NOW BOARDING: YOUR CAMERA ROLL494 TRIP IDEAS421 LAYOVER GUIDES137 FLIGHTS LOGGEDGATE CHANGES AUTO-SYNC TO YOUR WALLET

United · Route guide

United Airlines: Houston (IAH) to Toronto (YYZ) Flight Guide

Q: Which airline operates direct flights from IAH to YYZ?

United Airlines operates direct flights on this route.

Everything you need to fly Houston to Toronto: when to go, who flies it, what it costs, and how to land well.

Book from $252 Read the guide

1 airline on this route · Daily Year-Round

Book with Borderly • Powered by Duffel

Fly to Toronto, booked directly.

Real-time seat availability, live baggage options, and transparent fares across 400+ airlines.

Explore all flight routes →

Compare fares

Every fare, side by side.

Metasearch across hundreds of agencies and airlines for IAH–YYZ.

Airline

United

Aircraft

B737-800

Service

Daily Year-Round

Region

Canada

The route

The flight route from Houston (IAH) to Toronto (YYZ) connects the energy capital of the Southern United States with Canada's largest financial and cultural center. Operated by United Airlines, this service provides a vital link for both corporate travelers and tourists moving between Texas and Ontario.

This international service departs from George Bush Intercontinental Airport and arrives at Toronto Pearson International Airport. Covering a significant distance across the American Midwest and the Great Lakes, the route is a staple of United's transborder network.

This route is essential for professionals in the oil, gas, and technology sectors who frequently transit between these two major North American hubs. Additionally, it serves as a primary gateway for Canadian travelers heading to the Southern US and Latin America via Houston.

Book this route

Plot the course, then fly it.

Live fares from Houston to Toronto across 400+ airlines, booked directly with Borderly.

One-way from

$252

Indicative fare via Duffel, ~6 weeks out

Fly it once. Keep it forever.

Drop your IAH–YYZ boarding pass into Borderly and this route joins your travel map, stats, and badges automatically.

Start your vault

Airports

Taking off, touching down.

Check-in, security, connections and getting into town at both ends of the flight.

Departure

George Bush Intercontinental Airport (IAH)

IAH

Check-in: Arrive at least 3 hours before departure for international document verification.
Security: TSA PreCheck is available in most terminals; ensure you have your passport ready for the gate agent.
Connections: IAH offers excellent inter-terminal transport via the Skyway and Subway systems.

Arrival

Toronto Pearson International Airport (YYZ)

YYZ

On arrival: Download and use the ArriveCAN app to expedite your customs declaration process.
Ground transport: The UP Express train is the fastest way to reach downtown Toronto, taking approximately 25 minutes.
Planning ahead: Ensure you have your eTA or visa documentation ready if you are not a US or Canadian citizen.

Timing & fares

When it flies, what it costs.

Schedule & reliability

Schedule: Daily departures are usually scheduled for morning or early afternoon.
Duration: The average flight time from Houston to Toronto is approximately 3 hours and 15 minutes.
Seasonality: The route maintains a steady schedule throughout the summer and winter months.
Time zones: Toronto is in the Eastern Time Zone, which is typically one hour ahead of Houston's Central Time.

Fares & booking

Booking window: For the best rates, aim to book between 1 and 3 months before your trip.
Cabin advice: United's B737-800 offers First Class and Economy Plus for those seeking more comfort on the 3-hour flight.
Peak pricing: Expect higher prices during Canadian statutory holidays and major Houston events.

Book at least 45 days in advance to secure the most competitive fares.
Tuesday and Wednesday departures often provide better value than weekend flights.
Monitor the United app for potential upgrades to Economy Plus for extra legroom.

Peak season

June through August and late December.

Shoulder season

May, September, and October.

Off-peak season

January and February, excluding holiday periods.

Tours and experiences at either end

Vetted day trips and activities in Toronto and Houston, through our travel partner.

Browse tours

When to fly

Best Time to Fly Houston to Toronto

01
Summer
Ideal for sightseeing and festivals in Toronto, though fares may be higher.
02
Autumn
Great for pleasant weather and viewing the changing foliage in Ontario.
03
Winter
Best for budget travelers, provided you are prepared for cold temperatures.

Trip planning

Who this route suits best.

Business Professionals

Direct access between the energy and financial centers of North America.

Family Vacationers

Convenient daily schedule and reliable service for international trips.

Expats and Students

Direct link for those relocating or studying at major universities in either region.

Connections & alternatives

Vancouver

Easily accessible from Toronto for those exploring Western Canada.

Mexico City

A common southward connection for travelers coming from Toronto via Houston.

London

Available for those using Toronto as a transatlantic jumping-off point.

Field notes

Travel Tips for the Houston-Toronto Route

Visa & entry

US citizens require a valid passport for entry into Canada.
International travelers may need an Electronic Travel Authorization (eTA) before boarding.
Complete the CBSA Declaration Card digitally to save time upon arrival.

Airport transfers

The UP Express train station is located in Terminal 1 at Pearson Airport.
Ride-sharing services like Uber and Lyft have designated pickup zones at both terminals.
Official airport taxis offer flat rates to various zones across the Greater Toronto Area.

Baggage & transit

Check United's specific baggage weight limits for international economy class.
Keep essential medications and documents in your carry-on for easy access at customs.
Toronto Pearson is a large airport; allow ample time if you have a connecting flight.

Checklist

Valid Passport
Electronic Travel Authorization (if applicable)
ArriveCAN app installed
Travel insurance documentation
Local currency (CAD) or travel-friendly credit card

Carriers

Airlines Flying Houston to Toronto

United

Daily service with year-round availability

Primarily operates the Boeing 737-800 on this leg

FAQ

Common questions.

Straight answers about flying Houston to Toronto.

Which airline operates direct flights from IAH to YYZ?

United Airlines operates direct flights on this route under the code UA-IAH-YYZ.

How long is the flight from Houston to Toronto?

The typical flight duration is approximately 3 hours and 15 minutes.

What type of aircraft is commonly used?

United primarily utilizes the Boeing 737-800 for this service.

Is this a year-round service?

Yes, United operates this route daily throughout the year.

Do I need a passport to fly from Houston to Toronto?

Yes, as this is an international flight between the USA and Canada, a valid passport is required.

Keep exploring

Where to next.

Structured data verified

Airports

Houston (IAH)Toronto Pearson International Airport (YYZ)George Bush Intercontinental Airport Toronto Pearson International Airport

Countries & layovers

United States Canada Houston layover guide Toronto layover guide

Flown IAH to YYZ? Keep it.

Add your boarding pass for this route to your Borderly profile!

Upload a boarding pass How it works

Three steps

1Use the Borderly platform to monitor historical performance and on-time stats.
2Download the United Airlines app for real-time gate and baggage updates.
3Follow IAH and YYZ social media accounts for airport-specific operational alerts.

iOS App