Find cheap flights from London to Florida Keys

Cons: "Still haven’t left after two maintenance issues on two different planes, one of which aborted takeoff."

Pros: "Finally a flight with kind flight attendants. Very helpful and warm. Thank you to the whole crew."
Cons: "The inflight entertainment was confusing to use and Internet was way too costly."

Pros: "Crew amazing, space great."
Cons: "Security line"

Pros: "Plane arrived on time"

Pros: "Friendly, quick and easy check in."

Pros: "Spacious first class seating with full reclining bed."
Cons: "Nothing to dislike."

Pros: "I like that the Captain made the announcements and updates himself."
Cons: "Repeated maintenance delays that appeared to be never ending. Captain and Crew gave good, fairly honest updates, but they were unable to source another aircraft and got lucky that the maintenance crew was able to fix it. Our row (32 DEF) was even narrower than the other rows and there were no outlets available for charging onboard."

Pros: "I had a great experience flying with United Airlines right from the moment I boarded the plane. The flight crew welcomed me (not that I expected them to do), the crew were very nice and in positive attitude. But above all, I loved the flight information videos on my screen. They were very informative, very entertaining and engaging, and funny. I think United Airlines did a great job creating these in-flight videos."
Cons: "Alcoholic beverages were expensive on board the plane."

Cons: "Boarded early, would not let me bring my bag on. Said overhead was full. When I got on the plane there was plenty of overhead bin space."

Pros: "Seating"
Cons: "We were delayed to no fault of the airline"

Pros: "Everything went like clockwork"

Pros: "Seats comfortable. Easy boarding."
Cons: "United couldn’t seem to get gas in the airplane and we had delayed departure from DFW. Upon arrival to Chicago we taxied for 22 minutes to the gate causing rushed connection to Munich. Baggage did not arrive at Munich so now we have no luggage."

Pros: "Better comfortable seats. And snack options"

Pros: "Left 5 minutes early and landed 45 minutes early!"

Pros: "Mostly a good experience."
Cons: "The WiFi and TV touchscreen were broken and some of the crew were a bit short with me when I was trying to order snacks and drinks during the flight."

Pros: "Excellent service. On time. No complaints"
Cons: "Was great"

Pros: "Flight left and landed on time. In flight entertainment worked."
Cons: "In flight food made me sick later in the flight."

Pros: "Nothing"
Cons: "Missed connection flight to Honolulu because of sand storm, customer service was horrible. Next available flight 14 hours later the following morning"

Pros: "Boarding was great and the in flight food and beverages were great. The choice of entertainment was awesome."
Cons: "Nothing"

Pros: "We arrived on time"
Cons: "The ticket clerk up charged me stating that my carry on was over weight and insisted the bag be checked. When I inquired why, the ticketing agent became indifferent stating that they would not issue a boarding pass because they were not dealing with questions. Had to pay and pacify the agents rudeness or be denied a pass. What happened to this airline?"

Pros: "At gate, staff generously gave me priority boarding because I'm pregnant."
Cons: "We couldn't access the inflight entertainment because we didn't have the United App and you can't download it once the flight has started (flight was operated by United)."

Pros: "I was able to get the next flight on standby"
Cons: "I was told at check in to go to the wrong security point, which caused me to miss boarding my original flight."

Pros: "The crew on the plane were nice."
Cons: "You cancelled my flight when I was in chicago to cincinnati United did not offer me anything no hotel, money back nothing and I had to be somewhere very important I didn't have my thing because it was in my suitcase which i didn't get till sunday. Ended up renting a car and driving the rest of the way. Never offer anything to help me. Then United messed up my plane ticket on my way back home almost miss my flight."

Pros: "food, entertainment"
Cons: "wifi"

Pros: "Trip OK."
Cons: "If you need to cancel a flight wit Air Canada or Southwest you will have one year to use the cost of your flight as a credit. You must to be completely sure to fly with United. If you have to cancel, NO refund will be made. I try to change my flight to Canada and they impose a PENALTY of $200 per passenger!! (almost the price of each ticket). So, avoid United, unless you have no other choice."

Cons: "In order to upgrade to economy plus or first class, it would have cost more than my round trip flight. Flight left late and arrived late."

Pros: "From the start our trip was awesome. Everyone from the shuttle driver to the pilots to the ground crew the flight crew Etc were extremely friendly and very very helpful. I was traveling with a first-time flyer and he was impressed extremely impressed this is the second time this year that I've flown with United and I will continue to fly United thanks to all of you for help making this trip perfect"

Cons: "Flight was delayed several times which meant I would miss my connecting flight. Rebooking was challenging and took over an hour. After it was supposedly rebooked on another airline, I couldn't check in because it wasn't booked correctly. Now sitting in airport for the last 10 hours and have another 5 hours until my flight. Not happy."

Pros: "Rate was very good and the time of the flight was perfect! Non-stop and all."

Pros: "Very friendly"

Cons: "i booked my flight on Kayak and immediately been cancelled dunno why"

Pros: "Smooth travels. Good price"

Pros: "There was a particular flight attendant that really went the extra mile for everyone. I wish I knew her name but she had blonde hair and wore glasses, I've never seen a more sincere flight attendant."
Cons: "My seats! I was in the very last row right in front of bathroom"

Pros: "Excellent as expected."

Pros: "Very nice and clean plane with TV on individual seat. Food and wine were fantastic. English crew was friendly and pleasant. They worked hard to attend to passenger's needs."
Cons: "Food and service"

Cons: "Delay delay 6 hours after the severe weather as I was transferred to American Airlines"

Cons: "No free wifi. No free entertainment. Smaller than a kids small fruit snack bag of trail mix for a 4+ hour flight. Gate issues delaying our boarding-resulting in late take off.- and delayed transit home to last available route of the night- thank goodness!"

Pros: "It was a very well ran flight, both fights were what you would expect from an airline service. Overall satisfied."

Pros: "Crew was nice and overall flight was good"
Cons: "Flight was delayed by about the same length of time the flight itself took"

Pros: "Terrible experience Had to attend wedding ceremony.... Gave me wrong informations all the way to receive. Luggages."
Cons: "For economy class Why UA does' board from back seats, they make 5 groups and starts from group 1 but it makes cloudy all isles. If starts from group 5 , faster to finish boarding time"

Pros: "The United crew were extremely pleasant and helpful"
Cons: "Lufthansa's website was confusing and their agents contradicted one another as we unsuccessfully attempted to reserve seats. No in flight entertainment was available"

Pros: "Glad to have movies on such a long flight. Thank you staff."
Cons: "The loud obnoxious goofus behind me. Really really need to put chair back 2 more notches. Sleeping upright is not comfy."

Cons: "Excellent 5 star"

Pros: "On point"
Cons: "Excellent"

Cons: "We had a two and half hour wait for the plane and no one could tell me anything"

Cons: "crew members could have been friendlier"

Pros: "There was finally a personal screen on this 15 hours flight, unlike the previous."
Cons: "Food options on this particular flight was not as good as other United flights. There was a crew member who refused to help a traveller up her bag in the overhead storage compartment because "you packed it your self, so you should be able to put it up your self". It wasn't a unreasonable request to begin with...."

Cons: "Service. Flight attendant negative attitude and disrespect for customers."

Pros: "Flight crew very professional and pleasant. Flight departed on time and arrived ahead of schedule."
Cons: "Nothing at all. Very good experience."