Expect long security queues at IAD, especially in the afternoon. Plan extra time for check-in and security to avoid delays.
Round-trip from | $286 (Avianca) |
---|---|
One-way from | $160 (Cheapflightsfares) |
Popular in | December |
Cheapest in | September |
Average price | $608 |
Good round-trip deal | $557 or less |
Good one-way deal | $259 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Wed 9/17
9:35 am-1:00 pm
1 stop28h 25m
Cancun
Fri 9/26
12:38 pm-12:54 am
2 stops11h 16m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Wed 9/17
9:35 am-1:00 pm
1 stop28h 25m
Cancun
Fri 9/26
10:20 am-9:38 am
1 stop22h 18m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sun 7/20
2:37 am-11:48 am
1 stop10h 11m
Cancun
Wed 7/30
12:38 pm-12:57 am
1 stop11h 19m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sat 8/9
6:10 am-12:27 pm
1 stop7h 17m
Cancun
Sat 8/16
1:49 pm-11:26 pm
1 stop8h 37m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Mon 8/25
8:34 am-11:10 am
Nonstop3h 36m
Cancun
Fri 8/29
11:14 am-3:30 pm
Nonstop3h 16m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Thu 8/21
6:34 am-8:05 pm
2 stops14h 31m
Cancun
Tue 8/26
7:45 am-10:56 pm
2 stops14h 11m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Tue 8/5
6:00 am-1:15 pm
2 stops8h 15m
Cancun
Fri 8/8
5:56 am-3:31 pm
1 stop8h 35m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sat 8/16
5:16 pm-1:22 am
1 stop9h 06m
Cancun
Fri 8/22
5:56 am-3:26 pm
1 stop8h 30m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sun 9/7
5:37 pm-1:00 pm
1 stop20h 23m
Washington, D.C.Cancún
IAD - CUN
IADCUN
Washington, D.C. Dulles Intl
Sat 8/23
2:25 pm-11:48 am
2 stops22h 23m
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).
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
Surinder,May 2025
SEA - YYZ
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
Surinder,May 2025
SEA - YYZ
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
Surinder,May 2025
SEA - YYZ
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
Surinder,May 2025
SEA - YYZ
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
Surinder,May 2025
SEA - YYZ
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$310 | Average$486 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$315 | Average$419 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$320 | Average$516 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$406 | Average$613 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$466 | Average$634 | FlexibilityNo cancel fee | On-time71% |