Portland International (PDX) to Cancun International (CUN).
| Departure | Return | Price |
|---|---|---|
| 05/25/2026 | 06/03/2026 | $361 |
| 05/28/2026 | 06/03/2026 | $361 |
| 05/29/2026 | 06/03/2026 | $361 |
| 08/05/2026 | 08/12/2026 | $368 |
| 05/28/2026 | 06/06/2026 | $379 |
| 05/29/2026 | 06/06/2026 | $379 |
| 05/31/2026 | 06/06/2026 | $379 |
| 05/31/2026 | 06/09/2026 | $379 |
| 05/29/2026 | 06/07/2026 | $382 |
| 05/31/2026 | 06/07/2026 | $382 |
Based on current fares, May is the cheapest month to fly from Portland to Cancun, with average fares around $412 round trip (as low as $361).
See the full month-by-month and day-of-week price analysis
Best Time to Fly PDX → CUNDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Portland to Cancun is May, with average round-trip fares around $412. Fares in May start as low as $361. The most expensive month is June, averaging $426.
A nonstop flight from Portland to Cancun takes approximately 5h 30m.
The cheapest flight from Portland to Cancun currently starts at $361 round trip in economy class.
The average round-trip flight price from Portland to Cancun is $443 in economy class.
The distance is 2560 miles (4119 km). with a nonstop flight time of about 5h 30m. The lowest fare currently available is $361 departing in May. The average round-trip fare is $443.
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