Cheap flights from Seattle, WA to Allentown, PA
Choose between Allegiant Air, Alaska Airlines, or Frontier Airlines to find the best price
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Allentown
Most popular airline | Allegiant Air |
---|
Sorry, we couldn't find any results
Sorry, we couldn't find any results
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Allentown. The most popular airlines for this route are Allegiant Air, Alaska Airlines, Frontier Airlines, Spirit Airlines, and Sun Country Airlines. Seattle and Allentown have 106 direct flights per week.
Check-in for a flight from Seattle to Allentown
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Sun Country Airlines | SCX | SY | Yes | No |
Weather in Allentown
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 2°C | -5°C |
February | 4°C | -4°C |
March | 8°C | 0°C |
April | 15°C | 4°C |
May | 20°C | 10°C |
June | 25°C | 14°C |
July | 29°C | 18°C |
August | 28°C | 17°C |
September | 24°C | 13°C |
October | 17°C | 8°C |
November | 10°C | 1°C |
December | 5°C | -1°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Seattle
- Flights from Seattle to London
- Flights from Seattle to Las Vegas
- Flights from Seattle to Denver
- Flights from Seattle to Phoenix
- Flights from Seattle to Dublin
- Flights from Seattle to Melbourne
- Flights from Seattle to Orlando
- Flights from Seattle to Salt Lake City
- Flights from Seattle to San Jose
- Flights from Seattle to Vancouver
- Flights from Seattle to Manchester
- Flights from Seattle to Edinburgh
- Flights from Seattle to San Francisco
- Flights from Seattle to Philadelphia
- Flights from Seattle to Dallas
- Flights from Seattle to Washington, D.C.
- Flights from Seattle to New York
- Flights from Seattle to Atlanta
- Flights from Seattle to Los Angeles
- Flights from Seattle to Rome
Flights to Allentown
- Flights from San Juan to Allentown
- Flights from Shreveport to Allentown
- Flights from Manchester to Allentown
- Flights from Indianapolis to Allentown
- Flights from London to Allentown
- Flights from New York to Allentown
- Flights from Orlando to Allentown
- Flights from Las Vegas to Allentown
- Flights from Denver to Allentown
- Flights from Chicago to Allentown
- Flights from Miami to Allentown
- Flights from Los Angeles to Allentown
- Flights from Atlanta to Allentown
- Flights from Mexico City to Allentown
- Flights from Bogotá to Allentown
- Flights from Dallas to Allentown
- Flights from Phoenix to Allentown
- Flights from Philadelphia to Allentown
- Flights from San Francisco to Allentown
- Flights from Cancún to Allentown
Popular routes
- Flights from London to Lisbon
- Flights from Fayetteville to Salt Lake City
- Flights from London to Larnaca
- Flights from La Paz to Bucharest
- Flights from Louisville to Asheville
- Flights from Chicago to Bismarck
- Flights from Durban to Lisbon
- Flights from Cape Town to Tenerife
- Flights from Tenerife to Cape Town
- Flights from Spokane to Norfolk
- Flights from Lisbon to Durban
- Flights from Arequipa to Cartagena