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Cheap flights from Washington, D.C. to Mexico City from £186

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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — MEX
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 January 2026.

Round-trip from

£327

One-way from

£186

Popular in

December

Cheapest in

March

Average price

£412
Frontier
  • Frontier
  • 23/2-25/2
  • 2 total stops
  • 34h 25m total
  • Washington, D.C. to Mexico City
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United Airlines
  • United Airlines
  • 23/1
  • Nonstop
  • 5h 10m total
  • Washington, D.C. to Mexico City
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£21 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Find 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 16 January 2026.

Mon 23/210:20
IAD
-
MEX
1 stop13h 10m
Frontier
Wed 25/211:10
MEX
-
IAD
1 stop21h 15m
Frontier
Deal found 14/1£327
Sat 28/212:35
IAD
-
MEX
1 stop9h 15m
Aeromexico
Sat 7/308:05
MEX
-
IAD
2 stops15h 16m
Aeromexico
Deal found 14/1£329
Mon 23/211:41
IAD
-
MEX
2 stops11h 19m
Multiple Airlines
Wed 25/216:50
MEX
-
IAD
1 stop7h 50m
Multiple Airlines
Deal found 14/1£333
Sat 28/213:07
IAD
-
MEX
2 stops27h 33m
Multiple Airlines
Sat 7/320:45
MEX
-
IAD
3 stops26h 00m
Multiple Airlines
Deal found 14/1£361
Sat 14/217:40
IAD
-
MEX
Nonstop5h 10m
United Airlines
Thu 19/209:40
MEX
-
IAD
Nonstop4h 10m
United Airlines
Deal found 14/1£368
Thu 5/312:24
IAD
-
MEX
1 stop10h 36m
Delta
Mon 9/308:30
MEX
-
IAD
Nonstop4h 20m
Delta
Deal found 14/1£372
Mon 27/419:40
IAD
-
MEX
2 stops14h 40m
Delta
Sun 3/508:40
MEX
-
IAD
Nonstop4h 37m
Delta
Deal found 15/1£375
Fri 13/317:40
IAD
-
MEX
Nonstop5h 10m
United Airlines
Mon 16/311:25
MEX
-
IAD
1 stop9h 11m
United Airlines
Deal found 14/1£376

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 16 January 2026.
Use the filters below to find and compare flights from Washington, D.C. to Mexico City that are best for you.

Fly from

Washington, D.C.

Fly to

Mexico City

Route

Depart

Return

Price

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Fri 13/3

17:40-20:50

Nonstop5h 10m

Mexico City Benito Juarez

Fri 20/3

08:40-14:50

Nonstop4h 10m

£368

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Fri 17/4

17:09-20:00

Nonstop4h 51m

Mexico City Benito Juarez

Wed 22/4

08:40-15:17

Nonstop4h 37m

£368

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Sat 14/2

17:40-21:50

Nonstop5h 10m

Mexico City Benito Juarez

Thu 19/2

09:40-14:50

Nonstop4h 10m

£368

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Thu 5/3

17:40-21:50

Nonstop5h 10m

Mexico City Benito Juarez

Tue 10/3

08:40-14:50

Nonstop4h 10m

£368

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Sat 14/2

17:40-21:50

Nonstop5h 10m

Mexico City Benito Juarez

Thu 12/3

08:40-14:50

Nonstop4h 10m

£368

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Fri 13/3

06:00-15:45

1 stop11h 45m

Mexico City Benito Juarez

Tue 17/3

08:40-14:50

Nonstop4h 10m

£372

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Thu 7/5

06:00-10:45

1 stop6h 45m

Mexico City Benito Juarez

Mon 11/5

08:45-15:11

Nonstop4h 26m

£372

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Fri 13/3

17:40-20:50

Nonstop5h 10m

Mexico City Benito Juarez

Sat 21/3

09:05-22:36

1 stop11h 31m

£376

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Sat 7/3

17:40-21:50

Nonstop5h 10m

Mexico City Benito Juarez

Mon 16/3

09:05-22:36

1 stop11h 31m

£376

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Wed 18/3

17:40-20:50

Nonstop5h 10m

Mexico City Benito Juarez

Mon 23/3

08:40-14:50

Nonstop4h 10m

£400

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Showing 1-10 of 16 results
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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 9 January 2026.

Booking 76 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 £136). Flying from Washington, D.C. to Mexico City in October is currently the most expensive (average of £309). 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 16 January 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 16 January 2026.

The most flights from WAS to MEX are scheduled on a Monday (4 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).

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 10m. United Airlines provides one of the quickest options available for as low as £368. 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: Scandinavian Airlines (100%), United Airlines (93%), Delta( 90%).

  • 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 £136). Flying from Washington, D.C. to Mexico City in October is currently the most expensive (average of £309). 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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