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.

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.

What is the cheapest day to fly from Champaign to London Heathrow Airport?

Travelers seeking maximum savings on their Champaign to London Heathrow Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest day to fly round-trip from Champaign to London Heathrow Airport?

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 25% on your flight compared to booking on days when demand is much higher.

What is the cheapest time of day to fly from CMI to LHR?

It’s optimal to fly from Champaign to London Heathrow Airport at noon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.

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.

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.

$642+ Flights from Champaign to London Heathrow Airport

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Cheap flight deals from Champaign to Heathrow

Round-trip from	$642 (Justfly.com)

From Champaign University-Willard to London Heathrow

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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.

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

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

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 July 11, 2025.

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

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

Last-minute flights from Champaign to Heathrow
Discover last-minute flight deals from Champaign to Heathrow. Data last updated July 11, 2025 and is based on user searches.

Wed 7/162:51 pmCMI - LHR

1 stop10h 29mBritish Airways

Wed 7/239:15 amLHR - CMI

1 stop11h 06mBritish Airways

Deal found 7/9

$1,367

Thu 8/283:46 pmCMI - LHR

1 stop14h 59mAmerican Airlines

Mon 9/11:10 pmLHR - CMI

1 stop14h 28mAmerican Airlines

Deal found 7/9

$793

Thu 8/286:36 pmCMI - LHR

1 stop11h 39mBritish Airways

Mon 9/18:15 pmLHR - CMI

2 stops27h 51mBritish Airways

Deal found 7/10

$799

Cheapflights Fare Finder

Use the filters below to find and compare flights from Champaign to London Heathrow Airport that are best for you.

Fly from

Fly to

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

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.

American Airlines

7.2

Good

10,000 reviews

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.

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

6.0

Good

Alison,May 2025

LHR - MAN

British Airways

6.6

Okay

7,109 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

6.0

Good

Alison,May 2025

LHR - MAN

Related info for your journey

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.

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$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.

Find cheap flights from Champaign to Heathrow with Cheapflights

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Cheap flight deals from Champaign to Heathrow

Round-trip from

Find flight deals from Champaign to Heathrow

Cheapest flights from Champaign to HeathrowExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Champaign to London Heathrow Airport that are best for you.

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.

Reviews of airlines servicing Heathrow

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.

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?

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

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

How can I find direct flights from Champaign to Heathrow?

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

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

Traveling to a place near Champaign?

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Alternative routes for Champaign to Heathrow

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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.