Cheap flights from Ottawa, Canada to Houston, TX
Flights starting at CA$195. Choose between Spirit Airlines, Porter Airlines, or United Airlines to find the best price.
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Tips to know when travelling to Houston
Cheapest one-way trip | CA$196 |
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Cheapest round-trip | CA$299 |
Average round-trip | CA$423 |
Includes rare itinerary | Travel hack |
Most popular airline | Spirit Airlines |
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Check-in for a flight from Ottawa to Houston
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
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Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Porter Airlines | POE | PD | Yes | 0 0 |
United Airlines | UAL | UA | Yes | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Air Canada | ACA | AC | Yes | No |
United States COVID-19 travel restrictions

Most travellers from Ottawa, YOW can enter Houston, IAH, but there are restrictions.
Departure
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Visa requirements |
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Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.
Frequently asked questions
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Flights from Ottawa
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Flights to Houston
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The nearest countries with flights to Houston
Here is a list of countries people are flying fromOther destination countries from Ottawa
Here is a list of countries people are flying toAirports near Ottawa
- Montréal–Pierre Elliott Trudeau International
- Ottawa Macdonald–Cartier International
- Syracuse Hancock International
- Plattsburgh International
- Ogdensburg International
- Burlington International
- Massena International
- Adirondack Regional
- Montreal Saint-Hubert Longueuil
- Watertown International