$175+ Cheap flights from Allentown to Seattle (ABE - SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SEA
Aug 6 — Aug 131
Round-trip
1 adult, Economy
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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
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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 July 7, 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 July 7, 2026.
This Delta deal was found by Cheapflights users on 7/6. 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.
Thu 11/56:00 pm
ABE
- SEA
1 stop8h 52m
Delta
Sun 11/810:35 pm
SEA
- ABE
1 stop10h 29m
Delta
Deal found 7/6![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 7/4. 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.
Tue 8/185:12 pm
ABE
- SEA
1 stop9h 47m
American Airlines
Tue 8/255:10 am
SEA
- ABE
1 stop8h 17m
American Airlines
Deal found 7/4![American Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 7/5. 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.
Thu 10/156:00 pm
ABE
- SEA
1 stop8h 52m
Delta
Sun 10/2511:05 pm
SEA
- ABE
2 stops15h 10m
Delta
Deal found 7/5![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 7/6. 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.
Thu 10/86:00 pm
ABE
- SEA
1 stop8h 52m
Delta
Wed 10/146:00 am
SEA
- ABE
1 stop8h 15m
Delta
Deal found 7/6![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 7/6. 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 8/236:07 pm
ABE
- SEA
1 stop8h 50m
Delta
Wed 9/26:00 am
SEA
- ABE
1 stop8h 23m
Delta
Deal found 7/6![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 7/3. 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 8/266:08 pm
ABE
- SEA
1 stop8h 49m
Delta
Mon 8/3111:10 pm
SEA
- ABE
2 stops15h 13m
Delta
Deal found 7/3![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 7/2. 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 8/269:36 am
ABE
- SEA
1 stop8h 09m
American Airlines
Mon 8/315:50 am
SEA
- ABE
1 stop7h 52m
American Airlines
Deal found 7/2![American Airlines logo]()
$393
This American Airlines deal was found by Cheapflights users on 7/6. 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 8/135:12 pm
ABE
- SEA
1 stop9h 23m
American Airlines
Fri 8/145:50 am
SEA
- ABE
1 stop7h 52m
American Airlines
Deal found 7/6![American Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 7/6. 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.
Thu 8/136:08 pm
ABE
- SEA
1 stop8h 49m
Delta
Tue 8/256:00 am
SEA
- ABE
1 stop8h 23m
Delta
Deal found 7/6![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 9/19:36 am
ABE
- SEA
1 stop8h 09m
American Airlines
Sun 9/135:00 am
SEA
- ABE
1 stop8h 47m
American Airlines
Deal found 7/1![American Airlines logo]()
$433
This American Airlines deal was found by Cheapflights users on 7/2. 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 8/165:12 pm
ABE
- SEA
1 stop10h 01m
American Airlines
Sun 8/2310:45 am
SEA
- ABE
1 stop10h 45m
American Airlines
Deal found 7/2![American Airlines logo]()
$434
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 July 7, 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 July 7, 2026.
This Delta deal was found by Cheapflights users on 7/4. 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 11/61:00 pm
ABE
- SEA
1 stop9h 04m
Delta
Sun 11/810:35 pm
SEA
- ABE
1 stop10h 29m
Delta
Deal found 7/4![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 7/2. 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 10/2410:37 am
ABE
- SEA
2 stops13h 38m
United Airlines
Wed 10/2811:03 pm
SEA
- ABE
1 stop7h 53m
United Airlines
Deal found 7/2![United Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 7/2. 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.
Thu 10/156:00 pm
ABE
- SEA
1 stop8h 52m
Delta
Sun 10/2511:05 pm
SEA
- ABE
2 stops15h 10m
Delta
Deal found 7/2![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 7/6. 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.
Thu 10/86:00 pm
ABE
- SEA
1 stop8h 52m
Delta
Wed 10/146:00 am
SEA
- ABE
1 stop8h 15m
Delta
Deal found 7/6![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 7/6. 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.
Thu 8/136:08 pm
ABE
- SEA
1 stop8h 49m
Delta
Tue 8/256:00 am
SEA
- ABE
1 stop8h 23m
Delta
Deal found 7/6![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 7/1. 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 9/16:15 am
ABE
- SEA
2 stops15h 14m
United Airlines
Sun 9/135:20 pm
SEA
- ABE
2 stops13h 19m
United Airlines
Deal found 7/1![United Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 7/4. 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 8/196:09 pm
ABE
- SEA
1 stop8h 48m
Delta
Fri 8/216:00 am
SEA
- ABE
1 stop8h 19m
Delta
Deal found 7/4![Delta logo]()
$529
This United Airlines deal was found by Cheapflights users on 7/4. 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 11/65:32 pm
ABE
- SEA
1 stop8h 21m
United Airlines
Sun 11/87:35 pm
SEA
- ABE
2 stops11h 21m
United Airlines
Deal found 7/4![United Airlines logo]()
$663
This Delta deal was found by Cheapflights users on 7/6. 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.
Tue 7/281:08 pm
ABE
- SEA
2 stops13h 50m
Delta
Sun 8/211:59 pm
SEA
- ABE
1 stop9h 29m
Delta
Deal found 7/6![Delta logo]()
$664
Last-minute flights from Allentown to SeattleDiscover last-minute flight deals from Allentown to Seattle. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Seattle. Data last updated July 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/6. 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 7/276:05 pm
ABE
- SEA
1 stop8h 54m
Delta
Mon 8/311:59 pm
SEA
- ABE
1 stop9h 29m
Delta
Deal found 7/6![Delta logo]()
$449
This American Airlines deal was found by Cheapflights users on 7/6. 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 8/65:12 pm
ABE
- SEA
1 stop9h 23m
American Airlines
Tue 8/115:50 am
SEA
- ABE
1 stop7h 52m
American Airlines
Deal found 7/6![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 7/6. 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 8/135:12 pm
ABE
- SEA
1 stop9h 23m
American Airlines
Fri 8/145:50 am
SEA
- ABE
1 stop7h 52m
American Airlines
Deal found 7/6![American Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 7/6. 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.
Thu 8/136:08 pm
ABE
- SEA
1 stop8h 49m
Delta
Tue 8/256:00 am
SEA
- ABE
1 stop8h 23m
Delta
Deal found 7/6![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 7/6. 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 8/135:12 pm
ABE
- SEA
1 stop9h 23m
American Airlines
Mon 8/175:50 am
SEA
- ABE
1 stop7h 52m
American Airlines
Deal found 7/6![American Airlines logo]()
$440
This American Airlines deal was found by Cheapflights users on 7/2. 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 8/165:12 pm
ABE
- SEA
1 stop10h 01m
American Airlines
Sun 8/2310:45 am
SEA
- ABE
1 stop10h 45m
American Airlines
Deal found 7/2![American Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 7/4. 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.
Tue 8/185:12 pm
ABE
- SEA
1 stop9h 47m
American Airlines
Tue 8/255:10 am
SEA
- ABE
1 stop8h 17m
American Airlines
Deal found 7/4![American Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 7/4. 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.
Tue 8/186:16 am
ABE
- SEA
1 stop11h 29m
Delta
Tue 8/2511:59 pm
SEA
- ABE
2 stops14h 24m
Delta
Deal found 7/4![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 7/6. 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 8/236:07 pm
ABE
- SEA
1 stop8h 50m
Delta
Wed 9/26:00 am
SEA
- ABE
1 stop8h 23m
Delta
Deal found 7/6![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 7/3. 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 8/266:08 pm
ABE
- SEA
1 stop8h 49m
Delta
Mon 8/3111:10 pm
SEA
- ABE
2 stops15h 13m
Delta
Deal found 7/3![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 7/2. 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 8/269:36 am
ABE
- SEA
1 stop8h 09m
American Airlines
Mon 8/315:50 am
SEA
- ABE
1 stop7h 52m
American Airlines
Deal found 7/2![American Airlines logo]()
$393
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 July 7, 2026.
Search for one-way flight options from Allentown to Seattle. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Delta deal was found by Cheapflights users on 7/3. 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 8/306:08 pm
ABE
- SEA
1 stop8h 49m
Delta
Deal found 7/3![Delta logo]()
$175
This Delta deal was found by Cheapflights users on 7/4. 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 8/76:08 pm
ABE
- SEA
1 stop8h 49m
Delta
Deal found 7/4![Delta logo]()
$219
This United Airlines deal was found by Cheapflights users on 7/6. 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 8/2910:32 am
ABE
- SEA
1 stop8h 38m
United Airlines
Deal found 7/6![United Airlines logo]()
$230
This Delta deal was found by Cheapflights users on 7/6. 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.
Tue 7/146:30 am
ABE
- SEA
1 stop10h 05m
Delta
Deal found 7/6![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 7/6. 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 7/1812:55 pm
ABE
- SEA
1 stop10h 16m
Delta
Deal found 7/6![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 7/6. 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 8/26:30 am
ABE
- SEA
1 stop8h 43m
Delta
Deal found 7/6![Delta logo]()
$330
This American Airlines deal was found by Cheapflights users on 7/6. 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.
Mon 7/135:12 pm
ABE
- SEA
1 stop10h 47m
American Airlines
Deal found 7/6![American Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 7/6. 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 7/196:15 am
ABE
- SEA
1 stop8h 23m
United Airlines
Deal found 7/6![United Airlines logo]()
$379
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 July 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (Delta) |
One-way from | $175 (Delta) |
Popular in | November |
Cheapest in | March |
Average price | $672 |
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 2,558,603 searches. Data last updated July 7, 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 - SEA
ABESEA
Allentown-Bethlehem
Fri 11/6
1:00 pm-7:04 pm
1 stop9h 04m
Seattle/Tacoma Intl
Sun 11/8
10:35 pm-12:04 pm
1 stop10h 29m
$349
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Thu 10/15
6:00 pm-11:52 pm
1 stop8h 52m
Seattle/Tacoma Intl
Sun 10/25
11:05 pm-5:15 pm
2 stops15h 10m
$354
Quickest round-trip
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Thu 10/8
6:00 pm-11:52 pm
1 stop8h 52m
Seattle/Tacoma Intl
Wed 10/14
6:00 am-5:15 pm
1 stop8h 15m
$383
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Thu 8/13
6:08 pm-11:57 pm
1 stop8h 49m
Seattle/Tacoma Intl
Tue 8/25
6:00 am-5:23 pm
1 stop8h 23m
$424
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Sat 10/24
10:37 am-9:15 pm
2 stops13h 38m
Seattle/Tacoma Intl
Wed 10/28
11:03 pm-9:56 am
1 stop7h 53m
$474
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Tue 9/1
6:15 am-6:29 pm
2 stops15h 14m
Seattle/Tacoma Intl
Sun 9/13
5:20 pm-9:39 am
2 stops13h 19m
$519
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Wed 8/19
6:09 pm-11:57 pm
1 stop8h 48m
Seattle/Tacoma Intl
Fri 8/21
6:00 am-5:19 pm
1 stop8h 19m
$529
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Fri 11/6
5:32 pm-10:53 pm
1 stop8h 21m
Seattle/Tacoma Intl
Sun 11/8
7:35 pm-9:56 am
2 stops11h 21m
$663
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Tue 7/28
1:08 pm-11:58 pm
2 stops13h 50m
Seattle/Tacoma Intl
Sun 8/2
11:59 pm-12:28 pm
1 stop9h 29m
$664
Cheapest one-way
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Tue 9/1
6:16 am-2:45 pm
1 stop11h 29m
$175
Showing 1-10 of 16 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 July.
| 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
What is the cheapest month to book a flight from Allentown to Seattle?
Currently, March is the cheapest month in which you can book a flight from Allentown to Seattle (average of $276). Flying from Allentown to Seattle in November is currently the most expensive (average of $1,078). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip 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 July 7, 2026.
Get a feel of what it's like to fly with United Airlines and 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.
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Overall
7.4
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Overall
7.4
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Comfort
7.3
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.6
Overall
7.4
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
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
Tacoma
Lacey
Leavenworth
Olympia
Ocean Shores
Edmonds
Snoqualmie
Tumwater
Tukwila
Renton
Kent
Lynnwood
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline
Centralia
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Top 2 airlines flying from Allentown to Seattle
Discover the top 2 airlines 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 2,558,603 searches. Data last updated July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$249 | Average$509 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$513 | FlexibilityNo cancel fee | On-time71% |