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Cheap flights from Ottawa to the United States from C$ 154

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LAX
16 Apr — 23 Apr1
1 adult

Cheap flight deals from Ottawa to USA

Keep the following information in mind while searching for Ottawa to USA flight deals. Data was last updated 11 April 2025.

Round-trip from

C$ 267

One-way from

C$ 154

Popular in

August

Cheapest in

January

Average price

C$ 409

Good round-trip deal

C$ 211 or less

Good one-way deal

C$ 145 or less
Porter Airlines
  • Porter Airlines
  • 23/4-30/4
  • Nonstop
  • 7h 14m total
  • Ottawa to USA
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WestJet
  • WestJet
  • 9/7
  • 2 total stops
  • 13h 20m total
  • Ottawa to USA
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Ottawa to USA.
Search Deals
Price to beat on a one-way flight from Ottawa to USA.
Search Deals

Find flight deals from Ottawa to USA

Cheapest flights from Ottawa to USA
Explore the most affordable flight options available from Ottawa to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 April 2025.

Wed 23/44:20 p.m.YOW - FLL
Nonstop3h 39mPorter Airlines
Wed 30/42:05 p.m.FLL - YOW
Nonstop3h 35mPorter Airlines
Deal found 9/4C$ 267
Tue 20/59:35 a.m.YOW - EWR
1 stop5h 55mPorter Airlines
Sat 24/52:15 p.m.EWR - YOW
Nonstop1h 41mPorter Airlines
Deal found 10/4C$ 271
Mon 28/46:10 p.m.YOW - LAS
Nonstop5h 30mPorter Airlines
Wed 7/512:20 p.m.LAS - YOW
Nonstop4h 35mPorter Airlines
Deal found 10/4C$ 281
Fri 11/49:25 a.m.YOW - MCO
Nonstop3h 26mPorter Airlines
Fri 18/41:50 p.m.MCO - YOW
Nonstop3h 22mPorter Airlines
Deal found 10/4C$ 282
Mon 12/512:20 p.m.YOW - LAS
1 stop9h 22mWestJet
Sat 17/56:20 p.m.LAS - YOW
1 stop9h 28mWestJet
Deal found 10/4C$ 291
Mon 26/57:15 p.m.YOW - LAX
1 stop25h 02mWestJet
Thu 29/56:05 p.m.LAX - YOW
1 stop9h 43mWestJet
Deal found 10/4C$ 302
Mon 21/77:00 a.m.YOW - LAX
1 stop9h 00mMultiple Airlines
Mon 21/79:10 p.m.LAX - YOW
1 stop24h 38mMultiple Airlines
Deal found 10/4C$ 312
Thu 22/510:15 a.m.YOW - BOS
1 stop4h 51mPorter Airlines
Mon 26/512:15 p.m.BOS - YOW
1 stop4h 18mPorter Airlines
Deal found 10/4C$ 312
Sun 27/44:20 p.m.YOW - MCO
Nonstop3h 24mMultiple Airlines
Wed 30/46:00 a.m.MCO - YOW
1 stop11h 40mMultiple Airlines
Deal found 10/4C$ 313
Tue 29/47:00 a.m.YOW - MCO
Nonstop3h 17mAir Canada
Fri 2/57:15 a.m.MCO - YOW
1 stop10h 18mAir Canada
Deal found 10/4C$ 314
Tue 27/55:15 a.m.YOW - LAX
1 stop8h 26mUnited Airlines
Thu 29/512:20 a.m.LAX - YOW
1 stop10h 44mUnited Airlines
Deal found 10/4C$ 316
Sat 24/53:50 p.m.YOW - FLL
Nonstop3h 45mMultiple Airlines
Tue 27/57:25 p.m.FLL - YOW
1 stop21h 41mMultiple Airlines
Deal found 10/4C$ 317

Cheapflights Fare Finder

Customize your flight search to find flights from Ottawa to USA 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, Cheapflights users made 629,999 searches. Data last updated 11 April 2025.
Use the filters below to find and compare flights from Ottawa to the United States that are best for you.

Fly from

Ottawa

Fly to

USA

Route

Depart

Return

Price

OttawaFort Lauderdale

YOW - FLL

YOWFLL

Ottawa

Wed 23/4

4:20 p.m.-7:59 p.m.

Nonstop3h 39m

Fort Lauderdale

Wed 30/4

2:05 p.m.-5:40 p.m.

Nonstop3h 35m

C$ 267

OttawaNewark

YOW - EWR

YOWEWR

Ottawa

Tue 20/5

9:35 a.m.-3:30 p.m.

1 stop5h 55m

Newark

Sat 24/5

2:15 p.m.-3:56 p.m.

Nonstop1h 41m

C$ 271

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 28/4

6:10 p.m.-8:40 p.m.

Nonstop5h 30m

Las Vegas Harry Reid Intl

Wed 7/5

12:20 p.m.-7:55 p.m.

Nonstop4h 35m

C$ 281

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Mon 19/5

4:25 p.m.-7:41 p.m.

Nonstop3h 16m

Orlando

Mon 26/5

1:45 p.m.-5:06 p.m.

Nonstop3h 21m

C$ 282

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Mon 12/5

12:20 p.m.-6:42 p.m.

1 stop9h 22m

Las Vegas Harry Reid Intl

Sat 17/5

6:20 p.m.-6:48 a.m.

1 stop9h 28m

C$ 291

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Mon 26/5

7:15 p.m.-5:17 p.m.

1 stop25h 02m

Los Angeles

Thu 29/5

6:05 p.m.-6:48 a.m.

1 stop9h 43m

C$ 302

OttawaLos Angeles

YOW - LAX

YOWLAX

Ottawa

Mon 21/7

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

1 stop9h 00m

Los Angeles

Mon 21/7

9:10 p.m.-12:48 a.m.

1 stop24h 38m

C$ 312

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Thu 22/5

10:15 a.m.-3:06 p.m.

1 stop4h 51m

Boston Logan Intl

Mon 26/5

12:15 p.m.-4:33 p.m.

1 stop4h 18m

C$ 312

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Sun 27/4

4:20 p.m.-7:44 p.m.

Nonstop3h 24m

Orlando

Wed 30/4

6:00 a.m.-5:40 p.m.

1 stop11h 40m

C$ 313

OttawaOrlando

YOW - MCO

YOWMCO

Ottawa

Tue 29/4

7:00 a.m.-10:17 a.m.

Nonstop3h 17m

Orlando

Fri 2/5

7:15 a.m.-5:33 p.m.

1 stop10h 18m

C$ 314

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/4

Showing 1-10 of 60 results
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, September is the cheapest month in which you can book a flight from Ottawa to USA (average of C$ 230). Flying from Ottawa to USA in July is currently the most expensive (average of C$ 314). 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?

Find hourly flight availability from Ottawa to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 April 2025.

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.

Rainfall in USA by month

Plan your trip to USA by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in USA ranges from 61.0 - 221.0 mm per month. June is typically the wettest month, when rainfall can reach 221.0 mm. November is typically the driest time to visit USA when rainfall is around 61.0 mm.

Temperature in USA by month

Plan your trip to USA by taking into account the average temperature totals by month.

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 11 April 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Delta and Air Transat from Ottawa to USA to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
280 reviews
Check prices

Crew

8.7

Entertainment

6.9

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very good
280 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Crew

8.7

Entertainment

6.9

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Delta
8.0
Very good
7,911 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Crew

8.7

Entertainment

6.9

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Crew

8.7

Entertainment

6.9

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
United Airlines
7.4
Good
8,636 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Crew

8.7

Entertainment

6.9

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
WestJet
7.2
Good
2,802 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Crew

8.7

Entertainment

6.9

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

Related info for your journey

Find useful and relevant information for your journey from Ottawa to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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.

  • 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 WestJet (C$ 154), Porter Airlines (C$ 161), and Air Canada (C$ 174).

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

    The most popular flight routes from Ottawa to USA are Ottawa - Newark, Ottawa - New York LaGuardia and Ottawa - New York John F Kennedy Intl.

  • 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, September is the cheapest month in which you can book a flight from Ottawa to USA (average of C$ 230). Flying from Ottawa to USA in July is currently the most expensive (average of C$ 314). 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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Ottawa to USA

Discover the top 6 airlines that operate flights from Ottawa to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 248AverageC$ 496FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 248AverageC$ 646FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 282AverageC$ 470FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 288AverageC$ 442FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 327AverageC$ 677FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Flair AirlinesCheapestC$ 394AverageC$ 452FlexibilityNo cancel feeOn-timeN/A
Search Flair Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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