Insights
Latest deals
Reviews
FAQs

Cheap flights from Chicago O'Hare Intl Airport to London Heathrow Airport from $283

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to London Heathrow Airport departing on 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
From?
To?
อ. 4/2
อ. 4/9

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."

Cheap Chicago O'Hare Intl Airport to London Heathrow Airport (ORD to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to London Heathrow Airport

Best Price Found

$283

Fastest flight time

7h 40m

Direct flights

Mon, Wed, Thu, Fri and Sat
The best one-way flight to London Heathrow Airport from Chicago O'Hare Intl Airport in the past 72 hours is $283. The best round-trip flight deal from Chicago O'Hare Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is $496.
The fastest flight from Chicago O'Hare Intl Airport to London Heathrow Airport takes 7h 40m
Direct flights go from Chicago O'Hare Intl Airport to London Heathrow Airport on Monday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: United Airlines, Austrian Airlines and Lufthansa.

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Chicago O'Hare Intl Airport to London Heathrow Airport?

February. The cheapest time of year to fly to London Heathrow Airport from Chicago O'Hare Intl Airport is February. Most expensive is June

What is the cheapest day to depart Chicago O'Hare Intl Airport for London Heathrow Airport?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Saturday

When is the cheapest time to fly from Chicago O'Hare Intl Airport to London Heathrow Airport?

In the evening. Chicago O'Hare Intl Airport to London Heathrow Airport flights are approximately 9% more expensive in the morning than in the evening

What is the cheapest airline that flies to London Heathrow Airport from Chicago O'Hare Intl Airport?

Scandinavian Airlines. Air Canada, Iberia, and Icelandair are the most popular carriers operating from Chicago O'Hare Intl Airport to London Heathrow Airport

How far in advance should you book Chicago O'Hare Intl Airport to London Heathrow Airport flights?

2 days before. The cheapest time to buy a flight from Chicago O'Hare Intl Airport to London Heathrow Airport is approximately 2 days to departure

How many flights depart from Chicago O'Hare Intl Airport to London Heathrow Airport on average per day?

As of March 2024, 32 flights take off from Chicago O'Hare Intl Airport and land in London Heathrow Airport each day. The most common flight departure time for this route is 6:00PM, with 45% of daily flights taking off in the evening.

How many flights depart from Chicago O'Hare Intl Airport to London Heathrow Airport on average per week?

As of March 2024, 227 flights take off from Chicago O'Hare Intl Airport and land in London Heathrow Airport each week. The most common flight departure day for this route is Monday, with 16% of weekly flights taking off on this day.

What cabin class options are available on Chicago O'Hare Intl Airport to London Heathrow Airport flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl Airport to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to London Heathrow Airport flights?

You could potentially save up to 12% on your flight if you consider stops on a Chicago O'Hare Intl Airport to London Heathrow Airport flight.

If you are looking to fly from Chicago to London, you are most likely going to fly from Chicago O'Hare Intl Airport to London Heathrow Airport, the most popular airports on that route. The cheapest route from Chicago to London is ORD — LHR with an average price of $498 RT during the month of March.

Chicago O'Hare Intl Airport (ORD) to London Heathrow Airport (LHR)$498
Search

Easily compare round-trip flights from Chicago O'Hare Intl Airport to London Heathrow Airport

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago O'Hare Intl Airport to London Heathrow Airport by changing tabs
Scandinavian Airlines
Apr 8
ORD7:45 pmChicago O'Hare Intl
14h 15m
1 stop
LHR4:00 pmLondon Heathrow
Apr 23
LHR9:55 amLondon Heathrow
14h 00m
1 stop
ORD5:55 pmChicago O'Hare Intl
TAP AIR PORTUGAL
Apr 22
ORD6:00 pmChicago O'Hare Intl
12h 45m
1 stop
LHR12:45 pmLondon Heathrow
May 7
LHR7:50 pmLondon Heathrow
26h 20m
1 stop
ORD4:10 pmChicago O'Hare Intl
Finnair
Apr 18
ORD10:35 pmChicago O'Hare Intl
7h 40m
LHR12:15 pmLondon Heathrow
Apr 24
LHR10:05 amLondon Heathrow
8h 40m
ORD12:45 pmChicago O'Hare Intl
Icelandair
Sep 22
ORD7:30 pmChicago O'Hare Intl
10h 25m
1 stop
LHR11:55 amLondon Heathrow
Oct 9
LHR1:05 pmLondon Heathrow
11h 15m
1 stop
ORD6:20 pmChicago O'Hare Intl
Aer Lingus
Apr 21
ORD3:45 pmChicago O'Hare Intl
10h 15m
1 stop
LHR8:00 amLondon Heathrow
Apr 30
LHR1:25 pmLondon Heathrow
11h 40m
1 stop
ORD7:05 pmChicago O'Hare Intl
Austrian Airlines
Apr 21
ORD3:45 pmChicago O'Hare Intl
8h 10m
LHR5:55 amLondon Heathrow
Apr 30
LHR6:00 amLondon Heathrow
13h 20m
1 stop
ORD1:20 pmChicago O'Hare Intl

Find the cheapest one-way flights from Chicago O'Hare Intl Airport to London Heathrow Airport

If you're looking for one-way flights from Chicago O'Hare Intl Airport to London Heathrow Airport, view some of our deals below provided by Iberia, Icelandair and Scandinavian Airlines
Multiple Airlines
Apr 30
ORD11:11 amChicago O'Hare Intl
29h 14m
2 stops
LHR10:25 pmLondon Heathrow
Icelandair
Aug 7
ORD7:25 pmChicago O'Hare Intl
18h 55m
1 stop
LHR8:20 pmLondon Heathrow
Scandinavian Airlines
Apr 8
ORD7:45 pmChicago O'Hare Intl
17h 45m
1 stop
LHR7:30 pmLondon Heathrow

Search last-minute flights to London Heathrow Airport from Chicago O'Hare Intl Airport

Find and compare round-trip flight prices for your last-minute flight from Chicago O'Hare Intl Airport to London Heathrow Airport
Scandinavian Airlines
Apr 7
ORD7:45 pmChicago O'Hare Intl
14h 15m
1 stop
LHR4:00 pmLondon Heathrow
Apr 17
LHR9:55 amLondon Heathrow
14h 00m
1 stop
ORD5:55 pmChicago O'Hare Intl
TAP AIR PORTUGAL
Apr 7
ORD6:00 pmChicago O'Hare Intl
17h 45m
1 stop
LHR5:45 pmLondon Heathrow
Apr 11
LHR7:50 pmLondon Heathrow
26h 10m
1 stop
ORD4:00 pmChicago O'Hare Intl
Aer Lingus
Apr 2
ORD8:55 pmChicago O'Hare Intl
12h 00m
1 stop
LHR2:55 pmLondon Heathrow
Apr 10
LHR6:45 amLondon Heathrow
13h 15m
1 stop
ORD2:00 pmChicago O'Hare Intl
Multiple Airlines
Apr 7
ORD6:00 pmChicago O'Hare Intl
17h 45m
1 stop
LHR5:45 pmLondon Heathrow
Apr 11
LHR6:40 amLondon Heathrow
32h 38m
3 stops
ORD9:18 amChicago O'Hare Intl
JetBlue
Apr 4
ORD8:38 amChicago O'Hare Intl
15h 52m
1 stop
LHR6:30 amLondon Heathrow
Apr 9
LHR8:25 amLondon Heathrow
14h 49m
1 stop
ORD5:14 pmChicago O'Hare Intl
Turkish Airlines
Apr 2
ORD11:25 amChicago O'Hare Intl
22h 30m
1 stop
LHR3:55 pmLondon Heathrow
Apr 10
LHR10:15 pmLondon Heathrow
17h 25m
1 stop
ORD9:40 amChicago O'Hare Intl

Best airlines flying from Chicago O'Hare Intl Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $253Free CancellationRating
7.0
7,892 reviews
Search Lufthansa flights
Scandinavian AirlinesPriceFrom $412Free CancellationRating
7.4
1,426 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $488Free CancellationRating
7.1
2,204 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $503Free CancellationRating
7.1
1,407 reviews
Search Icelandair flights
Aer LingusPriceFrom $529Free CancellationRating
7.2
1,383 reviews
Search Aer Lingus flights
DeltaPriceFrom $562Free CancellationRating
8.0
11,402 reviews
Search Delta flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
11,481 reviews
Search United Airlines flights
Air CanadaPriceFrom $573Free CancellationRating
7.0
6,743 reviews
Search Air Canada flights
IberiaPriceFrom $586Free CancellationRating
7.1
2,810 reviews
Search Iberia flights
Austrian AirlinesPriceFrom $588Free CancellationRating
7.5
1,131 reviews
Search Austrian Airlines flights
  • SWISS Flights From Chicago O'Hare Intl Airport to London Heathrow Airport

    SWISS operates around 13 flights from Chicago O'Hare Intl Airport to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been $749, but momondo users have found SWISS deals from Chicago O'Hare Intl Airport to London Heathrow Airport from as low as $608 round-trip. SWISS has been scored 7.8/10 in 2,150 reviews.

  • Finnair Flights From Chicago O'Hare Intl Airport to London Heathrow Airport

    Another popular option for Chicago O'Hare Intl Airport to London Heathrow Airport flights is Finnair (7.7/10, 1,379 ratings). Finnair flies from Chicago O'Hare Intl Airport to London Heathrow Airport around 21 times per week, with deals starting from $605 round-trip and rising to an average price of around $862.


British Airways flights from Chicago O'Hare Intl Airport to London Heathrow Airport

Our best British Airways deals on Chicago O'Hare Intl Airport to London Heathrow Airport flight tickets
British Airways
Apr 23
ORD10:35 pmChicago O'Hare Intl
7h 40m
LHR12:15 pmLondon Heathrow
May 5
LHR8:10 amLondon Heathrow
8h 35m
ORD10:45 amChicago O'Hare Intl
British Airways
Aug 14
ORD7:10 pmChicago O'Hare Intl
7h 50m
LHR9:00 amLondon Heathrow
Aug 23
LHR11:05 amLondon Heathrow
8h 40m
ORD1:45 pmChicago O'Hare Intl
British Airways
Aug 14
ORD8:20 amChicago O'Hare Intl
7h 50m
LHR10:10 pmLondon Heathrow
Aug 21
LHR1:10 pmLondon Heathrow
8h 40m
ORD3:50 pmChicago O'Hare Intl

Delta flights from Chicago O'Hare Intl Airport to London Heathrow Airport

Our best Delta deals on Chicago O'Hare Intl Airport to London Heathrow Airport flight tickets
Delta
Apr 24
ORD3:25 pmChicago O'Hare Intl
13h 45m
1 stop
LHR11:10 amLondon Heathrow
May 3
LHR6:15 amLondon Heathrow
16h 20m
2 stops
ORD4:35 pmChicago O'Hare Intl
Delta
Apr 23
ORD2:15 pmChicago O'Hare Intl
10h 30m
1 stop
LHR6:45 amLondon Heathrow
Apr 30
LHR4:35 pmLondon Heathrow
12h 17m
1 stop
ORD10:52 pmChicago O'Hare Intl
Delta
Apr 14
ORD1:23 pmChicago O'Hare Intl
11h 22m
1 stop
LHR6:45 amLondon Heathrow
Apr 24
LHR8:40 amLondon Heathrow
12h 05m
1 stop
ORD2:45 pmChicago O'Hare Intl

  • How far is Chicago O'Hare Intl to London Heathrow by plane?

    London Heathrow is 3939.2 mi away from Chicago O'Hare Intl. By plane, this route typically takes 7h 40m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to London Heathrow Airport?

    Prices for flights from Chicago O'Hare Intl Airport to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to London Heathrow Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Alternative routes for Chicago O'Hare Intl Airport to London Heathrow Airport

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Chicago to London Heathrow Airport Flights
Fastest flight time7h 40m
Cheapest price$498
Chicago to London City Airport Flights
Fastest flight time10h 25m
Cheapest price$699
Chicago to London Gatwick Airport Flights
Fastest flight time10h 15m
Cheapest price$437
Chicago to London Luton Airport Flights
Fastest flight time11h 10m
Cheapest price$733
Chicago to London Southend Airport Flights
Fastest flight time14h 50m
Cheapest price$1,283
Chicago to London Stansted Airport Flights
Fastest flight time20h 30m
Cheapest price$759

Similar Chicago O'Hare Intl Airport to London Heathrow Airport flights

Flexible with your destination? Broaden your search and find flights similar to your Chicago O'Hare Intl Airport to London Heathrow Airport route

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to London?

It is quick and easy to find Chicago to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Chicago to London with flexible booking policies on momondo?

All flight searches from Chicago to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chicago to London?

momondo helps you find the best flight between Chicago and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? Create a price alert to track prices.

Find better results for your stay in London

Popular cities in the United Kingdom
Popular flights according to clicks in the last 7 days on momondo


Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
อ. 4/2
อ. 4/9
Email me momondo's favorite deals