Q: Can I fly back to London Heathrow from Illinois?

Returning to London Heathrow from Illinois COVID-19 testing requirements Visitors from Illinois are not required to present a negative COVID-19 PCR test or antigen result upon entering London Heathrow. Quarantine requirements Visitors from Illinois are not required to quarantine after entering London Heathrow.

Question 1

What days are nonstop flights available from London Heathrow Airport to Illinois?

Accepted Answer

Days when nonstop flights are available for this flight are: Sunday, Wednesday, Thursday, Friday.

Question 2

How many flights depart from London Heathrow Airport to Illinois on average per day?

Accepted Answer

Per day, 15 flights depart from London Heathrow Airport to Illinois on average.
Morning (6am - Noon) - 67% of flight departures
Afternoon (Noon - 6pm) - 33% of flight departures

Question 3

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

Accepted Answer

Departing from London Heathrow Airport to Illinois will take you 14h 05m. The distance from London Heathrow Airport to Illinois is about 3964 mi.

Question 4

Can I fly to Illinois from London Heathrow right now?

Accepted Answer

Information is based on travel restrictions from London Heathrow to Illinois

Most visitors from London Heathrow need to provide a negative COVID-19 test result and/or quarantine to enter Illinois.

COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Illinois.

Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering Illinois.

Question 5

Can I fly back to London Heathrow from Illinois?

Accepted Answer

Returning to London Heathrow from Illinois

COVID-19 testing requirements
Visitors from Illinois are not required to present a negative COVID-19 PCR test or antigen result upon entering London Heathrow.

Quarantine requirements
Visitors from Illinois are not required to quarantine after entering London Heathrow.

Question 6

What are the most popular airlines that fly from London Heathrow Airport to Illinois?

Accepted Answer

When booking a flight from London Heathrow Airport to Illinois, you may want to consider flying on American Airlines, Finnair or British Airways as they are the most popular for this route.

Question 7

What are the most popular routes from London Heathrow Airport to Illinois?

Accepted Answer

The most popular flight routes from London Heathrow Airport to Illinois are London Heathrow - Chicago O'Hare Intl, London Heathrow - Chicago Midway and London Heathrow - Lambert-St Louis.

Question 8

What are the cheapest flights from London Heathrow Airport to Illinois?

Accepted Answer

Looking at all options, your cheapest flight can be booked for £511. While the most popular route (London Heathrow - Chicago O'Hare Intl) can be booked for £346 on average our data indicates £1,793 when flying from London Heathrow Airport to Illinois.

Question 9

What are the most reliable airlines from London Heathrow Airport to Illinois?

Accepted Answer

Before booking your flight to Illinois from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: SriLankan Airlines (98%), Gulf Air (95%), Qatar Airways( 94%).

Question 10

Can I find flights from London Heathrow Airport to Illinois for under £400 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from London Heathrow Airport to Illinois for under £400. The cheapest flight booked recently is on Multiple Airlines for just £330, but on average you can expect to pay £368.

Question 11

Are there nonstop flights from London Heathrow Airport to Illinois for under £500 on Cheapflights?

Accepted Answer

Cheapflights has at least 20 direct flights from London Heathrow Airport to Illinois under £500. A good price for a nonstop flight from London Heathrow Airport to Illinois is less than £459.

Question 12

Are there last-minute flights available from London Heathrow Airport to Illinois for under £500?

Accepted Answer

There are currently 20+ open flights from London Heathrow Airport to Illinois within the next 7 days for less than £500.

Question 13

Which airlines flying from London Heathrow to Illinois have flexible cancellations due to COVID-19?

Accepted Answer

Some of our airline partners flying from London Heathrow to Illinois have new flexible policies in place due to COVID-19. Finnair, British Airways, and Virgin Atlantic are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Finnair with this kind of flexibility.

Question 14

How far in advance should I book a flight from London Heathrow Airport to Illinois?

Accepted Answer

To save up to 32% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Heathrow Airport to Illinois from £426 1-2 weeks out and tickets from £514 for flights departing within the next 72 hours.

Question 15

What is the cheapest month to fly from London Heathrow Airport to Illinois?

Accepted Answer

October can be a great time to fly to Illinois from London Heathrow Airport with a flight ticket averaging about £398. Cheapflights users have found deals in the month of October for as cheap as £279. The most expensive prices can be found in the month of July.

Question 16

When is the cheapest time to fly from London Heathrow Airport to Illinois (LHR - IL)?

Accepted Answer

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

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Delta	Cheapest£264	Average£457	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights
TAP AIR PORTUGAL	Cheapest£298	Average£429	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search TAP AIR PORTUGAL flights
Virgin Atlantic	Cheapest£352	Average£568	FlexibilityNo cancel fee	On-time72%	COVID-19 safety	Search Virgin Atlantic flights
Icelandair	Cheapest£388	Average£518	FlexibilityNo cancel fee	On-time76%	COVID-19 safety	Search Icelandair flights
Scandinavian Airlines	Cheapest£390	Average£553	FlexibilityNo cancel fee	On-time77%	COVID-19 safety	Search Scandinavian Airlines flights

1%of flight departures	Early morningMidnight to 6 am
87%of flight departures	Morning6 am to noon
12%of flight departures	AfternoonNoon to 6 pm
0%of flight departures	Evening6 pm to midnight

Cheap flights from Heathrow to Illinois

How far in advance should I book a flight from London Heathrow Airport to Illinois?

What is the cheapest month to fly from London Heathrow Airport to Illinois?

When is the cheapest time to fly from London Heathrow Airport to Illinois (LHR - IL)?