DFW → LHR

Find and Compare the Cheapest Ways to Fly from Dallas to London

Compare one-way, round-trip and flight + hotel packages from Dallas to London, a nonstop flight of about 10h, with fares from around 505.

Dallas to London flight facts

Dallas to London is an international route covering about 4,737 miles, arriving at Heathrow Airport (LHR) in United Kingdom. Peak travel season in London runs June–August (mild, long sunny days), while November–March is usually the quietest and best-value time to visit. The cheapest fares we've tracked on this route include at least one stop.

Key facts for flights from Dallas to London
Departing fromDallas/Fort Worth International Airport (DFW)
Arriving atHeathrow Airport (LHR)
Distance4,737 miles (7,628 km)
Nonstop flight timeAbout 10h
Nonstop airlines seenNone in recent fares, expect 1 stop
Round-trip fares from$505 (estimate)
Cheapest monthsSeptember, January, May
Peak season in LondonJune–August
Cheapest hotel months in LondonNovember–March
Best time to book2 to 6 months ahead
Route info updatedOctober 16, 2026

When to visit London

  • Peak season

    June–August

    Mild, long sunny days

  • Shoulder season

    April–May & September–October

    Cool and crisp, fewer crowds

  • Off-peak season

    November–March

    Cold, damp and grey

Estimated round-trip fares by month, Dallas to London

Estimated lowest round-trip fare per month
MonthFares from
January$565
February$590
March$625
April$585
May$565
June$735
July$810
August$795
September$505
October$625
November$700
December$770

Flying from Dallas to London

Airlines Flying this Route

The cheapest fares we've tracked on this route include at least one stop. Ducoffs.com compares full-service and low-cost airlines flying between Dallas and London in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.

Best Time to Book Flights from Dallas to London

Fares on this route tend to be lowest in September, January, and May. For the best selection, book about 2 to 6 months before departure and stay flexible by a day or two.

Average Travel Duration

Dallas and London are about 4,737 miles apart. A nonstop flight takes roughly 10h; connecting itineraries usually add 2 to 5 hours.

Dallas to London flight questions

How can I find the absolute cheapest flight from Dallas to London?

The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.

What is the cheapest month to fly from Dallas to London?

Based on typical seasonal demand, September, January, and May tend to offer the lowest fares on this route, with estimated round-trip prices starting around $505. Live prices change daily, so run a search for your exact dates.

How long is the flight from Dallas to London?

Dallas and London are about 4,737 miles apart. A nonstop flight takes roughly 10h, while connecting itineraries usually add 2 to 5 hours depending on the layover.

Which airlines fly nonstop from Dallas to London?

The cheapest fares we've tracked recently on this route include at least one stop. Your live search shows any nonstop options available for your dates.

When are hotels cheapest in London?

Hotel rates in London are usually lowest in November–March, when demand is quieter, and highest during peak season (June–August). Booking your flight and hotel together can save up to 30%.

Which airport do I fly into for London?

This route arrives at Heathrow Airport (LHR). Your search results also show nearby airports when they offer a cheaper or faster option.

How far in advance should I book a flight to London?

For this route, booking about 2 to 6 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.

Is it cheaper to bundle flights and hotels together?

Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.