
$171 Cheap United flights from Allentown to Seattle (ABE to SEA)
Find The Best Day To Fly from Allentown to Seattle
Amazing United ABE to SEA Flight Deals
The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $333 round trip and $171 one way. Prices and availability subject to change. Additional terms may apply.
SEA From ABE Economy Coach Packages on Similar Airlines



Frequently asked questions
Discover our best United flight from Allentown ABE to Seattle SEA
To find the best deals on flights to Allentown from Seattle with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Allentown ABE to Seattle SEA with United
If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $333 to $390, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way United flights from Allentown ABE to Seattle SEA
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Allentown to Seattle costs from $171. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Seattle SEA from Allentown ABE with United
To find a cheap United flight from Allentown ABE to Seattle SEA, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on United flights from Allentown ABE to Seattle SEA
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as August, or if you book a flight with a stopover.
Find nonstop flights from Allentown ABE to Seattle SEA with United
If you’re keen to be on Seattle soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for United flights from Allentown ABE to Seattle SEA
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Seattle SEA from Allentown ABE with United on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
ORD | USA | O'Hare Intl. | 227 |
DEN | USA | Denver Intl. | 226 |
IAH | USA | George Bush Intercontinental | 136 |
IAD | USA | Washington Dulles Intl. | 100 |
SFO | USA | San Francisco Intl. | 64 |
LAX | USA | Los Angeles Intl. | 23 |
EWR | USA | Liberty Intl. | 20 |
FRA | DEU | Frankfurt Intl. | 19 |
NRT | JPN | Narita Intl. | 19 |
PEK | CHN | Capital Intl. | 16 |
Travelers ❤️ these 🏨 after their flight to Seattle

Reviewed on Jul 9, 2025

Reviewed on Jul 9, 2025

Reviewed on Jul 9, 2025
Popular United Flight Routes from ABE
Top Flights for United originating from ABE
Domestic
- Newark Liberty Intl. Airport to Atlanta (EWR - ATL)
- Newark Liberty Intl. Airport to Santo Domingo (EWR - SDQ)
- Newark Liberty Intl. Airport to Fort Lauderdale (EWR - FLL)
- Los Angeles to Honolulu (LAX - HNL)
- Dallas to Las Vegas (DFW - LAS)
- Newark Liberty Intl. Airport to Las Vegas (EWR - LAS)
- Los Angeles to San Salvador (LAX - SAL)
- Atlanta to Newark Liberty Intl. Airport (ATL - EWR)
- Newark Liberty Intl. Airport to Santiago (EWR - STI)
- Chicago to Orlando (ORD - MCO)
International
- Atlanta to Las Vegas (ATL - LAS)
- Philadelphia to Orlando (PHL - MCO)
- Newark Liberty Intl. Airport to Santiago (EWR - STI)
- Los Angeles to San Salvador (LAX - SAL)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Chicago to Mexico City (ORD - MEX)
- Los Angeles to Tokyo (LAX - HND)
- Chicago to Mexico City (ORD - MEX)
- Los Angeles to Honolulu (LAX - HNL)
- Chicago to Las Vegas (ORD - LAS)
Most Popular
- Philadelphia to Miami (PHL - MIA)
- JetBlue Airways Boston (BOS) to Orlando (MCO) flights
- JetBlue Airways Orlando (MCO) to Las Vegas (LAS) flights
- Boston to Miami (BOS - MIA)
- American Airlines Dallas (DFW) to Las Vegas (LAS) flights
- JetBlue Airways Boston (BOS) to Las Vegas (LAS) flights
- New York to Fort Lauderdale (JFK - FLL)
- Baltimore to Las Vegas (BWI - LAS)
- Dallas to Atlanta (DFW - ATL)
- Boston to Los Angeles (BOS - LAX)
- Philadelphia to Atlanta (PHL - ATL)
- Delta Atlanta (ATL) to Las Vegas (LAS) flights
- Dallas to Orlando (DFW - MCO)
- Los Angeles to Dallas (LAX - DFW)
- Chicago to Dallas (ORD - DFW)
- Dallas to Denver (DFW - DEN)
- Dallas to Chicago (DFW - ORD)
- Boston to Washington (BOS - DCA)
- Delta Minneapolis - St. Paul (MSP) to Las Vegas (LAS) flights
- Portland to Las Vegas (PDX - LAS)
- Philadelphia to Tampa (PHL - TPA)
- Philadelphia to Orlando (PHL - MCO)
- Los Angeles to Boston (LAX - BOS)
- JetBlue Airways Boston (BOS) to San Juan (SJU) flights
- Delta Detroit (DTW) to Las Vegas (LAS) flights
- Atlanta to Dallas (ATL - DFW)
- Dallas to Miami (DFW - MIA)
- Cleveland to Orlando (CLE - MCO)
- Los Angeles to Seattle (LAX - SEA)
- Dallas to Los Angeles (DFW - LAX)