 5, 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 12/2

4:15 pm-7:55 pm

Nonstop3h 40m

Fort Lauderdale

Sat 12/13

1:55 pm-5:25 pm

Nonstop3h 30m

$173

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Tue 12/2

4:15 pm-7:55 pm

Nonstop3h 40m

Fort Lauderdale

Sat 12/6

1:55 pm-5:25 pm

Nonstop3h 30m

$175

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Fri 1/23

4:20 pm-10:35 am

2 stops18h 15m

Fort Lauderdale

Sat 2/7

8:55 pm-12:25 am

Nonstop3h 30m

$185

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Mon 12/1

9:30 am-11:52 pm

2 stops14h 22m

Fort Lauderdale

Fri 12/5

11:40 am-6:25 pm

1 stop6h 45m

$187

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Fri 12/5

4:05 pm-7:35 pm

Nonstop3h 30m

Orlando

Mon 12/8

8:30 am-4:23 pm

1 stop7h 53m

$197

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Tue 11/18

5:45 am-1:25 pm

1 stop7h 40m

Fort Lauderdale

Tue 3/31

11:20 am-2:39 pm

Nonstop3h 19m

$197

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 11/28

5:40 am-11:58 am

1 stop9h 18m

Las Vegas Harry Reid Intl

Fri 12/5

8:00 am-12:42 am

2 stops13h 42m

$267

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 11/28

5:40 am-11:58 am

1 stop9h 18m

Las Vegas Harry Reid Intl

Fri 12/5

8:00 am-12:42 am

2 stops13h 42m

$268

OttawaTampa

YOW - TPA

YOWTPA

Ottawa

Mon 12/15

7:30 pm-11:08 am

1 stop15h 38m

Tampa

Wed 4/8

12:27 pm-11:45 pm

2 stops11h 18m

$296

OttawaTampa

YOW - TPA

YOWTPA

Ottawa

Wed 12/17

9:45 am-3:13 pm

1 stop5h 28m

Tampa

Tue 4/7

12:27 pm-11:45 pm

2 stops11h 18m

$300

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 $310. 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 $471. 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 $665. 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 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 $443 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 $164 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

$176

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 $176. The best round-trip flight deal from Ottawa to United States found on momondo in the last 72 hours is $206.
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 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
United AirlinesPriceFrom $171Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
WestJetPriceFrom $176Free CancellationRating
7.2
3,153 reviews
Search WestJet flights
Air CanadaPriceFrom $180Free CancellationRating
7.1
10,404 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $184Free CancellationRating
8.0
387 reviews
Search Porter 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?

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.

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Fri 12/5
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