Expect long security queues at IAD, especially in the afternoon. Plan extra time for check-in and security to avoid delays.
Round-trip from | $275 (American Airlines) |
---|---|
One-way from | $124 (United Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $608 |
Good round-trip deal | $470 or less |
Good one-way deal | $173 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Mon 10/27
6:00 am-11:25 am
1 stop6h 25m
Cancun
Fri 10/31
11:28 am-8:51 pm
1 stop8h 23m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Mon 11/3
6:30 am-1:33 pm
1 stop7h 03m
Cancun
Wed 11/5
4:51 pm-11:44 pm
1 stop6h 53m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sat 9/20
8:34 am-11:10 am
Nonstop3h 36m
Cancun
Thu 9/25
4:12 pm-8:28 pm
Nonstop3h 16m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sat 9/13
8:34 am-11:10 am
Nonstop3h 36m
Cancun
Wed 9/24
11:14 am-3:30 pm
Nonstop3h 16m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sat 9/27
12:35 pm-3:06 pm
Nonstop3h 31m
Cancun
Tue 9/30
4:12 pm-8:28 pm
Nonstop3h 16m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sat 9/6
6:35 am-2:28 pm
1 stop8h 53m
Cancun
Thu 9/11
11:14 am-3:30 pm
Nonstop3h 16m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Tue 9/16
8:35 am-2:37 pm
1 stop7h 02m
Cancun
Sat 9/20
11:14 am-3:30 pm
Nonstop3h 16m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sat 9/20
6:00 am-5:45 pm
2 stops12h 45m
Cancun
Sat 9/27
6:01 am-3:12 pm
1 stop8h 11m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Wed 10/29
10:11 am-8:20 pm
1 stop11h 09m
Cancun
Tue 11/4
6:00 am-2:02 pm
1 stop8h 02m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Mon 11/3
7:59 am-2:12 pm
1 stop6h 13m
Booking 24 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Cancún. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cancún (average of $360). Flying from Washington, D.C. Dulles Intl Airport to Cancún in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Cancún is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 49% on airfare.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Cancún flight should consider departing on Sunday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Mexico City (MEX) – chosen by Cheapflights users on 56% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Cancún on Cheapflights.
Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $420.
Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 6h 59m.
Flights via Mexico City (MEX) offer the fastest connection on this route, with an average layover time of 1h 05m.
Comfort
Food
Boarding
Entertainment
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Comfort
Food
Boarding
Entertainment
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Comfort
Food
Boarding
Entertainment
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Comfort
Food
Boarding
Entertainment
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Comfort
Food
Boarding
Entertainment
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Comfort
Food
Boarding
Entertainment
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$134 | Average$450 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$182 | Average$459 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$263 | Average$352 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$294 | Average$480 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$318 | Average$383 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$320 | Average$530 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$408 | Average$617 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$460 | Average$633 | FlexibilityNo cancel fee | On-time71% |