Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Oulu from £240

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.
LHR — OUL
20 May — 27 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Oulu

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Oulu
Explore the most affordable flight options available from Heathrow to Oulu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 April 2026.

Sat 25/718:10
LHR
-
OUL
1 stop17h 25m
Finnair
Sat 8/822:15
OUL
-
LHR
1 stop12h 55m
Finnair
Deal found 19/4£307
Mon 20/421:05
LHR
-
OUL
2 stops14h 30m
Multiple Airlines
Sun 26/417:35
OUL
-
LHR
1 stop5h 05m
Multiple Airlines
Deal found 17/4£396
Thu 25/618:10
LHR
-
OUL
1 stop17h 25m
Finnair
Sun 28/605:40
OUL
-
LHR
1 stop8h 55m
Finnair
Deal found 16/4£404
Mon 20/407:30
LHR
-
OUL
1 stop14h 20m
Finnair
Sun 26/417:35
OUL
-
LHR
1 stop5h 05m
Finnair
Deal found 17/4£431
Fri 9/1007:30
LHR
-
OUL
1 stop7h 25m
Finnair
Mon 12/1007:25
OUL
-
LHR
1 stop9h 45m
Finnair
Deal found 18/4£435
Fri 9/1006:45
LHR
-
OUL
2 stops16h 15m
British Airways
Mon 12/1005:40
OUL
-
LHR
1 stop5h 30m
British Airways
Deal found 18/4£560
Thu 25/606:55
LHR
-
OUL
2 stops16h 05m
British Airways
Sun 28/605:40
OUL
-
LHR
1 stop8h 55m
British Airways
Deal found 19/4£610

Find flight deals from Heathrow to Oulu

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Oulu (OUL). 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 20 April 2026.

Round-trip from

£307

One-way from

£240

Popular in

August

Cheapest in

April

Average price

£251
Finnair
  • Finnair
  • 25/7-8/8
  • 2 total stops
  • 30h 20m total
  • London to Oulu
Search Deals
Finnair
  • Finnair
  • 8/5
  • 1 total stop
  • 12h 35m total
  • London to Oulu
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£8 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 Heathrow to Oulu 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 20 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Oulu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonOulu

LHR - OUL

LHROUL

London Heathrow

Sat 25/7

18:10-13:35

1 stop17h 25m

Oulu

Sat 8/8

22:15-09:10

1 stop12h 55m

£307

LondonOulu

LHR - OUL

LHROUL

London Heathrow

Thu 25/6

18:10-13:35

1 stop17h 25m

Oulu

Sun 28/6

05:40-12:35

1 stop8h 55m

£404

LondonOulu

LHR - OUL

LHROUL

London Heathrow

Sat 25/7

18:10-13:35

1 stop17h 25m

Oulu

Sat 8/8

05:00-22:00

2 stops19h 00m

£431
Fastest return journey

LondonOulu

LHR - OUL

LHROUL

London Heathrow

Fri 9/10

07:30-15:30

1 stop6h 00m

Oulu

Mon 12/10

05:40-17:05

1 stop13h 25m

£435

LondonOulu

LHR - OUL

LHROUL

London Heathrow

Fri 9/10

06:45-01:00

2 stops16h 15m

Oulu

Mon 12/10

05:40-09:10

1 stop5h 30m

£560

LondonOulu

LHR - OUL

LHROUL

London Heathrow

Thu 25/6

06:55-01:00

2 stops16h 05m

Oulu

Sun 28/6

05:40-12:35

1 stop8h 55m

£611
Cheapest one-way
Fastest single journey

LondonOulu

LHR - OUL

LHROUL

London Heathrow

Fri 8/5

16:10-06:45

1 stop12h 35m

£240

LondonOulu

LHR - OUL

LHROUL

London Heathrow

Fri 8/5

16:45-21:35

2 stops26h 50m

£425

LondonOulu

LHR - OUL

LHROUL

London Heathrow

Fri 8/5

22:15-16:55

2 stops16h 40m

£466

LondonOulu

LHR - OUL

LHROUL

London Heathrow

Fri 8/5

20:00-17:55

2 stops19h 55m

£466

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Sorted by cheapest first

Best time to book a flight from Heathrow to Oulu

Have a flexible travel schedule? Discover the best time to fly to Oulu from Heathrow 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 London Heathrow Airport to Oulu

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

Reviews of airlines servicing Oulu

Get insights into the airlines that provide service to Oulu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oulu. Reviews last updated 20 April 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Oulu, such as Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.7
Good
1,390 reviews
Check prices

Food

6.7

Comfort

7.4

Overall

7.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space
Finnair
7.7
Good
1,390 reviews
Finnair
7.7
Good
1,390 reviews
Check prices

Food

6.7

Comfort

7.4

Overall

7.7

Boarding

7.7

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

HEL - KAO

It’s a small plane with minimal service and luggage space

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Oulu. 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 into for flights to Oulu from London Heathrow?

    Oulu (OUL) is the airport you will fly into if you book a flight from London Heathrow to Oulu. You should not have trouble finding flights to Oulu from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Oulu airport from London Heathrow. It is only a 6.5 mi journey from Oulu (OUL) to Oulu’s city center.

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

    A quick flight from London Heathrow Airport to Oulu can take about 17h 25m. Finnair provides one of the quickest options available for as low as £307. There are 1303 mi between London Heathrow Airport and Oulu.

  • What is the cheapest airline to fly from London Heathrow Airport to Oulu round-trip?

    Flying on Finnair is currently your cheapest option to Oulu, with prices starting at £244. Finnair is priced at 27% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

See more FAQs

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.

Top airline flying from Heathrow to Oulu

Discover the top airline that operate flights from Heathrow to Oulu. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 April 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£244Average£345FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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 Heathrow to Oulu?

When you search for this flight from Heathrow to Oulu, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Oulu by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Oulu from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Oulu from Heathrow today and book when prices fit your budget.

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.