Title:  Flights from Chicago to London Heathrow (ORD to LHR) - Expedia.co.uk

#  Cheap Flights from Chicago (ORD) to London (LHR)

- [Return](?flightType=roundtrip)
- [One-way](?flightType=oneway)
- [Multi-city](?flightType=multicity)

### Travellers

Adults

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InfantsYounger than 2

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## Popular airlines from Chicago O'Hare International Airport (ORD) to Heathrow Airport (LHR)

- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EI.svg)  
Aer Lingus  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:ORD,to:LHR,departure:11/02/2026TANYT&leg2=from:LHR,to:ORD,departure:18/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EI"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_IB.svg)  
Iberia  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:ORD,to:LHR,departure:11/02/2026TANYT&leg2=from:LHR,to:ORD,departure:18/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AY.svg)  
Finnair  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:ORD,to:LHR,departure:11/02/2026TANYT&leg2=from:LHR,to:ORD,departure:18/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AY"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg)  
British Airways  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:ORD,to:LHR,departure:11/02/2026TANYT&leg2=from:LHR,to:ORD,departure:18/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VS.svg)  
Virgin Atlantic  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:ORD,to:LHR,departure:11/02/2026TANYT&leg2=from:LHR,to:ORD,departure:18/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SK.svg)  
SAS  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:ORD,to:LHR,departure:11/02/2026TANYT&leg2=from:LHR,to:ORD,departure:18/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SK"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LO.svg)  
LOT-Polish Airlines  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:ORD,to:LHR,departure:11/02/2026TANYT&leg2=from:LHR,to:ORD,departure:18/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LO"}}])

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## Find the cheapest month to fly from Chicago (ORD) to London (LHR)

### November is typically the cheapest month to fly

From £341 - £579 per traveller.

## Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

[](https://www.expedia.co.uk/Flights-Search?leg1=from:ORD,to:LGW,departure:11/02/2026TANYT&leg2=from:LGW,to:ORD,departure:15/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE)

LGW

Gatwick

52 min

[Flights from £566

](https://www.expedia.co.uk/Flights-Search?leg1=from:ORD,to:LGW,departure:11/02/2026TANYT&leg2=from:LGW,to:ORD,departure:15/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 

[](https://www.expedia.co.uk/Flights-Search?leg1=from:ORD,to:LCY,departure:11/02/2026TANYT&leg2=from:LCY,to:ORD,departure:23/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE)

LCY

London City

Closest

21 min

[Flights from £494

](https://www.expedia.co.uk/Flights-Search?leg1=from:ORD,to:LCY,departure:11/02/2026TANYT&leg2=from:LCY,to:ORD,departure:23/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 

## Frequently asked questions

### How much is a flight from O'Hare Intl. Airport (ORD) to London Heathrow?

### Do I need to pay a cancellation fee if I cancel my flight from O'Hare Intl. Airport (ORD) to Heathrow Airport?

### How do I find cheap flights from ORD to LHR that have flexible change policies?

### How far is the flight from ORD to London Heathrow?

### Which airlines fly direct from ORD to London Heathrow?

### Are O'Hare Airport to LHR flight tickets cheaper when they're purchased at the last minute?

\*Available to Expedia members.