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Cheap flights from the United States to Ottawa from C$ 108

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YOW
20 abr. — 27 abr.1
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 15 abril 2025.

Round-trip from

C$ 257

One-way from

C$ 108

Popular in

January

Cheapest in

November

Average price

C$ 368

Good round-trip deal

C$ 200 or less

Good one-way deal

C$ 129 or less
Porter Airlines
  • Porter Airlines
  • 14/5-21/5
  • Nonstop
  • 3h 11m total
  • USA to Ottawa
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Porter Airlines
  • Porter Airlines
  • 14/5
  • Nonstop
  • 1h 41m total
  • USA to Ottawa
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
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Average for round-trip flights in April 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 15 abril 2025.

mié. 14/55:15 p.m.EWR - YOW
Nonstop1h 41mPorter Airlines
mié. 21/54:10 p.m.YOW - EWR
Nonstop1h 30mPorter Airlines
Deal found 14/4C$ 257
mié. 14/56:15 a.m.LGA - YOW
1 stop4h 06mPorter Airlines
mié. 21/511:20 a.m.YOW - LGA
1 stop5h 10mPorter Airlines
Deal found 14/4C$ 281
jue. 8/55:15 p.m.EWR - YOW
Nonstop1h 41mMultiple Airlines
dom. 11/56:05 a.m.YOW - EWR
Nonstop1h 42mMultiple Airlines
Deal found 14/4C$ 313
vie. 30/57:05 a.m.LGA - YOW
1 stop3h 20mAir Canada
vie. 6/62:25 p.m.YOW - LGA
1 stop3h 43mAir Canada
Deal found 15/4C$ 314
jue. 8/58:45 a.m.BOS - YOW
Nonstop1h 28mPorter Airlines
dom. 11/53:25 p.m.YOW - BOS
1 stop4h 11mPorter Airlines
Deal found 14/4C$ 320
vie. 30/53:50 p.m.BOS - YOW
Nonstop1h 28mMultiple Airlines
vie. 6/69:05 a.m.YOW - BOS
1 stop5h 27mMultiple Airlines
Deal found 15/4C$ 328
lun. 26/59:40 a.m.MDW - YOW
1 stop5h 53mPorter Airlines
vie. 30/512:35 p.m.YOW - MDW
1 stop5h 19mPorter Airlines
Deal found 14/4C$ 341
mié. 14/59:00 a.m.JFK - YOW
1 stop4h 50mAir Canada
mié. 21/55:55 p.m.YOW - JFK
1 stop4h 50mAir Canada
Deal found 14/4C$ 342
dom. 1/66:05 p.m.SFO - YOW
1 stop9h 40mMultiple Airlines
sáb. 7/66:00 a.m.YOW - SFO
1 stop8h 35mMultiple Airlines
Deal found 15/4C$ 373
mar. 13/55:50 a.m.BOS - YOW
1 stop3h 11mAir Canada
jue. 15/59:05 a.m.YOW - BOS
1 stop5h 27mAir Canada
Deal found 14/4C$ 375
mié. 14/51:30 p.m.SFO - YOW
1 stop7h 51mPorter Airlines
dom. 18/57:00 a.m.YOW - SFO
1 stop8h 30mPorter Airlines
Deal found 15/4C$ 377
sáb. 10/57:45 a.m.EWR - YOW
1 stop6h 05mAir Canada
dom. 11/59:05 a.m.YOW - EWR
1 stop5h 40mAir Canada
Deal found 14/4C$ 378

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 15 abril 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

mié. 14/5

5:15 p.m.-6:56 p.m.

Nonstop1h 41m

Ottawa

mié. 21/5

4:10 p.m.-5:40 p.m.

Nonstop1h 30m

C$ 257

New YorkOttawa

LGA - YOW

LGAYOW

New York LaGuardia

mié. 14/5

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

1 stop4h 06m

Ottawa

mié. 21/5

11:20 a.m.-4:30 p.m.

1 stop5h 10m

C$ 281

NewarkOttawa

EWR - YOW

EWRYOW

Newark

jue. 8/5

5:15 p.m.-6:56 p.m.

Nonstop1h 41m

Ottawa

dom. 11/5

6:05 a.m.-7:47 a.m.

Nonstop1h 42m

C$ 313

New YorkOttawa

LGA - YOW

LGAYOW

New York LaGuardia

vie. 30/5

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

1 stop3h 20m

Ottawa

vie. 6/6

2:25 p.m.-6:08 p.m.

1 stop3h 43m

C$ 314

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

jue. 8/5

8:45 a.m.-10:13 a.m.

Nonstop1h 28m

Ottawa

dom. 11/5

3:25 p.m.-7:36 p.m.

1 stop4h 11m

C$ 320

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

jue. 8/5

5:50 a.m.-10:25 a.m.

1 stop4h 35m

Ottawa

dom. 11/5

3:25 p.m.-9:31 p.m.

1 stop6h 06m

C$ 335

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

lun. 26/5

9:40 a.m.-4:33 p.m.

1 stop5h 53m

Ottawa

vie. 30/5

12:35 p.m.-4:54 p.m.

1 stop5h 19m

C$ 341

New YorkOttawa

JFK - YOW

JFKYOW

New York John F Kennedy Intl

mar. 6/5

9:00 a.m.-1:50 p.m.

1 stop4h 50m

Ottawa

mar. 13/5

5:55 p.m.-10:45 p.m.

1 stop4h 50m

C$ 342

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

dom. 1/6

6:05 p.m.-6:45 a.m.

1 stop9h 40m

Ottawa

sáb. 7/6

6:00 a.m.-11:35 a.m.

1 stop8h 35m

C$ 373

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

mar. 13/5

5:50 a.m.-9:01 a.m.

1 stop3h 11m

Ottawa

jue. 15/5

9:05 a.m.-2:32 p.m.

1 stop5h 27m

C$ 375

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

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 15 abril 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 15 abril 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta 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.
Porter Airlines
8.0
Very good
281 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.7

Entertainment

7.0

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
281 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.7

Entertainment

7.0

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
7,917 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.7

Entertainment

7.0

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
281 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.7

Entertainment

7.0

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
8,658 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.7

Entertainment

7.0

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
2,805 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.7

Entertainment

7.0

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 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$ 108. Users have also found prices from C$ 134 and C$ 172 on Air Canada 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 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 15 abril 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 165AverageC$ 719FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 294AverageC$ 554FlexibilityNo 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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