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Finnair flights from London Heathrow Airport to Dallas/Fort Worth Airport (LHR - DFW)

LHR — DFW
19 Apr — 26 Apr1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to Dallas on Finnair typically fly into Dallas/Fort Worth and depart from London Heathrow. Select your dates above for pricing.

Finnair flights from Heathrow to Dallas/Fort Worth in 2026

Find detailed information about Finnair flights from Heathrow to Dallas/Fort Worth. Explore the options provided by Finnair to plan your journey from Heathrow to Dallas/Fort Worth. Data last updated 20 March 2026.

One-way from

£555

Return from

£776

Popular in

July

Cheapest in

November

Average price (all airlines)

£788
Finnair
  • Finnair
  • 31/8
  • 1 total stop
  • 28h 55m total
  • London to Dallas
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Finnair
  • Finnair
  • 13/4-6/5
  • Nonstop
  • 19h 30m total
  • London to Dallas
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Highest demand for flights from London Heathrow to Dallas/Fort Worth; 9% potential price increase.
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Best time to find cheap flights from London Heathrow to Dallas/Fort Worth; 2% potential price drop.
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Average price for all London Heathrow to Dallas/Fort Worth flights (one-way and round-trip).
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  • How do most travelers feel about Finnair?

    The general consensus from 1,374 Cheapflights users is that Finnair is a 7.7/10. Select your travel dates above for updated prices on flights from London Heathrow Airport to Dallas/Fort Worth Airport (LHR-DFW).

  • Can I get a flight from London Heathrow Airport to Dallas/Fort Worth Airport on Finnair for under £822?

    Cheapflights users have found 9 Finnair flights for under £822 on the LHR-DFW route. Prices on flights to Dallas/Fort Worth Airport from London Heathrow Airport can vary based on many factors including dates. To look at price based on your preferred dates, click here.

Find Finnair flight deals from Heathrow to Dallas/Fort Worth

Enter your travel dates to find the best prices.

Cheapest Finnair flights from Heathrow to Dallas/Fort Worth
Explore the most affordable Finnair flight options available from Heathrow to Dallas/Fort Worth. Find the lowest fares with prices last updated on 20 March 2026.

Mon 13/410:05
LHR
-
DFW
Nonstop10h 15m
Finnair
Wed 6/516:40
DFW
-
LHR
Nonstop9h 15m
Finnair
Deal found 16/3£776
Tue 14/412:55
LHR
-
DFW
Nonstop10h 10m
Finnair
Tue 21/419:40
DFW
-
LHR
Nonstop9h 15m
Finnair
Deal found 15/3£800
Mon 20/412:55
LHR
-
DFW
Nonstop10h 10m
Finnair
Mon 4/519:40
DFW
-
LHR
Nonstop9h 15m
Finnair
Deal found 17/3£804

How far ahead should I book a flight from London Heathrow Airport to Dallas/Fort Worth Airport with Finnair?

Use this chart to determine the optimal time to book a return flight from Heathrow to Dallas/Fort Worth. Price data was last updated on 13 March 2026.

Booking with Finnair 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Dallas/Fort Worth Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Dallas/Fort Worth Airport with Finnair?

Currently, the most affordable month to book a Finnair flight from London Heathrow Airport to Dallas/Fort Worth Airport in September, with an average price of £388. Conversely, traveling with Finnair from London Heathrow Airport to Dallas/Fort Worth Airport in December will be the most expensive, with an average cost of £741. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Best time to book a flight from Heathrow to Dallas/Fort Worth

Have a flexible travel schedule? Discover the best time to fly to Dallas/Fort Worth 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.

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Fly from Heathrow to Dallas/Fort Worth on another airline

Consider alternative airlines that service the Dallas/Fort Worth area. Flight routes are based on user searches made on Cheapflights and were last updated on 20 March 2026.
British Airways flights from London Heathrow to Dallas/Fort Worth

See what others are saying about Finnair

Read reviews and see what other travellers are saying about their experiences with Finnair. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Finnair for your next flight. Reviews last updated 20 March 2026.
Finnair
7.7
Good
1,374 reviews
Check prices
Overview

Boarding

7.7

Comfort

7.5

Entertainment

6.9

Food

6.7

Crew

8.2

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