Check-in at IAD can be crowded in the afternoon and evening. Arrive early to avoid long lines and ensure a smooth departure.

Most accurate provider | eDreams 3 stars  | 
|---|---|
Most trusted provider | eDreams 3 stars  | 
Round-trip from | $310 (Kiwi.com)  | 
One-way from | $110 (Kiwi.com)  | 
Popular in | December | 
Cheapest in | March | 
Average price | $597 | 
Good round-trip deal | $535 or less | 
Good one-way deal | $253 or less | 
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreMexico City
BWI - MEX
BWIMEX
Baltimore/Washington
Thu 1/15
12:23 pm-10:30 pm
1 stop11h 07m
Mexico City Benito Juarez
Tue 1/27
7:20 pm-8:32 pm
2 stops24h 12m
Washington, D.C.Mexico City
DCA - MEX
DCAMEX
Washington, D.C. Reagan-National
Thu 12/4
8:00 am-9:45 pm
2 stops14h 45m
Mexico City Benito Juarez
Sat 12/6
8:10 am-9:59 pm
1 stop12h 49m
Washington, D.C.Mexico City
DCA - MEX
DCAMEX
Washington, D.C. Reagan-National
Tue 1/6
6:00 am-2:55 pm
1 stop9h 55m
Mexico City Benito Juarez
Tue 1/13
1:35 pm-11:41 pm
1 stop9h 06m
BaltimoreMexico City
BWI - MEX
BWIMEX
Baltimore/Washington
Mon 11/17
6:21 pm-11:55 am
2 stops18h 34m
Mexico City Benito Juarez
Tue 12/2
7:00 am-7:32 pm
2 stops11h 32m
BaltimoreMexico City
BWI - MEX
BWIMEX
Baltimore/Washington
Wed 11/19
10:27 am-9:40 pm
2 stops12h 13m
Mexico City Benito Juarez
Tue 12/2
7:00 am-10:08 pm
2 stops14h 08m
BaltimoreMexico City
BWI - MEX
BWIMEX
Baltimore/Washington
Tue 11/18
6:00 am-4:55 pm
2 stops11h 55m
Mexico City Benito Juarez
Tue 12/2
7:00 am-7:32 pm
2 stops11h 32m
BaltimoreMexico City
BWI - MEX
BWIMEX
Baltimore/Washington
Thu 11/20
10:27 am-8:35 pm
2 stops11h 08m
Mexico City Benito Juarez
Tue 12/2
7:00 am-12:19 am
2 stops16h 19m
BaltimoreMexico City
BWI - MEX
BWIMEX
Baltimore/Washington
Sun 2/1
6:00 am-12:30 pm
1 stop7h 30m
Mexico City Benito Juarez
Sat 2/7
12:35 pm-8:14 pm
1 stop6h 39m
Washington, D.C.Mexico City
IAD - MEX
IADMEX
Washington, D.C. Dulles Intl
Fri 1/16
3:15 pm-7:50 pm
Nonstop5h 35m
Mexico City Benito Juarez
Sun 1/18
8:25 am-1:45 pm
Nonstop4h 20m
Washington, D.C.Mexico City
IAD - MEX
IADMEX
Washington, D.C. Dulles Intl
Sat 1/17
12:23 pm-9:55 pm
1 stop10h 32m
Mexico City Benito Juarez
Sat 1/24
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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | 
Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Mexico City. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Mexico City (average of $230). Flying from Washington, D.C. to Mexico City in October is currently the most expensive (average of $423). 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 optimal to fly from Washington, D.C. to Mexico City in the evening. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.
Travelers seeking maximum savings on their Washington, D.C. to Mexico City flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from WAS to MEX are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Food
Crew
Overall
Entertainment
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$118 | Average$419 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$332 | Average$630 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$345 | Average$642 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$347 | Average$585 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$417 | Average$657 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$488 | Average$543 | FlexibilityNo cancel fee | On-time67% |