Expect long security queues at IAD, especially in the afternoon. Plan extra time for check-in and security to avoid delays.
Round-trip from | $309 (Priceline) |
---|---|
One-way from | $131 (Priceline) |
Popular in | December |
Cheapest in | September |
Average price | $607 |
Good round-trip deal | $518 or less |
Good one-way deal | $246 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Fri 10/10
8:18 pm-2:55 pm
1 stop19h 37m
Cancun
Mon 10/13
1:41 pm-12:06 am
1 stop9h 25m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sat 8/30
2:25 pm-11:48 am
2 stops22h 23m
Cancun
Mon 9/1
12:38 pm-12:37 pm
2 stops22h 59m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Tue 6/24
6:10 am-12:32 pm
1 stop7h 22m
Cancun
Wed 6/25
12:38 pm-12:10 am
2 stops10h 32m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Fri 9/5
1:00 pm-1:00 pm
1 stop25h 00m
Cancun
Sun 9/7
8:45 pm-9:38 am
1 stop11h 53m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Thu 10/9
7:25 pm-1:10 pm
2 stops18h 45m
Cancun
Tue 10/14
12:45 pm-5:35 am
2 stops15h 50m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sun 9/7
8:34 am-11:10 am
Nonstop3h 36m
Cancun
Thu 9/11
11:14 am-3:30 pm
Nonstop3h 16m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Mon 9/1
6:27 am-8:05 pm
1 stop14h 38m
Cancun
Wed 9/3
10:59 am-10:49 pm
1 stop10h 50m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sun 11/23
3:35 pm-12:53 am
1 stop9h 18m
Cancun
Fri 11/28
6:00 am-1:49 pm
1 stop7h 49m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Wed 8/13
6:00 am-2:10 pm
1 stop9h 10m
Cancun
Wed 8/20
6:01 am-3:26 pm
1 stop8h 25m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sat 8/30
6:10 am-12:39 pm
1 stop7h 29m
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.
The most flights from IAD to CUN are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
In terms of precipitation, rainfall in Cancún ranges from 1.1 - 11.1 inches per month. October is typically the wettest month, when rainfall can reach 11.1 in. April is typically the driest time to visit Cancún when rainfall is around 1.1 in.
If weather is an important factor for your trip to Cancún, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 75.2 F).
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Kim,May 2025
PIH - SLC
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$134 | Average$459 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$182 | Average$459 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$263 | Average$351 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$318 | Average$420 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$320 | Average$503 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$345 | Average$484 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$406 | Average$613 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$413 | Average$623 | FlexibilityNo cancel fee | On-time71% |