HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$737+ Cheap flights from Champaign (CMI) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LHR
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Champaign to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Champaign to Heathrow

Best flights from Champaign to Heathrow
Discover carefully curated flight deals from Champaign to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Expedia deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/2411:33 amCMI - LHR
1 stop16h 52mIberia
Sat 1/317:30 amLHR - CMI
2 stops16h 53mIberia
Deal found 12/10$737
This oojo deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/2411:33 amCMI - LHR
1 stop16h 52mBritish Airways
Sat 1/3111:00 amLHR - CMI
1 stop13h 23mBritish Airways
Deal found 12/10$763
This British Airways deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1111:24 amCMI - LHR
1 stop17h 01mBritish Airways
Sun 2/1512:35 pmLHR - CMI
1 stop13h 59mBritish Airways
Deal found 12/9$915

Find flight deals from Champaign to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Champaign (CMI) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$737
(Expedia)
Provider with most accurate pricing for Champaign University-Willard-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Champaign University-Willard-London (LON) flights.
Search Deals
From Champaign University-Willard to London Heathrow
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Champaign to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Champaign to London Heathrow Airport that are best for you.

Fly from

Champaign

Fly to

Heathrow

Route

Depart

Return

Price

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 1/24

11:33 am-10:25 am

1 stop16h 52m

London Heathrow

Sat 1/31

7:30 am-6:23 pm

2 stops16h 53m

$737

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 1/24

11:33 am-10:25 am

1 stop16h 52m

London Heathrow

Sat 1/31

11:00 am-6:23 pm

1 stop13h 23m

$763

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 2/11

11:24 am-10:25 am

1 stop17h 01m

London Heathrow

Sun 2/15

12:35 pm-8:34 pm

1 stop13h 59m

$915

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Best time to book a flight from Champaign to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Champaign with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Champaign to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Champaign to London Heathrow?

    Most people fly from Champaign University-Willard (CMI) if they book a flight from Champaign to London Heathrow. On average, University-Willard has 0 outbound flights to London Heathrow per day from 0 airlines. Champaign University-Willard is conveniently located just 11.3 mi from Champaign’s city center.

  • How long is the flight from Champaign to London Heathrow Airport?

    Iberia and British Airways can get you from Champaign to London Heathrow Airport in just under 16h 52m. Your travel time can differ by up to . The distance between Champaign and London Heathrow Airport is about 4044 mi.

  • Can I find deals for flights from Champaign to Heathrow that include hotel bookings?

    Yes. In addition to deals on Champaign to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Champaign to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Champaign to Heathrow.

  • Can I find deals for business class flights from Champaign to Heathrow?

    Yes. Cheapflights offers flight deals from Champaign to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Champaign to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Gatwick flights
O'Hare Intl to London City flights
O'Hare Intl to Stansted flights
Midway to Heathrow flights
O'Hare Intl to Luton flights
St. Louis to Heathrow flights
St. Louis to Gatwick flights
Midway to Gatwick flights
St. Louis to London City flights
St. Louis to Stansted flights
St. Louis to Luton flights
Moline to Heathrow flights
Peoria to Heathrow flights
Midway to London City flights
Springfield to Heathrow flights
Evansville to Heathrow flights
Bloomington to Heathrow flights
Peoria to London City flights
Moline to Gatwick flights
Peoria to Gatwick flights
Midway to Stansted flights
Dubuque to Heathrow flights
Evansville to Gatwick flights
Midway to Luton flights
Bloomington to Gatwick flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.