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Cheap flights from Ottawa to the United States from C$ 145

YOW — LAX
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to USA

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to USA

Thu 3/123:15 p.m. -
Nonstop1h 40m
Mon 7/1212:50 p.m. -
Nonstop1h 42m
Deal found 26/10C$ 221
Tue 8/123:15 p.m. -
Nonstop1h 40m
Sat 12/125:35 p.m. -
Nonstop1h 42m
Deal found 26/10C$ 229
Sun 22/1110:30 a.m. -
Nonstop1h 36m
Wed 25/1112:50 p.m. -
Nonstop1h 42m
Deal found 26/10C$ 243
Thu 3/123:15 p.m. -
Nonstop1h 40m
Sun 6/1212:50 p.m. -
Nonstop1h 42m
Deal found 26/10C$ 251
Tue 17/1110:30 a.m. -
Nonstop1h 36m
Tue 1/125:35 p.m. -
Nonstop1h 42m
Deal found 26/10C$ 258
Mon 16/1110:30 a.m. -
Nonstop1h 36m
Thu 14/12:15 p.m. -
1 stop5h 55m
Deal found 26/10C$ 271
Thu 19/1110:30 a.m. -
Nonstop1h 36m
Mon 23/116:55 a.m. -
1 stop4h 42m
Deal found 26/10C$ 275
Tue 1/127:00 a.m. -
1 stop8h 04m
Fri 11/127:30 a.m. -
1 stop5h 40m
Deal found 26/10C$ 293
Tue 1/124:40 p.m. -
Nonstop3h 20m
Sat 10/48:55 p.m. -
Nonstop3h 11m
Deal found 27/10C$ 302
Sun 15/117:05 a.m. -
Nonstop3h 35m
Wed 25/117:50 p.m. -
Nonstop3h 29m
Deal found 27/10C$ 310
Sun 22/117:05 a.m. -
Nonstop3h 35m
Wed 9/127:50 p.m. -
Nonstop3h 30m
Deal found 26/10C$ 311
Mon 9/117:05 a.m. -
Nonstop3h 35m
Wed 11/111:55 p.m. -
Nonstop3h 29m
Deal found 26/10C$ 313

Find flight deals from Ottawa to USA

Round-trip from

C$ 218

One-way from

C$ 145

Popular in

December

Cheapest in

January

Average price

C$ 441

Good round-trip deal

C$ 283 or less

Good one-way deal

C$ 170 or less
Porter Airlines
  • Porter Airlines
  • 8/12-12/12
  • Nonstop
  • 3h 23m total
  • Ottawa to USA
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Porter Airlines
  • Porter Airlines
  • 7/1-31/12
  • Nonstop
  • 1h 35m total
  • Ottawa to USA
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Ottawa to USA.
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Price to beat on a one-way flight from Ottawa to USA.
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Cheapflights Fare Finder

 
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

Cheapest round-trip

OttawaTampa

YOW Ottawa - TPA Tampa

YOWTPA

Ottawa

Tue 1/12

4:40 p.m.-8:00 p.m.

Nonstop3h 20m

Tampa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 154

OttawaTampa

YOW Ottawa - TPA Tampa

YOWTPA

Ottawa

Wed 9/12

7:00 a.m.-1:41 p.m.

1 stop6h 41m

Tampa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 193

OttawaTampa

YOW Ottawa - TPA Tampa

YOWTPA

Ottawa

Wed 2/12

5:10 a.m.-12:34 p.m.

1 stop7h 24m

Tampa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 197

OttawaTampa

YOW Ottawa - TPA Tampa

YOWTPA

Ottawa

Fri 8/1

5:30 a.m.-12:25 p.m.

1 stop6h 55m

Tampa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 197

OttawaNewark

YOW Ottawa - EWR Newark

YOWEWR

Ottawa

Sat 28/11

6:00 a.m.-7:50 a.m.

Nonstop1h 50m

Newark

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 201

OttawaNewark

YOW Ottawa - EWR Newark

YOWEWR

Ottawa

Tue 24/11

3:10 p.m.-5:00 p.m.

Nonstop1h 50m

Newark

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 201

OttawaFort Lauderdale

YOW Ottawa - FLL Fort Lauderdale

YOWFLL

Ottawa

Tue 5/1

5:30 a.m.-12:50 p.m.

1 stop7h 20m

Fort Lauderdale

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 202

OttawaTampa

YOW Ottawa - TPA Tampa

YOWTPA

Ottawa

Tue 1/12

4:40 p.m.-8:00 p.m.

Nonstop3h 20m

Tampa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 215

OttawaNewark

YOW Ottawa - EWR Newark

YOWEWR

Ottawa

Fri 27/11

3:10 p.m.-5:00 p.m.

Nonstop1h 50m

Newark

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 219

OttawaNewark

YOW Ottawa - EWR Newark

YOWEWR

Ottawa

Mon 14/12

3:10 p.m.-5:00 p.m.

Nonstop1h 50m

Newark

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 221

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ottawa to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Ottawa with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ottawa to the United States

What is the cheapest month to book a flight from Ottawa to USA?

Currently, January is the cheapest month in which you can book a flight from Ottawa to USA (average of C$ 475). Flying from Ottawa to USA in October is currently the most expensive (average of C$ 651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YOW to US?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to USA as you normally would.

How often are flights from Ottawa to the United States delayed?

About 22% of weekly flights between Ottawa and United States have experienced delays in the past year, with the average delay time being 133 minutes.

What is the most punctual flight time for Ottawa to the United States flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ottawa to the United States flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 16% of flights being delayed.

How far ahead should I book a flight from Ottawa to USA?

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to USA. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing USA

See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Ottawa to the United States have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
467 reviews
Check prices

Food

7.6

Entertainment

6.9

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Porter Airlines
8.0
Very good
467 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Food

7.6

Entertainment

6.9

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Transat
7.7
Good
584 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Food

7.6

Entertainment

6.9

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
United Airlines
7.3
Good
10,451 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Food

7.6

Entertainment

6.9

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
WestJet
7.2
Good
3,442 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Food

7.6

Entertainment

6.9

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Canada
7.1
Good
11,833 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Food

7.6

Entertainment

6.9

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

Related info for your journey

  • What airport do you fly from for flights from Ottawa to United States?

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to United States. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

  • How long is the flight from Ottawa to USA?

    Departing from Ottawa to USA will take you 4h. There are 528 km between Ottawa and USA. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Ottawa to USA one-way?

    The cheapest airlines for a one-way flight from Ottawa to USA are Air Transat (C$ 43), WestJet (C$ 122), and Porter Airlines (C$ 145).

  • What are the most popular routes from Ottawa to USA?

    The most popular flight routes from Ottawa to USA are Ottawa - Fort Lauderdale, Ottawa - Newark and Ottawa - Orlando.

  • Can I find deals for flights from Ottawa to USA that include hotel bookings?

    Yes. In addition to deals on Ottawa to USA flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to USA?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to USA.

  • Can I find deals for business class flights from Ottawa to USA?

    Yes. Cheapflights offers flight deals from Ottawa to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to USA?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to USA (average of C$ 475). Flying from Ottawa to USA in October is currently the most expensive (average of C$ 651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ottawa to USA

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Ottawa to Cancún flights

Top 7 airlines flying from Ottawa to USA

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 136AverageC$ 645FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 248AverageC$ 677FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 276AverageC$ 543FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 346AverageC$ 559FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 355AverageC$ 528FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 641AverageC$ 812FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 766AverageC$ 916FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ottawa to USA?

Cheapflights helps you search for flights from Ottawa to USA via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to USA?

Cheapflights simply makes it quick and affordable to book flights from Ottawa to USA by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ottawa to USA with no change fees?

Certainly. Search results for flights to USA from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ottawa to USA become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from Ottawa today and book when prices fit your budget.

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