Are direct flights from Houston to Ottawa always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers. However, they are not always the most budget-friendly choice. Flights with one or more connections can sometimes be significantly cheaper, making them a worthwhile consideration for cost-conscious travelers.

Can flexible travel dates help on Houston to Ottawa flights?

Yes, being flexible with your travel dates can often lead to finding more affordable flights. Mid-week travel or flying during off-peak seasons may result in lower fares compared to weekend or holiday travel. Adjusting your departure or return by a day or two can sometimes make a notable difference.

What extra costs should I check before booking Houston to Ottawa flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Being aware of these additional expenses can help you calculate the true total cost of your trip.

Flights From Houston

To Ottawa

Cheap Flights from Houston to Ottawa

Browse current best options from Houston. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Houston

RatePunk searches hundreds of travel sites at once for deals on flights to Ottawa

Prices updated today

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Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Houston to Ottawa

Explore current cheapest deals departing from Houston to Ottawa

2026-11-02 – 2026-11-15
HOU - Ottawa
73% AI deal score
$417
$337
Round trip
2026-10-07 – 2026-10-11
HOU - Ottawa
80% AI deal score
$506
$350
Round trip
2026-10-23 – 2026-10-31
HOU - Ottawa
79% AI deal score
$457
$361
Round trip
2026-10-15 – 2026-10-22
HOU - Ottawa
78% AI deal score
$479
$366
Round trip
2026-10-06 – 2026-10-11
HOU - Ottawa
79% AI deal score
$495
$376
Round trip
2026-10-05 – 2026-10-09
HOU - Ottawa
80% AI deal score
$511
$378
Round trip
2026-10-19 – 2026-10-23
HOU - Ottawa
72% AI deal score
$499
$395
Round trip
2026-10-17 – 2026-10-24
HOU - Ottawa
72% AI deal score
$479
$409
Round trip
2026-12-05 – 2026-12-14
HOU - Ottawa
73% AI deal score
$523
$428
Round trip
2026-10-08 – 2026-10-12
HOU - Ottawa
70% AI deal score
$503
$438
Round trip

Houston to Ottawa: Overview

Insights for flights from Houston to Ottawa

A typical journey from Houston to Ottawa takes about 18h 5m, including connections. This duration reflects itineraries that almost always involve multiple stops, as most flights on this route require at least one connection. Given that most itineraries connect at least once, with a median of 2 stopovers when connecting, travelers should factor in this extended travel time.

For travelers seeking cheap flights from Houston to Ottawa, the fares right now are above the typical level. Prices for this route typically range from $777–$1184, with a median of $992. Currently, only 2% of recent fares have been classified as a good price, indicating that finding a low fare may require some flexibility. New deals for this route show up several times a week, so setting up a price alert can be beneficial.

If you are wondering when is the cheapest time to fly from Houston to Ottawa, the data indicates that May is typically the most affordable month, with a median fare of $304. Following May, April also offers lower prices, with a median fare of $497. September is another relatively inexpensive option, with a median fare of $526, providing travelers with several months to consider for more budget-friendly trips.

The distance between Houston and Ottawa is approximately 2418 kilometers, classifying this as a medium-haul route. This distance typically necessitates connecting flights, contributing to the overall journey time. Understanding the route's classification can help in planning for the duration and potential layovers involved in traveling between these two cities.

How much is a round trip from Houston to Ottawa

Regular price: $359 - $624

Prices are currently below the regular range for flights from Houston to Ottawa.

The regular price range for flights from Houston to Ottawa is $359 to $624. The current lowest deal is $329 with Frontier Airlines for travel from Oct 31-Nov 16.

now $329

Low $359

High $624

The cheapest time to fly from Houston to Ottawa

The cheapest month to fly from Houston to Ottawa is May, with a median price of $281. The most expensive month is June, with a median price of $1184. Prices are generally lower from May to November.

May

Cheapest

Flights from $281

June

Most Expensive

Flights from $1,184

May

Jun

Jul

Aug

Sep

Oct

Nov

Direct flights from Houston to Ottawa

WestJet

Frontier Airlines

Porter Airlines

JetBlue Airways

Last-minute flights going from Houston to Ottawa

Thu, Sep 17

⌛ Last-Minute

IAH - Ottawa

Houston (IAH) - Ottawa (YOW)

Frontier Airlines

$932

$832

One-way

Thu, Sep 24

⌛ Last-Minute

IAH - Ottawa

Houston (IAH) - Ottawa (YOW)

United Airlines

$768

$1,271

One-way

Fri, Sep 25

⌛ Last-Minute

IAH - Ottawa

Houston (IAH) - Ottawa (YOW)

Frontier Airlines

$763

$510

One-way

Sun, Sep 27

⌛ Last-Minute

IAH - Ottawa

Houston (IAH) - Ottawa (YOW)

Austrian Airlines

$707

$6,056

One-way

Mon, Sep 28

⌛ Last-Minute

IAH - Ottawa

Houston (IAH) - Ottawa (YOW)

United Airlines

$740

$995

One-way

Thu, Oct 1

⌛ Last-Minute

IAH - Ottawa

Houston (IAH) - Ottawa (YOW)

United Airlines

$480

$1,066

One-way

Biggest price drops on these dates for flights from Houston to Ottawa

2 nights

Oct 31 - Nov 2

$499 → $333

33%

3 nights

Dec 9 - Dec 12

$562 → $402

29%

2 nights

Dec 9 - Dec 11

$565 → $414

27%

4 nights

Dec 4 - Dec 8

$562 → $413

26%

Popular Airports to fly from Houston to Ottawa

Houston - Ottawa route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Houston to Ottawa are above the typical level for this route.

📅 Best time to fly

Historically, May is the cheapest month to fly

Historically, May is the cheapest month to fly from Houston to Ottawa, with a median price of $304.

⏱️ Flight duration

Connecting flights typically take 18h 5m

Flights from Houston to Ottawa typically involve connections, with a median duration of 18h 5m.

✈️ Airlines & availability

Connecting flights are dominant on this route

Direct flights are not available; connecting flights are dominant for Houston to Ottawa.

🏆 Airline highlight

Frontier Airlines offers a recent deal at $329

Frontier Airlines recently offered a deal for $329 from Houston to Ottawa.

🎯 Booking tip

Deals appear regularly for this route

Deals for flights from Houston to Ottawa appear regularly, offering opportunities for savings.

Houston main airports to depart from

George Bush Intercontinental (IAH)

Cheapest

George Bush Intercontinental Airport offers flights to Ottawa, providing a convenient option for your journey.

📍 ~25 km from Houston (reachable by car)

💸 Flights from ~$296

Ottawa main airports to arrive at

Ottawa Macdonald–Cartier International (YOW)

Cheapest

Fly into Ottawa Macdonald–Cartier International for direct access to Ottawa from Houston.

📍 ~0 km from city center (reachable by car)

💸 Flights from ~$296

Airports nearby Ottawa used as alternative

Montréal–Pierre Elliott Trudeau International (YUL)

Montréal–Pierre Elliott Trudeau International is a major international hub with extensive global connectivity.

📍 ~160 km from Ottawa (ground transit time can be affected by Montreal city traffic)

💸 Flights from ~$340

Business & First Class Flight Deals to Ottawa

Discover luxury on the budget with premium cabin class on flights from Houston to Ottawa.

Elite

Best Elite deals to Ottawa

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From IAH

Elite

Oct 18

Ottawa, Canada

84% AI deal score

$2,361

$1,368

Save $993

United Airlines

Business Class

Frequently Asked Questions About Flights to Ottawa

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking flights in advance, often several months out, can sometimes lead to lower prices. However, last-minute deals can occasionally appear, so it's often beneficial to monitor fare trends. Prices can fluctuate, so there isn't a single best time that applies to all bookings.

Comparing nearby airports at both your origin and destination can sometimes uncover more economical flight options. While it may add to your ground travel time, the potential savings on airfare can be significant. Always factor in the cost and convenience of transportation to and from alternative airports.

Houston to Ottawa: Overview

Insights for flights from Houston to Ottawa

How much is a round trip from Houston to Ottawa

Regular price: $359 - $624

Prices are currently below the regular range for flights from Houston to Ottawa.

The regular price range for flights from Houston to Ottawa is $359 to $624. The current lowest deal is $329 with Frontier Airlines for travel from Oct 31-Nov 16.

now $329

Low $359

High $624

The cheapest time to fly from Houston to Ottawa

The cheapest month to fly from Houston to Ottawa is May, with a median price of $281. The most expensive month is June, with a median price of $1184. Prices are generally lower from May to November.

May

Cheapest

Flights from $281

June

Most Expensive

Flights from $1,184

May

Jun

Jul

Aug

Sep

Oct

Nov