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Cheap flights from Chicago O'Hare Intl Airport to Mexico City from £99

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MEX
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Mexico City Benito Juarez are usually found in February or January, booked 83 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from O'Hare Intl to Mexico City

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 5 November 2025.

Round-trip from

£224

One-way from

£99

Popular in

December

Cheapest in

February

Average price

£262
Delta
  • Delta
  • 11/1-20/1
  • Nonstop
  • 9h 01m total
  • Chicago to Mexico City
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United Airlines
  • United Airlines
  • 16/11
  • Nonstop
  • 4h 40m total
  • Chicago to Mexico City
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£29 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from O'Hare Intl to Mexico City

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Mexico City
Explore the most affordable flight options available from O'Hare Intl to Mexico City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2025.

Tue 18/1113:55ORD - MEX
1 stop8h 35mUnited Airlines
Sun 23/1114:40MEX - ORD
Nonstop4h 12mUnited Airlines
Deal found 3/11£232
Tue 18/1113:00ORD - MEX
1 stop9h 30mUnited Airlines
Tue 25/1114:40MEX - ORD
Nonstop4h 12mUnited Airlines
Deal found 2/11£236
Tue 18/1110:35ORD - MEX
1 stop6h 10mUnited Airlines
Fri 21/1117:45MEX - ORD
1 stop6h 30mUnited Airlines
Deal found 4/11£240
Wed 12/1108:55ORD - MEX
Nonstop4h 40mUnited Airlines
Mon 24/1114:40MEX - ORD
Nonstop4h 12mUnited Airlines
Deal found 2/11£248
Fri 14/1101:15ORD - MEX
Nonstop4h 15mViva
Sun 23/1119:30MEX - ORD
Nonstop4h 00mViva
Deal found 4/11£249
Wed 19/1113:55ORD - MEX
1 stop8h 35mUnited Airlines
Sun 23/1114:40MEX - ORD
Nonstop4h 12mUnited Airlines
Deal found 3/11£249
Wed 12/1108:50ORD - MEX
1 stop7h 55mUnited Airlines
Tue 25/1114:40MEX - ORD
Nonstop4h 12mUnited Airlines
Deal found 4/11£255
Wed 12/1108:55ORD - MEX
Nonstop4h 40mUnited Airlines
Sat 22/1115:20MEX - ORD
1 stop8h 55mUnited Airlines
Deal found 2/11£255
Mon 29/1201:15ORD - MEX
Nonstop4h 15mViva
Sat 2/505:45MEX - ORD
Nonstop4h 05mViva
Deal found 4/11£257
Wed 19/1113:55ORD - MEX
1 stop8h 35mUnited Airlines
Wed 26/1114:40MEX - ORD
Nonstop4h 12mUnited Airlines
Deal found 3/11£265
Tue 18/1110:35ORD - MEX
1 stop6h 10mUnited Airlines
Sat 22/1114:40MEX - ORD
Nonstop4h 20mUnited Airlines
Deal found 3/11£265

Cheapflights Fare Finder

 
Customise your flight search to find flights from O'Hare Intl 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 5 November 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Mexico City that are best for you.

Fly from

O'Hare Intl

Fly to

Mexico City

Route

Depart

Return

Price

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Tue 27/1

00:59-05:45

Nonstop4h 46m

Mexico City Benito Juarez

Sat 7/2

18:40-23:00

Nonstop4h 20m

£226

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Sun 8/2

15:21-20:20

Nonstop4h 59m

Mexico City Benito Juarez

Thu 19/2

08:25-12:40

Nonstop4h 15m

£230

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Fri 20/2

15:21-20:20

Nonstop4h 59m

Mexico City Benito Juarez

Tue 24/2

08:25-12:40

Nonstop4h 15m

£230

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Fri 9/1

15:53-00:10

1 stop8h 17m

Mexico City Benito Juarez

Fri 23/1

14:40-18:52

Nonstop4h 12m

£232

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Tue 18/11

07:10-16:45

1 stop9h 35m

Mexico City Benito Juarez

Mon 24/11

14:40-18:52

Nonstop4h 12m

£236

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Sat 28/2

00:49-05:35

Nonstop4h 46m

Mexico City Benito Juarez

Thu 12/3

18:40-23:59

Nonstop4h 19m

£236

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Sat 24/1

01:00-05:30

Nonstop4h 30m

Mexico City Benito Juarez

Tue 3/2

19:30-23:25

Nonstop3h 55m

£241

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Sun 16/11

08:55-13:35

Nonstop4h 40m

Mexico City Benito Juarez

Thu 20/11

14:40-18:52

Nonstop4h 12m

£248

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Sun 25/1

01:00-05:30

Nonstop4h 30m

Mexico City Benito Juarez

Sat 7/2

19:30-23:25

Nonstop3h 55m

£253

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Sat 31/1

15:21-20:20

Nonstop4h 59m

Mexico City Benito Juarez

Sat 7/2

18:40-23:00

Nonstop4h 20m

£267

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 22 results
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Best time to book a flight from O'Hare Intl to Mexico City

Have a flexible travel schedule? Discover the best time to fly to Mexico City from O'Hare Intl 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 Chicago O'Hare Intl Airport to Mexico City

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Mexico City?

Use this chart to determine the optimal time to book a return flight from O'Hare Intl to Mexico City. Price data was last updated on 31 October 2025.

The price you pay for your flight from Chicago O'Hare Intl Airport to Mexico City may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Mexico City?

Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Mexico City (average of £91). Flying from Chicago O'Hare Intl Airport to Mexico City in December is currently the most expensive (average of £135). 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 ORD to MEX?

Find hourly flight availability from O'Hare Intl 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 5 November 2025.

When flying from Chicago O'Hare Intl Airport to Mexico City, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 86% versus a flight at midday.

How much does it cost for a return flight from Chicago O'Hare Intl Airport to Mexico City?

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 Chicago O'Hare Intl?

    Located just 5.5 mi from the city center, Mexico City Benito Juarez is the airport most travelers will use when flying to Mexico City from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Benito Juarez (MEX) should be relatively easy as there are 13 daily inbound flights from Chicago O'Hare Intl from 0 different airlines.

  • How long is the flight from Chicago O'Hare Intl Airport to Mexico City?

    A quick flight from Chicago O'Hare Intl Airport to Mexico City can take about 4h 46m. Delta provides one of the quickest options available for as low as £224. Chicago O'Hare Intl Airport and Mexico City are separated by a distance of 1688 mi. All flights are typically direct.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Mexico City?

    Consider KLM (100%), WestJet (97%) or Aeromexico (96%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Mexico City.

  • Can I find deals for flights from O'Hare Intl to Mexico City that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Mexico City flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Mexico City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Mexico City.

  • Can I find deals for business class flights from O'Hare Intl to Mexico City?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 Chicago O'Hare Intl Airport to Mexico City?

    Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Mexico City (average of £91). Flying from Chicago O'Hare Intl Airport to Mexico City in December is currently the most expensive (average of £135). 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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