Heathrow

$642+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LHR
Jul 16 — Jul 231
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Cheap 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 July 11, 2025.

Round-trip from

$642
(Justfly.com)
From Champaign University-Willard to London Heathrow

Find flight deals from Champaign to Heathrow

Cheapest flights from Champaign to Heathrow
Explore the most affordable flight options available from Champaign to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

This Justfly.com deal was found by Cheapflights users on 7/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:35 amCMI - LHR
1 stop18h 00mBritish Airways
Wed 12/103:45 pmLHR - CMI
1 stop11h 37mBritish Airways
Deal found 7/8$642
This American Airlines deal was found by Cheapflights users on 7/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/283:46 pmCMI - LHR
1 stop13h 04mAmerican Airlines
Mon 9/11:10 pmLHR - CMI
1 stop14h 28mAmerican Airlines
Deal found 7/10$793

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 July 11, 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

Tue 12/2

11:35 am-11:35 am

1 stop18h 00m

London Heathrow

Wed 12/10

3:45 pm-9:22 pm

1 stop11h 37m

$642

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 8/28

3:46 pm-12:45 pm

1 stop14h 59m

London Heathrow

Mon 9/1

1:10 pm-9:38 pm

1 stop14h 28m

$793

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

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.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated July 11, 2025.
Read reviews from past customers who have flown American Airlines and British Airways from Champaign to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

Comfort

7.2

Food

6.5

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

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.

  • What are the cheapest airlines flying from Champaign to London Heathrow Airport round-trip?

    Currently priced at $642, British Airways will fly you from Champaign to London Heathrow Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $793.

  • 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.

  • What is the cheapest month to book a flight from Champaign to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Champaign to London Heathrow Airport (average of $661). Flying from Champaign to London Heathrow Airport in June is currently the most expensive (average of $1,096). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Champaign?

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