$175+ Cheap flights from Seattle to Allentown (SEA - ABE)
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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ABE
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Allentown 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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Cheapest flights from Seattle to AllentownExplore the most affordable flight options available from Seattle to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
Explore the most affordable flight options available from Seattle to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
This Delta deal was found by Cheapflights users on 7/20. 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 12/256:00 am
SEA
- ABE
1 stop8h 12m
Delta
Thu 1/76:30 am
ABE
- SEA
1 stop8h 53m
Delta
Deal found 7/20![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 7/20. 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 11/16:00 am
SEA
- ABE
2 stops13h 29m
Delta
Wed 11/116:30 am
ABE
- SEA
1 stop11h 20m
Delta
Deal found 7/20![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 7/22. 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 8/1711:59 pm
SEA
- ABE
1 stop9h 29m
Delta
Sun 8/236:16 am
ABE
- SEA
1 stop8h 52m
Delta
Deal found 7/22![Delta logo]()
$369
This American Airlines deal was found by Cheapflights users on 7/23. 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 11/16:12 am
SEA
- ABE
1 stop8h 29m
American Airlines
Wed 11/116:11 pm
ABE
- SEA
1 stop9h 24m
American Airlines
Deal found 7/23![American Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 7/21. 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 10/711:13 pm
SEA
- ABE
1 stop7h 22m
United Airlines
Wed 10/1410:37 am
ABE
- SEA
2 stops13h 00m
United Airlines
Deal found 7/21![United Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 7/23. 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 11/196:00 am
SEA
- ABE
1 stop8h 12m
Delta
Fri 12/41:00 pm
ABE
- SEA
1 stop8h 59m
Delta
Deal found 7/23![Delta logo]()
$398
This American Airlines deal was found by Cheapflights users on 7/21. 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 7/291:10 pm
SEA
- ABE
1 stop8h 13m
American Airlines
Sat 8/15:11 pm
ABE
- SEA
1 stop10h 41m
American Airlines
Deal found 7/21![American Airlines logo]()
$405
Best flights from Seattle to AllentownDiscover carefully curated flight deals from Seattle to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
Discover carefully curated flight deals from Seattle to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
This Delta deal was found by Cheapflights users on 7/21. 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 9/411:59 pm
SEA
- ABE
1 stop9h 29m
Delta
Sun 9/136:08 pm
ABE
- SEA
1 stop8h 50m
Delta
Deal found 7/21![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 7/21. 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 10/711:13 pm
SEA
- ABE
1 stop7h 22m
United Airlines
Wed 10/1410:37 am
ABE
- SEA
2 stops13h 00m
United Airlines
Deal found 7/21![United Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 7/20. 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 8/411:59 pm
SEA
- ABE
1 stop9h 29m
Delta
Sun 8/96:08 pm
ABE
- SEA
1 stop8h 49m
Delta
Deal found 7/20![Delta logo]()
$427
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/2011:00 pm
SEA
- ABE
1 stop7h 57m
United Airlines
Thu 8/275:36 pm
ABE
- SEA
1 stop8h 07m
United Airlines
Deal found 7/21![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 7/20. 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 7/2811:59 pm
SEA
- ABE
1 stop9h 23m
Delta
Mon 8/36:08 pm
ABE
- SEA
1 stop8h 49m
Delta
Deal found 7/20![Delta logo]()
$427
This United Airlines deal was found by Cheapflights users on 7/20. 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 10/37:25 pm
SEA
- ABE
2 stops11h 10m
United Airlines
Wed 10/75:46 pm
ABE
- SEA
1 stop8h 10m
United Airlines
Deal found 7/20![United Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 7/23. 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 8/146:00 am
SEA
- ABE
1 stop8h 23m
Delta
Sat 8/151:10 pm
ABE
- SEA
2 stops11h 55m
Delta
Deal found 7/23![Delta logo]()
$503
This United Airlines deal was found by Cheapflights users on 7/19. 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 9/185:20 pm
SEA
- ABE
2 stops13h 37m
United Airlines
Mon 9/215:36 pm
ABE
- SEA
1 stop8h 09m
United Airlines
Deal found 7/19![United Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 7/19. 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 8/56:00 am
SEA
- ABE
1 stop8h 23m
Delta
Sun 8/96:08 pm
ABE
- SEA
1 stop8h 49m
Delta
Deal found 7/19![Delta logo]()
$564
This Delta deal was found by Cheapflights users on 7/19. 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 8/56:00 am
SEA
- ABE
1 stop8h 23m
Delta
Tue 8/181:10 pm
ABE
- SEA
1 stop10h 13m
Delta
Deal found 7/19![Delta logo]()
$589
This Delta deal was found by Cheapflights users on 7/22. 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 8/158:00 pm
SEA
- ABE
2 stops13h 28m
Delta
Sun 8/166:08 pm
ABE
- SEA
1 stop8h 49m
Delta
Deal found 7/22![Delta logo]()
$662
Last-minute flights from Seattle to AllentownDiscover last-minute flight deals from Seattle to Allentown. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Allentown. Data last updated July 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/20. 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 7/2811:59 pm
SEA
- ABE
1 stop9h 23m
Delta
Mon 8/36:08 pm
ABE
- SEA
1 stop8h 49m
Delta
Deal found 7/20![Delta logo]()
$427
This American Airlines deal was found by Cheapflights users on 7/21. 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 7/291:10 pm
SEA
- ABE
1 stop8h 13m
American Airlines
Sat 8/15:11 pm
ABE
- SEA
1 stop10h 41m
American Airlines
Deal found 7/21![American Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 7/22. 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 8/56:00 am
SEA
- ABE
1 stop8h 23m
Delta
Sat 8/86:09 pm
ABE
- SEA
1 stop8h 48m
Delta
Deal found 7/22![Delta logo]()
$494
This Delta deal was found by Cheapflights users on 7/23. 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 8/710:35 pm
SEA
- ABE
1 stop10h 53m
Delta
Sat 8/86:09 pm
ABE
- SEA
1 stop8h 48m
Delta
Deal found 7/23![Delta logo]()
$489
This Delta deal was found by Cheapflights users on 7/22. 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 8/146:00 am
SEA
- ABE
1 stop8h 23m
Delta
Sat 8/151:10 pm
ABE
- SEA
1 stop8h 55m
Delta
Deal found 7/22![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 7/22. 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 8/1711:59 pm
SEA
- ABE
1 stop9h 29m
Delta
Sun 8/236:16 am
ABE
- SEA
1 stop8h 52m
Delta
Deal found 7/22![Delta logo]()
$369
This American Airlines deal was found by Cheapflights users on 7/20. 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 8/185:10 am
SEA
- ABE
1 stop8h 17m
American Airlines
Mon 8/245:12 pm
ABE
- SEA
1 stop9h 47m
American Airlines
Deal found 7/20![American Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/2011:00 pm
SEA
- ABE
1 stop7h 57m
United Airlines
Thu 8/275:36 pm
ABE
- SEA
1 stop8h 07m
United Airlines
Deal found 7/21![United Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/202:37 pm
SEA
- ABE
1 stop21h 34m
Multiple Airlines
Thu 8/272:28 pm
ABE
- SEA
2 stops23h 11m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$444
One-way flights from Seattle to AllentownSearch for one-way flight options from Seattle to Allentown. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
Search for one-way flight options from Seattle to Allentown. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Delta deal was found by Cheapflights users on 7/20. 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 9/810:59 pm
SEA
- ABE
1 stop10h 16m
Delta
Deal found 7/20![Delta logo]()
$175
This Delta deal was found by Cheapflights users on 7/21. 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 9/138:59 am
SEA
- ABE
1 stop10h 27m
Delta
Deal found 7/21![Delta logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/197:06 pm
SEA
- ABE
2 stops23h 01m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Tue 9/88:53 pm
SEA
- ABE
2 stops44h 32m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 7/19. 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 8/316:00 am
SEA
- ABE
1 stop8h 23m
Delta
Deal found 7/19![Delta logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/239:29 pm
SEA
- ABE
2 stops39h 16m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/249:29 pm
SEA
- ABE
2 stops40h 16m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$222
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/511:00 pm
SEA
- ABE
1 stop7h 57m
United Airlines
Deal found 7/20![United Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/228:53 pm
SEA
- ABE
2 stops45h 53m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$270
Find flight deals from Seattle to Allentown
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Allentown (ABE). 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 24, 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 | January |
Average price | $889 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Allentown 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 24, 2026.
Use the filters below to find and compare flights from Seattle to Allentown that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleAllentown
SEA - ABE
SEAABE
Seattle/Tacoma Intl
Fri 9/4
11:59 pm-12:28 pm
1 stop9h 29m
Allentown-Bethlehem
Sun 9/13
6:08 pm-11:58 pm
1 stop8h 50m
$359
SeattleAllentown
SEA - ABE
SEAABE
Seattle/Tacoma Intl
Wed 10/7
11:13 pm-9:35 am
1 stop7h 22m
Allentown-Bethlehem
Wed 10/14
10:37 am-8:37 pm
2 stops13h 00m
$388
SeattleAllentown
SEA - ABE
SEAABE
Seattle/Tacoma Intl
Tue 8/4
11:59 pm-12:28 pm
1 stop9h 29m
Allentown-Bethlehem
Sun 8/9
6:08 pm-11:57 pm
1 stop8h 49m
$427
SeattleAllentown
SEA - ABE
SEAABE
Seattle/Tacoma Intl
Tue 7/28
11:59 pm-12:22 pm
1 stop9h 23m
Allentown-Bethlehem
Mon 8/3
6:08 pm-11:57 pm
1 stop8h 49m
$427
Quickest round-trip
SeattleAllentown
SEA - ABE
SEAABE
Seattle/Tacoma Intl
Thu 8/20
11:00 pm-9:57 am
1 stop7h 57m
Allentown-Bethlehem
Thu 8/27
5:36 pm-10:43 pm
1 stop8h 07m
$429
SeattleAllentown
SEA - ABE
SEAABE
Seattle/Tacoma Intl
Sat 10/3
7:25 pm-9:35 am
2 stops11h 10m
Allentown-Bethlehem
Wed 10/7
5:46 pm-10:56 pm
1 stop8h 10m
$464
SeattleAllentown
SEA - ABE
SEAABE
Seattle/Tacoma Intl
Fri 8/14
6:00 am-5:23 pm
1 stop8h 23m
Allentown-Bethlehem
Sat 8/15
1:10 pm-10:05 pm
2 stops11h 55m
$503
SeattleAllentown
SEA - ABE
SEAABE
Seattle/Tacoma Intl
Fri 9/18
5:20 pm-9:57 am
2 stops13h 37m
Allentown-Bethlehem
Mon 9/21
5:36 pm-10:45 pm
1 stop8h 09m
$514
SeattleAllentown
SEA - ABE
SEAABE
Seattle/Tacoma Intl
Wed 8/5
6:00 am-5:23 pm
1 stop8h 23m
Allentown-Bethlehem
Sun 8/9
6:08 pm-11:57 pm
1 stop8h 49m
$564
SeattleAllentown
SEA - ABE
SEAABE
Seattle/Tacoma Intl
Wed 8/5
6:00 am-5:23 pm
1 stop8h 23m
Allentown-Bethlehem
Tue 8/18
1:10 pm-8:23 pm
1 stop10h 13m
$589
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Seattle to Allentown
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 Seattle to Allentown 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 Seattle-Allentown flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Allentown flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Allentown flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Allentown 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 Seattle-Allentown 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 Seattle to Allentown
Have a flexible travel schedule? Discover the best time to fly to Allentown from Seattle with our price prediction graph.
SEA-ABE
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.
Reviews of airlines servicing Allentown
Get insights into the airlines that provide service to Allentown. 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 Allentown. Reviews last updated July 24, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from Seattle to Allentown. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Food
6.6
Overall
7.4
Crew
8.1
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Boarding
7.7
Food
6.6
Overall
7.4
Crew
8.1
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Boarding
7.7
Food
6.6
Overall
7.4
Crew
8.1
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Related info for your journey
Find useful and relevant information for your journey from Seattle to Allentown. 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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Other flights to Allentown
Explore flights to Allentown departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
Alternative routes for Seattle to Allentown
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Allentown by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Seattle to Allentown, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Allentown flights
Browse other Seattle and Allentown flight options. Last updated on July 24, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Seattle to Allentown
Discover the top 2 airlines that operate flights from Seattle to Allentown. 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 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$289 | Average$512 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$292 | Average$443 | FlexibilityNo cancel fee | On-time69% |