United Airlines Flights to London
United Airlines Routes to London
Chicago to London
8 hr 30 min (Direct)
A good deal is under $500 roundtrip
Book 3-6 months in advance for the best fares, especially for summer travel. Midweek departures (Tuesday or Wednesday) tend to be 10-20% cheaper than weekend flights.
San Francisco to London
10 hr 30 min (Direct)
A good deal is under $600 roundtrip
Book 3-6 months in advance for the best fares. Traveling Tuesday through Thursday and avoiding peak summer months can save 20-30% compared to weekend or holiday departures.
Denver to London
9 hr 30 min (Direct)
A good deal is under $600 roundtrip
Book 3-6 months in advance for the best fares, especially for summer travel. Flying mid-week (Tuesday or Wednesday) can save 10-20% compared to weekend departures.
Washington D.C. to London
7 hr 15 min (Direct)
A good deal is under $500 roundtrip
Book 3-6 months in advance for the best fares. Departing mid-week (Tuesday or Wednesday) and flying into Heathrow from Dulles (IAD) often yields lower prices than Reagan National (DCA) connections.
Houston to London
9 hr 30 min (Direct)
A good deal is under $600 roundtrip
Book 3-6 months in advance for the best fares. Traveling Tuesday through Thursday can save 15-20% compared to weekend departures.
Honolulu to London
17 hr 30 min (1 Stop typical, via US mainland or connecting hub)
A good deal is under $900 roundtrip
Book 4-6 months in advance for best fares, especially for summer travel. Connecting through a US mainland hub (Los Angeles, San Francisco, or New York) often yields the most options and competitive pricing.
London Quick Facts
Best Time to Visit
May to September
Currency
British Pound (£)
Airport Transit
Heathrow Express train takes 15 mins from Heathrow Airport (LHR) to Paddington Station
Never Overpay for London
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Other Airlines Flying to London
British AirwaysVirgin AtlanticAmerican AirlinesAlaska AirlinesNorse Atlantic AirwaysDelta Air LinesEurostar (rail alternative often preferred)Air FranceAir CanadaWestJetQantasSingapore AirlinesEmirateseasyJetKLMLufthansaRyanairAer LingusAir India
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