You’ve searched for flights from Southampton to Allentown-Bthlehm. We've gone through all ten flights that go to or via Allentown-Bthlehm every week, to help you find the cheapest flight. KLM usually has the best-value flights from Southampton, but make sure you compare all your options to get the cheapest flight possible.
When you fly from Southampton to Allentown-Bthlehm, you'll have two airlines to choose from for your 5612 km journey. If you're planning to fly in peak season, make sure you book in advance to get a reasonable price. Or you could hold on and try to get a last-minute bargain.
If you're fairly flexible about when you want to fly to Allentown-Bthlehm, searching by month will show you the cheapest times to go. It’s also worth looking out for flights operated by KLM & Virgin Atlantic, as they're the most popular airlines for this journey.
Flights from Southampton to Allentown-Bthlehm normally take 18 hrs 50 mins. Make sure you check what refreshments or meals are included, so you can plan your journey. Before you book, why not check out our holiday package and car hire options? We have some hotels close to the airport – handy if you're arriving late at night, or flying back very early.
