Find cheap flights from London to Illinois

Find cheap flights from London to Illinois

Round-trip
Economy
London (YXU)
Illinois
Thu 3/4
Thu 3/11
Any month
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Good to know

Low season

July Best time to beat the crowds with an average 5% drop in price.

High season

February Most popular time to fly with an average 22% increase in price.

Average price round-trip

$418 (avg. price over the last 2 weeks)

Good deal round-trip

$337 or less

Good deal one-way

$179 or less

Top tips for finding cheap flights to Illinois

  • High season is considered to be January, February and December. The cheapest month to fly to Illinois is January.

FAQs - booking Illinois flights

Are there Illinois travel restrictions currently due to Coronavirus?

How does KAYAK find such low prices on flights to Illinois?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Illinois?

What is the Hacker Fare option on flights to Illinois?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Illinois?

Top airline flying London to Illinois

Scores according to KAYAK customer reviews

7.0
United Airlines
Overall score based on 67,919 reviews
7.4
Boarding
6.9
Comfort
7.7
Crew
6.5
Entertainment
6.4
Food
Airline reviews

Pros: "Nothing"
Cons: "Turbulence"

Pros: "Lousy pretzels. We had no choice in a snack!"
Cons: "Seats are for skinny high school kids who are only 5'2"."

Pros: "Great service. Free Internet and movi9"
Cons: "Seat next to the restroom"

Pros: "Cleanliness of plane"

Pros: "Great staff. Great safety explanation. Smooth fight"
Cons: "Nothing. Everything was great. I'll definitely try to stick with united for my future travels"

Pros: "arrived on time despite delayed departure"

Pros: "Flights was ontime"
Cons: "Plane was too hot, and then way to cold. This seems to be a re-occurring problem. I am not sure why the plane can't just be set to be be 68-72 degrees. There is no need for it to be above 80 or less than 60."

Pros: "Excellent service and friendly staff"
Cons: "Absolutely not enough room to stretch your legs"

Pros: "Lots of turbulence"

Cons: "Delayed three times"

Pros: "Nice plane for a small one"
Cons: "Bumpy ride."

Cons: "Two time delayed"

Pros: "Staff was friendly and everything was timely. The operator on the phone was also great. Had the best deals for flights from Atlanta to Chicago for same day purchase."
Cons: "The seats on the Boeing 737 were very uncomfortable."

Pros: "Polite and pleasant attendants"
Cons: "nothing"

Pros: "Wheels up to wheels down took under 20 minutes."
Cons: "I'm 6'4" and if I would've had to sit on that plane much longer I would've been quite sore. Seats are small, space is exceedingly limited. But, it was a regional jet, so this was to be expected. Nonetheless, other airlines' regional jets haven't been quite so cramped."

Pros: "On time, boarded quickly, checked my carry on all the way through Tampa for me"

Pros: "The price"
Cons: "I was unable to board because I didn't see the boarding time. This should be available even if it is just an estimated time. This way if I am running late I know what time I have to be there."

Cons: "Departure from Chicago was delayed"

Cons: "The very very long delay"

Pros: "Check-staff was very gracious."

Pros: "No problems"
Cons: "Little bumpy but bad weather"

Pros: "Friendly service, nice and comfortable."

Pros: "Food was good"
Cons: "Dinner was served within 1 hr of takeoff and breakfast 1-2 hrs of landing. Nothing served inbetween. There was about 10-11 hrs of nothing. No drinks or snacks served. Very poor service in compairison to other international flights I have taken."

Pros: "Staff was very nice"
Cons: "Two flights, two delays."

Cons: "I cancelled it and it appears it didn't really cancel"

Cons: "Seats were not very comfortable."

Cons: "Was told I could sit next to my travel partner but when we went to check in at the boarding gate, we did not have seats together...."

Pros: ". We got back 30minutes early then schedule!"

Pros: "Pilot got is there 25 min early"

Pros: "Cost Ease of booking"
Cons: "delays (weather based )"

Pros: "On time."

Pros: "Everything else was fine"
Cons: "Not a lot of smiles"

Pros: "Still deciding"
Cons: "All flights were late."

Pros: "Quick check in!"

Cons: "Delayes"

Pros: "Piolet communication, safe smooth landing inspite of horible turbulence."
Cons: "4hr delay, late on serving snacks, small aircraft, no tv, no phone charge system in the seats like other airlines/planes has."

Pros: "Trip was on time and a good experience overall."
Cons: "No Coffee"

Cons: "Lack of comfortable space. :-("

Pros: "I like the complementary soda. The boarding groups system is smart."
Cons: "I don't care for the wifi options. Loud children."

Pros: "Excellent"

Pros: "On time"

Pros: "As pleasant as possible."
Cons: "Nothing negative to note."

Pros: "Attendant was attentive to her job."
Cons: "The aircraft is uncomfortable."

Pros: ".The attendant was caring and efficient."
Cons: "The boarding process seems to be a cluster of misguided sheep. The aircraft is uncomfortable even for us thinner patrons."

Cons: "The plane was just small and I'm a big guy."

Pros: "I was so comfortable and I got to sleep"

Pros: "Very friendly and great service. Gave us drinks twice."

Pros: "It was night time. The passengers were tired sleepy. I loved it. I needed that."
Cons: "Well what I don't like has nothing to do with the company. Turbulence, that's like a bumpy road with no bottom. Jesus!!!"

Pros: "The service for wheel chair people was excellent"

Read more about United Airlines
COVID-19 information

Safety measures for airlines flying from London to Illinois

Airlines flying from London to Illinois have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from London to Illinois

Mandatory masks

Masks required on board, masks provided on flights from London to Illinois

Social distancing seating

Middle seats unavailable to book on flights from London to Illinois

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from London to Illinois

Book cheap flights from London to Illinois

Recent round-trip flight deals

4/13
Tue
1 stop
United Airlines
4h 41m
YXU - ORD
4/17
Sat
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United Airlines
10h 26m
ORD - YXU
4/13
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2 stops
United Airlines
9h 07m
YXU - ORD
4/17
Sat
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United Airlines
14h 41m
ORD - YXU
4/13
Tue
1 stop
United Airlines
4h 41m
YXU - ORD
4/17
Sat
1 stop
United Airlines
10h 26m
ORD - YXU
4/13
Tue
1 stop
United Airlines
4h 41m
YXU - ORD
4/17
Sat
2 stops
United Airlines
14h 41m
ORD - YXU
4/13
Tue
2 stops
United Airlines
9h 07m
YXU - ORD
4/17
Sat
2 stops
United Airlines
14h 41m
ORD - YXU
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