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$795+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LHR
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap flight deals from Champaign to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Champaign (CMI) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$795
(British Airways)
Provider with most accurate pricing for Champaign University-Willard-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Champaign University-Willard-London Heathrow flights.
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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 April 15, 2025.

This British Airways deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/118:20 pmCMI - LHR
1 stop9h 55mBritish Airways
Tue 8/266:10 amLHR - CMI
2 stops19h 40mBritish Airways
Deal found 4/13$795
This American Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/164:30 pmCMI - LHR
1 stop12h 00mAmerican Airlines
Tue 5/209:15 amLHR - CMI
2 stops18h 09mAmerican Airlines
Deal found 4/13$954

Cheapflights Fare Finder

Customize your flight search to find flights from Champaign to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 15, 2025.
Use the filters below to find and compare flights from Champaign to London Heathrow Airport that are best for you.

Fly from

Champaign

Fly to

Heathrow

Route

Depart

Return

Price

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 8/11

8:20 pm-12:15 pm

1 stop9h 55m

London Heathrow

Tue 8/26

6:10 am-7:50 pm

2 stops19h 40m

$795

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 5/16

4:30 pm-10:30 am

1 stop12h 00m

London Heathrow

Tue 5/20

9:15 am-9:24 pm

2 stops18h 09m

$954

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

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

Cheapflights Insights

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

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

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.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated April 15, 2025.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
British Airways
6.6
Okay
6,760 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.

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?

    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 $795, 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 $954.

  • 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 $1,110). 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.

See more FAQs

Traveling to a place near Champaign?

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