Afternoon and evening check-in areas at IAD can be crowded, so plan extra time for security and boarding.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $440 (Kiwi.com) |
One-way from | $253 (Mytrip) |
Popular in | December |
Cheapest in | June |
Average price | $645 |
Good round-trip deal | $521 or less |
Good one-way deal | $253 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Mexico City
IAD - MEX
IADMEX
Washington, D.C. Dulles Intl
Thu 11/20
4:01 pm-8:10 pm
Nonstop5h 09m
Mexico City Benito Juarez
Mon 11/24
8:40 am-2:02 pm
Nonstop4h 22m
Washington, D.C.Mexico City
IAD - MEX
IADMEX
Washington, D.C. Dulles Intl
Wed 3/18
4:15 pm-7:50 pm
Nonstop5h 35m
Mexico City Benito Juarez
Mon 3/23
8:25 am-2:45 pm
Nonstop4h 20m
Washington, D.C.Mexico City
IAD - MEX
IADMEX
Washington, D.C. Dulles Intl
Wed 3/25
7:00 am-7:50 pm
1 stop14h 50m
Mexico City Benito Juarez
Wed 4/1
8:40 am-3:17 pm
Nonstop4h 37m
Washington, D.C.Mexico City
IAD - MEX
IADMEX
Washington, D.C. Dulles Intl
Tue 3/24
7:00 am-2:15 pm
1 stop9h 15m
Mexico City Benito Juarez
Wed 4/1
8:40 am-3:17 pm
Nonstop4h 37m
Washington, D.C.Mexico City
IAD - MEX
IADMEX
Washington, D.C. Dulles Intl
Tue 11/25
4:01 pm-8:10 pm
Nonstop5h 09m
Mexico City Benito Juarez
Tue 12/2
6:55 am-7:19 pm
1 stop11h 24m
Washington, D.C.Mexico City
IAD - MEX
IADMEX
Washington, D.C. Dulles Intl
Thu 3/26
4:15 pm-7:50 pm
Nonstop5h 35m
Mexico City Benito Juarez
Wed 4/1
3:45 pm-12:07 am
1 stop6h 22m
Washington, D.C.Mexico City
IAD - MEX
IADMEX
Washington, D.C. Dulles Intl
Mon 3/23
1:00 pm-7:50 pm
1 stop8h 50m
Mexico City Benito Juarez
Tue 3/31
7:05 am-7:12 pm
1 stop10h 07m
Washington, D.C.Mexico City
IAD - MEX
IADMEX
Washington, D.C. Dulles Intl
Thu 3/26
4:15 pm-7:50 pm
Nonstop5h 35m
Mexico City Benito Juarez
Mon 3/30
8:40 am-3:17 pm
Nonstop4h 37m
Washington, D.C.Mexico City
IAD - MEX
IADMEX
Washington, D.C. Dulles Intl
Wed 3/18
4:15 pm-7:50 pm
Nonstop5h 35m
Mexico City Benito Juarez
Tue 3/24
8:25 am-2:45 pm
Nonstop4h 20m
Washington, D.C.Mexico City
IAD - MEX
IADMEX
Washington, D.C. Dulles Intl
Wed 2/4
6:00 am-3:15 pm
1 stop10h 15m
Mexico City Benito Juarez
Wed 2/11
8:25 am-1:45 pm
Nonstop4h 20m
| 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 Accuracy1 star | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Mexico City, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, June is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Mexico City (average of $230). Flying from Washington, D.C. Dulles Intl Airport to Mexico City in January is currently the most expensive (average of $451). 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.
When flying from Washington, D.C. Dulles Intl Airport to Mexico City, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 36% versus a flight at noon.
Crew
Boarding
Overall
Comfort
Food
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Crew
Boarding
Overall
Comfort
Food
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Crew
Boarding
Overall
Comfort
Food
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Crew
Boarding
Overall
Comfort
Food
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Crew
Boarding
Overall
Comfort
Food
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Crew
Boarding
Overall
Comfort
Food
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$419 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$339 | Average$562 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$345 | Average$574 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$379 | Average$588 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$445 | Average$666 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$488 | Average$543 | FlexibilityNo cancel fee | On-time67% |