London to Chicago flights

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Lowest observed

€384

Average observed

€466

Cheapest month

November 2026

Last checked

6 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €384

Below average

4 Nov 2026

2 stops · One way

Cheapest observed day · Last checked: 6 Oct 2026

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Lowest observed: €384, departing 4 Nov 2026 (Last checked: 6 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 18Check live prices for this route
Airlines seen: United Airlines, Aer Lingus, Air Transat, Austrian Airlines, Finnair, Icelandair +8 more
Reported fastest flight: 9h 05m
Non-stop: Yes

Short answer

We have seen United Airlines fares from London to Chicago, non-stop. The lowest fare our own searches returned is €384, seen on 6 Oct 2026. The average across the fares we caught is €466. November 2026 is the cheapest month in our observations, at €384. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

Explore the fares we observed from London to Chicago. Prices move often, so pick your dates to see the latest options.

Route distance: 6,353 km
Reported fastest flight: 9h 05m
Airlines seen: United Airlines, Aer Lingus, Air Transat, Austrian Airlines, Finnair, Icelandair +8 more
Alternative airports: LCY, LGW, LTN, SEN, STN, CGX, DPA, MDW, PWK, RFD

Route-level information; individual journeys vary.
Published schedules report non-stop service with United Airlines, American Airlines, British Airways. Check current timetables.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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We show like-for-like journeys so the comparison is fair.

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The price is final on the provider's site, where your booking is completed.

How our prices work

Airport to city: straight-line distance

London City Airport (LCY) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 13 km.
London Heathrow (LHR) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 23 km.
London Gatwick (LGW) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 40 km.
London Luton (LTN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 44 km.
London Stansted (STN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 49 km.
London Southend Airport (SEN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 57 km.
Chicago Midway International Airport (MDW) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 14 km.
Chicago O'Hare International Airport (ORD) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 25 km.
Chicago Rockford International Airport (RFD) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 126 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Lowest fare by day of the week

Cheapest day of the week from London to Chicago: Wednesday, from €384 (checked 6 Oct 2026).

Lowest fare by day of the week
Day	Lowest fare	Priced days
Wednesday	€384	3
Thursday	€392	3
Friday	€392	3
Saturday	€392	3

One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.

Lowest fare by days before departure

Lowest fare from London to Chicago by days until departure (8 to 30 days): €384 (checked 6 Oct 2026).

Lowest fare by days before departure
Days before departure	Lowest fare	Priced days
8 to 30 days	€384	8
31 to 60 days	€398	10

One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.

Fares for different departure dates, checked now; not a guide to when to book.

Frequently asked

How much is a flight from London to Chicago?

The lowest fare we have observed is €384, found on 6 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from London to Chicago?

In our observations November 2026 is the cheapest month so far, at €384.

Are there direct flights from London to Chicago?

Yes. We have seen non-stop flights on this route, flown by United Airlines, American Airlines, British Airways.

Which airlines fly from London to Chicago?

These are the carriers we have seen on the route: United Airlines, Aer Lingus, Air Transat, Austrian Airlines, Finnair, Icelandair +8 more.

How long does the flight from London to Chicago take?

The average journey time across the 89 fares we observed is 16h 30m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed London to Chicago fares were non-stop?

15 of the 111 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.

Which day of the week is cheapest from London to Chicago?

Cheapest day of the week from London to Chicago: Wednesday, from €384 (checked 6 Oct 2026).

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide