Cheap flights from Washington, D.C. to Mexico City from £206

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — MEX
17 Apr — 24 Apr1
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 18 March 2026.

Mon 13/415:00
IAD
-
MEX
1 stop8h 50m
Delta
Tue 21/408:40
MEX
-
IAD
Nonstop4h 30m
Delta
Deal found 15/3£341
Wed 22/417:00
IAD
-
MEX
Nonstop5h 00m
Delta
Sun 3/508:40
MEX
-
IAD
Nonstop4h 30m
Delta
Deal found 13/3£344
Sat 25/413:00
IAD
-
MEX
1 stop8h 40m
Delta
Thu 7/508:30
MEX
-
IAD
Nonstop4h 34m
Delta
Deal found 13/3£347
Thu 20/807:00
IAD
-
MEX
2 stops11h 05m
Delta
Thu 27/808:40
MEX
-
IAD
Nonstop4h 37m
Delta
Deal found 15/3£350
Fri 24/417:00
IAD
-
MEX
Nonstop5h 00m
Delta
Fri 8/511:15
MEX
-
IAD
1 stop8h 09m
Delta
Deal found 13/3£351
Sat 23/513:32
IAD
-
MEX
1 stop10h 38m
Delta
Sat 30/508:40
MEX
-
IAD
1 stop9h 22m
Delta
Deal found 13/3£354
Mon 13/417:19
IAD
-
MEX
Nonstop4h 56m
United Airlines
Mon 20/408:45
MEX
-
IAD
Nonstop4h 26m
United Airlines
Deal found 16/3£359
Mon 13/417:27
IAD
-
MEX
1 stop6h 23m
Delta
Sun 19/408:40
MEX
-
IAD
Nonstop4h 30m
Delta
Deal found 13/3£362
Fri 1/506:00
IAD
-
MEX
2 stops14h 50m
Delta
Thu 7/508:30
MEX
-
IAD
Nonstop4h 34m
Delta
Deal found 16/3£365

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 18 March 2026.

Round-trip from

£341

One-way from

£206

Popular in

December

Cheapest in

May

Average price

£415
Delta
  • Delta
  • 13/4-21/4
  • Nonstop
  • 9h 30m total
  • Washington, D.C. to Mexico City
Delta
  • Delta
  • 3/4
  • Nonstop
  • 5h 00m total
  • Washington, D.C. to Mexico City
Highest demand for flights based on searches. 6% potential increase in price (£21 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in March 2026

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 18 March 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 - MEX

IADMEX

Washington, D.C. Dulles Intl

Tue 14/4

17:00-20:00

Nonstop5h 00m

Mexico City Benito Juarez

Thu 30/4

08:40-15:10

Nonstop4h 30m

£344

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Mon 4/5

17:27-21:50

1 stop6h 23m

Mexico City Benito Juarez

Tue 12/5

08:30-15:04

Nonstop4h 34m

£347

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Thu 30/4

12:37-21:50

1 stop11h 13m

Mexico City Benito Juarez

Wed 6/5

08:30-15:04

Nonstop4h 34m

£347

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Fri 17/4

17:27-21:50

1 stop6h 23m

Mexico City Benito Juarez

Fri 24/4

08:40-15:10

Nonstop4h 30m

£347

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Mon 13/4

12:45-19:15

1 stop8h 30m

Mexico City Benito Juarez

Tue 21/4

08:40-15:10

Nonstop4h 30m

£347

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Fri 1/5

07:06-13:55

1 stop8h 49m

Mexico City Benito Juarez

Sun 3/5

08:40-15:10

Nonstop4h 30m

£347

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Sun 3/5

07:05-13:55

1 stop8h 50m

Mexico City Benito Juarez

Sun 10/5

08:30-15:04

Nonstop4h 34m

£347

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Thu 27/8

13:00-21:15

1 stop10h 15m

Mexico City Benito Juarez

Mon 31/8

07:05-18:33

1 stop9h 28m

£354
Fastest return journey

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Thu 16/4

17:19-20:15

Nonstop4h 56m

Mexico City Benito Juarez

Tue 21/4

08:45-15:11

Nonstop4h 26m

£359

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Wed 2/9

17:09-20:00

Nonstop4h 51m

Mexico City Benito Juarez

Sun 6/9

08:40-15:17

Nonstop4h 37m

£359

Flights are sorted by cheapest return flights first.

Deals found on 13/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

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

Use this chart to determine the optimal time to book a return flight from Washington, D.C. to Mexico City. Price data was last updated on 13 March 2026.

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.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Mexico City (average of £144). Flying from Washington, D.C. to Mexico City in July is currently the most expensive (average of £330). 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 18 March 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 18 March 2026.

The most flights from WAS to MEX are scheduled on a Tuesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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

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 4 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 6h 23m. Delta provides one of the quickest options available for as low as £347. The distance between Washington, D.C. and Mexico City is about 1865 mi.

  • 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 (97%), Delta (97%), Aeromexico( 97%).

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Mexico City (average of £144). Flying from Washington, D.C. to Mexico City in July is currently the most expensive (average of £330). 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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