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Cheap flights from Chicago O'Hare Intl Airport to Mexico City from £109

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MEX
17 Mar — 24 Mar1
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 September or April, booked 77 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap 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 15 February 2026.

Mon 30/302:05
ORD
-
MEX
Nonstop4h 25m
Multiple Airlines
Mon 6/400:40
MEX
-
ORD
1 stop19h 40m
Multiple Airlines
Deal found 14/2£218
Tue 11/823:20
ORD
-
MEX
1 stop19h 45m
Avianca
Sun 30/823:20
MEX
-
ORD
1 stop21h 00m
Avianca
Deal found 12/2£226
Tue 31/323:20
ORD
-
MEX
1 stop19h 45m
Avianca
Tue 7/404:55
MEX
-
ORD
1 stop15h 25m
Avianca
Deal found 14/2£240
Sun 3/502:00
ORD
-
MEX
Nonstop4h 35m
Delta
Mon 11/518:50
MEX
-
ORD
Nonstop4h 25m
Delta
Deal found 13/2£242
Wed 11/302:05
ORD
-
MEX
Nonstop4h 25m
Viva
Sun 15/319:30
MEX
-
ORD
Nonstop4h 05m
Viva
Deal found 12/2£242
Sat 18/401:20
ORD
-
MEX
Nonstop4h 25m
Viva
Tue 21/405:45
MEX
-
ORD
Nonstop4h 05m
Viva
Deal found 12/2£245
Sun 22/201:00
ORD
-
MEX
Nonstop4h 30m
Viva
Wed 25/219:30
MEX
-
ORD
Nonstop3h 55m
Viva
Deal found 13/2£247
Mon 23/222:20
ORD
-
MEX
1 stop24h 35m
Avianca
Wed 25/223:10
MEX
-
ORD
1 stop21h 10m
Avianca
Deal found 13/2£250
Wed 29/401:20
ORD
-
MEX
Nonstop4h 25m
Viva
Fri 8/505:45
MEX
-
ORD
Nonstop4h 05m
Viva
Deal found 11/2£252
Mon 30/302:05
ORD
-
MEX
Nonstop4h 25m
Viva
Tue 7/405:45
MEX
-
ORD
Nonstop4h 05m
Viva
Deal found 14/2£256
Wed 29/401:20
ORD
-
MEX
Nonstop4h 25m
Viva
Wed 6/505:45
MEX
-
ORD
Nonstop4h 05m
Viva
Deal found 11/2£258
Thu 9/401:20
ORD
-
MEX
Nonstop4h 25m
Viva
Wed 15/405:45
MEX
-
ORD
Nonstop4h 05m
Viva
Deal found 12/2£265

Find 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 15 February 2026.

Round-trip from

£218

One-way from

£109

Popular in

December

Cheapest in

September

Average price

£226
Avianca
  • Avianca
  • 30/3-6/4
  • 1 total stop
  • 24h 05m total
  • Chicago to Mexico City
Search Deals
Delta
  • Delta
  • 12/5
  • Nonstop
  • 4h 35m total
  • Chicago to Mexico City
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£33 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 15 February 2026.
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

Sun 3/5

02:00-05:35

Nonstop4h 35m

Mexico City Benito Juarez

Mon 11/5

18:50-00:15

Nonstop4h 25m

£242

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Sun 8/3

02:05-05:30

Nonstop4h 25m

Mexico City Benito Juarez

Thu 12/3

19:30-00:35

Nonstop4h 05m

£245

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Wed 1/4

08:51-15:40

1 stop7h 49m

Mexico City Benito Juarez

Wed 8/4

16:40-00:45

1 stop7h 05m

£252

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Sat 18/4

01:20-04:45

Nonstop4h 25m

Mexico City Benito Juarez

Mon 20/4

05:45-10:50

Nonstop4h 05m

£252

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Wed 29/4

01:20-04:45

Nonstop4h 25m

Mexico City Benito Juarez

Sat 9/5

05:45-10:50

Nonstop4h 05m

£252

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Wed 29/4

01:20-04:45

Nonstop4h 25m

Mexico City Benito Juarez

Tue 5/5

05:45-10:50

Nonstop4h 05m

£252

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Wed 29/4

01:20-04:45

Nonstop4h 25m

Mexico City Benito Juarez

Thu 7/5

05:45-10:50

Nonstop4h 05m

£258

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Thu 9/4

01:20-04:45

Nonstop4h 25m

Mexico City Benito Juarez

Wed 15/4

05:45-10:50

Nonstop4h 05m

£265

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Sat 18/4

01:20-04:45

Nonstop4h 25m

Mexico City Benito Juarez

Sat 25/4

05:45-10:50

Nonstop4h 05m

£271

ChicagoMexico City

ORD - MEX

ORDMEX

Chicago O'Hare Intl

Sat 7/3

15:00-19:40

Nonstop4h 40m

Mexico City Benito Juarez

Thu 12/3

18:50-00:13

Nonstop4h 23m

£275

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 19 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 13 February 2026.

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 77 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, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Mexico City (average of £87). Flying from Chicago O'Hare Intl Airport to Mexico City in December is currently the most expensive (average of £136). 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 15 February 2026.

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.

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 14 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 25m. Delta provides one of the quickest options available for as low as £252. Chicago O'Hare Intl Airport and Mexico City are separated by a distance of 1688 mi. This flight may include one or multiple stops.

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

    Consider KLM (87%), Delta (85%) or Aeromexico (85%) 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, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Mexico City (average of £87). Flying from Chicago O'Hare Intl Airport to Mexico City in December is currently the most expensive (average of £136). 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.

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Mexico City?

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Can Cheapflights find flights from O'Hare Intl to Mexico City with no change fees?

Yes! Cheapflights helps users easily find flights from O'Hare Intl to Mexico City with no change fees.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Mexico City become cheaper?

Yes! Start tracking prices for O'Hare Intl to Mexico City flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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