Cheap flights from Redmond to London Heathrow Airport from £291

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — LHR
13 Apr — 20 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Redmond to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Redmond to Heathrow
Explore the most affordable flight options available from Redmond to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 March 2026.

Sat 7/1108:00
RDM
-
LHR
1 stop20h 20m
Alaska Airlines
Wed 11/1114:45
LHR
-
RDM
1 stop30h 00m
Alaska Airlines
Deal found 12/3£635
Tue 11/813:56
RDM
-
LHR
1 stop17h 09m
American Airlines
Mon 24/815:05
LHR
-
RDM
1 stop15h 55m
American Airlines
Deal found 13/3£644
Wed 22/414:50
RDM
-
LHR
1 stop16h 15m
Multiple Airlines
Wed 6/516:10
LHR
-
RDM
1 stop15h 13m
Multiple Airlines
Deal found 13/3£651
Tue 28/410:44
RDM
-
LHR
2 stops16h 11m
American Airlines
Tue 5/508:20
LHR
-
RDM
1 stop23h 06m
American Airlines
Deal found 13/3£655
Sat 26/912:30
RDM
-
LHR
3 stops20h 30m
Scandinavian Airlines
Sat 3/1006:40
LHR
-
RDM
2 stops17h 59m
Scandinavian Airlines
Deal found 13/3£660
Sat 19/911:58
RDM
-
LHR
1 stop17h 47m
Multiple Airlines
Sat 3/1008:20
LHR
-
RDM
1 stop22h 40m
Multiple Airlines
Deal found 13/3£682
Wed 22/412:33
RDM
-
LHR
1 stop13h 27m
KLM
Wed 6/506:30
LHR
-
RDM
2 stops18h 31m
KLM
Deal found 9/3£688
Mon 27/414:50
RDM
-
LHR
1 stop16h 15m
Multiple Airlines
Mon 4/516:10
LHR
-
RDM
1 stop15h 13m
Multiple Airlines
Deal found 13/3£689
Tue 28/406:22
RDM
-
LHR
1 stop19h 53m
American Airlines
Sun 3/515:05
LHR
-
RDM
1 stop16h 21m
American Airlines
Deal found 12/3£690
Wed 22/405:00
RDM
-
LHR
2 stops17h 30m
United Airlines
Wed 6/508:40
LHR
-
RDM
2 stops20h 09m
United Airlines
Deal found 9/3£691

Find flight deals from Redmond to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Redmond (RDM) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 March 2026.

Round-trip from

£651

One-way from

£291

Popular in

December

Cheapest in

February

Average price

£699
22/4-6/5
  • 22/4-6/5
  • 2 total stops
  • 31h 28m total
  • Redmond to London
8/5
  • 8/5
  • 3 total stops
  • 54h 02m total
  • Redmond to London
Highest demand for flights based on searches. 36% potential increase in price (£383 potential increase over avg. return price).
Cheapest flight prices on average. 16% potential price decrease (£94 potential savings vs. average return price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Redmond to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 March 2026.
Use the filters below to find and compare flights from Redmond to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Mon 27/4

14:50-15:05

1 stop16h 15m

London Heathrow

Mon 4/5

16:10-23:23

1 stop15h 13m

£689

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Wed 22/4

05:00-06:30

2 stops17h 30m

London Heathrow

Wed 6/5

08:40-20:49

2 stops20h 09m

£691

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Thu 23/4

11:35-15:35

1 stop20h 00m

London Heathrow

Thu 30/4

06:30-17:01

2 stops18h 31m

£717

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Wed 22/4

05:45-07:10

2 stops17h 25m

London Heathrow

Wed 6/5

11:45-23:47

2 stops20h 02m

£730

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Tue 28/4

06:05-12:10

1 stop22h 05m

London Heathrow

Sun 3/5

06:30-23:06

2 stops24h 36m

£764

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Tue 28/4

05:00-06:30

2 stops17h 30m

London Heathrow

Sun 3/5

07:25-18:03

2 stops18h 38m

£766
Cheapest one-way
Fastest single journey

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Wed 15/4

12:57-09:40

1 stop12h 43m

£401

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Tue 31/3

05:00-08:20

2 stops19h 20m

£401

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Sun 29/3

05:30-09:40

2 stops20h 10m

£401

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Mon 27/4

14:50-15:05

1 stop16h 15m

£409

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 13 resultsSorted by cheapest first
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Best time to book a flight from Redmond to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Redmond with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Redmond to London Heathrow Airport

What is the cheapest month to book a flight from Redmond to London Heathrow Airport?

Currently, September is the cheapest month in which you can book a flight from Redmond to London Heathrow Airport (average of £517). Flying from Redmond to London Heathrow Airport in January is currently the most expensive (average of £1,214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Redmond to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Redmond to London Heathrow?

    Most people fly from Bend/Redmond (RDM) if they book a flight from Redmond to London Heathrow. On average, Bend/Redmond has 0 outbound flights to London Heathrow per day from 0 airlines. Bend/Redmond is conveniently located just 1.8 mi from Redmond’s city center.

  • How long is the flight from Redmond to London Heathrow Airport?

    Airlines like KLM, United Airlines, and Delta fly from Redmond to London Heathrow Airport in about 13h 27m. The time it takes to get you to your destination can typically vary by up to 4h 03m. Airlines will cover a distance of 4933 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Redmond to Heathrow that include hotel bookings?

    Yes. In addition to deals on Redmond to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Redmond to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Redmond to Heathrow.

  • Can I find deals for business class flights from Redmond to Heathrow?

    Yes. Cheapflights offers flight deals from Redmond to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Redmond to London Heathrow Airport?

    Currently, September is the cheapest month in which you can book a flight from Redmond to London Heathrow Airport (average of £517). Flying from Redmond to London Heathrow Airport in January is currently the most expensive (average of £1,214). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Swindon
Bedford

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Redmond to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Redmond to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Redmond to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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