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Cheap flights from Mexico City to Chicago O'Hare Intl Airport from £121

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — ORD
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Mexico City to O'Hare Intl

Enter your travel dates to find the best prices.

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

Wed 3/1214:40MEX - ORD
Nonstop4h 12mUnited Airlines
Sat 6/1207:10ORD - MEX
1 stop15h 20mUnited Airlines
Deal found 3/12£181
Thu 4/1214:40MEX - ORD
Nonstop4h 12mUnited Airlines
Sun 7/1216:45ORD - MEX
1 stop17h 20mUnited Airlines
Deal found 3/12£182
Wed 17/1210:05MEX - ORD
1 stop11h 11mUnited Airlines
Wed 14/113:55ORD - MEX
1 stop8h 35mUnited Airlines
Deal found 3/12£191
Fri 19/1210:05MEX - ORD
1 stop11h 21mUnited Airlines
Thu 8/119:50ORD - MEX
1 stop14h 15mUnited Airlines
Deal found 4/12£192
Thu 25/1205:45MEX - ORD
1 stop18h 29mUnited Airlines
Tue 6/119:50ORD - MEX
1 stop14h 15mUnited Airlines
Deal found 3/12£196
Thu 18/1219:40MEX - ORD
Nonstop4h 15mDelta
Fri 9/106:30ORD - MEX
Nonstop4h 55mDelta
Deal found 3/12£226
Tue 16/1214:40MEX - ORD
Nonstop4h 12mUnited Airlines
Thu 8/121:05ORD - MEX
1 stop13h 00mUnited Airlines
Deal found 4/12£230
Tue 23/1212:25MEX - ORD
1 stop19h 22mUnited Airlines
Tue 30/1220:05ORD - MEX
1 stop14h 00mUnited Airlines
Deal found 4/12£231
Tue 23/1212:25MEX - ORD
1 stop10h 12mUnited Airlines
Sat 24/108:55ORD - MEX
Nonstop4h 40mUnited Airlines
Deal found 4/12£234
Wed 17/1222:45MEX - ORD
1 stop12h 04mDelta
Wed 14/115:16ORD - MEX
Nonstop4h 59mDelta
Deal found 3/12£235
Wed 17/1210:05MEX - ORD
1 stop11h 11mUnited Airlines
Sun 11/121:05ORD - MEX
1 stop13h 00mUnited Airlines
Deal found 4/12£238

Find flight deals from Mexico City to O'Hare Intl

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

Round-trip from

£177

One-way from

£123

Popular in

July

Cheapest in

February

Average price

£268
Delta
  • Delta
  • 21/1-3/2
  • Nonstop
  • 9h 06m total
  • Mexico City to Chicago
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United Airlines
  • United Airlines
  • 9/12
  • Nonstop
  • 4h 12m total
  • Mexico City to Chicago
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

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

Fly from

Mexico City

Fly to

O'Hare Intl

Route

Depart

Return

Price

Mexico CityChicago

MEX - ORD

MEXORD

Mexico City Benito Juarez

Tue 27/1

08:25-12:40

Nonstop4h 15m

Chicago O'Hare Intl

Tue 3/2

00:59-05:45

Nonstop4h 46m

£177

Mexico CityChicago

MEX - ORD

MEXORD

Mexico City Benito Juarez

Tue 13/1

12:25-21:26

1 stop9h 01m

Chicago O'Hare Intl

Tue 27/1

08:55-13:35

Nonstop4h 40m

£178

Mexico CityChicago

MEX - ORD

MEXORD

Mexico City Benito Juarez

Thu 22/1

14:40-18:52

Nonstop4h 12m

Chicago O'Hare Intl

Fri 30/1

05:40-16:45

1 stop11h 05m

£184

Mexico CityChicago

MEX - ORD

MEXORD

Mexico City Benito Juarez

Fri 19/12

10:05-22:37

1 stop12h 32m

Chicago O'Hare Intl

Wed 14/1

14:36-22:30

1 stop7h 54m

£192

Mexico CityChicago

MEX - ORD

MEXORD

Mexico City Benito Juarez

Tue 23/12

12:25-00:14

1 stop11h 49m

Chicago O'Hare Intl

Sun 11/1

21:05-10:05

1 stop13h 00m

£192

Mexico CityChicago

MEX - ORD

MEXORD

Mexico City Benito Juarez

Thu 25/12

05:45-21:26

1 stop15h 41m

Chicago O'Hare Intl

Wed 31/12

21:23-10:05

1 stop12h 42m

£192

Mexico CityChicago

MEX - ORD

MEXORD

Mexico City Benito Juarez

Wed 17/12

12:25-19:46

1 stop7h 21m

Chicago O'Hare Intl

Fri 9/1

05:40-16:45

1 stop11h 05m

£192

Mexico CityChicago

MEX - ORD

MEXORD

Mexico City Benito Juarez

Thu 29/1

14:40-18:52

Nonstop4h 12m

Chicago O'Hare Intl

Sat 31/1

08:55-13:35

Nonstop4h 40m

£193

Mexico CityChicago

MEX - ORD

MEXORD

Mexico City Benito Juarez

Thu 26/2

14:40-18:52

Nonstop4h 12m

Chicago O'Hare Intl

Sun 1/3

07:35-14:20

1 stop6h 45m

£193

Mexico CityChicago

MEX - ORD

MEXORD

Mexico City Benito Juarez

Thu 22/1

14:40-18:52

Nonstop4h 12m

Chicago O'Hare Intl

Sun 25/1

07:35-14:20

1 stop6h 45m

£193

Flights are sorted by cheapest return flights first.

Deals found on 5/12

Showing 1-10 of 17 results
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Best time to book a flight from Mexico City to O'Hare Intl

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

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

Use this chart to determine the optimal time to book a return flight from Mexico City to O'Hare Intl. Price data was last updated on 28 November 2025.

To ensure you get the cheapest price possible for a flight from Mexico City to Chicago O'Hare Intl Airport, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Mexico City to Chicago O'Hare Intl Airport (average of £68). Flying from Mexico City to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £133). 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 MEX to ORD?

Find hourly flight availability from Mexico City to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 December 2025.

When flying from Mexico City to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 84% versus a flight at midday.

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

Related info for your journey

Find useful and relevant information for your journey from Mexico City to O'Hare Intl. 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 from for flights from Mexico City to 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 Chicago O'Hare Intl from Mexico City. Booking flights from Benito Juarez (MEX) to Chicago O'Hare Intl should be relatively easy as there are 11 daily outbound flights to Chicago O'Hare Intl from 0 different airlines.

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

    For as low as £178, United Airlines can have you in Chicago O'Hare Intl Airport from Mexico City in 9h 01m. Airlines will cover a distance of 1688 mi.

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

    The top 3 most reliable airlines when flying from Mexico City to Chicago O'Hare Intl Airport are Air France (88%), WestJet (87%) and Delta (86%).

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Mexico City to Chicago O'Hare Intl Airport (average of £68). Flying from Mexico City to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £133). 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

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Downers Grove
Elk Grove Village

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Millions of users choose and trust Cheapflights to book the best flight deals from Mexico City to O'Hare Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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

Yes! Start tracking prices for Mexico City to O'Hare Intl 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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