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

For as low as £710, British Airways can have you in London Heathrow Airport from Champaign in 11h 39m. The distance from Champaign to London Heathrow Airport is about 4044 mi.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

When flying from Champaign to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 holiday 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.

£270+ Cheap Flights from Champaign to London Heathrow Airport

Cheap flight deals from Champaign to Heathrow

Enter your travel dates to find the best prices.

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Best

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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 28 October 2026.

Tue 8/1214:32 -

1 stop13h 28m

Tue 15/1216:30 -

1 stop24h 58m

Deal found 24/10£770

Thu 10/1211:58 -

1 stop17h 37m

Thu 17/1212:35 -

1 stop11h 35m

Deal found 26/10£836

Tue 8/1211:58 -

2 stops21h 22m

Tue 15/1207:30 -

2 stops18h 55m

Deal found 24/10£847

Sat 12/1207:11 -

1 stop19h 04m

Sat 19/1212:10 -

2 stops14h 51m

Deal found 28/10£1,084

Sat 12/1211:58 -

1 stop14h 37m

Sat 19/1215:40 -

1 stop32h 30m

Deal found 28/10£1,130

Find flight deals from Champaign to Heathrow

Round-trip from	£710
One-way from	£270

British Airways
22/3-30/3
3 total stops
40h 40m total
Champaign to London

Search Deals

British Airways
22/3-31/12
1 total stop
13h 45m total
Champaign to London

Search Deals

Cheapflights Fare Finder

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

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Price

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ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Mon 22/3

12:10-06:55

1 stop13h 45m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£270

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Fri 12/3

18:53-06:55

1 stop30h 02m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£325

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Mon 22/3

18:56-11:35

1 stop11h 39m

London Heathrow

Tue 30/3

19:25-18:26

2 stops29h 01m

£710

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Wed 17/3

06:01-11:35

1 stop24h 34m

London Heathrow

Tue 23/3

15:40-11:13

1 stop24h 33m

£728

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Mon 22/3

12:10-11:35

1 stop18h 25m

London Heathrow

Tue 30/3

11:10-20:04

1 stop14h 54m

£728

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Wed 17/3

18:53-10:25

1 stop10h 32m

London Heathrow

Tue 23/3

06:05-18:22

2 stops17h 17m

£751

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Thu 10/12

11:58-11:35

1 stop17h 37m

London Heathrow

Thu 17/12

12:35-18:10

1 stop11h 35m

£836

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Sun 21/3

18:56-11:35

1 stop11h 39m

London Heathrow

Sat 27/3

19:20-18:26

2 stops28h 06m

£887

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Tue 2/3

12:10-10:25

1 stop16h 15m

London Heathrow

Thu 4/3

19:05-18:26

2 stops29h 21m

£896

Flights are sorted by cheapest return flights first.

Deals found on 24/10

Sorted by cheapest first

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.

CMI-LHR

Estimated return 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

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?
For as low as £710, British Airways can have you in London Heathrow Airport from Champaign in 11h 39m. The distance from Champaign to 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 holiday 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.

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Millions of users choose and trust Cheapflights to book the best flight deals from Champaign to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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Cheap flights from Champaign to London Heathrow Airport from £270

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 28 October 2026.

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 28 October 2026.

Best flights from Champaign to HeathrowDiscover carefully curated flight deals from Champaign to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 October 2026.

Discover carefully curated flight deals from Champaign to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 October 2026.

One-way flights from Champaign to HeathrowSearch for one-way flight options from Champaign to Heathrow. Find affordable one-way fares based on user searches. Data last updated 28 October 2026.

Search for one-way flight options from Champaign to Heathrow. Find affordable one-way fares based on user searches. Data last updated 28 October 2026.

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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

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Related info for your journey

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

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

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?

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Champaign to Heathrow

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Direct flights to England

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Search flights from Champaign to Heathrow by cabin class

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 October 2026.

Champaign and Heathrow flights

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Can Cheapflights notify me if prices for flights from Champaign to Heathrow become cheaper?

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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 28 October 2026.

Best flights from Champaign to Heathrow
Discover carefully curated flight deals from Champaign to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 October 2026.

One-way flights from Champaign to Heathrow
Search for one-way flight options from Champaign to Heathrow. Find affordable one-way fares based on user searches. Data last updated 28 October 2026.