Cheap flights from Chicago O'Hare to London

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.

Info about flights from Chicago O'Hare to London

Some useful info about flights from Chicago O'Hare to London to help you plan your next trip

Average flight duration 7h 43m
Cheapest month March
Average number of flights per week 5
First flight time 05:00
Last flight time 22:45
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

How much is a ticket from Chicago O'Hare to London?

Depending on when you travel and how far in advance you book, fares between Chicago and London can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Which departure and arrival airports are available?

Between Chicago and London, flight options may depend on the combination of airports available.

  • Airports in Chicago: Chicago is connected by 3 airports - Midway, O'Hare, Rockford.
  • Airports in London: London is served by 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Flights from Chicago - O'Hare to London

Compare flights from Chicago O'Hare to London with advanced filters

Find your ideal flight using Jetcost. Select whether you want nonstop or connecting flights, round-trip or one-way, and filter by airline, price, or booking site.

Other popular destinations

Looking for alternatives in United Kingdom? Travelers also liked: Edinburgh, Glasgow, London, Manchester, Newquay.

If you have a preferred time to leave or arrive, filters can help you show only the matching flights. You can also filter by your favorite airline and see only those deals.
Frequently Asked Questions

Frequently asked questions about flights from Chicago O'Hare to London.

How much does an airline ticket from Chicago O'Hare to London cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Chicago O'Hare to London.

How far is Chicago from London?

Chicago is about 3953 mi from London.

What are the airports in London?

London has 6 airports: City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

What are the airports in Chicago?

Chicago has 3 airports: Midway, O'Hare, Rockford.

What are the most popular cities in United Kingdom?

The most popular cities in United Kingdom according to our users' searches are: Edinburgh, Glasgow, London, Manchester, Newquay.

When should I book a flight from Chicago to London?

The best time to book a flight from Chicago to London is 1 month in advance, while the worst time is 11 weeks in advance.

What is the cheapest month to fly from Chicago to London?

The cheapest month to fly from Chicago to London is March.

What is the most expensive month to fly from Chicago to London?

The most expensive month to fly from Chicago to London is December.

What is the best day of the week to fly from Chicago to London?

This information is not available at the moment.