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Cheap flights from the United States to Ottawa from C$ 133

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
30 Mar — 6 Apr1
1 adult

Cheap flight deals from USA to Ottawa

Keep the following information in mind while searching for USA to Ottawa flight deals. Data was last updated 25 March 2025.

Round-trip from

C$ 268

One-way from

C$ 133

Popular in

August

Cheapest in

April

Average price

C$ 344

Good round-trip deal

C$ 155 or less

Good one-way deal

C$ 106 or less
Porter Airlines
  • Porter Airlines
  • 6/5-13/5
  • 1 total stop
  • 5h 58m total
  • USA to Ottawa
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Porter Airlines
  • Porter Airlines
  • 12/5
  • 1 total stop
  • 4h 58m total
  • USA to Ottawa
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 42 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from USA to Ottawa.
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Price to beat on a one-way flight from USA to Ottawa.
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Find flight deals from USA to Ottawa

Cheapest flights from USA to Ottawa
Explore the most affordable flight options available from USA to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Tue 6/53:05 p.m.EWR - YOW
1 stop4h 28mPorter Airlines
Tue 13/512:00 p.m.YOW - EWR
Nonstop1h 30mPorter Airlines
Deal found 23/3C$ 268
Fri 11/41:50 p.m.MCO - YOW
Nonstop3h 22mPorter Airlines
Tue 15/44:20 p.m.YOW - MCO
Nonstop3h 24mPorter Airlines
Deal found 24/3C$ 307
Thu 8/56:50 a.m.EWR - YOW
1 stop3h 38mMultiple Airlines
Thu 15/59:05 a.m.YOW - EWR
1 stop5h 40mMultiple Airlines
Deal found 24/3C$ 308
Thu 24/47:00 a.m.IAD - YOW
1 stop4h 14mPorter Airlines
Tue 29/47:00 a.m.YOW - IAD
1 stop5h 59mPorter Airlines
Deal found 24/3C$ 311
Wed 21/56:15 a.m.LGA - YOW
1 stop4h 06mPorter Airlines
Mon 26/52:20 p.m.YOW - LGA
1 stop6h 45mPorter Airlines
Deal found 23/3C$ 358
Fri 28/34:50 p.m.MCO - YOW
Nonstop3h 22mMultiple Airlines
Sun 30/35:55 a.m.YOW - MCO
1 stop15h 04mMultiple Airlines
Deal found 24/3C$ 358
Wed 7/53:50 p.m.BOS - YOW
Nonstop1h 28mMultiple Airlines
Wed 14/52:30 p.m.YOW - BOS
1 stop3h 39mMultiple Airlines
Deal found 23/3C$ 360
Sat 19/411:25 a.m.BOS - YOW
1 stop4h 04mPorter Airlines
Sun 20/47:00 a.m.YOW - BOS
1 stop3h 40mPorter Airlines
Deal found 23/3C$ 362
Thu 17/412:55 p.m.DCA - YOW
Nonstop1h 32mAir Canada
Sun 20/410:25 a.m.YOW - DCA
Nonstop1h 36mAir Canada
Deal found 24/3C$ 371
Thu 17/42:40 p.m.IAD - YOW
1 stop4h 39mAir Canada
Sun 20/49:50 a.m.YOW - IAD
Nonstop1h 43mAir Canada
Deal found 24/3C$ 387
Thu 15/57:05 a.m.LGA - YOW
1 stop3h 20mAir Canada
Sat 17/52:30 p.m.YOW - LGA
1 stop3h 38mAir Canada
Deal found 23/3C$ 388
Thu 15/56:30 a.m.EWR - YOW
1 stop4h 34mAir Canada
Sat 17/56:15 p.m.YOW - EWR
Nonstop1h 44mAir Canada
Deal found 23/3C$ 391

Cheapflights Fare Finder

Customize your flight search to find flights from USA to Ottawa 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 25 March 2025.
Use the filters below to find and compare flights from the United States to Ottawa that are best for you.

Fly from

USA

Fly to

Ottawa

Route

Depart

Return

Price

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Tue 6/5

3:05 p.m.-7:33 p.m.

1 stop4h 28m

Ottawa

Tue 13/5

12:00 p.m.-1:30 p.m.

Nonstop1h 30m

C$ 268

OrlandoOttawa

MCO - YOW

MCOYOW

Orlando

Fri 11/4

1:50 p.m.-5:12 p.m.

Nonstop3h 22m

Ottawa

Tue 15/4

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

Nonstop3h 24m

C$ 307

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Thu 8/5

6:50 a.m.-10:28 a.m.

1 stop3h 38m

Ottawa

Thu 15/5

9:05 a.m.-2:45 p.m.

1 stop5h 40m

C$ 308

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 24/4

7:00 a.m.-11:14 a.m.

1 stop4h 14m

Ottawa

Tue 29/4

7:00 a.m.-12:59 p.m.

1 stop5h 59m

C$ 311

New YorkOttawa

LGA - YOW

LGAYOW

New York LaGuardia

Wed 21/5

6:15 a.m.-10:21 a.m.

1 stop4h 06m

Ottawa

Mon 26/5

2:20 p.m.-9:05 p.m.

1 stop6h 45m

C$ 358

OrlandoOttawa

MCO - YOW

MCOYOW

Orlando

Mon 26/5

9:00 p.m.-12:22 a.m.

1 stop27h 22m

Ottawa

Wed 28/5

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

Nonstop3h 16m

C$ 362

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 11/4

5:29 p.m.-5:42 p.m.

1 stop24h 13m

Ottawa

Sun 13/4

5:00 p.m.-6:35 p.m.

Nonstop1h 35m

C$ 370

New YorkOttawa

LGA - YOW

LGAYOW

New York LaGuardia

Thu 15/5

7:05 a.m.-10:25 a.m.

1 stop3h 20m

Ottawa

Sat 17/5

2:30 p.m.-6:08 p.m.

1 stop3h 38m

C$ 388

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Thu 15/5

6:30 a.m.-11:04 a.m.

1 stop4h 34m

Ottawa

Sat 17/5

6:15 p.m.-7:59 p.m.

Nonstop1h 44m

C$ 391

OrlandoOttawa

MCO - YOW

MCOYOW

Orlando

Tue 15/4

8:25 a.m.-3:07 p.m.

1 stop6h 42m

Ottawa

Wed 30/4

11:00 a.m.-4:57 p.m.

1 stop5h 57m

C$ 393

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

Showing 1-10 of 60 results
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Best time to book a flight from USA to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from USA 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 the United States to Ottawa

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

Currently, October is the cheapest month in which you can book a flight from USA to Ottawa (average of C$ 224). Flying from USA to Ottawa in December is currently the most expensive (average of C$ 326). 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 US to YOW?

Find hourly flight availability from USA to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

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

Rainfall in Ottawa by month

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

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Temperature in Ottawa by month

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

If weather is an important factor for your trip to Ottawa, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated 25 March 2025.
Get a feel of what it's like to fly with Delta, Porter Airlines and Air Transat from USA to Ottawa by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,890 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
7.9
Good
275 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,785 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from USA to Ottawa. 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 into for flights to Ottawa from United States?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly into when you book flights from United States to Ottawa.

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

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as C$ 133. Users have also found prices from C$ 158 and C$ 160 on Air Canada and Air Transat, respectively.

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

    The most popular route from USA to Ottawa is Newark - Ottawa. You may also consider Washington, D.C. Dulles Intl - Ottawa or Chicago O'Hare Intl - Ottawa.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from USA to Ottawa 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 USA to Ottawa?

    Currently, October is the cheapest month in which you can book a flight from USA to Ottawa (average of C$ 224). Flying from USA to Ottawa in December is currently the most expensive (average of C$ 326). 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

Travelling to a place near the United States?

Book flights to the United States if you plan to visit one of these locations
Gatineau
Perth
Smiths Falls
Prescott
Brockville
Wakefield
Lanark

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Alternative routes for USA to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from USA to Ottawa

Discover the top 2 airlines that operate flights from USA to Ottawa. 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 170AverageC$ 750FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 303AverageC$ 582FlexibilityNo cancel feeOn-time52%
Search Porter 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 USA to Ottawa?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from USA to Ottawa. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from USA to Ottawa for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from USA to Ottawa with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for USA to Ottawa flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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