Cheap Flights from Portland to Allentown

Compare Portland to Allentown flight deals

Find the cheapest month or even day of the year to fly to Allentown

Book the best Allentown fare with no extra fees

Flight deals from Portland Airport to Allentown Airport

Looking for a cheap last-minute deal or the best return flight from Portland to Allentown? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to Allentown

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Allentown flights are currently cheapest in March.

Portland to Allentown: Flight information

The things to know before you go.
Cheapest flight foundR 5,762
Cheapest month to flyMarch

Finding cheap flights from Portland to Allentown: Frequently asked questions

The best price we found for a return flight from Portland to Allentown is R 8,752. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to Allentown. But we found flights with one or more stops from R 8,752.
As of March 2026, there are no flights flying from Portland to Allentown.
The cheapest month to fly from Portland to Allentown is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Allentown Airport on Saturday, 14 March 2026.
No airlines currently offer direct flights between Portland Airport and Allentown Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Allentown but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Allentown is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Allentown.

Flying from Portland International Airport (PDX) to Lehigh Valley International Airport (ABE): what you need to know

  • To ensure you get on your PDX to ABE flight, allow plenty of time to check in and find your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • Be prepared for longer queues during popular months such as July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will give you ample time for security and boarding.

  • Think about adding a stopover when booking your ticket from Portland International Airport to Lehigh Valley International Airport. Just deselect 'Direct flights only' to break up your trip, or even explore someplace new along the way. Check out these options between PDX and ABE:

    • Hartsfield-Jackson Atlanta International Airport

    • O'Hare International Airport

    • Denver International Airport

How to find the cheapest flights from Portland International Airport (PDX) to Lehigh Valley International Airport (ABE)

  • The lowest price we've found for a one-way Portland International Airport to Lehigh Valley International Airport flight is R 5,762. A round-trip fare right now is R 8,752. Depending on the availability and when you book, these fares could change.

  • It's usually smart to book as early as possible if you want to find cheap tickets from PDX to ABE. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

  • Finding cheap flights from Portland International Airport to Lehigh Valley International Airport is easier if you can be flexible with your travel plans. Use the 'Whole month' search function to see the best prices across each month and score a great deal.

  • Spend less time searching for cheap flights from PDX to ABE by setting up a Price Alert. You'll get an email or notification on the app when a new low fare is offered.

  • Choose your ideal departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Portland International Airport to Lehigh Valley International Airport.

Handy information about Portland International Airport (PDX)

  • PDX is located at 7000 NE Airport Way.

  • Portland International Airport maintains a solid on-time performance, making delays less likely. Departures from PDX land at their destination as scheduled 83.65% of the time.

  • Portland International Airport is around 19 kilometres from central Portland. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • Expect a trip time of around 45 minutes when using public transport.

  • Get your travels off to a leisurely start by staying near PDX. Whether you've booked an early flight from Portland International Airport to Lehigh Valley International Airport or just don't like being rushed, these hotels have you covered:

Arriving at Lehigh Valley International Airport (ABE)

Getting from Lehigh Valley International Airport (ABE) to central Allentown

  • You'll find ABE at 3311 Airport Road.

  • Lehigh Valley International Airport is approximately 8 kilometres from the centre of Allentown. The drive time takes about 10 minutes.

  • If you're taking public transport, expect a journey time of about 30 minutes.

When to fly to Lehigh Valley International Airport (ABE)

  • The quietest month for a flight from Portland International Airport to Lehigh Valley International Airport is April, while July is the most popular. Choose the ideal time to visit Allentown based on whether you prefer a faster pace or a more relaxed vibe.

  • Book your flight from Portland International Airport to Lehigh Valley International Airport for July if you'd like to go to Allentown during its warmest month. Expect temperatures of between 15ºC (59ºF) and 30ºC (86ºF).

  • Look for cheap tickets from PDX to ABE in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -9ºC (16ºF) and 7ºC (45ºF) on average.

Explore more of United States

  • Allentown is always a good idea, but there are so many other parts of United States just waiting to be discovered. Around 121 kilometres east of Allentown, a trip to New York will keep you on the move. Start with leading sights like Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another sought-after destination in United States and is around 80 kilometres south of Allentown. No trip is complete without dropping by Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.