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

For as low as £828, Iberia can have you in London Heathrow Airport from Champaign in 14h 27m. The distance from Champaign to London Heathrow Airport is about 4044 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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.

£659+ 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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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 13 September 2026.

Mon 26/1012:38 -

1 stop14h 57m

Mon 2/1113:45 -

2 stops34h 33m

Deal found 10/9£659

Thu 15/1018:48 -

1 stop30h 02m

Mon 19/1018:15 -

2 stops53h 50m

Deal found 9/9£705

Fri 9/1012:38 -

1 stop13h 27m

Fri 16/1014:45 -

1 stop11h 40m

Deal found 9/9£712

Thu 8/1018:48 -

1 stop10h 02m

Mon 12/1007:30 -

2 stops40h 35m

Deal found 9/9£741

Sat 24/1018:48 -

1 stop11h 47m

Sat 31/1011:00 -

1 stop14h 25m

Deal found 9/9£748

Fri 2/1013:23 -

1 stop15h 27m

Sun 11/1012:15 -

1 stop14h 10m

Deal found 10/9£749

Sat 24/1018:48 -

1 stop11h 47m

Sat 31/1008:20 -

2 stops17h 05m

Deal found 9/9£752

Thu 8/1018:48 -

1 stop10h 02m

Fri 16/1012:15 -

1 stop11h 50m

Deal found 9/9£753

Fri 9/1019:03 -

1 stop11h 12m

Fri 16/1012:00 -

2 stops38h 25m

Deal found 9/9£803

Fri 9/1012:38 -

1 stop13h 27m

Mon 12/1016:50 -

2 stops33h 35m

Deal found 8/9£812

Find flight deals from Champaign to Heathrow

Round-trip from	£659

Iberia
26/10-2/11
3 total stops
49h 30m total
Champaign to London

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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

Cheapest return flight

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Mon 26/10

12:38-08:35

1 stop14h 57m

London Heathrow

Mon 2/11

13:45-18:18

2 stops34h 33m

£659

Fastest return journey

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Wed 2/12

18:50-11:35

1 stop10h 45m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£743

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Thu 15/10

18:48-08:05

1 stop31h 17m

London Heathrow

Mon 19/10

09:45-18:05

1 stop14h 20m

£749

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Fri 9/10

19:03-12:15

1 stop11h 12m

London Heathrow

Fri 16/10

12:00-20:25

2 stops38h 25m

£803

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Fri 9/10

12:38-09:05

1 stop14h 27m

London Heathrow

Mon 12/10

09:45-18:05

1 stop14h 20m

£828

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Fri 2/10

18:41-10:35

2 stops33h 54m

London Heathrow

Sun 11/10

12:15-20:25

1 stop14h 10m

£835

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Tue 2/3

12:21-06:55

1 stop12h 34m

London Heathrow

Thu 4/3

07:30-18:05

2 stops16h 35m

£851

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Fri 9/10

06:00-06:25

2 stops18h 25m

London Heathrow

Mon 12/10

08:50-18:05

2 stops15h 15m

£860

Flights are sorted by cheapest return flights first.

Deals found on 9/9

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 £828, Iberia can have you in London Heathrow Airport from Champaign in 14h 27m. The distance from Champaign to London Heathrow Airport is about 4044 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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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Deals for Champaign to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Champaign to Heathrow?

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 £659

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. 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 13 September 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 13 September 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 13 September 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 13 September 2026.

Last-minute flights from Champaign to HeathrowDiscover last-minute flight deals from Champaign to Heathrow. Data last updated 13 September 2026 and is based on user searches.

Discover last-minute flight deals from Champaign to Heathrow. Data last updated 13 September 2026 and is based on user searches.

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 13 September 2026.

Search for one-way flight options from Champaign to Heathrow. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

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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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Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

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 13 September 2026.

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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 13 September 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 13 September 2026.

Last-minute flights from Champaign to Heathrow
Discover last-minute flight deals from Champaign to Heathrow. Data last updated 13 September 2026 and is based on user searches.

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 13 September 2026.