$225+ Cheap flights from Allentown to Seattle (ABE - SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SEA
Nov 16 — Nov 231
Round-trip
1 adult, Economy
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Find cheap flights from Allentown to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Allentown to Seattle
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Cheapest flights from Allentown to SeattleExplore the most affordable flight options available from Allentown to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 17, 2026.
Explore the most affordable flight options available from Allentown to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 17, 2026.
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am -
1 stop11h 00m
Wed 11/186:00 am -
1 stop8h 15m
Deal found 10/12![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am -
1 stop11h 00m
Sun 11/1511:40 pm -
1 stop9h 24m
Deal found 10/12![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:00 pm -
1 stop8h 57m
Wed 12/96:00 am -
1 stop8h 13m
Deal found 10/13![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:36 pm -
1 stop8h 31m
Wed 12/97:30 pm -
2 stops10h 58m
Deal found 10/14![United Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:15 pm -
1 stop9h 20m
Wed 12/96:20 am -
1 stop8h 22m
Deal found 10/13![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:15 pm -
1 stop9h 20m
Tue 11/176:14 am -
1 stop8h 27m
Deal found 10/16![American Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:15 pm -
1 stop9h 20m
Thu 12/311:16 am -
1 stop10h 05m
Deal found 10/13![American Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:00 pm -
1 stop8h 57m
Wed 12/96:00 am -
1 stop8h 13m
Deal found 10/13![Delta logo]()
$479
Best flights from Allentown to SeattleDiscover carefully curated flight deals from Allentown to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 17, 2026.
Discover carefully curated flight deals from Allentown to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 17, 2026.
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/75:36 pm -
1 stop9h 38m
Sat 4/1011:50 pm -
1 stop7h 16m
Deal found 10/14![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:30 am -
1 stop11h 00m
Wed 12/96:00 am -
1 stop8h 13m
Deal found 10/14![Delta logo]()
$419
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:44 am -
1 stop9h 27m
Thu 12/36:00 am -
1 stop7h 47m
Deal found 10/16![American Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/306:25 am -
1 stop8h 15m
Fri 4/25:30 pm -
2 stops13h 36m
Deal found 10/14![United Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:03 pm -
1 stop8h 49m
Sun 11/16:00 am -
1 stop8h 16m
Deal found 10/13![Delta logo]()
$517
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/125:36 pm -
1 stop9h 38m
Sun 3/2111:50 pm -
1 stop7h 06m
Deal found 10/12![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/65:20 pm -
1 stop8h 25m
Tue 2/95:44 pm -
2 stops12h 51m
Deal found 10/16![United Airlines logo]()
$552
Last-minute flights from Allentown to SeattleDiscover last-minute flight deals from Allentown to Seattle. Data last updated October 17, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Seattle. Data last updated October 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:15 pm -
1 stop9h 20m
Thu 12/311:16 am -
1 stop10h 05m
Deal found 10/13![American Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:15 pm -
1 stop9h 20m
Tue 11/176:14 am -
1 stop8h 27m
Deal found 10/16![American Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals ”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:00 pm -
1 stop8h 57m
Wed 12/96:00 am -
1 stop8h 13m
Deal found 10/13![Delta logo]()
$479
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:36 pm -
1 stop8h 31m
Wed 12/97:30 pm -
2 stops10h 58m
Deal found 10/14![United Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:15 pm -
1 stop9h 20m
Wed 12/96:20 am -
1 stop8h 22m
Deal found 10/13![American Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am -
1 stop11h 00m
Wed 11/186:00 am -
1 stop8h 15m
Deal found 10/12![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am -
1 stop11h 00m
Sun 11/1511:40 pm -
1 stop9h 24m
Deal found 10/12![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:00 pm -
1 stop8h 57m
Wed 12/96:00 am -
1 stop8h 13m
Deal found 10/13![Delta logo]()
$419
One-way flights from Allentown to SeattleSearch for one-way flight options from Allentown to Seattle. Find affordable one-way fares based on user searches. Data last updated October 17, 2026.
Search for one-way flight options from Allentown to Seattle. Find affordable one-way fares based on user searches. Data last updated October 17, 2026.
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:58 pm -
1 stop8h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Delta logo]()
$225
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 pm -
1 stop8h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Delta logo]()
$250
This American Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:15 pm -
1 stop9h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![American Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:14 pm -
1 stop8h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![American Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:58 pm -
3 stops31h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:26 am -
2 stops16h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![United Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
2 stops36h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$306
This American Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:47 pm -
1 stop8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/316:05 am -
2 stops11h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![American Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:15 am -
2 stops10h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![United Airlines logo]()
$368
Find flight deals from Allentown to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $399 (Delta) |
One-way from | $225 (Delta) |
Popular in | June |
Cheapest in | March |
Average price | $338 |
Cheapflights Fare Finder
Customize your flight search to find flights from Allentown to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 17, 2026.
Use the filters below to find and compare flights from Allentown to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AllentownSeattle
ABE Allentown-Bethlehem - SEA Seattle/Tacoma Intl
ABESEA
Allentown-Bethlehem
Wed 12/9
5:58 pm-11:55 pm
1 stop8h 57m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$225
AllentownSeattle
ABE Allentown-Bethlehem - SEA Seattle/Tacoma Intl
ABESEA
Allentown-Bethlehem
Sun 11/22
6:00 pm-11:57 pm
1 stop8h 57m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$250
AllentownSeattle
ABE Allentown-Bethlehem - SEA Seattle/Tacoma Intl
ABESEA
Allentown-Bethlehem
Thu 11/5
6:00 am-3:12 pm
2 stops36h 12m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$306
Quickest round-trip
AllentownSeattle
ABE Allentown-Bethlehem - SEA Seattle/Tacoma Intl
ABESEA
Allentown-Bethlehem
Sun 10/25
6:47 pm-12:36 am
1 stop8h 49m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$349
AllentownSeattle
ABE Allentown-Bethlehem - SEA Seattle/Tacoma Intl
ABESEA
Allentown-Bethlehem
Thu 12/31
6:05 am-2:57 pm
2 stops11h 52m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$364
AllentownSeattle
ABE Allentown-Bethlehem - SEA Seattle/Tacoma Intl
ABESEA
Allentown-Bethlehem
Sun 11/22
6:15 am-1:54 pm
2 stops10h 39m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$368
AllentownSeattle
ABE Allentown-Bethlehem - SEA Seattle/Tacoma Intl
ABESEA
Allentown-Bethlehem
Wed 12/9
10:26 am-11:44 pm
3 stops16h 18m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$408
AllentownSeattle
ABE Allentown-Bethlehem - SEA Seattle/Tacoma Intl
ABESEA
Allentown-Bethlehem
Sat 10/31
1:24 pm-4:12 pm
3 stops53h 48m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$412
AllentownSeattle
ABE Allentown-Bethlehem - SEA Seattle/Tacoma Intl
ABESEA
Allentown-Bethlehem
Wed 4/7
5:36 pm-12:14 am
1 stop9h 38m
Seattle/Tacoma Intl
Sat 4/10
11:50 pm-10:06 am
1 stop7h 16m
$419
AllentownSeattle
ABE Allentown-Bethlehem - SEA Seattle/Tacoma Intl
ABESEA
Allentown-Bethlehem
Sat 11/14
6:30 am-2:30 pm
1 stop11h 00m
Seattle/Tacoma Intl
Wed 12/9
6:00 am-5:13 pm
1 stop8h 13m
$419
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Allentown to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to Seattle in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Allentown-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Allentown-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Allentown to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Allentown with our price prediction graph.
ABE-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Allentown to Seattle
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated October 17, 2026.
Get a feel of what it's like to fly with American Airlines from Allentown to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.4
Food
6.4
Crew
7.9
Entertainment
6.8
Comfort
7.2
Overall
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2025
PIT - DFW
Boarding
7.4
Food
6.4
Crew
7.9
Entertainment
6.8
Comfort
7.2
Overall
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2025
PIT - DFW
Related info for your journey
Find useful and relevant information for your journey from Allentown to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Lakewood
Poulsbo
Marysville
Shoreline
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Allentown and Seattle flights
Browse other Allentown and Seattle flight options. Last updated on October 17, 2026.
Other flights from Allentown
Browse through other flights departing from Allentown. Flights are based on user searches made on Cheapflights and were last updated on October 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 17, 2026.
Top airline flying from Allentown to Seattle
Discover the top airline that operate flights from Allentown to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$531 | FlexibilityNo cancel fee | On-time71% |