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$257+ Cheap flights from Lehigh Valley to Seattle (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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SEA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Lehigh Valley to Seattle

Cheapest flights from Lehigh Valley to Seattle
Explore the most affordable flight options available from Lehigh Valley to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/256:17 amABE - SEA
2 stops10h 41mUnited Airlines
Tue 1/611:00 amSEA - ABE
1 stop7h 05mUnited Airlines
Deal found 12/15$518
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/256:17 amABE - SEA
2 stops10h 41mUnited Airlines
Wed 1/77:30 pmSEA - ABE
2 stops12h 11mUnited Airlines
Deal found 12/15$523
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/256:04 amABE - SEA
1 stop9h 33mAmerican Airlines
Thu 1/16:00 amSEA - ABE
1 stop7h 33mAmerican Airlines
Deal found 12/17$546
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:17 amABE - SEA
2 stops10h 41mUnited Airlines
Thu 1/110:57 amSEA - ABE
1 stop7h 50mUnited Airlines
Deal found 12/17$560
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:17 amABE - SEA
1 stop8h 46mUnited Airlines
Wed 12/3110:52 amSEA - ABE
1 stop7h 55mUnited Airlines
Deal found 12/17$568
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:17 amABE - SEA
1 stop8h 46mUnited Airlines
Thu 1/110:57 amSEA - ABE
1 stop7h 50mUnited Airlines
Deal found 12/17$608
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/256:17 amABE - SEA
2 stops14h 49mUnited Airlines
Mon 1/511:59 pmSEA - ABE
1 stop7h 42mUnited Airlines
Deal found 12/15$613

Find flight deals from Lehigh Valley to Seattle

Keep the following information in mind while searching for Lehigh Valley to Seattle flight deals. Data was last updated December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$257
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$542
Provider with most accurate pricing for New York (NYC)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Seattle/Tacoma Intl flights.
Search Deals
From Lehigh Valley to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Lehigh Valley 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 December 18, 2025.
Use the filters below to find and compare flights from Lehigh Valley to Seattle that are best for you.

Fly from

Lehigh Valley

Fly to

Seattle

Route

Depart

Return

Price

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Wed 1/14

6:15 am-11:32 am

1 stop8h 17m

Seattle/Tacoma Intl

Wed 1/21

10:58 am-9:05 pm

1 stop7h 07m

$257

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Wed 1/14

1:02 pm-8:45 pm

1 stop10h 43m

Seattle/Tacoma Intl

Wed 1/21

7:00 am-10:26 pm

2 stops12h 26m

$302

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Fri 1/30

4:57 pm-10:43 pm

1 stop8h 46m

Seattle/Tacoma Intl

Tue 2/3

10:58 am-9:05 pm

1 stop7h 07m

$357

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Thu 2/19

6:28 am-11:49 am

1 stop8h 21m

Seattle/Tacoma Intl

Mon 2/23

7:29 pm-10:01 am

2 stops11h 32m

$361

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Sat 1/31

6:15 am-11:32 am

1 stop8h 17m

Seattle/Tacoma Intl

Wed 2/4

5:10 pm-10:41 am

2 stops14h 31m

$413

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Thu 2/26

5:23 pm-10:43 pm

1 stop8h 20m

Seattle/Tacoma Intl

Mon 3/2

7:29 pm-10:01 am

2 stops11h 32m

$422

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Fri 3/27

5:54 pm-11:54 pm

1 stop9h 00m

$330

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Fri 1/30

6:28 am-12:20 pm

1 stop8h 52m

$330

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Sat 1/31

6:28 am-2:18 pm

1 stop10h 50m

$400

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Thu 12/25

6:17 am-12:03 pm

1 stop8h 46m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 14 results
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Best time to book a flight from Lehigh Valley to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Lehigh Valley with our price prediction graph.
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 Lehigh Valley to Seattle

What is the cheapest month to book a flight from Lehigh Valley to Seattle?

Currently, February is the cheapest month in which you can book a flight from Lehigh Valley to Seattle (average of $287). Flying from Lehigh Valley to Seattle in December is currently the most expensive (average of $568). 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.

What is the cheapest time of day to fly from YGE to SEA?

Find hourly flight availability from Lehigh Valley to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Lehigh Valley to Seattle is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 75% on airfare.

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 December 18, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Lehigh Valley to Seattle by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,091 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,091 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

Find useful and relevant information for your journey from Lehigh Valley to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Lehigh Valley?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Seattle from Lehigh Valley.

  • How long is the flight from Lehigh Valley to Seattle?

    United Airlines and American Airlines can get you from Lehigh Valley to Seattle in just under 8h 17m. Your travel time can differ by up to 2h 26m. The distance between Lehigh Valley and Seattle is about 2336 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Lehigh Valley to Seattle that include hotel bookings?

    Yes. In addition to deals on Lehigh Valley to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lehigh Valley to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lehigh Valley to Seattle.

  • Can I find deals for business class flights from Lehigh Valley to Seattle?

    Yes. Cheapflights offers flight deals from Lehigh Valley to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Lehigh Valley to Seattle?

    Currently, February is the cheapest month in which you can book a flight from Lehigh Valley to Seattle (average of $287). Flying from Lehigh Valley to Seattle in December is currently the most expensive (average of $568). 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Lehigh Valley to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Lehigh Valley to Seattle

Discover the top 2 airlines that operate flights from Lehigh Valley 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$293Average$622FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$298Average$467FlexibilityNo cancel feeOn-time71%

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