Ottawa, Canada to Denver, CO flights

Flights starting at CA$158. Choose between Frontier Airlines, Porter Airlines, or Air Canada to find the best price.

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Travelers usually depart from Ottawa Macdonald–Cartier International, Ottawa Train Station, or Ottawa-Fallowfield Train station when they travel from Ottawa to Denver. Book your trip to arrive at Denver International, or Denver Union Station. The most popular airlines for this route are Frontier Airlines, Porter Airlines, Air Canada, Spirit Airlines, and Flair Airlines. Ottawa and Denver have 244 direct flights per week.

Check-in for a flight from Ottawa to Denver

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Porter AirlinesPOEPDYes0
0
Air CanadaACAACYesNo
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Flair AirlinesFLEF8YesOpens 24 days before flight
Closes 1 hours before flight

United States COVID-19 travel restrictions

Your trip summary

Departure

Travel restrictions
  • Travel is allowed
  • Proof of pre-departure COVID-19 test is not required
  • Quarantine is not required
Visa requirements
  • Visa is not required

Return

Travel restrictions
  • Travel is allowed
  • Proof of pre-departure COVID-19 test is not required
  • Quarantine is not required
Visa requirements
  • Visa is not required

Frequently asked questions

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What time do flights between Ottawa and Denver depart?
What time do flights between Ottawa and Denver arrive?

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