Security lines at MEX are efficient; expect to be through in under 20 minutes. Arrive early for US flights due to additional gate checks.

Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $316 (Booking.com) |
One-way from | $239 (Kiwi.com) |
Popular in | November |
Cheapest in | June |
Average price | $567 |
Good round-trip deal | $429 or less |
Good one-way deal | $257 or less |
Fly from
Fly to
Route
Depart
Return
Price
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Thu 3/5
8:25 am-1:45 pm
Nonstop4h 20m
Washington, D.C. Dulles Intl
Tue 3/10
6:00 am-11:55 am
1 stop7h 55m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Fri 3/6
8:45 am-7:09 pm
1 stop9h 24m
Washington, D.C. Dulles Intl
Thu 3/19
4:15 pm-7:50 pm
Nonstop5h 35m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Wed 5/20
8:40 am-3:17 pm
Nonstop4h 37m
Washington, D.C. Dulles Intl
Mon 5/25
1:00 pm-9:21 pm
1 stop10h 21m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Mon 4/13
8:40 am-3:17 pm
Nonstop4h 37m
Washington, D.C. Dulles Intl
Sun 4/19
1:00 pm-9:21 pm
1 stop10h 21m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Thu 12/25
9:40 am-2:50 pm
Nonstop4h 10m
Washington, D.C. Dulles Intl
Mon 1/5
5:40 pm-9:50 pm
Nonstop5h 10m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Thu 12/25
9:40 am-2:50 pm
Nonstop4h 10m
Washington, D.C. Dulles Intl
Tue 1/6
10:02 am-10:30 pm
1 stop13h 28m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Fri 3/13
3:45 pm-12:26 am
1 stop6h 41m
Washington, D.C. Dulles Intl
Mon 3/16
6:00 am-11:55 am
1 stop7h 55m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Wed 12/17
9:40 am-2:50 pm
Nonstop4h 10m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Mon 12/15
8:40 am-2:02 pm
Nonstop4h 22m
Mexico CityWashington, D.C.
MEX - IAD
MEXIAD
Mexico City Benito Juarez
Wed 12/24
8:25 am-1:51 pm
Nonstop4h 26m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
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 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, December is the cheapest month in which you can book a flight from Mexico City to Washington, D.C. Dulles Intl Airport (average of $257). Flying from Mexico City to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $457). 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 evening. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.
About 5% of weekly flights between Mexico City and Washington, D.C. have experienced delays in the past year, with the average delay time being 140 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Aeromexico have had the lowest number of delays on this route, with just 4% of flights being delayed.
Comfort
Overall
Crew
Boarding
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Overall
Crew
Boarding
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Overall
Crew
Boarding
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Overall
Crew
Boarding
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$319 | Average$620 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$429 | Average$545 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$437 | Average$566 | FlexibilityNo cancel fee | On-time69% |