Find flight deals from Chicago to Heathrow

Cheapest flights from Chicago to Heathrow
Explore the most affordable flight options available from Chicago to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Thu 28/819:15ORD - LHR

1 stop17h 15mScandinavian Airlines

Tue 2/915:35LHR - ORD

2 stops54h 35mScandinavian Airlines

Deal found 29/4£457

Wed 30/422:20ORD - LHR

Nonstop7h 55mIberia

Tue 6/513:30LHR - ORD

1 stop13h 03mIberia

Deal found 29/4£458

Wed 1/1020:40ORD - LHR

Nonstop7h 50mIberia

Wed 15/1009:15LHR - ORD

Nonstop8h 35mIberia

Deal found 29/4£459

Wed 24/919:59ORD - LHR

1 stop11h 11mDelta

Fri 17/1009:40LHR - ORD

1 stop14h 05mDelta

Deal found 29/4£459

Sun 24/818:15MDW - LHR

1 stop10h 55mDelta

Wed 10/911:20LHR - MDW

1 stop12h 38mDelta

Deal found 29/4£459

Fri 3/1019:25ORD - LHR

1 stop10h 30mIcelandair

Mon 13/1021:25LHR - ORD

1 stop26h 50mIcelandair

Deal found 29/4£460

Wed 30/413:50ORD - LHR

1 stop13h 00mDelta

Wed 7/509:20LHR - ORD

1 stop15h 30mDelta

Deal found 29/4£461

Tue 16/919:15ORD - LHR

2 stops17h 35mScandinavian Airlines

Fri 26/913:55LHR - ORD

2 stops32h 15mScandinavian Airlines

Deal found 29/4£462

Wed 3/916:55ORD - LHR

Nonstop7h 55mAmerican Airlines

Mon 8/907:40LHR - ORD

1 stop14h 05mAmerican Airlines

Deal found 29/4£462

Sun 4/515:45ORD - LHR

1 stop10h 15mAer Lingus

Tue 13/508:50LHR - ORD

1 stop11h 10mAer Lingus

Deal found 29/4£463

Thu 11/919:15ORD - LHR

1 stop14h 45mScandinavian Airlines

Tue 16/910:20LHR - ORD

1 stop11h 50mScandinavian Airlines

Deal found 29/4£464

Tue 13/513:30ORD - LHR

1 stop11h 45mDelta

Fri 30/509:00LHR - ORD

1 stop12h 00mDelta

Deal found 29/4£465

Best flights from Chicago to Heathrow
Discover carefully curated flight deals from Chicago to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Tue 13/514:55ORD - LHR

1 stop11h 10mIberia

Tue 20/511:35LHR - ORD

1 stop11h 59mIberia

Deal found 29/4£459

Tue 26/813:05MDW - LHR

1 stop12h 10mDelta

Thu 4/909:20LHR - MDW

1 stop14h 06mDelta

Deal found 29/4£459

Sun 4/515:45ORD - LHR

1 stop10h 15mAer Lingus

Tue 13/508:50LHR - ORD

1 stop11h 10mAer Lingus

Deal found 29/4£463

Wed 7/522:15ORD - LHR

1 stop16h 05mIcelandair

Wed 14/513:05LHR - ORD

1 stop11h 10mIcelandair

Deal found 29/4£468

Tue 6/522:25ORD - LHR

Nonstop7h 50mFinnair

Wed 21/510:20LHR - ORD

1 stop13h 30mFinnair

Deal found 29/4£472

Tue 6/510:40ORD - LHR

1 stop17h 20mMultiple Airlines

Mon 12/517:10LHR - ORD

1 stop25h 00mMultiple Airlines

Deal found 29/4£482

Tue 13/516:05ORD - LHR

Nonstop8h 15mUnited Airlines

Mon 18/808:40LHR - ORD

1 stop33h 30mUnited Airlines

Deal found 29/4£494

Mon 5/509:35ORD - LHR

1 stop20h 15mAir Canada

Wed 14/508:40LHR - ORD

2 stops17h 32mAir Canada

Deal found 29/4£500

Tue 6/517:05ORD - LHR

1 stop9h 50mKLM

Tue 13/506:30LHR - ORD

1 stop13h 40mKLM

Deal found 29/4£501

Mon 12/517:40ORD - LHR

Nonstop7h 40mAmerican Airlines

Fri 6/607:40LHR - ORD

1 stop14h 05mAmerican Airlines

Deal found 29/4£511

Wed 20/815:40MDW - LHR

1 stop13h 30mVirgin Atlantic

Tue 26/806:15LHR - MDW

2 stops18h 13mVirgin Atlantic

Deal found 29/4£512

Sat 10/510:50ORD - LHR

1 stop13h 40mJetBlue

Tue 13/508:15LHR - ORD

1 stop19h 39mJetBlue

Deal found 29/4£518

Direct flights from Chicago to Heathrow
Explore direct flight options from Chicago to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 April 2025.

Wed 14/520:30ORD - LHR

Nonstop8h 00mIberia

Thu 22/514:25LHR - ORD

Nonstop8h 35mIberia

Deal found 29/4£467

Tue 13/520:30ORD - LHR

Nonstop8h 00mIberia

Wed 21/509:15LHR - ORD

Nonstop8h 30mIberia

Deal found 29/4£470

Sun 4/520:20ORD - LHR

Nonstop8h 10mFinnair

Tue 20/509:15LHR - ORD

Nonstop8h 30mFinnair

Deal found 29/4£477

Sun 4/520:20ORD - LHR

Nonstop8h 10mFinnair

Tue 13/514:25LHR - ORD

Nonstop8h 35mFinnair

Deal found 29/4£477

Sun 4/521:15ORD - LHR

Nonstop7h 45mIberia

Tue 13/511:05LHR - ORD

Nonstop8h 45mIberia

Deal found 29/4£479

Mon 12/517:40ORD - LHR

Nonstop7h 40mFinnair

Wed 21/509:15LHR - ORD

Nonstop8h 30mFinnair

Deal found 29/4£480

Tue 15/716:55ORD - LHR

Nonstop7h 55mIberia

Wed 10/912:15LHR - ORD

Nonstop8h 35mIberia

Deal found 29/4£480

Tue 6/520:30ORD - LHR

Nonstop8h 00mFinnair

Tue 13/509:15LHR - ORD

Nonstop8h 30mFinnair

Deal found 29/4£482

Tue 13/516:05ORD - LHR

Nonstop8h 15mLufthansa

Wed 21/511:05LHR - ORD

Nonstop9h 05mLufthansa

Deal found 29/4£485

Tue 13/520:30ORD - LHR

Nonstop8h 00mIberia

Fri 30/509:15LHR - ORD

Nonstop8h 30mIberia

Deal found 29/4£486

Wed 7/522:25ORD - LHR

Nonstop7h 50mIberia

Sun 11/509:15LHR - ORD

Nonstop8h 30mIberia

Deal found 29/4£487

Tue 13/520:30ORD - LHR

Nonstop8h 00mIberia

Wed 21/509:15LHR - ORD

Nonstop8h 30mIberia

Deal found 29/4£492

Last-minute flights from Chicago to Heathrow
Discover last-minute flight deals from Chicago to Heathrow. Data last updated 30 April 2025 and is based on user searches.

Wed 30/422:20ORD - LHR

Nonstop7h 55mIberia

Tue 6/513:30LHR - ORD

1 stop13h 03mIberia

Deal found 29/4£458

Wed 30/413:50ORD - LHR

1 stop13h 00mDelta

Wed 7/509:20LHR - ORD

1 stop15h 30mDelta

Deal found 29/4£461

Sun 4/515:45ORD - LHR

1 stop10h 15mAer Lingus

Tue 13/508:50LHR - ORD

1 stop11h 10mAer Lingus

Deal found 29/4£463

Mon 5/518:45MDW - LHR

1 stop12h 45mDelta

Wed 14/511:45LHR - MDW

1 stop13h 00mDelta

Deal found 29/4£461

Mon 5/516:45ORD - LHR

1 stop14h 00mFinnair

Tue 13/511:05LHR - ORD

Nonstop8h 45mFinnair

Deal found 29/4£480

Tue 6/522:25ORD - LHR

Nonstop7h 50mFinnair

Wed 21/510:20LHR - ORD

1 stop13h 30mFinnair

Deal found 29/4£472

Tue 6/517:40ORD - LHR

Nonstop7h 40mFinnair

Wed 21/509:15LHR - ORD

Nonstop8h 30mFinnair

Deal found 29/4£477

Tue 6/517:40ORD - LHR

Nonstop7h 40mIberia

Tue 13/512:15LHR - ORD

Nonstop8h 25mIberia

Deal found 29/4£480

Tue 6/510:40ORD - LHR

1 stop17h 20mMultiple Airlines

Mon 12/517:10LHR - ORD

1 stop25h 00mMultiple Airlines

Deal found 29/4£482

Tue 6/510:40ORD - LHR

1 stop13h 50mMultiple Airlines

Wed 21/508:40LHR - ORD

1 stop13h 15mMultiple Airlines

Deal found 29/4£485

Wed 7/522:15ORD - LHR

1 stop16h 05mIcelandair

Wed 14/513:05LHR - ORD

1 stop11h 10mIcelandair

Deal found 29/4£468

Wed 7/513:30ORD - LHR

1 stop13h 45mDelta

Sat 17/509:00LHR - ORD

1 stop12h 00mDelta

Deal found 29/4£485

One-way flights from Chicago to Heathrow
Search for one-way flight options from Chicago to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 April 2025.

Wed 7/522:15ORD - LHR

1 stop16h 05mIcelandair

Deal found 29/4£213

Fri 18/718:00ORD - LHR

1 stop22h 00mTAP AIR PORTUGAL

Deal found 29/4£213

Mon 21/717:10ORD - LHR

2 stops18h 35mMultiple Airlines

Deal found 29/4£220

Wed 7/522:15ORD - LHR

1 stop31h 40mIcelandair

Deal found 29/4£226

Mon 21/720:12ORD - LHR

2 stops32h 08mMultiple Airlines

Deal found 29/4£230

Mon 28/707:00ORD - LHR

2 stops21h 20mMultiple Airlines

Deal found 29/4£236

Wed 9/707:00ORD - LHR

2 stops33h 55mMultiple Airlines

Deal found 29/4£244

Tue 13/505:05ORD - LHR

3 stops24h 50mMultiple Airlines

Deal found 29/4£245

Sat 3/519:25ORD - LHR

1 stop18h 55mIcelandair

Deal found 29/4£246

Sun 1/609:40MDW - LHR

2 stops39h 45mMultiple Airlines

Deal found 28/4£246

Tue 8/707:56ORD - LHR

3 stops27h 49mMultiple Airlines

Deal found 29/4£247

Sun 1/609:40MDW - LHR

3 stops31h 00mMultiple Airlines

Deal found 28/4£249

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Cheap flights from Chicago to London Heathrow Airport – Compare and Save

Find flight deals from Chicago to Heathrow

Cheapest flights from Chicago to HeathrowExplore the most affordable flight options available from Chicago to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Explore the most affordable flight options available from Chicago to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Chicago to Heathrow
Explore the most affordable flight options available from Chicago to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.