Cheap Flights from Redmond (RDM) to London (LOND)

Travelers and cabin class

Compare Redmond to London flight deals

Find the cheapest month or even day of the year to fly to London

Book the best London fare with no extra fees

Find the cheapest month to fly from Redmond to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Redmond to London flights are currently cheapest in August.

Alternative Redmond to London routes

Looking for the cheapest, fastest or easiest route from Redmond to London? You could fly into the following airports instead.

Redmond to London: Flight information

The things to know before you go.
Cheapest flight found$274
Cheapest month to flyAugust

Finding cheap flights from Redmond to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a round-trip flight from Redmond to London is $655. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Redmond to London. But we found flights with one or more stops from $655.
There are no flights flying from Redmond to London, as of May 2025.
The cheapest month to fly from Redmond to London is usually May 2025.
If you're flying from Redmond Airport, the cheapest airport near London is London Gatwick – which is 25.1 miles away from the center of London. We've found flights to this airport from $655.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Redmond Airport to London on Monday, August 11, 2025.
No airlines currently offer direct flights between Redmond Airport and London. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 53°F. August is typically the warmest month in London, when it usually averages around 72°F. You can expect the least rain in March. The coldest month is January, with temperatures averaging 35°F. The rainiest month is October.
Currently, Alaska Airlines offers the cheapest flight tickets to London.

Flying from Roberts Field Airport (RDM) to London: what you need to know

  • London is seven hours ahead of Redmond, where Roberts Field Airport is located. London observes the UTC+0 timezone.

  • To avoid rushing for your RDM to London flight, allow plenty of time to check in and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general rule.

  • If you're jetting off during a major holiday or another peak period, allow extra time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

  • Consider adding a stopover to potentially unlock a cheaper plane ticket from RDM to London. Simply uncheck 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these popular options:

    • Denver International Airport (DEN)

    • Seattle-Tacoma International Airport (SEA)

    • San Francisco International Airport (SFO)

  • The journey from central Redmond to RDM takes around 50 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 2 miles in 10 minutes or so, depending on traffic conditions.

  • Planning to catch an early flight from Roberts Field Airport to London? Avoid the stress of rushing to the airport (and get some extra shut-eye) by choosing one of these hotels close to RDM:

  • Of all flights departing from Roberts Field Airport, 76.41% arrive on time at their destination.

How to find the cheapest flights from Roberts Field Airport (RDM) to London

  • $274 is currently the best price for a one-way Roberts Field Airport to London flight. A return plane ticket starts at $655. These prices can change based on availability and demand.

  • Don't wait until the last moment. You're more likely to pick up cheap flights from RDM to London if you book in advance. Airlines often have some fantastic early bird deals.

  • If you're flexible with your travel plans, try using the 'Whole month' search tool. It'll give you the cheapest price across each month when looking for a Roberts Field Airport to London ticket.

  • Picking up a cheap flight from RDM to London is a breeze with Price Alerts. Simply set up one of these automatic notifications and we'll get in touch when the price has dropped.

  • Tailor your trip with filters. Select your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Roberts Field Airport to London.

Airports in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) is around 19 miles from central London. If you're getting a cab or a ride-share, the drive takes about 55 minutes.

  • Traveling on public transport typically takes 1 hour.

  • If you're coming in on a late flight from Roberts Field Airport to London, nothing beats the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and relaxing not long after at one of these accommodation options near LHR:

  • Hit the road running by picking up a London Heathrow Airport rental car. Grab a set of wheels from Surprice, U-Save or Green Motion and explore beyond London's main sights.

  • For the lowest price, reserve your ride from London Heathrow Airport around one week ahead of your flight from RDM to London.

London Gatwick Airport (LGW)

  • London Gatwick Airport (LGW) is about 50 miles from the center of London. Following your flight from Roberts Field Airport to London, it'll take you around 1 hour 20 minutes to get to the heart of the city in a cab or ride-share.

  • You can expect the trip to take roughly 30 minutes on public transport.

  • Following your RDM to London flight, unwind at a hotel close to LGW. These are some comfortable options that'll help you switch to relaxation mode:

  • The quickest way to reach your destination is with a London Gatwick Airport rental car. Collect your wheels from Green Motion, U-Save or Drivalia and hit the road in a heartbeat.

  • Avoid last-minute price surges. Securing your ride three weeks ahead of your arrival at LGW can get you a lower rate.

Stansted Airport (STN)

  • Set your sights on the city center after your flight from Roberts Field Airport to London has touched down. Central London is about 40 miles from Stansted Airport (STN) and takes roughly 1 hour to reach by car.

  • The journey will take around 1 hour 25 minutes by public transport.

  • Reserve a hotel near STN and go from landing to lounging in your room in a flash. Whether you're arriving on a late RDM to London flight or just want to simplify your travel plans, these stays will have you settling in quickly:

  • Stay in control of the next part of your journey with a Stansted Airport rental car. Green Motion, Drivalia and Europcar will get you on the road.

  • Around four weeks ahead of your flight from Roberts Field Airport to London is a good time to secure your ride from STN. You're more likely to find a cheaper rate or catch some early booking discounts.

Best time to go to London

  • Travel to London in high season if you want a lively atmosphere, but remember that hotel prices may be higher. Alternatively, book your flights from Roberts Field Airport to London during the off-season when prices are cheaper and crowds are smaller.

  • Lock in a Roberts Field Airport to London plane ticket with a departure in July if you're eager to visit the city during its warmest month. You can expect temperatures to range from 52ºF to 79ºF.

  • For cooler conditions, search for a cheap ticket from RDM to London in January when temperatures average between 32ºF and 48ºF.

More about London

  • When it comes to searching for somewhere to lay your head, you'll find the most popular stays in London right here. Check out these options once you've booked your flight from Roberts Field Airport to London:

  • Every great adventure has to include a little sightseeing. The British Museum, Big Ben and Buckingham Palace are essential stops on your London itinerary.

Explore more of United Kingdom

  • London is easy to fall in love with, but there are so many other corners of United Kingdom just waiting to be discovered. About 100 miles north-west of London, a visit to Birmingham will keep you busy. Don't miss top attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • If you want to check out another corner of United Kingdom, consider Bristol, roughly 110 miles west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.