$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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SEA
Jun 15 — Jun 221
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
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Best
Last-minute
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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 May 16, 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 May 16, 2026.
This American Airlines deal was found by Cheapflights users on 5/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:09 pm
ABE
- SEA
1 stop10h 43m
American Airlines
Wed 7/226:00 am
SEA
- ABE
1 stop7h 42m
American Airlines
Deal found 5/14![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Fri 6/55:16 pm
ABE
- SEA
1 stop10h 25m
American Airlines
Wed 6/105:15 am
SEA
- ABE
1 stop8h 59m
American Airlines
Deal found 5/11![American Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 5/14. 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 5/246:23 am
ABE
- SEA
2 stops13h 21m
Delta
Mon 6/87:15 am
SEA
- ABE
2 stops12h 53m
Delta
Deal found 5/14![Delta logo]()
$364
This American Airlines deal was found by Cheapflights users on 5/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:11 pm
ABE
- SEA
1 stop9h 10m
American Airlines
Thu 8/206:00 am
SEA
- ABE
1 stop7h 41m
American Airlines
Deal found 5/14![American Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Mon 6/12:50 pm
ABE
- SEA
1 stop22h 16m
Multiple Airlines
Tue 6/98:12 pm
SEA
- ABE
2 stops38h 44m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:36 pm
ABE
- SEA
1 stop9h 38m
United Airlines
Sun 11/810:40 pm
SEA
- ABE
1 stop8h 26m
United Airlines
Deal found 5/13![United Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 5/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:12 pm
ABE
- SEA
1 stop10h 47m
American Airlines
Sat 7/186:00 am
SEA
- ABE
1 stop7h 41m
American Airlines
Deal found 5/15![American Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Mon 5/252:50 pm
ABE
- SEA
1 stop22h 16m
Multiple Airlines
Thu 5/287:50 pm
SEA
- ABE
1 stop24h 14m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 5/14. 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.
Sat 9/192:30 pm
ABE
- SEA
2 stops11h 41m
United Airlines
Fri 9/2511:50 pm
SEA
- ABE
1 stop7h 16m
United Airlines
Deal found 5/14![United Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Fri 6/55:16 pm
ABE
- SEA
1 stop10h 25m
American Airlines
Fri 6/126:00 am
SEA
- ABE
1 stop7h 38m
American Airlines
Deal found 5/11![American Airlines logo]()
$443
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 May 16, 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 May 16, 2026.
This Delta deal was found by Cheapflights users on 5/13. 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.
Thu 11/51:00 pm
ABE
- SEA
2 stops12h 05m
Delta
Sun 11/811:35 pm
SEA
- ABE
1 stop9h 29m
Delta
Deal found 5/13![Delta logo]()
$487
This American Airlines deal was found by Cheapflights users on 5/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:33 am
ABE
- SEA
1 stop7h 59m
American Airlines
Sun 9/1311:38 pm
SEA
- ABE
1 stop10h 29m
American Airlines
Deal found 5/15![American Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 5/11. 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 9/15:36 pm
ABE
- SEA
1 stop8h 09m
United Airlines
Sun 9/137:06 am
SEA
- ABE
2 stops24h 00m
United Airlines
Deal found 5/11![United Airlines logo]()
$687
This Delta deal was found by Cheapflights users on 5/13. 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.
Tue 8/116:13 pm
ABE
- SEA
1 stop8h 44m
Delta
Mon 9/76:00 am
SEA
- ABE
2 stops13h 56m
Delta
Deal found 5/13![Delta logo]()
$569
This Delta deal was found by Cheapflights users on 5/15. 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.
Sat 5/306:23 am
ABE
- SEA
2 stops13h 14m
Delta
Wed 6/37:15 am
SEA
- ABE
2 stops12h 03m
Delta
Deal found 5/15![Delta logo]()
$659
This Delta deal was found by Cheapflights users on 5/15. 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.
Thu 7/166:05 pm
ABE
- SEA
1 stop8h 54m
Delta
Sun 7/1911:59 pm
SEA
- ABE
1 stop9h 23m
Delta
Deal found 5/15![Delta logo]()
$697
This Delta deal was found by Cheapflights users on 5/15. 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.
Thu 7/166:05 pm
ABE
- SEA
1 stop8h 54m
Delta
Mon 7/2010:58 pm
SEA
- ABE
1 stop10h 24m
Delta
Deal found 5/15![Delta logo]()
$697
This Delta deal was found by Cheapflights users on 5/14. 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.
Fri 7/176:05 pm
ABE
- SEA
1 stop8h 54m
Delta
Mon 7/2711:59 pm
SEA
- ABE
1 stop9h 23m
Delta
Deal found 5/14![Delta logo]()
$729
This Delta deal was found by Cheapflights users on 5/13. 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.
Tue 7/281:08 pm
ABE
- SEA
2 stops13h 50m
Delta
Fri 8/76:00 am
SEA
- ABE
1 stop8h 30m
Delta
Deal found 5/13![Delta logo]()
$734
Last-minute flights from Allentown to SeattleDiscover last-minute flight deals from Allentown to Seattle. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Seattle. Data last updated May 16, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/11. 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 5/155:40 pm
ABE
- SEA
1 stop9h 19m
United Airlines
Tue 5/1911:53 pm
SEA
- ABE
1 stop7h 10m
United Airlines
Deal found 5/11![United Airlines logo]()
$458
This Delta deal was found by Cheapflights users on 5/14. 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 5/246:23 am
ABE
- SEA
2 stops13h 21m
Delta
Mon 6/87:15 am
SEA
- ABE
2 stops12h 53m
Delta
Deal found 5/14![Delta logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Mon 5/252:50 pm
ABE
- SEA
1 stop22h 16m
Multiple Airlines
Thu 5/287:50 pm
SEA
- ABE
1 stop24h 14m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Mon 6/12:50 pm
ABE
- SEA
1 stop22h 16m
Multiple Airlines
Tue 6/98:12 pm
SEA
- ABE
2 stops38h 44m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Mon 6/12:50 pm
ABE
- SEA
1 stop22h 16m
Multiple Airlines
Wed 6/103:33 pm
SEA
- ABE
2 stops19h 23m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Mon 6/12:50 pm
ABE
- SEA
1 stop22h 16m
Multiple Airlines
Fri 6/128:12 pm
SEA
- ABE
2 stops38h 44m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Fri 6/55:16 pm
ABE
- SEA
1 stop10h 25m
American Airlines
Wed 6/105:15 am
SEA
- ABE
1 stop8h 59m
American Airlines
Deal found 5/11![American Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Fri 6/55:16 pm
ABE
- SEA
1 stop10h 25m
American Airlines
Fri 6/126:00 am
SEA
- ABE
1 stop7h 38m
American Airlines
Deal found 5/11![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Fri 6/55:16 pm
ABE
- SEA
1 stop10h 25m
American Airlines
Sat 6/610:27 am
SEA
- ABE
1 stop10h 27m
American Airlines
Deal found 5/13![American Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Fri 6/195:16 pm
ABE
- SEA
1 stop10h 25m
American Airlines
Fri 6/266:00 am
SEA
- ABE
1 stop7h 38m
American Airlines
Deal found 5/11![American Airlines logo]()
$444
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 May 16, 2026.
Search for one-way flight options from Allentown to Seattle. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This American Airlines deal was found by Cheapflights users on 5/13. 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 7/85:12 pm
ABE
- SEA
1 stop10h 40m
American Airlines
Deal found 5/13![American Airlines logo]()
$175
This Delta deal was found by Cheapflights users on 5/14. 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.
Wed 8/196:13 pm
ABE
- SEA
1 stop8h 44m
Delta
Deal found 5/14![Delta logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Wed 8/1911:00 am
ABE
- SEA
2 stops26h 35m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$218
This Delta deal was found by Cheapflights users on 5/15. 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.
Thu 7/236:05 pm
ABE
- SEA
1 stop8h 54m
Delta
Deal found 5/15![Delta logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:50 pm
ABE
- SEA
2 stops54h 45m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$224
This American Airlines deal was found by Cheapflights users on 5/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:10 pm
ABE
- SEA
1 stop8h 41m
American Airlines
Deal found 5/14![American Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:13 pm
ABE
- SEA
2 stops22h 26m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 5/15. 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.
Thu 5/286:15 pm
ABE
- SEA
1 stop8h 44m
Delta
Deal found 5/15![Delta logo]()
$255
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 May 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (American Airlines) |
One-way from | $175 (Delta) |
Popular in | July |
Cheapest in | March |
Average price | $617 |
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 May 16, 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
Thu 11/5
1:00 pm-10:05 pm
2 stops12h 05m
Seattle/Tacoma Intl
Sun 11/8
11:35 pm-12:04 pm
1 stop9h 29m
$487
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Tue 9/1
9:33 am-2:32 pm
1 stop7h 59m
Seattle/Tacoma Intl
Sun 9/13
11:38 pm-1:07 pm
1 stop10h 29m
$502
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Tue 8/11
6:13 pm-11:57 pm
1 stop8h 44m
Seattle/Tacoma Intl
Mon 9/7
6:00 am-10:56 pm
2 stops13h 56m
$569
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Sat 5/30
6:23 am-4:37 pm
2 stops13h 14m
Seattle/Tacoma Intl
Wed 6/3
7:15 am-10:18 pm
2 stops12h 03m
$659
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Tue 9/1
5:36 pm-10:45 pm
1 stop8h 09m
Seattle/Tacoma Intl
Sun 9/13
7:06 am-10:06 am
2 stops24h 00m
$687
Quickest round-trip
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Thu 7/16
6:05 pm-11:59 pm
1 stop8h 54m
Seattle/Tacoma Intl
Sun 7/19
11:59 pm-12:22 pm
1 stop9h 23m
$697
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Thu 7/16
6:05 pm-11:59 pm
1 stop8h 54m
Seattle/Tacoma Intl
Mon 7/20
10:58 pm-12:22 pm
1 stop10h 24m
$697
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Fri 7/17
6:05 pm-11:59 pm
1 stop8h 54m
Seattle/Tacoma Intl
Mon 7/27
11:59 pm-12:22 pm
1 stop9h 23m
$729
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Tue 7/28
1:08 pm-11:58 pm
2 stops13h 50m
Seattle/Tacoma Intl
Fri 8/7
6:00 am-5:30 pm
1 stop8h 30m
$734
Cheapest one-way
Quickest one-way
AllentownSeattle
ABE - SEA
ABESEA
Allentown-Bethlehem
Tue 8/18
6:13 pm-11:57 pm
1 stop8h 44m
$175
Showing 1-10 of 20 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 May.
| 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 July is currently the most expensive (average of $786). 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 May 16, 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
Overall
7.4
Food
6.6
Boarding
7.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Crew
8.1
Entertainment
7.1
Overall
7.4
Food
6.6
Boarding
7.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Crew
8.1
Entertainment
7.1
Overall
7.4
Food
6.6
Boarding
7.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - 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.
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Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
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Top 2 airlines flying from Allentown to Seattle
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$467 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$284 | Average$509 | FlexibilityNo cancel fee | On-time69% |