Washington to Cancun flights
The cheapest round trip we found from Washington to Cancun is $306 (Dec 12 – 17, 1 stop), 27% below the usual $421.
WAS to CUN · Round trip · Economy · Prices per person in USD · Price found (3 days ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | No fares found yet |
| December 2026 | $306 (cheapest month) |
| January 2027 | No fares found yet |
| February 2027 | No fares found yet |
| March 2027 | $581 |
| April 2027 | No fares found yet |
| May 2027 | No fares found yet |
| June 2027 | No fares found yet |
| July 2027 | $651 |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 12 – 17 5 nights · leave Sat$306 −27% vs usual$306 −27% vs usual Book
Frontier Airlines 1 stop · 5h 07m -
Dec 9 – 14 5 nights · leave Wed$418$418 Book
Frontier Airlines 1 stop · 5h 07m
-
Dec 13 – 20 7 nights · leave Sun$433$433 Book
Frontier Airlines 1 stop · 5h 07m
-
Dec 12 – 19 7 nights · leave Sat$437$437 Book
Frontier Airlines 1 stop · 5h 07m
-
Dec 23 – 27 4 nights · leave Wed$581 +38% vs usual$581 +38% vs usual Book
Frontier Airlines 1 stop · 5h 07m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Cancun
One Go City pass for Chichen Itza day trip, Xcaret Park, Interactive Aquarium Cancun and more
- All-Inclusive Pass Unlimited Visit as many attractions as you like for 2–5 days from $189 See pass
- All-Inclusive Pass Plus All-Inclusive plus 1 extra attractions from $274 See pass
- Essentials Pass A few top attractions, chosen as you go from $159 See pass
Go City prices checked Oct 23, 2026; the final price is on Go City. Partner links: we may earn a commission if you book, at no extra cost to you.
Plan the rest of your trip
Cancun · Dec 12 – 17- eSIM for Mexico Yesim · prepaid mobile data (opens Yesim in a new tab)
- Car rental in Mexico Economybookings · compare rental companies (opens Economybookings in a new tab)
Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
More from Washington
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Flights to Cancun from other cities
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- Tijuana $183 −7%
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Washington to Cancun: questions
How much does a flight from Washington to Cancun cost?
The cheapest round trip we have found right now is $306, leaving December 12 and returning December 17. The usual price on this route is about $421, so this fare is 27% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Washington to Cancun?
December 2026, with round trips from $306. The most expensive month in our data is July (from $651). Based on the 3 months ahead we have prices for.
Which airports do Washington to Cancun flights use?
Washington airports include Washington Dulles International (IAD) and Ronald Reagan National (DCA). Cancun airports include Cancun International (CUN). The prices on this page cover every airport in both cities (WAS and CUN are the city codes).
About this route
We track round-trip economy fares from Washington (United States) to Cancun (Mexico) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $306, departing December 12 and returning December 17, about 27% below the usual $421. Right now we're following 5 upcoming date combinations on this route. The cheapest month to fly in our data is December, from $306. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.