How long is the flight from Champaign to London?

Airlines like American Airlines, Iberia, and British Airways fly from Champaign to London in about 16h 13m. The time it takes to get you to your destination can typically vary by up to 1h 54m. There are 4044 mi between Champaign and London. 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 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 when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, 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 LON?

When flying from Champaign to London, 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?

Champaign University-Willard (CMI) is the airport you will fly out of if you book a flight from Champaign to London. You should not have trouble finding flights to London from University-Willard; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Champaign airport to London. It is only a 11.3 mi journey to University-Willard (CMI) from Champaign’s city center.

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

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

How can I find direct flights from Champaign to London?

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

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

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

£640+ Cheap Flights from Champaign to London

Cheap flight deals from Champaign to London

Enter your travel dates to find the best prices.

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Cheapest flights from Champaign to London
Explore the most affordable flight options available from Champaign to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Tue 8/916:54 -

1 stop11h 36m

Tue 22/906:15 -

2 stops20h 41m

Deal found 3/9£640

Tue 8/916:54 -

1 stop11h 36m

Tue 22/909:45 -

1 stop17h 11m

Deal found 2/9£664

Thu 5/1112:13 -

1 stop14h 22m

Sun 8/1107:30 -

2 stops16h 48m

Deal found 31/8£779

Fri 16/1014:37 -

1 stop16h 13m

Fri 23/1012:15 -

1 stop11h 50m

Deal found 1/9£790

Thu 15/1012:38 -

1 stop16h 37m

Thu 22/1011:10 -

1 stop12h 55m

Deal found 30/8£790

Thu 15/1018:48 -

2 stops35h 12m

Thu 22/1012:15 -

1 stop14h 10m

Deal found 30/8£796

Thu 15/1018:48 -

2 stops18h 07m

Thu 22/1006:10 -

2 stops20h 15m

Deal found 30/8£809

Thu 10/913:23 -

1 stop12h 17m

Sun 20/919:30 -

2 stops31h 26m

Deal found 3/9£816

Find flight deals from Champaign to London

Round-trip from	£779

Iberia
5/11-8/11
3 total stops
31h 10m total
Champaign to London

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Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Fri 16/10

14:37-12:50

1 stop16h 13m

London Heathrow

Fri 23/10

12:15-18:05

1 stop11h 50m

£790

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Thu 15/10

12:38-11:15

1 stop16h 37m

London Heathrow

Thu 22/10

11:10-18:05

1 stop12h 55m

£790

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Fri 16/10

12:38-12:00

2 stops17h 22m

London Heathrow

Fri 23/10

09:45-18:05

1 stop14h 20m

£796

ChampaignLondon

CMI Champaign University-Willard - LHR London Heathrow

CMILHR

Champaign University-Willard

Thu 15/10

18:48-18:55

2 stops18h 07m

London Heathrow

Thu 22/10

06:10-20:25

2 stops20h 15m

£809

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

£815

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Sorted by cheapest first

Best time to book a flight from Champaign to London

Have a flexible travel schedule? Discover the best time to fly to London from Champaign with our price prediction graph.

CMI-LON

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.

Cheapflights Insights

Everything you need to know about your flight from Champaign to London

CMI-LON

CMI-LHR

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly from for flights from Champaign to London?
Champaign University-Willard (CMI) is the airport you will fly out of if you book a flight from Champaign to London. You should not have trouble finding flights to London from University-Willard; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Champaign airport to London. It is only a 11.3 mi journey to University-Willard (CMI) from Champaign’s city center.
How long is the flight from Champaign to London?
Airlines like American Airlines, Iberia, and British Airways fly from Champaign to London in about 16h 13m. The time it takes to get you to your destination can typically vary by up to 1h 54m. There are 4044 mi between Champaign and London. 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 London that include hotel bookings?
Yes. In addition to deals on Champaign to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Champaign to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Champaign to London.
Can I find deals for business class flights from Champaign to London?
Yes. Cheapflights offers flight deals from Champaign to London 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 London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Champaign to London with no change fees?

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Cheap flights from Champaign to London from £640

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Champaign to London

Cheapest flights from Champaign to LondonExplore the most affordable flight options available from Champaign to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Explore the most affordable flight options available from Champaign to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Best flights from Champaign to LondonDiscover carefully curated flight deals from Champaign to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Discover carefully curated flight deals from Champaign to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Last-minute flights from Champaign to LondonDiscover last-minute flight deals from Champaign to London. Data last updated 4 September 2026 and is based on user searches.

Discover last-minute flight deals from Champaign to London. Data last updated 4 September 2026 and is based on user searches.

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Related info for your journey

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

How long is the flight from Champaign to London?

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

How can I find direct flights from Champaign to London?

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

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Champaign to London

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Complete your trip

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Direct flights to England

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Search flights from Champaign to London by cabin class

Find flights from Champaign to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 4 September 2026.

Champaign and London flights

Browse other Champaign and London flight options. Last updated on 4 September 2026.

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How does Cheapflights help users find flights from Champaign to London?

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

Can Cheapflights find flights from Champaign to London with no change fees?

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

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Cheapest flights from Champaign to London
Explore the most affordable flight options available from Champaign to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Best flights from Champaign to London
Discover carefully curated flight deals from Champaign to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Last-minute flights from Champaign to London
Discover last-minute flight deals from Champaign to London. Data last updated 4 September 2026 and is based on user searches.