Expect long security queues at IAD, especially in the afternoon. Plan extra time for check-in and security to avoid delays.
Round-trip from | $280 (American Airlines) |
---|---|
One-way from | $124 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $520 |
Good round-trip deal | $412 or less |
Good one-way deal | $179 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Wed 10/15
12:35 pm-3:06 pm
Nonstop3h 31m
Cancun
Tue 10/21
11:14 am-3:30 pm
Nonstop3h 16m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Wed 10/15
6:15 am-11:54 am
1 stop6h 39m
Cancun
Wed 10/22
4:12 pm-8:28 pm
Nonstop3h 16m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sat 11/15
6:00 am-3:59 pm
1 stop9h 59m
Cancun
Sat 11/22
5:09 pm-8:29 pm
Nonstop3h 20m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sun 12/14
7:01 am-3:33 pm
1 stop8h 32m
Cancun
Thu 12/18
12:15 pm-12:14 am
2 stops11h 59m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sun 12/14
8:29 am-12:20 pm
Nonstop3h 51m
Cancun
Sun 12/21
11:35 am-2:45 pm
Nonstop3h 10m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Tue 12/16
6:30 am-1:33 pm
1 stop7h 03m
Cancun
Sat 12/20
12:35 pm-3:55 pm
Nonstop3h 20m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Wed 11/5
6:00 am-12:54 pm
1 stop6h 54m
Cancun
Wed 11/12
5:09 pm-8:29 pm
Nonstop3h 20m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Mon 11/17
6:00 am-3:59 pm
1 stop9h 59m
Cancun
Sat 11/22
5:09 pm-8:29 pm
Nonstop3h 20m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sun 11/9
12:46 pm-4:40 pm
Nonstop3h 54m
Cancun
Sat 11/15
2:44 pm-10:12 pm
1 stop7h 28m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sat 11/29
6:00 am-3:34 pm
1 stop9h 34m
Cancun
Mon 12/8
8:49 am-9:30 pm
2 stops12h 41m
Booking 74 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.
Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 6h 59m.
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.
Entertainment
Food
Boarding
Comfort
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Boarding
Comfort
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Boarding
Comfort
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Boarding
Comfort
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Boarding
Comfort
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Boarding
Comfort
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$134 | Average$452 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$267 | Average$352 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$294 | Average$475 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$314 | Average$542 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$318 | Average$386 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$397 | Average$617 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$416 | Average$639 | FlexibilityNo cancel fee | On-time71% |