Cheap flights from the United Kingdom to Allentown from £648
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Allentown departing on 29/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from United Kingdom to Allentown
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Allentown?
The cheapest day to depart from United Kingdom to Allentown is on a Monday when prices can be found for as low as £462. Flights from United Kingdom to Allentown on a Sunday will generally be more expensive and average around £826. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Allentown?
Flying to Allentown from United Kingdom at midday is the least expensive time of day to depart. momondo users have found prices as low as £562 when looking at flights departing at midday. Flights in the morning are often more expensive, with an average ticket price of £603.
What is the cheapest airline that flies from United Kingdom to Allentown-Bethlehem?
Delta, American Airlines, and United Airlines are the most popular carriers operating from United Kingdom to Allentown-Bethlehem
Which airlines fly to Allentown?
British Airways, Lufthansa and Aer Lingus are the top three most popular airlines that fly to Allentown from United Kingdom according to our data. British Airways is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Allentown. Keep in mind that there are 19 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.
Cheap United Kingdom to Allentown flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Allentown
When did momondo last update prices for flights from United Kingdom to Allentown-Bethlehem Airport?
Prices for flights from United Kingdom to Allentown-Bethlehem Airport were last updated today.
How many operators does momondo search for flights from United Kingdom to Allentown-Bethlehem Airport?
As of June 2025, there are 2 operators available to choose from for flights from United Kingdom to Allentown-Bethlehem Airport.
How old do you have to be to fly from United Kingdom to Allentown-Bethlehem Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The required travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from United Kingdom to Allentown
Compare and see reviews for airlines that fly from United Kingdom to Allentown with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £455 | Free Cancellation | Rating 7.6 1,292 reviews | |||
| PriceFrom £494 | Free Cancellation | Rating 7.4 652 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from United Kingdom to Allentown?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Allentown from United Kingdom.
Can I find flights from United Kingdom to Allentown with flexible booking policies on momondo?
Yes. All flights to Allentown from United Kingdom on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from United Kingdom to Allentown?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Allentown.
I’m not ready to book a flight from United Kingdom to Allentown right now. Can momondo alert me if prices change?
Yes. momondo can track prices for United Kingdom to Allentown flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.