$308 Find Cheap Flights from Chicago O'Hare Airport to London - Compare and Save

Yes. LGW has several onsite hotels where you can check-in. Hampton by Hilton hotel is located about a 5min walk from the South Terminal and moments from the airport check-in desks. The South Terminal also finds the Hilton London Gatwick Hotel, Premier Inn opposite the North Terminal's entrance and Sofitel London Gatwick at the North Terminal.

Taxi is the fastest way to get to Buckingham Palace from LCY airport. Taxi takes approximately 23min from the destination, unlike the subway train or bus, which takes 35min and 43min respectively. You can request black taxis, mini cabs, or chauffeurs found at the airport.

LHR airport hosts restaurants, cafes and bars where you can grab a drink, coffee or enjoy delicious dishes. You can try out some British classics at the Fortnum & Mason Bar. If you arrive through the Queen's Terminal, you can enjoy a peculiar trio of crab on toast or chicken tikka masala at The Perfectionist’s Café.

Yes. The ORD airport has seventeen lounges where you can relax away from the busy departure areas as you wait for your flight. USO Lounge in Terminal 2 at pre-security is designed for active members of the U.S. military. If you are flying business class, you can access United Polaris Lounge adjacent to gate C18 in Terminal 1.

Among airlines operating Chicago O'Hare Intl Airport to London flights:

• British Airways: offers extra legroom; offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Iberia: offers free seat selection
• Finnair: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

3 airlines operate flights between Chicago O'Hare Intl Airport and London. The airlines offering nonstop flights on this route include:
• United Airlines
• American Airlines
• British Airways

Flights from Chicago O'Hare Intl Airport to London usually depart from Chicago O'Hare Intl (ORD) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

Here are some options for this route, based on selected ticket types and cabin classes:

• British Airways: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Four cabin classes are available on flights from Chicago O'Hare Intl Airport to London:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $404 round-trip via Paris Charles de Gaulle (CDG), compared to $891 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $28–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

One-stop flights from Chicago O'Hare Intl Airport to London most commonly connect through:

• Reykjavik Keflavik Intl (KEF) - 44% of one-stop connections
• Dublin (DUB) - 29% of one-stop connections
• Lisbon Humberto Delgado (LIS) - 7% of one-stop connections
• Kastrup Copenhagen (CPH) - 6% of one-stop connections

Reykjavik Keflavik Intl (KEF) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 18% on the Chicago O'Hare Intl Airport to London route. Tuesday is the cheapest departure day at $781 round-trip on average, while Saturday is the most expensive at $948, a difference of $167. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago O'Hare Intl Airport to London route, 25% of flights were delayed in the past 3 months, with delays averaging 2 hours 49 minutes.

Evening is the busiest departure period on Chicago O'Hare Intl Airport to London flights, with 50% of flights leaving in that window. Night departures account for 50%, morning flights for 0%, and afternoon flights for 0%.

Some of the most popular sights in London are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London on KAYAK.

A nonstop flight from Chicago O'Hare Intl Airport to London takes 8h 02m, covering 3,951 miles.

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to London:

• Earliest: departs at 3:45 pm and lands at 11:47 pm
• Latest: departs at 10:50 pm and lands at 6:52 am.

The flight takes about 8h 02m.

Last-minute fares on this route - booked within 2 weeks of departure - run 0% above the route average of $839. Book 5 weeks before departure for the lowest fares.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Chicago O'Hare Intl Airport to London are currently lower than usual. Average one-way flight prices are about $311, which is 37% below the typical average for this route.

British Airways is slightly above the route average for timely arrivals, while American Airlines has a lower on-time arrival rate. On-time arrival rates on Chicago O'Hare Intl Airport to London flights are:

• British Airways: 76% on time
• American Airlines: 76% on time
• United Airlines: 74% on time

Overall, flights on this route are on time 75% of the time on average.

Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 11h 03m, compared with 11h 24m via Dublin (DUB) and 11h 47m via Montreal Pierre Elliott Trudeau Intl (YUL).

London is 6 hours ahead of Chicago O'Hare Intl Airport (British Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Since London is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near London Heathrow Airport (LHR) — daily rates from around $7:

· GREEN MOTION
· DRIVALIA
· Europcar
· Alamo
· Hertz

Near London Gatwick Airport (LGW) — daily rates from around $8:

· GREEN MOTION
· DRIVALIA
· U-Save
· Europcar
· Alamo

Near London City Airport (LCY) — daily rates from around $11:

· GREEN MOTION
· Budget
· Hertz
· Avis
· Sixt

Near London Luton Airport (LTN) — daily rates from around $11:

· GREEN MOTION
· DRIVALIA
· Alamo
· Europcar
· Budget

Near London Stansted Airport (STN) — daily rates from around $10:

· GREEN MOTION
· DRIVALIA
· Europcar
· Alamo
· U-Save

Round-trip flights from Chicago O'Hare Intl Airport to London range from $669 to $1,101, with an average of $839 over the past 12 months. Anything below $669 counts as a good deal.

Four airlines offer in-flight Wi-Fi on Chicago O'Hare Intl Airport to London flights:

• • British Airways
• • American Airlines
• • Iberia
• • Finnair