Cheap flights from Washington, D.C. to Mexico City from £196

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — MEX
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

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 24 October 2025.

Tue 18/1116:01IAD - MEX
Nonstop5h 09mDelta
Wed 26/1108:40MEX - IAD
Nonstop4h 22mDelta
Deal found 23/10£421
Wed 19/1112:11IAD - MEX
1 stop10h 29mDelta
Mon 24/1108:40MEX - IAD
Nonstop4h 22mDelta
Deal found 23/10£424
Thu 20/1116:01IAD - MEX
Nonstop5h 09mDelta
Mon 24/1108:40MEX - IAD
Nonstop4h 22mDelta
Deal found 23/10£427
Tue 25/1116:01IAD - MEX
Nonstop5h 09mDelta
Thu 4/1208:40MEX - IAD
Nonstop4h 22mDelta
Deal found 23/10£428
Mon 24/1116:01IAD - MEX
Nonstop5h 09mDelta
Wed 3/1208:40MEX - IAD
Nonstop4h 22mDelta
Deal found 23/10£431
Thu 20/1116:01IAD - MEX
Nonstop5h 09mDelta
Wed 3/1208:40MEX - IAD
Nonstop4h 22mDelta
Deal found 21/10£434
Thu 20/1116:01IAD - MEX
Nonstop5h 09mDelta
Tue 25/1108:40MEX - IAD
1 stop7h 24mDelta
Deal found 23/10£435
Wed 26/1116:01IAD - MEX
Nonstop5h 09mDelta
Tue 2/1216:35MEX - IAD
1 stop15h 36mDelta
Deal found 23/10£436
Sun 23/1122:10IAD - MEX
1 stop12h 55mUnited Airlines
Tue 2/1209:40MEX - IAD
Nonstop4h 10mUnited Airlines
Deal found 22/10£437
Tue 4/1110:11IAD - MEX
1 stop6h 19mDelta
Tue 11/1116:35MEX - IAD
1 stop6h 41mDelta
Deal found 23/10£439
Fri 5/1216:01IAD - MEX
Nonstop5h 09mDelta
Wed 17/1208:40MEX - IAD
Nonstop4h 22mDelta
Deal found 23/10£442

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 24 October 2025.

Round-trip from

£349

One-way from

£199

Popular in

December

Cheapest in

March

Average price

£441

Good one-way deal

£449 or less
Delta
  • Delta
  • 8/1-14/1
  • Nonstop
  • 9h 54m total
  • Washington, D.C. to Mexico City
Delta
  • Delta
  • 10/11
  • Nonstop
  • 5h 09m total
  • Washington, D.C. to Mexico City
Highest demand for flights based on searches. 7% potential increase in price (£26 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in October 2025
Price to beat on a one-way flight from Washington, D.C. (WAS) to Mexico City Benito Juarez.

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 24 October 2025.
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

Thu 15/1

12:30-22:00

1 stop10h 30m

Mexico City Benito Juarez

Mon 19/1

08:25-13:45

Nonstop4h 20m

£409

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Thu 4/12

16:01-20:10

Nonstop5h 09m

Mexico City Benito Juarez

Mon 8/12

08:40-14:02

Nonstop4h 22m

£421

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Tue 4/11

16:01-20:10

Nonstop5h 09m

Mexico City Benito Juarez

Tue 11/11

08:40-14:02

Nonstop4h 22m

£428

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Wed 3/12

16:01-20:10

Nonstop5h 09m

Mexico City Benito Juarez

Tue 9/12

16:35-00:12

1 stop6h 37m

£428

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Tue 25/11

07:01-15:15

1 stop9h 14m

Mexico City Benito Juarez

Tue 2/12

08:40-14:02

Nonstop4h 22m

£431

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Wed 12/11

10:05-20:45

1 stop11h 40m

Mexico City Benito Juarez

Mon 17/11

08:40-14:02

Nonstop4h 22m

£431

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Thu 5/3

12:30-19:30

1 stop8h 00m

Mexico City Benito Juarez

Thu 12/3

08:25-14:45

Nonstop4h 20m

£431

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Wed 18/2

15:15-19:50

Nonstop5h 35m

Mexico City Benito Juarez

Tue 24/2

08:25-13:45

Nonstop4h 20m

£434

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Tue 17/2

15:15-19:50

Nonstop5h 35m

Mexico City Benito Juarez

Tue 24/2

08:25-13:45

Nonstop4h 20m

£434

Washington, D.C.Mexico City

IAD - MEX

IADMEX

Washington, D.C. Dulles Intl

Thu 27/11

16:01-20:10

Nonstop5h 09m

Mexico City Benito Juarez

Wed 3/12

14:05-21:29

1 stop6h 24m

£436

Flights are sorted by cheapest return flights first.

Deals found on 24/10

Showing 1-10 of 20 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 17 October 2025.

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.

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

Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Mexico City (average of £172). Flying from Washington, D.C. to Mexico City in October is currently the most expensive (average of £317). 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 24 October 2025.

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.

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 1 inbound flight 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 09m. Delta provides one of the quickest options available for as low as £421. 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: United Airlines (97%), KLM (87%), Delta( 87%).

  • What are the cheapest flights from Washington, D.C. to Mexico City?

    Looking at all options, your cheapest flight can be booked for £449. While the most popular route (Washington, D.C. Dulles Intl - Mexico City Benito Juarez) can be booked for £808 on average, our data indicates £449 when flying from Washington, D.C. to Mexico City.

  • 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, June is the cheapest month in which you can book a flight from Washington, D.C. to Mexico City (average of £172). Flying from Washington, D.C. to Mexico City in October is currently the most expensive (average of £317). 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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