How long is the flight from Champaign to London?

Departing from Champaign to London will take you 12h 43m. There are 4044 mi between Champaign and London. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in London 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 when rainfall is around 1.6 in.

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 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 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.

Most accurate provider : When it comes to deals on Champaign-London flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Champaign-London flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Champaign-London flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Champaign-London flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Champaign-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

For a flight from Champaign to London, you will be flying from University-Willard. Champaign University-Willard (CMI) is just 11.3 mi from the center of the city. University-Willard is the only Champaign airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Champaign University-Willard on a regular basis.

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 vacation 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.

$700+ Cheap Flights from Champaign to London

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Find flight deals from Champaign to London

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 October 23, 2025.

Sun 12/71:32 pmCMI - LHR

1 stop12h 43mBritish Airways

Sun 12/1411:00 amLHR - CMI

1 stop14h 38mBritish Airways

Deal found 10/21

$700

Sat 12/61:44 pmCMI - LHR

1 stop11h 11mBritish Airways

Sat 12/136:45 pmLHR - CMI

2 stops32h 45mBritish Airways

Deal found 10/22

$767

Sun 11/21:55 pmCMI - LHR

2 stops24h 50mBritish Airways

Sat 11/152:10 pmLHR - CMI

1 stop13h 19mBritish Airways

Deal found 10/23

$830

Best flights from Champaign to London
Discover carefully curated flight deals from Champaign to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2025.

Sun 12/71:32 pmCMI - LHR

1 stop12h 43mBritish Airways

Sun 12/1411:00 amLHR - CMI

1 stop14h 38mBritish Airways

Deal found 10/21

$700

Sun 12/711:21 amCMI - LHR

1 stop13h 34mAmerican Airlines

Sun 12/1412:35 pmLHR - CMI

1 stop13h 03mAmerican Airlines

Deal found 10/23

$709

Sat 12/61:44 pmCMI - LHR

1 stop11h 11mBritish Airways

Sat 12/136:45 pmLHR - CMI

2 stops32h 45mBritish Airways

Deal found 10/22

$767

Last-minute flights from Champaign to London
Discover last-minute flight deals from Champaign to London. Data last updated October 23, 2025 and is based on user searches.

Sun 11/21:55 pmCMI - LHR

2 stops24h 50mBritish Airways

Sat 11/152:10 pmLHR - CMI

1 stop13h 19mBritish Airways

Deal found 10/23

$830

Sun 11/21:55 pmCMI - LHR

2 stops24h 50mMultiple Airlines

Sat 11/156:15 amLHR - CMI

2 stops21h 14mMultiple Airlines

Deal found 10/23

$1,502

Mon 11/31:50 pmCMI - LHR

2 stops18h 30mBritish Airways

Sat 11/152:10 pmLHR - CMI

1 stop13h 19mBritish Airways

Deal found 10/21

$1,156

Cheap flight deals from Champaign to London

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$700 (Expedia)

Provider with most accurate pricing for Champaign University-Willard-London (LON) flight deals.

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Provider most trusted by Cheapflights users for Champaign University-Willard-London (LON) flights.

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From Champaign University-Willard to London (LON)

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sun 12/7

1:32 pm-8:15 am

1 stop12h 43m

London Heathrow

Sun 12/14

11:00 am-7:38 pm

1 stop14h 38m

$700

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sun 12/7

11:21 am-6:55 am

1 stop13h 34m

London Heathrow

Sun 12/14

12:35 pm-7:38 pm

1 stop13h 03m

$709

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 12/6

1:44 pm-6:55 am

1 stop11h 11m

London Heathrow

Sat 12/13

6:45 pm-9:30 pm

2 stops32h 45m

$767

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Most accurate provider: When it comes to deals on Champaign-London flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Champaign-London flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Champaign-London flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Champaign-London flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Champaign-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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.

Cheapflights Insights

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

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?
For a flight from Champaign to London, you will be flying from University-Willard. Champaign University-Willard (CMI) is just 11.3 mi from the center of the city. University-Willard is the only Champaign airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Champaign University-Willard on a regular basis.
How long is the flight from Champaign to London?
Departing from Champaign to London will take you 12h 43m. There are 4044 mi between Champaign and London. When browsing for deals, the options you’ll see will be for both nonstop 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 vacation 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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$700+ Cheap flights from Champaign (CMI) to London (LON)

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Champaign to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find 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 October 23, 2025.

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 October 23, 2025.

Cheap flight deals from Champaign to London

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Round-trip from

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

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.

Cheapflights Insights

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

Related info for your journey

Find useful and relevant information for your journey from Champaign to London. 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?

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?

Traveling to a place near London?

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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 October 23, 2025.