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

Direct flights offer convenience and save travel time, but they are not always the most budget-friendly choice. Flights with one or more layovers can often be cheaper, depending on the route and airline. Consider your priorities for time versus cost when making your decision.

Can flexible travel dates help on Houston to Ottawa flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Mid-week flights or those during off-peak seasons are often less expensive than weekend or holiday travel. Adjusting your departure or return by even a day or two may lead to savings.

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

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. Understanding these additional expenses upfront can help you budget accurately for 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

402 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 19, 2026.)

Today’s best flight deals from Houston to Ottawa

Explore current cheapest deals departing from Houston to Ottawa

Round trip

Sort by: Cheapest

August 22 - August 31

Cheapest

Earliest

IAH - Ottawa

$546

$365

Round trip

August 22 - August 26

Best

Earliest

IAH - Ottawa

$606

$373

Round trip

August 22 - August 25

Best

Earliest

IAH - Ottawa

$607

$373

Round trip

August 22 - August 24

Earliest

IAH - Ottawa

$609

$381

Round trip

August 22 - September 2

Earliest

IAH - Ottawa

$526

$392

Round trip

August 24 - August 31

IAH - Ottawa

$574

$393

Round trip

August 22 - August 29

Earliest

IAH - Ottawa

$574

$394

Round trip

August 22 - September 5

Earliest

IAH - Ottawa

$522

$400

Round trip

August 24 - August 26

IAH - Ottawa

$609

$401

Round trip

August 25 - August 31

IAH - Ottawa

$576

$418

Round trip

Unlock all 500+ flight deals to Ottawa and get alerts when great deals appear

Houston to Ottawa: Overview

Insights for flights from Houston to Ottawa

A typical journey from Houston to Ottawa, including connections, takes about 18h 5m. This reflects the reality that most itineraries for this route involve at least one stopover, often two. Given the distance and the lack of direct options, travelers should anticipate a full day of transit.

For travelers seeking cheap flights from Houston to Ottawa, fares right now are above the typical level for this route. Prices typically range from $777–$1184, with a median of $992. Only 2% of recent fares were classified as a good price, indicating that finding a low fare can be challenging. New deals for this route show up several times a week, so consistent monitoring can be beneficial.

The cheapest time to fly from Houston to Ottawa is typically in May, with a median fare of $304. Other relatively inexpensive months include April, where the median fare is $497, and September, with a median fare of $526. These months offer significantly lower prices compared to the overall typical range for the route.

There are currently no direct flights from Houston to Ottawa. Most itineraries for this route are connecting, with the majority involving 2 stopovers. This means you should plan for a journey that includes at least two separate flight segments and layovers, contributing to the overall travel time.

The flight distance between Houston and Ottawa is approximately 2418 kilometers. This classifies the route as a medium-haul journey, which typically involves several hours of flight time and often requires connecting flights to reach the destination.

How much is a round trip from Houston to Ottawa

Regular price: $476 - $733

Prices are currently below the regular range.

The regular price range for flights from Houston to Ottawa is $476 to $733. The current lowest deal is $367 with Frontier Airlines for travel from Sep 24-Oct 5.

now $367

Low $476

High $733

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

Frontier Airlines

WestJet

Porter Airlines

United Airlines

Last-minute flights going from Houston to Ottawa

Thu, Jul 23

⌛ Last-Minute

IAH - Ottawa

Houston (IAH) - Ottawa (YOW)

United Airlines

$719

$1,271

One-way

Sun, Jul 26

⌛ Last-Minute

IAH - Ottawa

Houston (IAH) - Ottawa (YOW)

United Airlines

$590

$1,187

One-way

Sat, Aug 8

⌛ Last-Minute

IAH - Ottawa

Houston (IAH) - Ottawa (YOW)

United Airlines

$643

$1,094

One-way

Mon, Aug 10

⌛ Last-Minute

IAH - Ottawa

Houston (IAH) - Ottawa (YOW)

Frontier Airlines, Porter Airlines

$509

$383

One-way

Mon, Aug 10

⌛ Last-Minute

IAH - Ottawa

Houston (IAH) - Ottawa (YOW)

Frontier Airlines, Porter Airlines

$541

$387

One-way

Mon, Aug 10

⌛ Last-Minute

IAH - Ottawa

Houston (IAH) - Ottawa (YOW)

Frontier Airlines, Porter Airlines

$599

$388

One-way

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

7 nights

Sep 28 - Oct 5

$641 → $402

37%

11 nights

Sep 24 - Oct 5

$594 → $367

38%

7 nights

Sep 14 - Sep 21

$641 → $420

34%

7 nights

Sep 21 - Sep 28

$641 → $429

33%

Popular Airports to fly from Houston to Ottawa

Houston - Ottawa route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Houston to Ottawa are above the typical level, with a median price of $992.

📅 Best time to fly

Fly in May for the best prices

Historically, May offers the lowest median price at $281 for flights from Houston to Ottawa.

⏱️ Flight duration

Connecting flights average 18h 5m

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

✈️ Airlines & availability

Connecting flights are dominant

Direct flights are not common; connecting flights are dominant for this route.

🏆 Airline highlight

Frontier Airlines offers deals

Frontier Airlines has 49 direct deals, making it a frequent option for this route.

🎯 Booking tip

Deals appear regularly

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

Houston main airports to depart from

George Bush Intercontinental (IAH)

Cheapest

George Bush Intercontinental (IAH) is a good option for flights from Houston to Ottawa.

📍 ~25 km from Houston city center (reachable by car).

💸 Flights from ~$363

William P. Hobby (HOU)

William P. Hobby (HOU) is another choice for flights from Houston to Ottawa.

📍 ~16 km from Houston city center (reachable by car).

💸 Flights from ~$363

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 ~$363

Airports nearby Ottawa used as alternative

Montréal–Pierre Elliott Trudeau International (YUL)

Consider this major international hub for extensive global connectivity without border issues for Canadian travelers.

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

💸 Flights from ~$402

Ogdensburg International (OGS)

Cheapest

This is the closest US-based airport to Ottawa, popular for accessing US domestic flight pricing.

📍 ~60 km from Ottawa (requires crossing the Canada-US border)

💸 Flights from ~$200

Montreal Saint-Hubert Longueuil (YHU)

A secondary Montreal airport useful for regional or low-cost carriers, with no international border crossing required.

📍 ~170 km from Ottawa

💸 Flights from ~$459

Plattsburgh International (PBG)

Specializing in low-cost flights to US leisure destinations, this airport accommodates Canadian travelers.

📍 ~150 km from Ottawa (requires crossing the Canada-US border)

💸 Flights from ~$280

Syracuse Hancock International (SYR)

A larger US regional airport offering more carrier options, useful if closer border airports are unavailable.

📍 ~250 km from Ottawa (requires crossing the Canada-US border)

💸 Flights from ~$232

Business & First Class Flight Deals to Ottawa

Ottawa, Canada

67% AI deal score

$2,050

From IAH

Elite

Aug 30

Ottawa, Canada

42% AI deal score

$3,657

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 also help you discover better deals. Looking into flights with layovers may sometimes offer lower fares than direct routes.

Booking flights in advance often provides more competitive prices, though last-minute deals can sometimes appear. Prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday travel can sometimes be less expensive than weekend travel.

Comparing nearby airports at both your origin and destination can sometimes reveal more affordable 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.

Related routes

Consider alternative routes from Houston

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