Vuelos de United de Seattle (SEA) a Allentown (ABE) desde $201

For info on any present ABE travel advice and quarantine requirements, go to the Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught out.

Before you set off from SEA to Lehigh Valley International Airport with United Airlines, it’s probably a good idea to get in touch with the airline to find out your terminal information. While your ticket should have some of the relevant details, we can’t guarantee it.

Prepare to make a stopover when traveling from SEA to ABE, as United Airlines doesn’t offer direct flights between these two locations. While in transit, you might like to pick up a newspaper or a travel magazine from the airport bookstore to make the time go faster.

As it will take roughly 6 hours and 3 minutes for your United Airlines flight to journey from SEA to Lehigh Valley International Airport, consider sticking a travel game or two in your carry-on. You never know — the passenger beside you might relish a challenge to break up the trip.

If you’re considering a jaunt from SEA to ABE, you can select from approximately 2 United Airlines flights every day.

For more info about changing your flight to Lehigh Valley International Airport, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.