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Cheap flights from Hamilton, ON to Ottawa from C$ 231

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — YOW
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Hamilton to Ottawa are usually found in November or April, booked 50 days in advance, depart on a Friday or Saturday and return on a Saturday

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Enter your travel dates to find the best prices.

Cheapest flights from Hamilton to Ottawa
Explore the most affordable flight options available from Hamilton to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 November 2025.

Thu 4/127:55 p.m.YHM - YOW
1 stop18h 06mPorter Airlines
Wed 10/126:35 p.m.YOW - YHM
1 stop18h 09mPorter Airlines
Deal found 12/11C$ 495
Tue 2/127:00 a.m.YHM - YOW
1 stop7h 39mPorter Airlines
Thu 4/128:55 p.m.YOW - YHM
1 stop15h 49mPorter Airlines
Deal found 11/11C$ 517
Thu 4/127:55 p.m.YHM - YOW
2 stops20h 58mMultiple Airlines
Wed 10/126:35 p.m.YOW - YHM
1 stop18h 09mMultiple Airlines
Deal found 12/11C$ 528
Wed 10/127:00 a.m.YHM - YOW
1 stop7h 39mPorter Airlines
Wed 10/128:55 p.m.YOW - YHM
1 stop15h 49mPorter Airlines
Deal found 11/11C$ 530
Thu 11/127:00 a.m.YHM - YOW
1 stop25h 00mMultiple Airlines
Sat 13/126:55 p.m.YOW - YHM
1 stop22h 22mMultiple Airlines
Deal found 12/11C$ 542
Fri 12/127:00 a.m.YHM - YOW
1 stop11h 09mMultiple Airlines
Sun 14/1210:00 a.m.YOW - YHM
1 stop10h 59mMultiple Airlines
Deal found 12/11C$ 574
Sun 7/127:00 a.m.YHM - YOW
1 stop11h 09mMultiple Airlines
Tue 9/126:00 a.m.YOW - YHM
2 stops16h 18mMultiple Airlines
Deal found 11/11C$ 581
Wed 3/127:00 a.m.YHM - YOW
1 stop7h 39mPorter Airlines
Fri 5/128:55 p.m.YOW - YHM
1 stop15h 49mPorter Airlines
Deal found 11/11C$ 583
Wed 10/127:55 p.m.YHM - YOW
1 stop18h 06mPorter Airlines
Wed 17/124:15 p.m.YOW - YHM
1 stop22h 45mPorter Airlines
Deal found 11/11C$ 609
Thu 4/127:00 a.m.YHM - YOW
1 stop7h 39mPorter Airlines
Sat 6/128:55 p.m.YOW - YHM
1 stop15h 49mPorter Airlines
Deal found 12/11C$ 612
Thu 4/128:15 a.m.YHM - YOW
1 stop11h 50mMultiple Airlines
Sat 6/126:45 p.m.YOW - YHM
2 stops22h 32mMultiple Airlines
Deal found 12/11C$ 614

Cheap flight deals from Hamilton to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 November 2025.

Round-trip from

C$ 495

One-way from

C$ 231

Popular in

May

Cheapest in

November

Average price

C$ 343
Porter Airlines
  • Porter Airlines
  • 4/12-10/12
  • 2 total stops
  • 36h 15m total
  • Hamilton to Ottawa
Search Deals
Porter Airlines
  • Porter Airlines
  • 11/12
  • 1 total stop
  • 18h 06m total
  • Hamilton to Ottawa
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hamilton 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 13 November 2025.
Use the filters below to find and compare flights from Hamilton to Ottawa that are best for you.

Fly from

Hamilton

Fly to

Ottawa

Route

Depart

Return

Price

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Thu 4/12

7:55 p.m.-2:01 p.m.

1 stop18h 06m

Ottawa

Wed 10/12

6:35 p.m.-12:44 p.m.

1 stop18h 09m

C$ 495

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Tue 2/12

7:00 a.m.-2:39 p.m.

1 stop7h 39m

Ottawa

Thu 4/12

8:55 p.m.-12:44 p.m.

1 stop15h 49m

C$ 517

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Mon 9/2

6:10 p.m.-4:53 p.m.

1 stop22h 43m

Ottawa

Thu 19/2

6:00 a.m.-5:16 p.m.

1 stop11h 16m

C$ 527

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Thu 11/12

7:00 a.m.-8:00 a.m.

1 stop25h 00m

Ottawa

Sat 13/12

6:55 p.m.-5:17 p.m.

1 stop22h 22m

C$ 542

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Sun 7/12

7:00 a.m.-6:09 p.m.

1 stop11h 09m

Ottawa

Tue 9/12

6:00 a.m.-10:18 p.m.

2 stops16h 18m

C$ 581

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Wed 3/12

7:00 a.m.-2:39 p.m.

1 stop7h 39m

Ottawa

Fri 5/12

8:55 p.m.-12:44 p.m.

1 stop15h 49m

C$ 583

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Wed 10/12

7:55 p.m.-2:01 p.m.

1 stop18h 06m

Ottawa

Wed 17/12

4:15 p.m.-3:00 p.m.

1 stop22h 45m

C$ 609

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Thu 4/12

7:00 a.m.-2:39 p.m.

1 stop7h 39m

Ottawa

Sat 6/12

8:55 p.m.-12:44 p.m.

1 stop15h 49m

C$ 612

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Thu 4/12

8:15 a.m.-8:05 p.m.

1 stop11h 50m

Ottawa

Sat 6/12

6:45 p.m.-5:17 p.m.

2 stops22h 32m

C$ 614

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Wed 10/12

7:00 a.m.-2:39 p.m.

1 stop7h 39m

Ottawa

Wed 10/12

8:50 p.m.-12:44 p.m.

2 stops15h 54m

C$ 616

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/11

Showing 1-10 of 19 results
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Best time to book a flight from Hamilton to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Hamilton 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 Hamilton to Ottawa

How far ahead should I book a flight from Hamilton, Ontario to Ottawa?

Use this chart to determine the optimal time to book a round-trip flight from Hamilton to Ottawa. Price data was last updated on 7 November 2025.

The price you pay for your flight from Hamilton, Ontario to Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Hamilton, Ontario to Ottawa?

Currently, February is the cheapest month in which you can book a flight from Hamilton, Ontario to Ottawa (average of C$ 101). Flying from Hamilton, Ontario to Ottawa in August is currently the most expensive (average of C$ 195). 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 YHM to YOW?

Find hourly flight availability from Hamilton 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 13 November 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 59% on flights from Hamilton, Ontario to Ottawa by exploring options for tickets in the evening.

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 13 November 2025.
Get a feel of what it's like to fly with WestJet and Air Canada from Hamilton to Ottawa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,161 reviews
Check prices

Crew

7.9

Overall

7.2

Entertainment

6.1

Boarding

7.4

Comfort

7.1

Food

6.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
3,161 reviews
WestJet
7.2
Good
3,161 reviews
Check prices

Crew

7.9

Overall

7.2

Entertainment

6.1

Boarding

7.4

Comfort

7.1

Food

6.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
Air Canada
7.1
Good
10,448 reviews
WestJet
7.2
Good
3,161 reviews
Check prices

Crew

7.9

Overall

7.2

Entertainment

6.1

Boarding

7.4

Comfort

7.1

Food

6.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

Related info for your journey

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

  • How long is the flight from Hamilton, Ontario to Ottawa?

    Departing from Hamilton, Ontario to Ottawa will take you 18h 06m. There are 415 km between Hamilton, Ontario and Ottawa. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Hamilton, Ontario to Ottawa round-trip?

    According to our current data, WestJet (C$ 95), and Air Canada (C$ 317) offers the cheapest pricing from Hamilton, Ontario to Ottawa. WestJet is 78% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hamilton 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 Hamilton, Ontario to Ottawa?

    Currently, February is the cheapest month in which you can book a flight from Hamilton, Ontario to Ottawa (average of C$ 101). Flying from Hamilton, Ontario to Ottawa in August is currently the most expensive (average of C$ 195). 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
Smiths Falls
Perth
Prescott
Pembroke
Wakefield

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Hamilton 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 Hamilton to Ottawa

Discover the top 2 airlines that operate flights from Hamilton 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 13 November 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 95AverageC$ 188FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 317AverageC$ 452FlexibilityNo 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 Hamilton to Ottawa?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hamilton 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 Hamilton to Ottawa?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ottawa from Hamilton.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Hamilton to Ottawa, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Hamilton 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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