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Cheap flights from Washington, D.C. to Mexico City from £158

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — MEX
14 Sep — 21 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington, D.C. to Mexico City

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Mexico City
Explore the most affordable flight options available from Washington, D.C. to Mexico City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2026.

Tue 10/1107:00 -
2 stops16h 10m
Tue 17/1111:10 -
1 stop6h 59m
Deal found 10/8£364
Thu 10/908:08 -
1 stop15h 42m
Wed 16/907:15 -
Nonstop4h 44m
Deal found 12/8£398
Fri 4/1215:44 -
Nonstop5h 16m
Mon 14/1208:45 -
Nonstop4h 26m
Deal found 11/8£399
Thu 10/912:26 -
1 stop11h 24m
Tue 15/908:40 -
Nonstop4h 40m
Deal found 12/8£402
Fri 4/1215:44 -
Nonstop5h 16m
Sat 12/1216:35 -
1 stop15h 36m
Deal found 11/8£406
Sat 31/1012:30 -
1 stop11h 15m
Sat 7/1106:40 -
1 stop9h 53m
Deal found 12/8£409
Tue 13/1016:53 -
Nonstop4h 57m
Fri 23/1008:40 -
Nonstop4h 40m
Deal found 14/8£413
Tue 13/1008:03 -
1 stop13h 17m
Wed 11/1108:45 -
Nonstop4h 26m
Deal found 12/8£416
Sat 17/1008:03 -
2 stops9h 17m
Wed 21/1008:40 -
Nonstop4h 40m
Deal found 14/8£420
Mon 12/1016:53 -
Nonstop4h 57m
Thu 22/1013:20 -
1 stop9h 22m
Deal found 14/8£421
Tue 13/1015:03 -
1 stop6h 17m
Wed 21/1007:05 -
1 stop8h 05m
Deal found 14/8£424
Fri 21/816:53 -
Nonstop4h 52m
Wed 26/808:40 -
Nonstop4h 39m
Deal found 11/8£425

Find flight deals from Washington, D.C. to Mexico City

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Mexico City (MEX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 August 2026.

Round-trip from

£345

One-way from

£158

Popular in

December

Cheapest in

May

Average price

£455
Delta
  • Delta
  • 24/1-31/1
  • 1 total stop
  • 14h 57m total
  • Washington, D.C. to Mexico City
Search Deals
Delta
  • Delta
  • 29/1
  • Nonstop
  • 5h 22m total
  • Washington, D.C. to Mexico City
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Mexico City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 August 2026.
Use the filters below to find and compare flights from Washington, D.C. to Mexico City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Mexico City

IAD Washington, D.C. Dulles Intl - MEX Mexico City Benito Juarez

IADMEX

Washington, D.C. Dulles Intl

Mon 11/1

15:38-20:00

Nonstop5h 22m

Mexico City Benito Juarez

Sun 17/1

06:55-17:30

1 stop9h 35m

£360

Washington, D.C.Mexico City

IAD Washington, D.C. Dulles Intl - MEX Mexico City Benito Juarez

IADMEX

Washington, D.C. Dulles Intl

Sun 1/11

15:44-20:00

Nonstop5h 16m

Mexico City Benito Juarez

Sat 12/12

08:45-14:11

Nonstop4h 26m

£399

Washington, D.C.Mexico City

IAD Washington, D.C. Dulles Intl - MEX Mexico City Benito Juarez

IADMEX

Washington, D.C. Dulles Intl

Sat 7/11

15:44-20:00

Nonstop5h 16m

Mexico City Benito Juarez

Wed 11/11

08:45-14:11

Nonstop4h 26m

£399

Washington, D.C.Mexico City

IAD Washington, D.C. Dulles Intl - MEX Mexico City Benito Juarez

IADMEX

Washington, D.C. Dulles Intl

Thu 7/1

15:38-20:00

Nonstop5h 22m

Mexico City Benito Juarez

Tue 12/1

08:45-14:06

Nonstop4h 21m

£399

Washington, D.C.Mexico City

IAD Washington, D.C. Dulles Intl - MEX Mexico City Benito Juarez

IADMEX

Washington, D.C. Dulles Intl

Tue 10/11

15:44-20:00

Nonstop5h 16m

Mexico City Benito Juarez

Tue 17/11

08:45-14:11

Nonstop4h 26m

£399

Washington, D.C.Mexico City

IAD Washington, D.C. Dulles Intl - MEX Mexico City Benito Juarez

IADMEX

Washington, D.C. Dulles Intl

Thu 15/10

16:53-19:50

Nonstop4h 57m

Mexico City Benito Juarez

Tue 20/10

15:30-00:42

1 stop7h 12m

£406

Washington, D.C.Mexico City

IAD Washington, D.C. Dulles Intl - MEX Mexico City Benito Juarez

IADMEX

Washington, D.C. Dulles Intl

Thu 12/11

15:00-21:55

1 stop7h 55m

Mexico City Benito Juarez

Mon 16/11

07:05-15:57

1 stop7h 52m

£409

Washington, D.C.Mexico City

IAD Washington, D.C. Dulles Intl - MEX Mexico City Benito Juarez

IADMEX

Washington, D.C. Dulles Intl

Thu 4/2

15:38-20:00

Nonstop5h 22m

Mexico City Benito Juarez

Mon 8/2

08:45-14:06

Nonstop4h 21m

£413
Fastest return journey

Washington, D.C.Mexico City

IAD Washington, D.C. Dulles Intl - MEX Mexico City Benito Juarez

IADMEX

Washington, D.C. Dulles Intl

Fri 16/10

16:53-19:50

Nonstop4h 57m

Mexico City Benito Juarez

Sat 24/10

08:40-15:20

Nonstop4h 40m

£413

Washington, D.C.Mexico City

IAD Washington, D.C. Dulles Intl - MEX Mexico City Benito Juarez

IADMEX

Washington, D.C. Dulles Intl

Sat 31/10

12:30-21:45

1 stop11h 15m

Mexico City Benito Juarez

Wed 4/11

08:45-14:11

Nonstop4h 26m

£431

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Washington, D.C. to Mexico City

Have a flexible travel schedule? Discover the best time to fly to Mexico City from Washington, D.C. with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Mexico City

What is the cheapest month to book a flight from Washington, D.C. to Mexico City?

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Mexico City (average of £407). Flying from Washington, D.C. to Mexico City in December is currently the most expensive (average of £535). 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.

What is the cheapest time of day to fly from WAS to MEX?

Find hourly flight availability from Washington, D.C. to Mexico City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 August 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Mexico City as you normally would.

Weekly flight availability from Washington, D.C. to Mexico City

Explore weekly flight availability from Washington, D.C. to Mexico City. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 August 2026.

The most flights from WAS to MEX are scheduled on a Wednesday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost for a return flight from Washington, D.C. to Mexico City?

Airfare is below average for this route at the moment.
Washington, D.C. to Mexico City flights typically cost between £387 and £515 in January.
The cheapest return price found within the last 5 days was £345 on Delta (13 Jan–17 Jan).

How far ahead should I book a flight from Washington, D.C. to Mexico City?

Booking 59 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.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Mexico City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Mexico City from Washington, D.C.?

    Most people fly into Mexico City Benito Juarez (MEX) if they book a flight to Mexico City from Washington, D.C.. On average, Benito Juarez has 3 inbound flights from Washington, D.C. per day from 0 airlines. Mexico City Benito Juarez is conveniently located just 5.5 mi from Mexico City’s city center.

  • How long is the flight from Washington, D.C. to Mexico City?

    A quick flight from Washington, D.C. to Mexico City can take about 5h 22m. Delta provides one of the quickest options available for as low as £345. The distance between Washington, D.C. and Mexico City is about 1865 mi. Most flights are nonstop.

  • What are the most reliable airlines from Washington, D.C. to Mexico City?

    Before booking your flight to Mexico City from Washington, D.C., check out the most reliable airlines to get you to your destination on time: KLM (83%), Delta (83%), Aeromexico( 83%).

  • Can I find deals for flights from Washington, D.C. to Mexico City that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Mexico City flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Mexico City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Mexico City.

  • Can I find deals for business class flights from Washington, D.C. to Mexico City?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Mexico City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Mexico City?

    Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Mexico City (average of £407). Flying from Washington, D.C. to Mexico City in December is currently the most expensive (average of £535). 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.

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Can Cheapflights find flights from Washington, D.C. to Mexico City with no change fees?

Need flexible booking options for your flight to Mexico City from Washington, D.C.? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Mexico City become cheaper?

Not ready to book yet? You can track prices for flights from Washington, D.C. to Mexico City on Cheapflights with our Price Alert feature and get notified when better prices are available.

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