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

LON — DFW
8 Apr — 15 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 London to Dallas/Fort Worth in 2026

Find detailed information about Finnair flights from London to Dallas/Fort Worth. Explore the options provided by Finnair to plan your journey from London to Dallas/Fort Worth. Data last updated 9 March 2026.

One-way from

£510

Return from

£761

Popular in

August

Cheapest in

September

Average price (all airlines)

£778
Finnair
  • Finnair
  • 27/4
  • 1 total stop
  • 26h 55m total
  • London to Dallas
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Finnair
  • Finnair
  • 2/5-12/5
  • 2 total stops
  • 47h 10m total
  • London to Dallas
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Highest demand for flights from London to Dallas/Fort Worth; 6% potential price increase.
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Best time to find cheap flights from London to Dallas/Fort Worth; 1% potential price drop.
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Average price for all London to Dallas/Fort Worth flights (one-way and round-trip).
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  • How do most travelers feel about Finnair?

    Finnair has received a 7.6/10 rating from 1,370 Cheapflights user reviews. If you wish to plan your next trip from London to Dallas/Fort Worth Airport with Finnair, enter your preferred travel dates above!

  • Can I get a flight from London to Dallas/Fort Worth Airport on Finnair for under £821?

    Cheapflights currently has 11 LON-DFW flights for under £821. Flights to Dallas/Fort Worth Airport will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

Find Finnair flight deals from London to Dallas/Fort Worth

Enter your travel dates to find the best prices.

Cheapest Finnair flights from London to Dallas/Fort Worth
Explore the most affordable Finnair flight options available from London to Dallas/Fort Worth. Find the lowest fares with prices last updated on 9 March 2026.

Mon 13/416:10
LHR
-
DFW
1 stop28h 55m
Finnair
Mon 27/419:40
DFW
-
LHR
Nonstop9h 15m
Finnair
Deal found 4/3£765
Mon 20/410:05
LHR
-
DFW
Nonstop10h 15m
Finnair
Mon 27/417:15
DFW
-
LHR
1 stop11h 15m
Finnair
Deal found 4/3£781
Mon 20/408:55
LHR
-
DFW
Nonstop10h 15m
Finnair
Mon 4/518:00
DFW
-
LHR
1 stop12h 25m
Finnair
Deal found 5/3£782

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

Use this chart to determine the optimal time to book a return flight from London to Dallas/Fort Worth. Price data was last updated on 6 March 2026.

Booking with Finnair 19 days in advance of your planned departure date is, on average, the best time to get cheap flights from London 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 to Dallas/Fort Worth Airport with Finnair?

Currently, the most affordable month to book a Finnair flight from London to Dallas/Fort Worth Airport in September, with an average price of £387. Conversely, traveling with Finnair from London to Dallas/Fort Worth Airport in December will be the most expensive, with an average cost of £739. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Finnair flight availability from London to Dallas/Fort Worth Airport

The most Finnair flights from LON to DFW are scheduled on a Monday (5 on average). You will have fewer Finnair flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Dallas/Fort Worth by month

Plan your trip to Dallas/Fort Worth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dallas/Fort Worth Airport ranges from 48.0 - 125.0 inches per month. May is typically the wettest month, when rainfall can reach 125.0 mm. August is typically the driest time to visit Dallas/Fort Worth Airport when rainfall is around 48.0 mm.

Temperature in Dallas/Fort Worth by month

Plan your trip to Dallas/Fort Worth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dallas/Fort Worth Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 8.0 C).

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

Have a flexible travel schedule? Discover the best time to fly to Dallas/Fort Worth from London 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 London 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 9 March 2026.
British Airways flights from London 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 9 March 2026.
Finnair
7.6
Good
1,370 reviews
Check prices
Overview

Entertainment

6.9

Comfort

7.5

Boarding

7.7

Food

6.7

Crew

8.2

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