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Cheap flights from Washington to London

One-way from $232, found by travellers in the last 7 days. Aviasales checks the live price.

Departure
Return
Prices for nearby dates
Sun, Oct 11Any priceMon, Oct 12Any priceTue, Oct 13Any priceWed, Oct 14$232Thu, Oct 15$309Fri, Oct 16$325Sat, Oct 17$252Sun, Oct 18Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest
$232
Frontier Airlines, flight F9 2309Found 5 days ago, 1 adult
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7:05pmWashingtonWed, Oct 14
Travel time 10h 59m, 1 stopBWILGW
11:04amLondonThu, Oct 15
$252
Frontier Airlines, flight F9 4003Found 7 days ago, 1 adult
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9:52pmWashingtonSat, Oct 17
Travel time 10h 56m, 1 stopBWILGW
1:48pmLondonSun, Oct 18
$309
Icelandair, flight FI 640Found 4 days ago, 1 adult
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11:20pmWashingtonThu, Oct 15
Travel time 9h 5m, 1 stopBWILHR
1:25pmLondonFri, Oct 16
$324
Icelandair, flight FI 644Found 7 days ago, 1 adult
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7:40pmWashingtonMon, Nov 2
Travel time 9h, 1 stopIADLHR
9:40amLondonTue, Nov 3
$325
jetBlue, flight B6 254Found 3 days ago, 1 adult
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6:10amWashingtonFri, Oct 16
Travel time 8h 9m, 1 stopDCALHR
7:19pmLondonFri, Oct 16

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in United KingdomTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in London, booked ahead at a fixed price.
    See options
  • Things to do in LondonPopular tours from $51.11 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for United Kingdom from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Delayed or cancelled? With a UK or EU airline you may be owed up to £520 per person under UK261.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu1234$4995–6–7–8$3779–10–11–12–13–14$23215$30916$32517$25218–19–20–21–22–23–24–25–26–27–28–29–30–31–

November 2026

MoTuWeThFrSaSu1–2$3243–4–5–6–7–8–9–10–11–12–13–14–15–16–17–18–19–20–21–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–345678910111213141516171819202122232425262728293031
$252 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Oct 14, $232.

Lowest fares by month

In the fares found this week, October has the lowest: from $274 one-way, against $359 in September 2027. Pick a month to see its cheapest date.

$0$200$400$274OctNovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$274Wed, Oct 141 stop
November$324Mon, Nov 21 stop
December—
January 2027—
February 2027—
March 2027—
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027$359Thu, Sep 161 stop

Questions travellers ask

What is the cheapest month to fly from Washington to London?

In the fares found this week, October has the lowest: from $274 one-way, against $359 in September 2027.

Are there direct flights from Washington to London?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

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