Cheap flights from Dallas to London Heathrow

Q: What are the cheapest airlines?

Air Canada, JetBlue, Lufthansa, Virgin Atlantic. These airlines usually offer the cheapest flights from Dallas to London Heathrow.

Q: Can I fly direct to London Heathrow?

Finnair, British Airways. You can fly non-stop from Dallas to London Heathrow with these airlines.

Q: What airlines fly indirectly?

Air Canada, Aer Lingus, Iberia Airlines, Lufthansa, Virgin Atlantic. These airlines fly from Dallas to London Heathrow, but you’ll have at least one layover.

Q: How long is the flight?

9 hrs 20 mins. This is the shortest flight time from Dallas to London Heathrow.

from as little as £604

13 nights in London, departing Dallas/Fort Worth International Airport on 01 / Oct / 2025 with JetBlue (price found 32 hours ago)

Subject to availability, prices correct of the last 24 hours

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Cheap return flights from Dallas to London Heathrow

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The Dallas / London Heathrow route

All 7615 km of it

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London Heathrow flight facts

What you need to know

What are the cheapest airlines?

Air Canada
JetBlue
Lufthansa
Virgin Atlantic

These airlines usually offer the cheapest flights from Dallas to London Heathrow.

Can I fly direct to London Heathrow?

Finnair
British Airways

You can fly non-stop from Dallas to London Heathrow with these airlines.

What airlines fly indirectly?

Air Canada
Aer Lingus
Iberia Airlines
Lufthansa
Virgin Atlantic

These airlines fly from Dallas to London Heathrow, but you’ll have at least one layover.

How long is the flight?

9 hrs 20 mins

This is the shortest flight time from Dallas to London Heathrow.

Alternative flights from the UK to London Heathrow

Check out prices for other routes

Dallas to London City Airport

search for price

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Dallas to London Gatwick

from £881 pp

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Alternative flights from Dallas

You might find cheaper flights nearby

London from Dallas/Fort Worth International Airport

from £604 pp

Find flights

01 / Oct / 2025 is currently the lowest priced day of the year to fly the Dallas/London Heathrow route. There are around 37 flights on any given week from the UK to London Heathrow and the cheapest month to fly right now is October.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)

LOWEST

2 °C

AVG

11 °C

HIGHEST

24 °C

Rainfall (mm)

LOWEST

38.1 mm

AVG

52.5 mm

HIGHEST

66 mm

Key facts about London Heathrow

Currency

British pound

Language

English

Timezone

0 hrs behind GMT

How to get cheap flights from Dallas to London Heathrow

Tips and advice from our flight experts

JetBlue tends to have the best prices on flights from Dallas to London Heathrow. But, remember that London Heathrow is only one of the airports in London – searching for flights from ‘Dallas’ to ‘London’ will give you more options, and possibly lower prices.

Every week, there are 37 direct and indirect flights connecting London and Dallas. On average, it takes 12 hrs 55 mins to fly the 7615 km between Dallas and London.

At the moment, the cheapest date to travel on is 01 / Oct / 2025. You could also try searching by month, if you're flexible on dates. This will show you when prices are at their cheapest and their most expensive. Generally speaking, the earlier you book, the better deal you'll get.

Once you’ve made your flight selection, click through to the next page to complete your booking. You can also explore accommodation and car hire options in United Kingdom by using the tabs at the top of the page.