$127 Cheap flight deals from Seattle (SEA) to Allentown (ABE)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

This Weekend's Flight Deals from Seattle to Allentown

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 4 - Sat, Jul 11
SEA
Seattle - Tacoma Intl.
PHL
Philadelphia Intl.
$459 Roundtrip, found 18 hours ago
$459
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Sat, Jul 4 from Seattle - Tacoma Intl. to Philadelphia Intl., returning Sat, Jul 11, priced at $459 found 18 hours ago
Sun, Jul 5 - Sun, Jul 12
PAE
Seattle Paine Field Intl. Airport
PHL
Philadelphia Intl.
$650 Roundtrip, found 1 hour ago
$650
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sun, Jul 5 from Seattle Paine Field Intl. Airport to Philadelphia Intl., returning Sun, Jul 12, priced at $650 found 1 hour ago

Airfares from $127 One Way, $262 Round Trip from Seattle to Allentown

Prices starting at $262 for return flights and $127 for one-way flights to Allentown were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 5 - Sun, Aug 9
SEA
Seattle
PHL
Philadelphia
$262 Roundtrip, found 6 days ago
$262
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Seattle to Philadelphia, returning Sun, Aug 9, priced at $262 found 6 days ago
Wed, Sep 23 - Tue, Sep 29
SEA
Seattle
PHL
Philadelphia
$273 Roundtrip, found 17 hours ago
$273
Roundtrip
found 17 hours ago
Select United flight, departing Wed, Sep 23 from Seattle to Philadelphia, returning Tue, Sep 29, priced at $273 found 17 hours ago
Wed, Sep 9 - Tue, Sep 15
SEA
Seattle
PHL
Philadelphia
$283 Roundtrip, found 6 hours ago
$283
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Wed, Sep 9 from Seattle to Philadelphia, returning Tue, Sep 15, priced at $283 found 6 hours ago
Wed, Sep 9 - Tue, Sep 15
SEA
Seattle
PHL
Philadelphia
$311 Roundtrip, found 6 hours ago
$311
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Wed, Sep 9 from Seattle to Philadelphia, returning Tue, Sep 15, priced at $311 found 6 hours ago
Sun, Sep 27 - Mon, Sep 28
SEA
Seattle
PHL
Philadelphia
$324 Roundtrip, found 14 hours ago
$324
Roundtrip
found 14 hours ago
Select Delta flight, departing Sun, Sep 27 from Seattle to Philadelphia, returning Mon, Sep 28, priced at $324 found 14 hours ago

Allentown economy flight packages

Price found within the past 48 hours. Click for updated prices.
HomeTowne Studios By Red Roof Egg Harbor–Atlantic City Airport
2.5-star property

HomeTowne Studios By Red Roof Egg Harbor–Atlantic City Airport

7.4/10 Good! (637 reviews)

Aug 4 - Aug 7

3 night stay

Seattle (SEA) to Philadelphia (PHL)

Delta • Coach

Philadelphia (PHL) to Seattle (SEA)

Frontier Airlines • Coach
Price was $498, price is now $486 per person
$486
per person
found 1 day ago
Exactly what I wanted. Checked in, slept, left.

Reviewed on Jun 26, 2026

Surrey Beach House
2.0-star property

Surrey Beach House

9.8/10 Exceptional! (54 reviews)

Aug 4 - Aug 7

3 night stay

Seattle (SEA) to Philadelphia (PHL)

Delta • Coach

Philadelphia (PHL) to Seattle (SEA)

Frontier Airlines • Coach
Price was $1,145, price is now $990 per person
$990
per person
found 1 day ago
Loved it!

Reviewed on Jun 30, 2026

North Beach Hotel
2.5-star property

North Beach Hotel

8.6/10 Excellent! (108 reviews)

Aug 4 - Aug 7

3 night stay

Seattle (SEA) to Philadelphia (PHL)

Delta • Coach

Philadelphia (PHL) to Seattle (SEA)

Frontier Airlines • Coach
Price was $700, price is now $662 per person
$662
per person
found 1 day ago
Great location for our need- loud noise as a house is being built next door-

Reviewed on Jun 17, 2026

Don't see what you're looking for?
See all available trips from Seattle to Allentown
View all trips

More About Flying To Allentown from Seattle

Route Information for Flights from Seattle to Allentown

Origin Airport IATA Code
SEA
Destination Airport IATA Code
ABE
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Seattle to Allentown

Book your trip through Orbitz for the best deals on Seattle to Allentown flights. With our cutting-edge mobile tools, getting fantastic savings on international or domestic flights or updates on your flight status has never been easier. Find your low-priced flights from Seattle to Allentown today with Orbitz.

Frequent Flyer Rewards

If you are a member of a frequent flyer program, Orbitz will ensure you get points or miles for your qualifying Seattle to Allentown flights. Just provide your frequent flyer number or your loyalty program number when booking your flight online with Orbtiz.com.

Flight Deals on the Go

Never miss out on great savings! Get fantastic deals on flights from Seattle to Allentown on your mobile device with our apps for iPhone, Android, and iPad, or use your mobile Web browser to access m.orbitz.com. Find big discounts on the hotels you want to stay at to go along with your Seattle to Allentown flights. The app even gives you information for baggage claim and other important flight details.

Free Flight Alerts

With Orbitz, not do you get amazing low-cost deals on Seattle to Allentown flights, but we can send you flight alerts to your mobile phone or email. Instantly learn about delays to your flights from Seattle to Allentown, so you can plan ahead and make different travel arrangements if you need to.

Guaranteed low prices for Seattle to Allentown flights makes Orbitz the perfect online budget travel source.

Frequently asked questions

Are there non-stop flights from Seattle to Allentown?
Two airlines fly nonstop from SEA to Philadelphia Intl. Airport (PHL) — American Airlines and Alaska Airlines. They'll take you where you need to go quickly and comfortably.
What is the shortest flight from Seattle to Allentown?
The quickest flight time from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Philadelphia Intl. Airport (PHL) is around 5 hours and 41 minutes. Order your favorite tipple from the drink cart, start your travel journal or finish that podcast — you'll have enough time on this medium-haul journey.
What airlines fly from Seattle to Allentown most frequently?
American Airlines (AA) operates 52 flights every month between Seattle - Tacoma Intl. Airport (SEA) to Philadelphia, PA (PHL-Philadelphia Intl.). Your next exciting adventure is only a few clicks away. Also consider the great fares available with Alaska Airlines (AS). Offering 30 flights every month between Seattle and Allentown, they'll make sure your journey is just as enjoyable as the destination.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

More Destinations

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.