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Cheap flights from Hamilton, ON to Ottawa from C$ 201

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — YOW
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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

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 17 September 2025.

Round-trip from

C$ 363

One-way from

C$ 201

Popular in

May

Cheapest in

April

Average price

C$ 495
WestJet
  • WestJet
  • 29/10-24/11
  • 2 total stops
  • 31h 40m total
  • Hamilton to Ottawa
Search Deals
WestJet
  • WestJet
  • 3/11
  • 1 total stop
  • 22h 43m total
  • Hamilton to Ottawa
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Hamilton to Ottawa

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 17 September 2025.

Wed 29/106:10 p.m.YHM - YOW
1 stop20h 23mWestJet
Mon 24/116:00 a.m.YOW - YHM
1 stop11h 17mWestJet
Deal found 16/9C$ 363
Tue 14/102:55 p.m.YHM - YOW
1 stop22h 08mMultiple Airlines
Tue 21/107:15 p.m.YOW - YHM
1 stop29h 25mMultiple Airlines
Deal found 16/9C$ 371
Fri 17/108:15 a.m.YHM - YOW
1 stop23h 04mMultiple Airlines
Tue 21/106:00 a.m.YOW - YHM
1 stop18h 40mMultiple Airlines
Deal found 15/9C$ 396
Sun 23/116:10 p.m.YHM - YOW
1 stop30h 30mWestJet
Wed 26/115:45 p.m.YOW - YHM
1 stop23h 32mWestJet
Deal found 15/9C$ 399
Mon 17/116:10 p.m.YHM - YOW
1 stop22h 43mWestJet
Thu 27/116:00 a.m.YOW - YHM
1 stop11h 17mWestJet
Deal found 15/9C$ 407
Mon 3/116:10 p.m.YHM - YOW
1 stop22h 43mWestJet
Thu 6/116:00 a.m.YOW - YHM
1 stop11h 17mWestJet
Deal found 16/9C$ 409
Fri 17/108:15 a.m.YHM - YOW
1 stop23h 04mPorter Airlines
Sun 19/108:45 a.m.YOW - YHM
1 stop15h 03mPorter Airlines
Deal found 15/9C$ 410
Thu 16/102:55 p.m.YHM - YOW
1 stop25h 24mMultiple Airlines
Tue 21/107:15 p.m.YOW - YHM
1 stop29h 25mMultiple Airlines
Deal found 16/9C$ 417

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 17 September 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

Wed 29/10

6:10 p.m.-2:33 p.m.

1 stop20h 23m

Ottawa

Mon 24/11

6:00 a.m.-5:17 p.m.

1 stop11h 17m

C$ 363

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Tue 14/10

2:55 p.m.-1:03 p.m.

1 stop22h 08m

Ottawa

Tue 21/10

7:15 p.m.-12:40 a.m.

1 stop29h 25m

C$ 378

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Sun 23/11

6:10 p.m.-12:40 a.m.

1 stop30h 30m

Ottawa

Wed 26/11

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

1 stop23h 32m

C$ 399

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Mon 17/11

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

1 stop22h 43m

Ottawa

Thu 27/11

6:00 a.m.-5:17 p.m.

1 stop11h 17m

C$ 407

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Thu 16/10

2:55 p.m.-4:19 p.m.

1 stop25h 24m

Ottawa

Tue 21/10

7:15 p.m.-12:40 a.m.

1 stop29h 25m

C$ 417

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Fri 17/10

8:15 a.m.-7:19 a.m.

1 stop23h 04m

Ottawa

Sun 19/10

8:45 a.m.-11:48 p.m.

1 stop15h 03m

C$ 428

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Fri 17/10

2:55 p.m.-1:00 p.m.

2 stops22h 05m

Ottawa

Tue 21/10

7:15 p.m.-12:40 a.m.

1 stop29h 25m

C$ 479

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Mon 24/11

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

1 stop22h 43m

Ottawa

Thu 27/11

6:00 a.m.-5:17 p.m.

1 stop11h 17m

C$ 494

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Wed 8/10

6:00 a.m.-6:20 p.m.

1 stop12h 20m

Ottawa

Thu 9/10

6:00 a.m.-12:40 a.m.

1 stop18h 40m

C$ 499

HamiltonOttawa

YHM - YOW

YHMYOW

Hamilton

Thu 30/10

2:35 p.m.-12:40 a.m.

1 stop10h 05m

Ottawa

Thu 6/11

6:00 a.m.-5:17 p.m.

1 stop11h 17m

C$ 514

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 19 results
1
2

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 12 September 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, October is the cheapest month in which you can book a flight from Hamilton, Ontario to Ottawa (average of C$ 224). Flying from Hamilton, Ontario 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 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 17 September 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 60% 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 17 September 2025.
Get a feel of what it's like to fly with Porter Airlines,WestJet, andAir 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.
Porter Airlines
7.9
Good
365 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
365 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,095 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 20h 23m. There are 415 km between Hamilton, Ontario and Ottawa.

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

    According to our current data, WestJet (C$ 93), Porter Airlines (C$ 187), and Air Canada (C$ 315) offers the cheapest pricing from Hamilton, Ontario to Ottawa. WestJet is 79% 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, October is the cheapest month in which you can book a flight from Hamilton, Ontario to Ottawa (average of C$ 224). Flying from Hamilton, Ontario 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 Ottawa?

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

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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 3 airlines flying from Hamilton to Ottawa

Discover the top 3 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 93AverageC$ 185FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 187AverageC$ 424FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 315AverageC$ 451FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Hamilton to Ottawa?

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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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