Cheap flights from Redmond (SEA) to London (LON)

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The best prices from Redmond to London are usually found in October or January, booked 60 days in advance, depart on a Tuesday or Monday and return on a Tuesday

How to find the cheapest flight from
Redmond (SEA) to London (LON)

SEA - LON
Price
$487 - $787
LON
Temperature
48.2 - 73.4 °F
LON
Rainfall
1.4 - 2.8 inches

Popular in

December

High demand for flights, 27% potential price rise

Cheapest in

October

Best time to find cheap flights, 15% potential price drop

Round-trip from

$487

From Redmond to London

One-way from

$365

One-way flight from Redmond to London

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Redmond to London?

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to London. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Redmond to London?

Travelers have found it’s best to book a flight 61 days in advance to save up to 44% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Redmond to London 1-2 weeks in advance for as low as $910, or $1,146 for flights within the next 24 hours.

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

The best pricing can be found in the month of October. Prices to London from Redmond average $714. You can even find prices in October for less than $714, as users have found deals to London from as low as $445. The month of July appears to be one of the more expensive times to travel to London from Redmond. Flying in the targeted month can save you up to 31%.

When is the cheapest time to fly from Redmond to London (SEA - LON)?

A simple way to save on the total cost of your ticket is to fly from Redmond to London in the morning. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the evening.

Cheap flights from Redmond to London in March, April 2021

20 Apr - 27 Apr
$595pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
19 Apr - 30 Apr
$599pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
27 Apr - 4 May
$614pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Redmond to London 2021 flight deals

20 Apr - 27 Apr
$595pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
19 Apr - 30 Apr
$599pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
17 May - 25 May
$606pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Non-stop flights to London from Redmond

30 Mar - 20 Apr
$830pp
SEA
Seattle/Tacoma Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
SEA
Seattle/Tacoma Intl
7 Apr - 7 May
$832pp
SEA
Seattle/Tacoma Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
SEA
Seattle/Tacoma Intl
9 Apr - 20 Apr
$842pp
SEA
Seattle/Tacoma Intl
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Redmond to London

13 Mar - 20 Mar
$917pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
10 Mar - 14 Apr
$936pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
14 Mar - 28 Apr
$958pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
American Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

One-way flights to London from Redmond

6:00 am - 7:50 am
Air Canada
1 Stop
17h 50m
SEA - LHR
Air Canada
$365
FlyFar
11:50 am - 4:20 pm
Icelandair
1 Stop
20h 30m
SEA - LHR
Icelandair
$381
Flights by SU
3:30 am - 7:25 am
WestJet
2 Stops
19h 55m
SEA - LGW
WestJet
$397
CheapFlights

Related info for your journey

Flight FAQs

From Redmond to London

Are flight prices decreasing from Seattle to London due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and London for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to London to control the spread of COVID-19?

New policies can now be found on Delta to help keep travelers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Seattle/Tacoma Intl to London. Policies will vary by airline.

Which airlines flying from Seattle/Tacoma Intl to London have flexible cancellations due to COVID-19?

Delta, Virgin Atlantic, and British Airways are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Redmond to London for under $600 on Cheapflights?

Yes, there are multiple flights from Redmond to London for under $600. The cheapest flight booked recently is on Multiple Airlines for just $595, but on average you can expect to pay $642.

Are there nonstop flights from Redmond to London for under $900 on Cheapflights?

Cheapflights has at least 20 direct flights from Redmond to London under $900. A good price for a nonstop flight from Redmond to London is less than $866.

Are there last-minute flights available from Redmond to London for under $1,000?

There are currently 20+ open flights from Redmond to London within the next 7 days for less than $1,000.

Is Seattle weather warmer or cooler than London?

Expect the weather to be around 77 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in London is generally colder than in Seattle.

How long is the flight from Redmond to London?

A quick flight from Redmond to London can take about 11h 55m. Virgin Atlantic provides one of the quickest options available for as low as $888.

What are the cheapest airlines to fly from Redmond to London one-way?

One-way options have recently been found by users for as low as $357 on WestJet. Other airlines that offer cheap prices include Air Canada from $365 and Icelandair from $381 one-way.

Destination information for London

Today's exchange rate
$1 = £0.72
Average temperature for March in London
53.6 °F
Avg rainfall for March in London
1.4 ″

Airports servicing Seattle

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Top 10 airlines flying from Redmond to London

Airline Cheapest Average Flexibility On-time COVID-19 safety
Air France
$414 $583 No cancel fee 77%
Lufthansa
$378 $592 No cancel fee 76%
KLM
$415 $609 No cancel fee 75%
Air Canada
$373 $633 No cancel fee 67%
Norwegian Air UK
$377 $635 No cancel fee N/A
United Airlines
$407 $642 No cancel fee 69%
Norwegian
$403 $697 No cancel fee 74%
American Airlines
$415 $735 No cancel fee 71%
Finnair
$335 $853 No cancel fee 76%
Austrian Airlines
$438 $877 No cancel fee 78%

Hourly flight availability from Redmond to London

Afternoon Noon to 6 PM 100% of SEA to LON departures
Early morning Midnight to 6 AM 0% of SEA to LON departures
Morning 6 AM to noon 0% of SEA to LON departures
Evening 6 PM to midnight 0% of SEA to LON departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Redmond to London
Sunday
3 daily flights
Monday
3 daily flights
Tuesday
0 flights
Wednesday
5 daily flights
Thursday
0 flights
Friday
5 daily flights
Saturday
0 flights
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