Denver, CO to Porto, Portugal flights
Flights starting at $439. Choose between Frontier Airlines, Lufthansa, or TAP Portugal to find the best price.
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Tips to know when travelling to Porto
Cheapest one-way trip | $439 |
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Cheapest round-trip | $1,165 |
Average round-trip | $1,451 |
Includes rare itinerary | Travel hack |
Most popular airline | Frontier Airlines |
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Check-in for a flight from Denver to Porto
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
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Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Lufthansa | DLH | LH | No | 0 0 |
TAP Portugal | TAP | TP | Yes | Opens 36 days before flight Closes 1 hours before flight |
American Airlines | AAL | AA | No | No |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Portugal COVID-19 travel restrictions

Most travelers from Denver, DEN can enter Portugal, but there are restrictions.
Departure
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Visa requirements |
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Return
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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 Portugal in our dedicated Stories article.
Frequently asked questions
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