Cheap flights from Washington to Cancún
Typical low fare $260 round-trip. Best months to fly: May–Jun, Sep.
Typical low
$260
Updated October 7 at 12:30 PM· via Travelpayouts partner feed
$136 low$353 high
When to fly DCA to Cancún
Best months for the cheapest fares on this route: May–Jun, Sep.
Southwest and Frontier run this route all year.
How to get the best price on this route
- Book 6–8 weeks ahead for international routes; 3–4 weeks for short-haul.
- Fly midweek (Tue/Wed) — weekend departures cost 15–25% more.
- Compare across 100+ booking sites. Our partner feed surfaces vendors you’ve never heard of that often beat the majors.
- Set a price alert below to be the first to know when the fare drops below $260.
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Make it a trip
Stay in Cancún
Bundle flight + hotel to save another 10–20%. Pricing via Expedia.
Other routes from Washington
Flights to Cancún from other US airports
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