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Cheap Flights from Houston (IAH) to Ottawa (YOWA)

Compare Houston George Bush Intercntl. to Ottawa flight deals

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Flight deals from Houston George Bush Intercntl. to Ottawa

Looking for a cheap last-minute deal or the best return flight from Houston George Bush Intercntl. to Ottawa? Find the lowest prices on one-way and return tickets right here.
Ottawa.$655 per passenger.Departing Sun, 3 Aug, returning Sun, 10 Aug.Return flight with Spirit Airlines and Porter Airlines.Outbound indirect flight with Spirit Airlines, departs from Houston George Bush Intercntl. on Sun, 3 Aug, arriving in Ottawa International.Inbound indirect flight with Porter Airlines, departs from Ottawa International on Sun, 10 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $655, select.
Ottawa.$1,082 per passenger.Departing Thu, 16 Oct, returning Tue, 21 Oct.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Houston George Bush Intercntl. on Thu, 16 Oct, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Tue, 21 Oct, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $1,082, select.
Ottawa.$1,198 per passenger.Departing Thu, 28 Aug, returning Sun, 7 Sep.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Houston George Bush Intercntl. on Thu, 28 Aug, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sun, 7 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $1,198, select.
Ottawa.$1,218 per passenger.Departing Fri, 27 Feb, returning Sun, 8 Mar.Return flight with United.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Fri, 27 Feb, arriving in Ottawa International.Inbound indirect flight with United, departs from Ottawa International on Sun, 8 Mar, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $1,218, select.
Ottawa.$1,276 per passenger.Departing Sun, 27 Jul, returning Sun, 3 Aug.Return flight with United.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Sun, 27 Jul, arriving in Ottawa International.Inbound indirect flight with United, departs from Ottawa International on Sun, 3 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $1,276, select.
Ottawa.$1,291 per passenger.Departing Thu, 17 Jul, returning Sun, 20 Jul.Return flight with United.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Thu, 17 Jul, arriving in Ottawa International.Inbound indirect flight with United, departs from Ottawa International on Sun, 20 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $1,291, select.
Ottawa.$1,514 per passenger.Departing Fri, 27 Jun, returning Mon, 30 Jun.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Houston George Bush Intercntl. on Fri, 27 Jun, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Mon, 30 Jun, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $1,514, select.

Find the cheapest month to fly from Houston George Bush Intercntl. to Ottawa

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston George Bush Intercntl. to Ottawa flights are currently cheapest in August.
Jun
from $1,514
Jul
from $1,291
Aug
from $655
Sep
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Oct
from $1,082
Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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May
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Alternative Houston George Bush Intercntl. to Ottawa routes

Looking for the cheapest, fastest or easiest route from Houston George Bush Intercntl. to Ottawa? You could fly into the following airports instead.

Houston to Ottawa: Flight information

The things to know before you go.
Cheapest flight found$655
Cheapest month to flyAugust

Finding cheap flights from Houston George Bush Intercntl. to Ottawa: Frequently asked questions

There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.
The best price we found for a return flight from Houston George Bush Intercntl. to Ottawa is $655. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Houston George Bush Intercntl. to Ottawa. But we found flights with one or more stops from $655.
As of June 2025, there are no flights flying from Houston George Bush Intercntl. to Ottawa.
The cheapest month to fly from Houston George Bush Intercntl. to Ottawa is usually June 2025.
If you're flying from Houston George Bush Intercntl. Airport, the cheapest airport near Ottawa is Ottawa International – which is 11.2 km away from the centre of Ottawa. We've found flights into this airport from $655.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Ottawa on Sunday, 3 August 2025.
No airlines currently offer direct flights between Houston George Bush Intercntl. Airport and Ottawa. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ottawa but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ottawa is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 17°C. July is typically the warmest month in Ottawa, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -16°C. The rainiest month is June.
Currently, Spirit Airlines offers the cheapest flight tickets to Ottawa.

Flying from George Bush Intercontinental Airport (IAH) to Ottawa: what you need to know

  • George Bush Intercontinental Airport is located in Houston. Based in the UTC-4 timezone, Ottawa is one hour ahead of Houston.

  • For a relaxed start to your IAH to Ottawa flight, allow plenty of time for things like baggage drop and finding your gate. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • If you're travelling during a bank holiday or another peak period, allow for even more time. A good rule is two hours before domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

  • Stopovers are the perfect opportunity to break up your journey and maybe even tick off a new city. When searching for flight tickets from IAH to Ottawa, uncheck the 'Direct flights only' box to see where you can visit along the way. Here are some popular options to consider:

    • Pearson International Airport (YYZ)

    • Ronald Reagan National Airport (DCA)

    • Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • Located around 21 kilometres from the centre of Houston, IAH can be reached in about 20 minutes by car, depending on traffic. Travelling on public transport will take roughly 50 minutes.

  • Looking for a hotel close to IAH? If you're catching an early flight from George Bush Intercontinental Airport to Ottawa, these accommodation options will put you moments from your departure gate:

  • When it comes to George Bush Intercontinental Airport's on-time performance, data shows 78.42% of flights arrive within the expected time frame.

  • You'll find IAH at 16930 JFK Boulevard.

How to find the cheapest flights from George Bush Intercontinental Airport (IAH) to Ottawa

  • $565 is the cheapest price we've seen for a one-way George Bush Intercontinental Airport to Ottawa flight. A return flight ticket right now is $655. Depending on when and how early you book, these fares could change.

  • Don't leave everything to the last minute. You're more likely to find cheap flights from IAH to Ottawa if you book in advance. Airlines often offer some fantastic early bird deals.

  • If you have flexibility with your travel dates, take advantage of the 'Whole month' tool. It'll find the lowest price across every month when searching for a George Bush Intercontinental Airport to Ottawa ticket.

  • Save time searching for cheap flights from IAH to Ottawa by setting up a Price Alert. You'll get an email or notification on the app when a new discounted fare appears.

  • Find a cheap flight from George Bush Intercontinental Airport to Ottawa with the help of our filters. Choose your ideal departure time, duration and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Ottawa

Ottawa Gatineau Airport (YND)

  • Ottawa Gatineau Airport (YND) is around 24 kilometres from central Ottawa. If you're opting for a ride-share or a cab, the drive will take roughly 20 minutes.

  • It'll take around 1 hour 40 minutes if you're travelling on public transport.

  • It's hard to beat the convenience of staying close to the terminal if you've just jumped off a late flight from George Bush Intercontinental Airport to Ottawa. Meilleure Auberge and Lovely Room 4mins From Gatineau-Ottawa Airport are handy options near YND.

  • Grab an Ottawa Gatineau Airport rental car and discover corners of Ottawa that are off the usual tourist route. Find your perfect set of wheels with Hertz.

  • Increase your chances of securing the best deal by booking early. Reserving your vehicle from Ottawa Gatineau Airport at least a few weeks ahead of your flight from IAH to Ottawa is a smart idea.

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Once your flight from George Bush Intercontinental Airport to Ottawa has hit the runway, you can get to the city centre in around 20 minutes by car. Central Ottawa is roughly 13 kilometres from Ottawa/Macdonald-Cartier International Airport (YOW).

  • Public transport will get you there in about 45 minutes.

  • Hang up the 'Do not disturb' sign and unwind at a hotel near YOW. Here are a few options where you can check in after your IAH to Ottawa flight:

  • The fastest way to reach your destination is with an Ottawa/Macdonald-Cartier International Airport rental car. Grab your wheels from Routes Car Rentals, Alamo or Budget and be on your way in a flash.

  • Avoid last-minute price surges. Securing your ride two weeks before your arrival at YOW will help you stay within budget.

  • Ottawa/Macdonald-Cartier International Airport can be found at 50 Airport Road.

Best time to go to Ottawa

  • Before scheduling your flights from George Bush Intercontinental Airport to Ottawa, consider which time of year is best for you. Peak season in Ottawa offers a bustling atmosphere and plenty to do, while the low season brings better deals on hotels and fewer crowds.

  • Lock in a George Bush Intercontinental Airport to Ottawa flight ticket with a departure in July if you're eager to visit the city during its warmest month. Expect temperatures to range from 13ºC (55ºF) to 27ºC (81ºF).

  • Look for cheap tickets from IAH to Ottawa in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -19ºC (-2ºF) and -2ºC (28ºF) on average.

More about Ottawa

  • When it comes to searching for somewhere to rest your head, you'll find the best stays in Ottawa right here. Check out these hotels once you've booked your flight from George Bush Intercontinental Airport to Ottawa:

  • There are so many things to explore in this city it can be hard to work out where to begin. Rideau Canal, Parliament Hill and National Gallery of Canada are highlights which should be on any well-planned Ottawa itinerary.

Explore more of Canada

  • Toronto is just one of the many places in Canada waiting to be discovered after you've experienced Ottawa. Around 354 kilometres away to the south-west, its best attractions include CN Tower, Royal Ontario Museum and Go Tours Canada - Distillery District.

  • Around 153 kilometres east of Ottawa, Montreal is another essential stop in Canada. Get a taste of what this destination has to offer at Mount Royal Park, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal.

Plan the rest of your trip from Houston to Ottawa

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.