Compare hundreds of airlines in one search to find the lowest fare to London, plus the cheapest months to fly and the best things to do across the city.
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Overview
London is the most-connected transatlantic destination from the US, served by multiple airports and a long list of carriers. That competition means cheap flights to London are very findable, the key is comparing every airline and every London airport at once.
Use the search below to compare flexible dates across hundreds of airlines, check the pricing calendar for the cheapest windows, and book the tours and attraction tickets that make a London trip ahead of time.
When to go
London fares peak in summer and around the holidays, and fall sharply in the cooler, quieter winter months.
January to March and November (outside the holidays) bring the lowest transatlantic fares, when weather is cool and tourism slows.
June through August is high season with the best weather, the biggest crowds, and the highest fares and hotel rates.
Summer, Christmas, New Year, and Easter are peak. Book those 2 to 5 months ahead for the best transatlantic fares.
For flights to London, book roughly 2 to 4 months ahead. A price alert helps catch the frequent transatlantic fare sales.
Popular routes
Tap any route to see live fares to London from that city. Don't see yours? Use the search above for any departure airport.
Once you land
London's icons book up, and skip-the-line tickets are worth it. Day trips to nearby sights are easy to arrange ahead too.
The Tower of London, London Eye, and Westminster Abbey all offer skip-the-line tickets that save hours in peak season.
Classic sightseeing bus passes and Thames river cruises are easy to book ahead and cover the main sights.
Theatre tickets for West End shows are cheaper and better-seated when booked in advance.
Tours to Stonehenge, Bath, Oxford, and Windsor Castle leave daily from central London, transport included.
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