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Cheap Flights from Washington Dulles to Cancun

Compare Washington Dulles to Cancun flight deals

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Flight deals from Washington Dulles to Cancun

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Cancun Airport? If you want to travel next month, return fares start from Rs87,726. Find the lowest prices on one-way and return tickets right here.
Cancun.Rs40,764 per passenger.Departing Sat, 5 Sep.One-way flight with Aeromexico.Outbound indirect flight with Aeromexico, departs from Washington Dulles on Sat, 5 Sep, arriving in Cancun.Price includes taxes and charges.From Rs40,764, select.
Cancun.Rs41,587 per passenger.Departing Wed, 12 Aug.One-way flight with Aeromexico.Outbound indirect flight with Aeromexico, departs from Washington Dulles on Wed, 12 Aug, arriving in Cancun.Price includes taxes and charges.From Rs41,587, select.
Cancun.Rs41,701 per passenger.Departing Mon, 27 Jul.One-way flight with Aeromexico.Outbound indirect flight with Aeromexico, departs from Washington Dulles on Mon, 27 Jul, arriving in Cancun.Price includes taxes and charges.From Rs41,701, select.
Cancun.Rs43,709 per passenger.Departing Thu, 11 Mar.One-way flight with Aeromexico.Outbound indirect flight with Aeromexico, departs from Washington Dulles on Thu, 11 Mar, arriving in Cancun.Price includes taxes and charges.From Rs43,709, select.
Cancun.Rs43,770 per passenger.Departing Tue, 13 Oct.One-way flight with Aeromexico.Outbound indirect flight with Aeromexico, departs from Washington Dulles on Tue, 13 Oct, arriving in Cancun.Price includes taxes and charges.From Rs43,770, select.
Cancun.Rs43,770 per passenger.Departing Sun, 1 Nov.One-way flight with Aeromexico.Outbound indirect flight with Aeromexico, departs from Washington Dulles on Sun, 1 Nov, arriving in Cancun.Price includes taxes and charges.From Rs43,770, select.
Cancun.Rs44,026 per passenger.Departing Tue, 8 Dec.One-way flight with Aeromexico.Outbound indirect flight with Aeromexico, departs from Washington Dulles on Tue, 8 Dec, arriving in Cancun.Price includes taxes and charges.From Rs44,026, select.
Cancun.Rs44,232 per passenger.Departing Sun, 4 Apr.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Sun, 4 Apr, arriving in Cancun.Price includes taxes and charges.From Rs44,232, select.
Cancun.Rs44,260 per passenger.Departing Sun, 9 May.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Sun, 9 May, arriving in Cancun.Price includes taxes and charges.From Rs44,260, select.
Cancun.Rs44,343 per passenger.Departing Sun, 15 Nov.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Sun, 15 Nov, arriving in Cancun.Price includes taxes and charges.From Rs44,343, select.
Cancun.Rs44,435 per passenger.Departing Sat, 3 Oct.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Sat, 3 Oct, arriving in Cancun.Price includes taxes and charges.From Rs44,435, select.
Cancun.Rs44,435 per passenger.Departing Tue, 25 Aug.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Tue, 25 Aug, arriving in Cancun.Price includes taxes and charges.From Rs44,435, select.
Cancun.Rs44,435 per passenger.Departing Sat, 5 Sep.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Sat, 5 Sep, arriving in Cancun.Price includes taxes and charges.From Rs44,435, select.
Cancun.Rs44,435 per passenger.Departing Fri, 8 Jan.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Fri, 8 Jan, arriving in Cancun.Price includes taxes and charges.From Rs44,435, select.
Cancun.Rs44,590 per passenger.Departing Fri, 26 Feb.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Fri, 26 Feb, arriving in Cancun.Price includes taxes and charges.From Rs44,590, select.
Cancun.Rs50,415 per passenger.Departing Tue, 14 Jul.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Tue, 14 Jul, arriving in Cancun.Price includes taxes and charges.From Rs50,415, select.

Find the cheapest month to fly from Washington Dulles to Cancun

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Cancun flights are currently cheapest in September.
Jul
from Rs41,701
Aug
from Rs41,587
Sep
from Rs40,764
Oct
from Rs43,770
Nov
from Rs43,770
Dec
from Rs44,026
Jan
from Rs44,435
Feb
from Rs44,590
Mar
from Rs43,709
Apr
from Rs44,232
May
from Rs44,260
Jun
Find prices

Direct flights from Washington Dulles to Cancun

Washington Dulles to Cancun: Alternative routes

Compare routes from Washington Dulles to Cancun below. You may find an airport to fly into that's cheaper, faster, or easier than Cancun.

Cancun

14km from central Cancun
ClosestCheapest
from Rs40,764
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Washington D.C. to Cancun: Flight information

The things to know before you go.
Cheapest flight foundRs40,764
Cheapest month to flySeptember
Average flight time3 hrs, 48 mins
Most popular airlineUnited
Average flights per week17

Finding cheap flights from Washington Dulles to Cancun: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Cancun is Rs86,152. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 48 minutes is the average flight time from Washington Dulles to Cancun.
United flies direct from Washington Dulles to Cancun.
As of July 2026, there are 17 flights per week flying from Washington Dulles to Cancun.
The cheapest month to fly from Washington Dulles to Cancun is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Cancun Airport on Thursday, 27 August 2026.
Yes – the average flight time is 3 hours and 48 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cancun but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cancun is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Aeromexico and United offer the cheapest flight tickets to Cancun.

Travelling from Washington Dulles Airport (IAD) to Cancun Airport (CUN): what you need to know

  • Jump on a direct flight from Washington Dulles Airport to Cancun Airport and you'll be travelling for an average of 3 hours 50 minutes.

  • Washington DC and Cancun are both in the UTC-5 timezone. This means you won't need to account for any time differences.

  • Each week, there are 14 Washington Dulles Airport to Cancun Airport flights. If you'd like to jet off as early as possible, go for the 07:00 United Airlines flight. If you'd rather make the most of your day before flying, the last departure is at 17:50 with United Airlines.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Show up at the airport on time to board your IAD to CUN flight.

  • Travelling during a peak month like July? Public holidays and other popular seasons can lead to longer queues and delays at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.

  • United is your gateway to exploring Cancun (and maybe even some other exciting corners of Mexico!). Check out the direct flights from Washington Dulles Airport to Cancun Airport offered by this carrier.

  • United is the airline most travellers choose to fly with on this route.

  • United tops the rankings as the most punctual carrier for IAD to CUN flights, with 88.05% of its services landing as scheduled.

  • We make it simple to book a flight with a stopover. To see all your options for tickets from Washington Dulles Airport to Cancun Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to visit your chosen city. Worthwhile stopovers between IAD and CUN include:

    • Atlanta Hartsfield-Jackson Airport

    • Charlotte Douglas Airport

    • Detroit Wayne County Airport

How to find the cheapest flights from Washington Dulles Airport (IAD) to Cancun Airport (CUN)

  • At the moment, Rs40,764 is the cheapest price we've seen for a one-way Washington Dulles Airport to Cancun Airport flight. The best price for a return ticket is Rs86,152. Keep in mind that fares can change due to availability at the time of booking.

  • To score cheap tickets from IAD to CUN, reserve your journey one month before your departure date.

  • June is the cheapest month for flights from Washington Dulles Airport to Cancun Airport. If you're looking to fly during a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • You don't need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll update you as soon as there's a new deal on cheap flights from IAD to CUN.

  • Tailor your trip with filters. Select your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Washington Dulles Airport to Cancun Airport.

Handy information about Washington Dulles Airport (IAD)

  • You'll find IAD at 1 Saarinen Circle.

  • When it comes to Washington Dulles Airport's on-time performance, data shows 77% of flights arrive within the expected timeframe.

  • Central Washington DC to Washington Dulles Airport is approximately 40 kilometres. Depending on traffic, it'll take you about 45 minutes to get there if you're catching a taxi, ride-sharing or driving.

  • The journey on public transport typically takes 1 hour 10 minutes.

  • Get your holiday off to a stress-free start by staying near IAD. Whether you have an early flight from Washington Dulles Airport to Cancun Airport or just don't like being rushed, these stays are the answer:

Arriving at Cancun Airport (CUN)

  • If you're getting in on a late Washington Dulles Airport to Cancun Airport flight, nothing beats the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and relaxing soon after at one of these options near CUN:

  • Go wherever you want, whenever you want with a Cancun Airport rental car. Pick up a set of wheels from MEX, America or Europcar and find adventure across Cancun and beyond.

  • To get the best deal, book your vehicle from Cancun Airport about three weeks before travelling.

When to fly to Cancun Airport (CUN)

  • April is the most popular month for flights from Washington Dulles Airport to Cancun Airport. To avoid the crowds, visit Cancun in March.

  • When booking your flight from Washington Dulles Airport to Cancun Airport, consider the type of weather you like. August is the warmest month in Cancun, with temperatures ranging from 26ºC to 32ºC.

  • January has average temperatures of between 20ºC and 27ºC. Search for cheap tickets from IAD to CUN sometime around then if you want to travel in cooler conditions.

Explore more of Mexico

  • You've seen Cancun, now it's time to explore other corners of Mexico. Travel about 290 kilometres west to Merida to tick off its popular sights. From Chichen Itza, cenotes y pueblos magicos to Chichen-itza Park and Nva. Chichen Itza Park, you'll have a full itinerary ahead.

  • If you're ready to explore another well-known destination in Mexico, head for Campeche, roughly 418 kilometres west of Cancun. Zona Arquelogica Edzna, Old City Wall and Plaza de la Independencia are key highlights.

Plan the rest of your trip from Washington D.C. to Cancun

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.