Dallas (DFW) to London (LON): 4,739 miles (7,627 km) great-circle, about 10h 00m nonstop by our estimate. Cheapest fare observed: $995 round-trip on Frontier, with 1 stop, departing June 4, 2026.
$995 round-trip, Frontier F93211, departing 2026-06-04 at 22:19, returning 2026-07-14. The recorded itinerary left on a Thursday, returning on a Tuesday 40 nights later; the fare was observed 40 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $995, it ranked 28th of the 30 round-trip fares we recorded from DFW (median $198). That is 21.0 cents per great-circle mile (round-trip price over one-way distance), above the DFW median of 15.9 cents across 30 round-trip routes.
Routes from DFW of similar length: Casablanca (4,989 mi) at $682 and Honolulu (3,779 mi) at $699.
Frontier had the cheapest fare on 18 of 30 DFW routes. It is the 7th longest of the 30 routes we track from DFW.
Of 49 departure airports with a fare to London, Dallas (DFW) ranked 41st at $995. Lowest: $46 from Dublin (DUB); highest: $1356 from Sydney (SYD); 14 nonstop. Cheapest-fare airlines (routes): Ryanair (7), easyJet (4), Etihad (4), Frontier (4), Air Canada (3) and WestJet (3), plus 19 more.
That depends on your passport and trip, so check the official source for United Kingdom: GOV.UK: check if you need a UK visa. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Chicago, Europe/London; flight time is our estimate.