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Cheap flights to London

Round trips from 36 cities to London, United Kingdom, from $36. Economy, per person, in USD.

Prices updated

Cheapest right now $36 from Dublin · Oct 17 – 22 Book this fare
Cheapest month October From $36 (Dublin)
Departure cities 36 20 are below the usual price
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Flights to London by departure city

Cheapest round trip, per person

Cheapest month to fly to London

Lowest round trip per departure month, any of our cities
Cheapest round trip to London by departure month
MonthCheapest round trip
September 2026$143 from Edinburgh
October 2026$36 from Dublin (cheapest month)
November 2026$41 from Edinburgh
December 2026$69 from Glasgow
January 2027$57 from Dublin
February 2027$68 from Edinburgh
March 2027$159 from Istanbul
April 2027$104 from Glasgow
May 2027$89 from Edinburgh
June 2027$98 from Edinburgh
July 2027$247 from Istanbul
August 2027$258 from Istanbul

Cheapest dates to London

Best date pair from each city
  • Oct 17 – 22 from Dublin · 5 nights
    $36
    Ryanair Nonstop
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  • Nov 6 – 8 from Edinburgh · 2 nights
    $41
    Ryanair UK Nonstop
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  • Oct 16 – 19 from Glasgow · 3 nights
    $42
    Ryanair UK Nonstop
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  • Oct 7 – 11 from Istanbul · 4 nights
    $138
    Wizz Air UK Nonstop
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  • Oct 24 – 31 from Washington · 7 nights
    $395
    Icelandair 1 stop
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  • Dec 2 – 9 from New York · 7 nights
    $404
    Turkish Airlines 2 stops
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  • Nov 7 – 21 from Seattle · 14 nights
    $422
    Icelandair 1 stop
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  • Nov 13 – 24 from Miami · 11 nights
    $480
    TAP Air Portugal 1 stop
    Book

Prices change often. The booking site shows the final price before you pay.

Things to do in London

Tickets and tours on Klook
See things to do in London Attractions, tours and airport transfers on Klook

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Airport transfer to London

Fixed prices from LHR on Kiwitaxi

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Flights to London: questions

Which city has the cheapest flights to London?

Right now it's Dublin: round trips from $36 (Oct 17 – 22, nonstop). Next cheapest: Edinburgh from $41 and Glasgow from $42. We compare 36 departure cities.

What is the cheapest month to fly to London?

October 2026: the cheapest round trip we have found departing that month is $36. The most expensive month in our data is August, where the cheapest round trip is $258. Based on the 12 months ahead we track.

Are there nonstop flights to London?

Yes. We have found nonstop round trips from Dublin, Edinburgh, Glasgow and Istanbul. The cheapest is $36 from Dublin.

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About these prices

We track round-trip economy fares to London (United Kingdom) from the cities listed above using Travelpayouts / Aviasales data, and refresh every route about once a day. The cheapest round trip we've found is $36 from Dublin. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.

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