Seattle-Tacoma International (SEA) to Mexico City International (MEX).
| Departure | Return | Price |
|---|---|---|
| 07/01/2026 | 07/07/2026 | $340 |
| 07/01/2026 | 07/08/2026 | $340 |
| 07/04/2026 | 07/13/2026 | $340 |
| 07/05/2026 | 07/13/2026 | $340 |
| 07/06/2026 | 07/13/2026 | $340 |
| 07/07/2026 | 07/13/2026 | $340 |
| 07/08/2026 | 07/13/2026 | $340 |
| 07/01/2026 | 07/06/2026 | $350 |
| 07/01/2026 | 07/10/2026 | $350 |
| 07/04/2026 | 07/10/2026 | $350 |
Based on current fares, July is the cheapest month to fly from Seattle to Mexico City, with average fares around $365 round trip (as low as $340).
June tends to be more expensive, averaging $477.
See the full month-by-month and day-of-week price analysis
Best Time to Fly SEA → MEXDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Seattle to Mexico City is July, with average round-trip fares around $365. Fares in July start as low as $340. The most expensive month is June, averaging $477.
A nonstop flight from Seattle to Mexico City takes approximately 5h.
The cheapest flight from Seattle to Mexico City currently starts at $340 round trip in economy class.
The average round-trip flight price from Seattle to Mexico City is $464 in economy class.
The distance is 2332 miles (3752 km). with a nonstop flight time of about 5h. The lowest fare currently available is $340 departing in July. The average round-trip fare is $464.
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