Washington (IAD) to Cancún (CUN) flight deal in economy from $171
IADWashington Dulles International Airport
Washington, United States
CUNCancún International Airport
Cancún, Mexico
$219 USD
-22%$171 USD
Verified 6 days agoAugust 2026
Mon
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Great Availability
61% of dates checked are available within 10% of the lowest price
Friday, August 21st, 2026
Outbound Flights
3h 39m·Nonstop
$171 USD
IADAug 21 08:26
→CUNAug 21 11:05
UA 1154Boeing 737
3h 37m·Nonstop
$171 USDIADAug 21 12:35
→CUNAug 21 15:12
UA 1276Boeing 737MAX 9 Passenger
7h 22m·1 stop
$175 USDIADAug 21 12:57
→IAHAug 21 15:17
UA 1535Boeing 737
1h 48m layover
IAHAug 21 17:05
→CUNAug 21 19:19
UA 1020Boeing 737MAX 9 Passenger
12h 37m·1 stop
$175 USDIADAug 21 22:29
→IAHAug 22 00:45
UA 1463Boeing 737
7h 3m layover
IAHAug 22 07:48
→CUNAug 22 10:06
UA 1619Boeing 737MAX 9 Passenger
15h 24m·1 stop
$175 USDIADAug 21 22:34
→DENAug 22 00:30
UA 495Airbus A321neo
7h 31m layover
DENAug 22 08:01
→CUNAug 22 12:58
UA 1119Airbus A321neo
7h 6m·1 stop
$201 USDIADAug 21 08:31
→IAHAug 21 10:52
UA 1524Boeing 737
1h 27m layover
IAHAug 21 12:19
→CUNAug 21 14:37
UA 1167Boeing 737MAX 9 Passenger
18h 41m·1 stop
$519 USDIADAug 21 13:00
→LAXAug 21 15:23
UA 1689Boeing 777
8h 36m layover
LAXAug 21 23:59
→CUNAug 22 06:41
UA 1075Boeing 737
13h 59m·1 stop
$700 USDIADAug 21 17:42
→LAXAug 21 20:18
UA 2276Boeing 757
3h 41m layover
LAXAug 21 23:59
→CUNAug 22 06:41
UA 1075Boeing 737