Cheap flights from Heathrow to Illinois

Flight FAQs

From Heathrow to Illinois

Are flight prices decreasing from Heathrow to Illinois due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Heathrow and Illinois for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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

Yes, there are multiple flights from Heathrow to Illinois for under £400. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £353, but on average you can expect to pay £390.

Are there direct flights from Heathrow to Illinois for under £500 on Cheapflights?

Cheapflights has 20 direct flights from Heathrow to Illinois under £500. A good price for a direct flight from Heathrow to Illinois is less than £480.

Are there last-minute flights available from Heathrow to Illinois for under £600?

There are currently 20+ open flights from Heathrow to Illinois within the next 7 days for less than £600.

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

American Airlines, Air Canada and Air France are the most popular airlines when flying from Heathrow to Illinois.

What are the most popular routes from Heathrow to Illinois?

When deciding which route to take from Heathrow to Illinois, consider London Heathrow - Chicago O'Hare Intl, London Heathrow - Chicago Midway or London Heathrow - Greater Peoria, as they are the most popular.

What are the cheapest flights from Heathrow to Illinois?

While on average a flight from Heathrow to Illinois is generally £387, our data shows the cheapest flight currently is £267. When looking at the most popular route, (London Heathrow - Chicago O'Hare Intl), you can expect to pay £277 for that flight.

What are the most reliable airlines from Heathrow to Illinois?

No one likes to see their flight delayed. When booking a flight from Heathrow to Illinois consider choosing EL AL(100%), Gulf Air(100%) or United Airlines(99%), as they are the most reliable in getting you off to your destination on time.

How long does is the flight from Heathrow to Illinois?

Departing from Heathrow to Illinois will take you 8h 35m. Generally, flights for this route are nonstop.

What are the cheapest airlines to flying from Heathrow to Illinois round-trip?

Flying on TAP AIR PORTUGAL is currently your cheapest option to Illinois, with prices starting at £270. Additional round trip that might be worth considering are Lufthansa, and Austrian Airlines with the lowest prices starting at £300 and £321, respectively.

What are the cheapest airlines to fly from Heathrow to Illinois one-way?

For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £245.