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Cheap flights from the United States to Ottawa from C$ 114

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
24 Apr — 1 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from USA to Ottawa

Enter your travel dates to find the best prices.

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 2026.

Fri 24/710:40 a.m.
EWR
-
YOW
Nonstop1h 45m
Porter Airlines
Fri 24/73:30 p.m.
YOW
-
EWR
1 stop4h 10m
Porter Airlines
Deal found 20/3C$ 245
Sun 26/710:40 a.m.
EWR
-
YOW
Nonstop1h 45m
Porter Airlines
Sun 26/73:30 p.m.
YOW
-
EWR
1 stop6h 35m
Porter Airlines
Deal found 20/3C$ 294
Sun 26/410:55 a.m.
EWR
-
YOW
Nonstop1h 40m
Porter Airlines
Sun 26/43:35 p.m.
YOW
-
EWR
1 stop4h 10m
Porter Airlines
Deal found 22/3C$ 323
Fri 3/47:35 p.m.
EWR
-
YOW
1 stop15h 54m
Porter Airlines
Sat 4/43:55 p.m.
YOW
-
EWR
Nonstop1h 34m
Porter Airlines
Deal found 23/3C$ 358
Sat 11/410:55 a.m.
EWR
-
YOW
Nonstop1h 40m
Multiple Airlines
Mon 13/45:40 a.m.
YOW
-
EWR
1 stop8h 20m
Multiple Airlines
Deal found 21/3C$ 373
Wed 8/43:45 p.m.
EWR
-
YOW
Nonstop1h 40m
Multiple Airlines
Mon 13/45:40 a.m.
YOW
-
EWR
1 stop8h 20m
Multiple Airlines
Deal found 23/3C$ 374
Mon 30/33:45 p.m.
EWR
-
YOW
Nonstop1h 40m
Porter Airlines
Fri 10/48:40 a.m.
YOW
-
EWR
1 stop6h 20m
Porter Airlines
Deal found 20/3C$ 375
Mon 13/43:45 p.m.
EWR
-
YOW
Nonstop1h 40m
Porter Airlines
Fri 17/43:55 p.m.
YOW
-
EWR
Nonstop1h 34m
Porter Airlines
Deal found 23/3C$ 377
Mon 20/43:45 p.m.
EWR
-
YOW
Nonstop1h 40m
Multiple Airlines
Mon 27/46:55 a.m.
YOW
-
EWR
1 stop8h 05m
Multiple Airlines
Deal found 23/3C$ 397
Fri 24/43:45 p.m.
EWR
-
YOW
Nonstop1h 40m
Porter Airlines
Sun 26/49:20 a.m.
YOW
-
EWR
Nonstop1h 34m
Porter Airlines
Deal found 24/3C$ 399
Mon 20/43:45 p.m.
EWR
-
YOW
Nonstop1h 40m
Porter Airlines
Mon 27/49:20 a.m.
YOW
-
EWR
Nonstop1h 34m
Porter Airlines
Deal found 23/3C$ 400
Fri 1/57:10 a.m.
BOS
-
YOW
1 stop3h 49m
Porter Airlines
Mon 4/53:30 p.m.
YOW
-
BOS
1 stop4h 16m
Porter Airlines
Deal found 23/3C$ 432

Find 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 2026.

Round-trip from

C$ 245

One-way from

C$ 114

Popular in

February

Cheapest in

April

Average price

C$ 399

Good round-trip deal

C$ 285 or less

Good one-way deal

C$ 171 or less
Porter Airlines
  • Porter Airlines
  • 24/7-24/7
  • 1 total stop
  • 5h 55m total
  • USA to Ottawa
Search Deals
Porter Airlines
  • Porter Airlines
  • 8/4
  • Nonstop
  • 1h 40m total
  • USA to Ottawa
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from USA to Ottawa.
Search Deals
Price to beat on a one-way flight from USA to Ottawa.
Search Deals

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 2026.
Use the filters below to find and compare flights from the United States to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 1/5

7:10 a.m.-10:59 a.m.

1 stop3h 49m

Ottawa

Mon 4/5

3:30 p.m.-7:46 p.m.

1 stop4h 16m

C$ 432

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Fri 1/5

3:55 p.m.-5:40 p.m.

Nonstop1h 45m

Ottawa

Sat 9/5

2:20 p.m.-3:55 p.m.

Nonstop1h 35m

C$ 462

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Sat 4/7

7:34 a.m.-9:11 a.m.

Nonstop1h 37m

Ottawa

Sun 5/7

6:05 a.m.-7:34 a.m.

Nonstop1h 29m

C$ 485

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Sun 26/4

7:40 a.m.-5:07 p.m.

1 stop9h 27m

Ottawa

Sun 26/4

7:30 p.m.-9:59 a.m.

1 stop14h 29m

C$ 490

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Wed 29/4

3:45 p.m.-5:25 p.m.

Nonstop1h 40m

Ottawa

Sat 2/5

2:20 p.m.-3:55 p.m.

Nonstop1h 35m

C$ 501

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Wed 3/6

3:55 p.m.-5:40 p.m.

Nonstop1h 45m

Ottawa

Sat 6/6

2:20 p.m.-3:55 p.m.

Nonstop1h 35m

C$ 501

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Sat 20/6

7:34 a.m.-9:11 a.m.

Nonstop1h 37m

Ottawa

Sat 20/6

3:10 p.m.-4:53 p.m.

Nonstop1h 43m

C$ 501

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Wed 3/6

9:50 p.m.-10:03 a.m.

1 stop12h 13m

Ottawa

Sat 6/6

3:10 p.m.-4:53 p.m.

Nonstop1h 43m

C$ 514

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Wed 29/4

2:24 p.m.-9:35 p.m.

1 stop7h 11m

Ottawa

Sat 2/5

5:50 p.m.-7:35 p.m.

Nonstop1h 45m

C$ 514

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Thu 18/6

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

2 stops11h 55m

Ottawa

Mon 22/6

3:30 p.m.-7:40 p.m.

1 stop4h 10m

C$ 517

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from USA to Ottawa (average of C$ 107). Flying from USA to Ottawa in January is currently the most expensive (average of C$ 199). 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 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 25% on flights from USA to Ottawa by exploring options for tickets in the morning.

What is the cheapest day to fly from USA to Ottawa?

Use this chart to determine the cheapest time to fly round-trip from USA to Ottawa. Price data was last updated on 31 August 2025.

Travelers seeking maximum savings on their USA to Ottawa flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

About 17% of weekly flights between United States and Ottawa have experienced delays in the past year, with the average delay time being 149 minutes.

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

Historically, flights departing in the evening 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?

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

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

Over the past year, United Airlines has had the lowest number of delays on this route, with just 14% of flights being delayed.

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 2026.
Read reviews from past customers who have flown Porter Airlines,United Airlines, andAir Canada from the United States to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
428 reviews
Check prices

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
428 reviews
Porter Airlines
8.0
Very good
428 reviews
Check prices

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,477 reviews
Porter Airlines
8.0
Very good
428 reviews
Check prices

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,838 reviews
Porter Airlines
8.0
Very good
428 reviews
Check prices

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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.

  • How long is the flight from USA to Ottawa?

    For as low as C$ 539, Porter Airlines can have you in Ottawa from USA in 3h 31m. Airlines will cover a distance of 526 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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$ 86. Users have also found prices from C$ 94 and C$ 102 on United Airlines and WestJet, 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 Chicago O'Hare Intl - Ottawa or Washington, D.C. Dulles 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, February is the cheapest month in which you can book a flight from USA to Ottawa (average of C$ 107). Flying from USA to Ottawa in January is currently the most expensive (average of C$ 199). 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Perth
Wakefield
Pembroke
Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

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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 3 airlines flying from USA to Ottawa

Discover the top 3 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 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 145AverageC$ 473FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 203AverageC$ 380FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 217AverageC$ 474FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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