Find flights
When to book
FAQs

Cheap flights from Redmond to London Heathrow Airport from £285

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — LHR
25 May — 1 Jun1
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 25 April 2026.

Sun 6/1218:48
RDM
-
LHR
1 stop33h 12m
United Airlines
Wed 9/1209:00
LHR
-
RDM
2 stops21h 54m
United Airlines
Deal found 20/4£562
Mon 16/1118:48
RDM
-
LHR
1 stop33h 12m
United Airlines
Thu 19/1109:00
LHR
-
RDM
2 stops21h 54m
United Airlines
Deal found 22/4£607
Tue 29/912:30
RDM
-
LHR
1 stop19h 05m
KLM
Wed 14/1011:45
LHR
-
RDM
2 stops19h 01m
KLM
Deal found 24/4£651
Tue 29/917:20
RDM
-
LHR
2 stops18h 50m
Delta
Wed 14/1009:55
LHR
-
RDM
2 stops20h 51m
Delta
Deal found 24/4£654
Mon 16/1111:58
RDM
-
LHR
1 stop16h 22m
Alaska Airlines
Thu 19/1114:45
LHR
-
RDM
1 stop14h 27m
Alaska Airlines
Deal found 22/4£659
Fri 11/914:43
RDM
-
LHR
2 stops59h 27m
United Airlines
Wed 30/908:40
LHR
-
RDM
2 stops21h 47m
United Airlines
Deal found 20/4£662
Tue 8/914:30
RDM
-
LHR
1 stop16h 35m
Multiple Airlines
Thu 8/1009:50
LHR
-
RDM
1 stop19h 22m
Multiple Airlines
Deal found 21/4£672
Tue 8/912:30
RDM
-
LHR
2 stops21h 10m
Scandinavian Airlines
Thu 17/919:30
LHR
-
RDM
2 stops29h 09m
Scandinavian Airlines
Deal found 23/4£676

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 25 April 2026.

Round-trip from

£762

One-way from

£285

Popular in

December

Cheapest in

February

Average price

£662
United Airlines
  • United Airlines
  • 13/5-20/5
  • 3 total stops
  • 39h 21m total
  • Redmond to London
Search Deals
Delta
  • Delta
  • 15/10
  • 2 total stops
  • 20h 00m total
  • Redmond to London
Search Deals
Highest demand for flights based on searches. 38% potential increase in price (£385 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£92 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 25 April 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

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Tue 29/9

17:20-20:10

2 stops18h 50m

London Heathrow

Wed 14/10

09:55-22:46

2 stops20h 51m

£654

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Tue 1/9

12:30-15:35

1 stop19h 05m

London Heathrow

Mon 14/9

06:30-16:39

2 stops18h 09m

£688

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Mon 7/9

12:30-15:35

1 stop19h 05m

London Heathrow

Tue 15/9

06:30-16:39

2 stops18h 09m

£695

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Mon 7/9

12:30-15:35

1 stop19h 05m

London Heathrow

Thu 17/9

06:30-16:39

2 stops18h 09m

£695

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Wed 9/9

05:55-08:50

2 stops18h 55m

London Heathrow

Thu 17/9

06:30-22:47

2 stops24h 17m

£698

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Sat 19/9

13:52-21:20

2 stops23h 28m

London Heathrow

Sat 3/10

13:05-11:48

2 stops30h 43m

£713

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Fri 25/9

12:30-18:30

3 stops22h 00m

London Heathrow

Sun 4/10

06:40-22:47

3 stops24h 07m

£754

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Wed 9/9

17:20-15:35

1 stop14h 15m

London Heathrow

Sun 20/9

10:55-23:32

1 stop20h 37m

£754

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Fri 25/9

17:20-20:10

2 stops18h 50m

London Heathrow

Sun 4/10

06:30-16:39

2 stops18h 09m

£773
Fastest return journey

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Thu 10/9

17:20-15:35

1 stop14h 15m

London Heathrow

Mon 14/9

17:45-22:47

1 stop13h 02m

£791

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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, February is the cheapest month in which you can book a flight from Redmond to London Heathrow Airport (average of £543). Flying from Redmond to London Heathrow Airport in December is currently the most expensive (average of £2,198). 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.

How much does it cost for a return flight from Redmond to London Heathrow Airport?

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 Delta and KLM fly from Redmond to London Heathrow Airport in about 18h 50m. The time it takes to get you to your destination can typically vary by up to 15m. 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, February is the cheapest month in which you can book a flight from Redmond to London Heathrow Airport (average of £543). Flying from Redmond to London Heathrow Airport in December is currently the most expensive (average of £2,198). 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
Hounslow
Northampton
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Redmond to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Redmond today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Redmond to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Redmond by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Redmond to Heathrow with no change fees?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.