Security lines at MEX are efficient; expect to be through in under 20 minutes. Arrive early for US flights due to additional gate checks.
Round-trip from | $430 (Avianca) |
---|---|
One-way from | $239 (SmartFares) |
Popular in | December |
Cheapest in | November |
Average price | $494 |
Good round-trip deal | $471 or less |
Good one-way deal | $293 or less |
Fly from
Fly to
Route
Depart
Return
Price
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Wed 7/23
4:50 pm-4:20 am
1 stop9h 30m
Washington, D.C. Dulles Intl
Mon 7/28
2:35 am-3:25 pm
2 stops14h 50m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Thu 7/10
3:10 pm-10:07 am
1 stop16h 57m
Washington, D.C. Dulles Intl
Thu 7/17
7:25 pm-6:35 pm
1 stop25h 10m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Tue 8/5
8:45 am-3:31 pm
Nonstop4h 46m
Washington, D.C. Dulles Intl
Tue 8/12
5:16 pm-8:00 pm
Nonstop4h 44m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Wed 7/9
8:45 am-3:09 pm
Nonstop4h 24m
Washington, D.C. Dulles Intl
Wed 7/16
6:18 pm-9:10 pm
Nonstop4h 52m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Fri 9/5
7:10 am-9:05 pm
1 stop11h 55m
Washington, D.C. Dulles Intl
Sun 9/7
9:45 am-10:55 pm
1 stop15h 10m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Tue 7/15
11:15 pm-12:02 pm
1 stop10h 47m
Washington, D.C. Dulles Intl
Wed 8/6
12:12 pm-9:30 pm
1 stop11h 18m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Fri 7/4
9:55 am-9:12 pm
1 stop9h 17m
Washington, D.C. Dulles Intl
Sun 7/6
9:58 pm-6:35 pm
1 stop22h 37m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Wed 7/16
10:55 am-11:58 pm
2 stops11h 03m
Washington, D.C. Dulles Intl
Wed 8/6
7:44 am-8:15 pm
2 stops14h 31m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Thu 7/10
3:10 pm-10:07 am
1 stop16h 57m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Sat 6/21
4:50 pm-4:20 am
1 stop9h 30m
The price you pay for your flight from Mexico City to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, August is the cheapest month in which you can book a flight from Mexico City to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Mexico City to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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.
It’s typically best to fly out from Mexico City to Washington, D.C. Dulles Intl Airport in the afternoon. Doing so could potentially save you 19% on the flight price compared to flying in the morning, which is usually more expensive.
The most flights from MEX to IAD are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.
If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
Food
Boarding
Crew
Entertainment
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Crew
Entertainment
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Crew
Entertainment
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Crew
Entertainment
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Crew
Entertainment
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Crew
Entertainment
Comfort
Overall
Reviews
Kim,May 2025
PIH - SLC
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$387 | Average$578 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$417 | Average$540 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$441 | Average$582 | FlexibilityNo cancel fee | On-time69% |