ORD - LHR

C$ 184 Find Cheap Flights from Chicago to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Heathrow departing on 15/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
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Search hundreds of travel sites at once for deals on flights to London

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to London, as well as popular online travel agencies
In the last 7 days, travellers have searched 41,299,237 times on KAYAK, and here is why:

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Cheap Flight Deals from Chicago to London (ORD-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Chicago to Heathrow

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Chicago to Heathrow.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
7:40 p.m. - 4:00 p.m.ORD-LHR
14h 20m1 stop
6:40 a.m. - 6:50 p.m.LHR-ORD
17h 10m1 stop
C$ 588Scandinavian Airlines
Find Deal
Fri, 7 Mar - Mon, 10 Mar
7:40 p.m. - 6:30 p.m.ORD-LHR
16h 50m2 stops
6:40 a.m. - 6:50 p.m.LHR-ORD
17h 10m1 stop
C$ 592Scandinavian Airlines
Find Deal
Fri, 7 Mar - Mon, 10 Mar
5:05 p.m. - 9:30 a.m.ORD-LHR
10h 25m1 stop
7:25 a.m. - 3:43 p.m.LHR-ORD
14h 18m1 stop
C$ 611JetBlue
Find Deal
Mon, 3 Feb - Mon, 10 Feb
5:05 p.m. - 9:30 a.m.ORD-LHR
10h 25m1 stop
8:25 a.m. - 5:55 p.m.LHR-ORD
15h 30m1 stop
C$ 623JetBlue
Find Deal
Mon, 27 Jan - Sat, 1 Feb
5:50 p.m. - 7:55 a.m.ORD-LHR
8h 05mdirect
8:55 a.m. - 4:15 p.m.LHR-ORD
13h 20m1 stop
C$ 861United Airlines
Find Deal
Sun, 9 Feb - Thu, 20 Feb
8:35 p.m. - 10:30 a.m.ORD-LHR
7h 55mdirect
9:30 a.m. - 5:50 p.m.LHR-ORD
14h 20m1 stop
C$ 862Finnair
Find Deal
Wed, 23 Apr - Wed, 30 Apr
4:27 p.m. - 8:35 a.m.ORD-LHR
11h 08m1 stop
10:20 a.m. - 5:50 p.m.LHR-ORD
13h 30m1 stop
C$ 869Finnair
Find Deal
Sun, 23 Mar - Tue, 1 Apr
7:15 p.m. - 3:30 p.m.ORD-LHR
14h 15m1 stop
6:00 a.m. - 3:30 p.m.LHR-ORD
15h 30m1 stop
C$ 885TAP AIR PORTUGAL
Find Deal
Wed, 12 Feb - Wed, 19 Feb
8:25 p.m. - 5:30 p.m.ORD-LHR
15h 05m1 stop
6:30 p.m. - 3:30 p.m.LHR-ORD
27h 00m1 stop
C$ 908TAP AIR PORTUGAL
Find Deal
Sun, 19 Jan - Tue, 28 Jan
10:10 p.m. - 11:15 a.m.ORD-LHR
8h 05mdirect
12:10 p.m. - 12:10 p.m.LHR-ORD
30h 00m1 stop
C$ 922United Airlines
Find Deal
Wed, 26 Mar - Mon, 31 Mar

Flights from Chicago to Heathrow - Travel Insights & Trends

Get data-powered insights and trends into flights from Chicago to Heathrow to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago O'Hare Intl Airport to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Chicago O'Hare Intl Airport to London Heathrow Airport is February, where tickets cost C$ 941 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is C$ 1,612 and C$ 1,427 respectively.

Can I save money by flying with a layover from Chicago O'Hare Intl Airport to London Heathrow Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.
Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at C$ 677 on average.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to London Heathrow Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago O'Hare Intl Airport to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Chicago O'Hare Intl Airport to London Heathrow Airport, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 3 weeks before departure.

Good to know

Low season

February

High season

October

Cheapest flight

C$ 184
Best time to beat the crowds (17% less expensive on average)
Most popular time to fly and prices are also 17% lower on average.
Flight from Chicago to London

When to book flights from Chicago to Heathrow

Are your dates flexible? Find out the best times to travel from Chicago to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago to London flights

  • Can I get a nonstop flight from Chicago (ORD) to Heathrow (LHR)?

    Yes. British Airways, Finnair, and American Airlines operate several nonstop flights between ORD and LHR per day. Generally, flights tend to depart either around 8 am or around 5 pm. KLM Royal Dutch Airlines, Delta, United, American, and Air Canada operate flights with two stops, with layovers in many cities, including Montreal (YUL), Detroit (DTW), Minneapolis (MSP), and Dublin (DUB).

  • How do I get from LHR to London city center on public transportation?

    To get to London from the airport, go to terminals 1, 2, or 3’s train station. From there, you can catch a train to Paddington Station in London, a primary London station where you can catch other trains, the subway, buses, or taxis. You can also catch a bus from Heathrow’s Central Bus Station. At Heathrow, terminals 2 and 3 have subway stations that can get you to the city center of London. Shuttles and taxis are options as well, but more expensive than a train, the subway, or a bus.

  • If I have an early flight from ORD, are there hotels near or in the airport where I could stay the night before I fly?

    The luxurious Hilton Chicago O’Hare Airport is a hotel that is actually inside ORD, in Terminal 2. Along with their various king-size room offerings, this hotel has allergy-free rooms, accessible rooms, business doubles with two double beds, and family suites. For a surcharge, the hotel offers public internet access. This pet-friendly hotel has a business center, a fitness center, and an outdoor pool.

  • Does ORD offer any designated lactation areas for nursing moms who might want some privacy and cleanliness?

    Yes. ORD provides 14 different areas where nursing mothers can breastfeed or pump in hygienic privacy. ORD has 6 Mothers Rooms, clean quiet rooms that have comfortable seating and a sink. There is one Mothers Room in Terminal 1, 2, and 5 each. There are two Mothers Rooms in Terminal 3 and in the Multi-Modal Facility, a combination of a parking garage and the rental car center. ORD also offers Mamava pods, free-standing 4 X 8 cabins that give nursing moms some sanitized privacy. There are two pods in terminals 1 and 2, and four pods in Terminal 3.

  • What is the cheapest flight from Chicago O'Hare Intl Airport to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to London Heathrow Airport was C$ 128 for a one-way ticket and C$ 409 for a round-trip.

  • Which airlines offer Wi-Fi service onboard planes from Chicago to London?

    All the following airlines offer inflight Wi-Fi service on the Chicago to London flight route: Iberia, British Airways, Finnair, American Airlines, Alaska Airlines, Lufthansa, and United Airlines.

  • Which aircraft models fly most regularly from Chicago to London?

    The Boeing 787-9 Dreamliner is the aircraft model that flies most regularly on the Chicago to London flight route.

  • Which airline alliances offer flights from Chicago to London?

    oneworld, and Star Alliance are the airline alliances operating flights between Chicago and London, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Chicago to London?

    There are direct flights from Chicago to London on a daily basis.

  • How does KAYAK find such low prices on flights from Chicago to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Chicago is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Chicago with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Chicago O'Hare Intl Airport to London Heathrow Airport

  • Chicago O’Hare International Airport (ORD) is a hub for United Airlines and American Airlines. London Heathrow (LHR) is a hub for British Airways.
  • In Terminal 2, just past the security checkpoint, ORD provides a Family Lounge to make waiting for a plane easier for those traveling with kids. This vibrant, colorful space provides seating, places to park strollers, and outlets to charge your devices. Sometimes, especially during the holidays, they might even have live entertainment, including artists who will draw your picture and musicians.
  • You can use Travelex to exchange currency at Heathrow. Order online before you leave and collect your money at a Travelex location in Heathrow, either post-security in Terminal 5 or pre-security in Terminal 2.
  • ORD features bathrooms that are designated all-gender, and these restrooms can be found throughout the airport in all terminals and in the Multi-Modal Facility.
  • If you have time to grab a bite to eat before you depart from ORD, you could eat at a restaurant where you can watch the planes land and take off: the food court and Berghoff Café in Terminal 1 and Chili’s Too in Terminal 3.
See more tips

Prefer to fly direct from Chicago to London?

Find which airlines fly direct from Chicago O'Hare Intl Airport to London Heathrow Airport, which days they fly and book direct flights.

Direct departures

Chicago O'Hare Intl to London Heathrow

Monday

Aer Lingus,Air Canada,Alaska Airlines, +13 more

Aer Lingus,Air Canada, +14 more

Tuesday

Aer Lingus,Air Canada,Alaska Airlines, +13 more

Aer Lingus,Air Canada, +14 more

Wednesday

Aer Lingus,Air Canada,Alaska Airlines, +13 more

Aer Lingus,Air Canada, +14 more

Thursday

Aer Lingus,Air Canada,Alaska Airlines, +13 more

Aer Lingus,Air Canada, +14 more

Friday

Aer Lingus,Air Canada,Alaska Airlines, +13 more

Aer Lingus,Air Canada, +14 more

Saturday

Aer Lingus,Air Canada,Alaska Airlines, +13 more

Aer Lingus,Air Canada, +14 more

Sunday

Aer Lingus,Air Canada,Alaska Airlines, +13 more

Aer Lingus,Air Canada, +14 more

See more nonstop flights

Direct returns

London Heathrow to Chicago O'Hare Intl

Monday

Aer Lingus,Air Canada,Alaska Airlines, +12 more

Aer Lingus,Air Canada, +13 more

Tuesday

Aer Lingus,Air Canada,Alaska Airlines, +12 more

Aer Lingus,Air Canada, +13 more

Wednesday

Aer Lingus,Air Canada,Alaska Airlines, +12 more

Aer Lingus,Air Canada, +13 more

Thursday

Aer Lingus,Air Canada,Alaska Airlines, +12 more

Aer Lingus,Air Canada, +13 more

Friday

Aer Lingus,Air Canada,Alaska Airlines, +12 more

Aer Lingus,Air Canada, +13 more

Saturday

Aer Lingus,Air Canada,Alaska Airlines, +12 more

Aer Lingus,Air Canada, +13 more

Sunday

Aer Lingus,Air Canada,Alaska Airlines, +12 more

Aer Lingus,Air Canada, +13 more

See more nonstop flights
See more nonstop flights

Book cheap flights from Chicago to London

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Chicago to London found on KAYAK in the last 72 hours.
15/1Wed
1 stopJetBlue
14h 50mORD-LHR
C$ 184
7/2Fri
1 stopJetBlue
14h 50mORD-LHR
C$ 198
20/2Thu
1 stopWestJet
14h 05mORD-LHR
C$ 328
28/1Tue
1 stopIcelandair
10h 20mORD-LHR
C$ 397
5/2Wed
2 stops
38h 23mORD-LHR
C$ 424
1/2Sat
1 stopIcelandair
10h 20mORD-LHR
C$ 468
20/2Thu
3 stops
34h 55mORD-LHR
C$ 504
31/5Sat
1 stopWestJet
36h 35mORD-LHR
C$ 530
9/4Wed
1 stopTAP AIR PORTUGAL
15h 35mORD-LHR
C$ 533
3/7Thu
1 stopTAP AIR PORTUGAL
17h 45mORD-LHR
C$ 668

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Last minute flights from Chicago to Heathrow

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Chicago to London that are departing in the next 10 days.
8/1Wed
directFinnair
7h 40mORD-LHR
2/5Fri
multi-stopFinnair
13h 30mLHR-ORD
C$ 908
8/1Wed
multi-stop
11h 29mORD-LHR
13/1Mon
multi-stop
27h 35mLHR-ORD
C$ 932
8/1Wed
directUnited Airlines
8h 05mORD-LHR
16/1Thu
multi-stopUnited Airlines
13h 20mLHR-ORD
C$ 935
7/1Tue
multi-stopUnited Airlines
20h 30mORD-LHR
14/1Tue
multi-stopUnited Airlines
30h 40mLHR-ORD
C$ 938
7/1Tue
multi-stopVirgin Atlantic
12h 42mORD-LHR
14/1Tue
multi-stopVirgin Atlantic
24h 05mLHR-ORD
C$ 947
8/1Wed
multi-stopDelta
13h 15mORD-LHR
16/1Thu
multi-stopDelta
15h 08mLHR-ORD
C$ 961
8/1Wed
multi-stopDelta
18h 35mORD-LHR
21/5Wed
multi-stopDelta
16h 32mLHR-ORD
C$ 971
10/1Fri
multi-stopVirgin Atlantic
14h 25mORD-LHR
12/1Sun
multi-stopVirgin Atlantic
12h 20mLHR-ORD
C$ 990
9/1Thu
multi-stopScandinavian Airlines
20h 10mORD-LHR
18/1Sat
multi-stopScandinavian Airlines
15h 10mLHR-ORD
C$ 1,014
11/1Sat
multi-stopScandinavian Airlines
14h 50mORD-LHR
14/1Tue
multi-stopScandinavian Airlines
20h 48mLHR-ORD
C$ 1,024

Search by stops

Search by airline

Search by price

Everything you need to know for your flight from Chicago to Heathrow

Information on your arrival and departure airports

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