In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

£354+ Iberia Flights from Heathrow to O'Hare Intl

Cheapflights users flying from London to Chicago on Iberia typically fly into Chicago O'Hare Intl and depart from London Heathrow. Select your dates above for pricing.

Iberia flights from Heathrow to O'Hare Intl in 2026

One-way from	£354
Return from	£505
Popular in	July
Cheapest in	September
Average price (all airlines)	£442

Iberia
20/4
1 total stop
14h 10m total
London to Chicago

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Iberia
19/3-26/3
2 total stops
48h 05m total
London to Chicago

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Highest demand for flights from London Heathrow to Chicago O'Hare Intl; 12% potential price increase.

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Best time to find cheap flights from London Heathrow to Chicago O'Hare Intl; 2% potential price drop.

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Average price for all London Heathrow to Chicago O'Hare Intl flights (one-way and round-trip).

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Can I get a flight from London Heathrow Airport to Chicago O'Hare Intl Airport on Iberia for under £442?
There are 9 flights available on Iberia from London Heathrow Airport to Chicago O'Hare Intl Airport for under £442. These prices can change based on many factors including date and time. To find LHR-ORD flight prices for your dates, click here.

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Cheapest Iberia flights from Heathrow to O'Hare Intl
Explore the most affordable Iberia flight options available from Heathrow to O'Hare Intl. Find the lowest fares with prices last updated on 18 February 2026.

Thu 19/316:30

LHR

ORD

1 stop30h 15m

Iberia

Thu 26/308:10

ORD

LHR

1 stop17h 50m

Iberia

Deal found 15/2£505

Thu 19/316:30

LHR

ORD

1 stop30h 15m

Iberia

Thu 2/411:53

ORD

LHR

1 stop14h 07m

Iberia

Deal found 18/2£555

Mon 2/314:10

LHR

ORD

Nonstop8h 50m

Iberia

Mon 16/321:35

ORD

LHR

Nonstop7h 50m

Iberia

Deal found 17/2£574

Airlines

Weekly Iberia flight availability from London Heathrow Airport to Chicago O'Hare Intl Airport

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

Best time to book a flight from Heathrow to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Heathrow with our price prediction graph.

LHR-ORD

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.

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Iberia flights from London Heathrow Airport to Chicago O'Hare Intl Airport (LHR - ORD)

Cheapflights users flying from London to Chicago on Iberia typically fly into Chicago O'Hare Intl and depart from London Heathrow. Select your dates above for pricing.

Iberia flights from Heathrow to O'Hare Intl in 2026

Find detailed information about Iberia flights from Heathrow to O'Hare Intl. Explore the options provided by Iberia to plan your journey from Heathrow to O'Hare Intl. Data last updated 18 February 2026.

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Can I get a flight from London Heathrow Airport to Chicago O'Hare Intl Airport on Iberia for under £442?

Find Iberia flight deals from Heathrow to O'Hare Intl

Cheapest Iberia flights from Heathrow to O'Hare IntlExplore the most affordable Iberia flight options available from Heathrow to O'Hare Intl. Find the lowest fares with prices last updated on 18 February 2026.

Explore the most affordable Iberia flight options available from Heathrow to O'Hare Intl. Find the lowest fares with prices last updated on 18 February 2026.

Best Iberia flights from Heathrow to O'Hare IntlDiscover carefully curated Iberia flight deals from Heathrow to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 February 2026.

Discover carefully curated Iberia flight deals from Heathrow to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 February 2026.

Direct Iberia flights from Heathrow to O'Hare IntlExplore direct Iberia flight options from Heathrow to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 February 2026.

Explore direct Iberia flight options from Heathrow to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 February 2026.

Last-minute Iberia flights from Heathrow to O'Hare IntlDiscover last-minute Iberia flight deals from Heathrow to O'Hare Intl. Data last updated 18 February 2026 and is based on user searches.

Discover last-minute Iberia flight deals from Heathrow to O'Hare Intl. Data last updated 18 February 2026 and is based on user searches.

One-way Iberia flights to O'Hare IntlSearch for one-way Iberia flight options to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 18 February 2026.

Search for one-way Iberia flight options to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 18 February 2026.

Weekly Iberia flight availability from London Heathrow Airport to Chicago O'Hare Intl Airport

Rainfall in O'Hare Intl by month

Temperature in O'Hare Intl by month

Best time to book a flight from Heathrow to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Heathrow with our price prediction graph.

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Other Iberia flights from Heathrow

Browse through other Iberia flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 18 February 2026.

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Complete your trip to O'Hare Intl by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing Heathrow and O'Hare Intl

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Other popular destinations in North America

If O'Hare Intl is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 18 February 2026.

Popular flights with Iberia

Browse through some of the most popular routes that Iberia offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 18 February 2026.

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Cheapest Iberia flights from Heathrow to O'Hare Intl
Explore the most affordable Iberia flight options available from Heathrow to O'Hare Intl. Find the lowest fares with prices last updated on 18 February 2026.

Best Iberia flights from Heathrow to O'Hare Intl
Discover carefully curated Iberia flight deals from Heathrow to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 February 2026.

Direct Iberia flights from Heathrow to O'Hare Intl
Explore direct Iberia flight options from Heathrow to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 February 2026.

Last-minute Iberia flights from Heathrow to O'Hare Intl
Discover last-minute Iberia flight deals from Heathrow to O'Hare Intl. Data last updated 18 February 2026 and is based on user searches.

One-way Iberia flights to O'Hare Intl
Search for one-way Iberia flight options to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 18 February 2026.