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Cheap flights from Allentown to Seattle from $205

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Seattle departing on 4/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Allentown to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:35 pm - 10:42 pm
ABE
-
SEA
8h 07m
1 stop
United Airlines Logo
11:48 pm - 10:00 am
SEA
-
ABE
7h 12m
1 stop
$407United Airlines
mar., may. 5 - mar., may. 12
United Airlines Logo
5:35 pm - 10:42 pm
ABE
-
SEA
8h 07m
1 stop
United Airlines Logo
7:36 pm - 10:00 am
SEA
-
ABE
11h 24m
2 stops
$412United Airlines
mar., may. 5 - mar., may. 12
Delta Logo
2:00 pm - 10:52 pm
ABE
-
SEA
11h 52m
1 stop
Delta Logo
9:55 am - 12:05 pm
SEA
-
ABE
23h 10m
2 stops
$417Delta
sáb., feb. 7 - mar., feb. 10
American Airlines Logo
1:02 pm - 7:04 pm
ABE
-
SEA
9h 02m
1 stop
American Airlines Logo
7:00 am - 10:26 pm
SEA
-
ABE
12h 26m
2 stops
$422American Airlines
dom., feb. 8 - mar., feb. 10
Delta Logo
2:00 pm - 10:52 pm
ABE
-
SEA
11h 52m
1 stop
Delta Logo
7:15 am - 12:05 pm
SEA
-
ABE
25h 50m
2 stops
$427Delta
sáb., feb. 7 - lun., feb. 9
United Airlines Logo
4:57 pm - 10:43 pm
ABE
-
SEA
8h 46m
1 stop
United Airlines Logo
5:10 pm - 10:41 am
SEA
-
ABE
14h 31m
2 stops
$428United Airlines
vie., feb. 6 - lun., feb. 9
United Airlines Logo
6:15 am - 11:32 am
ABE
-
SEA
8h 17m
1 stop
United Airlines Logo
7:30 pm - 10:41 am
SEA
-
ABE
12h 11m
2 stops
$432United Airlines
dom., feb. 8 - lun., feb. 9
United Airlines Logo
11:30 am - 9:25 pm
ABE
-
SEA
12h 55m
2 stops
United Airlines Logo
5:10 pm - 10:41 am
SEA
-
ABE
14h 31m
2 stops
$434United Airlines
sáb., feb. 7 - lun., feb. 9
Delta Logo
2:00 pm - 10:52 pm
ABE
-
SEA
11h 52m
1 stop
Delta Logo
6:15 am - 5:14 pm
SEA
-
ABE
7h 59m
1 stop
$454Delta
sáb., feb. 7 - mar., feb. 10
United Airlines Logo
6:15 am - 11:32 am
ABE
-
SEA
8h 17m
1 stop
United Airlines Logo
10:58 am - 9:05 pm
SEA
-
ABE
7h 07m
1 stop
$457United Airlines
dom., feb. 8 - mié., feb. 11

Delta flights from Allentown to Seattle

Our best Delta deals on Allentown to Seattle flight tickets
Delta
Feb 7
ABE2:00 pmAllentown-Bethlehem
11h 52m
1 stop
SEA10:52 pmSeattle/Tacoma Intl
Feb 10
SEA9:55 amSeattle/Tacoma Intl
23h 10m
2 stops
ABE12:05 pmAllentown-Bethlehem
$417
Delta
Feb 7
ABE2:00 pmAllentown-Bethlehem
11h 52m
1 stop
SEA10:52 pmSeattle/Tacoma Intl
Feb 9
SEA7:15 amSeattle/Tacoma Intl
25h 50m
2 stops
ABE12:05 pmAllentown-Bethlehem
$427
Delta
Feb 7
ABE2:00 pmAllentown-Bethlehem
11h 52m
1 stop
SEA10:52 pmSeattle/Tacoma Intl
Feb 10
SEA6:15 amSeattle/Tacoma Intl
7h 59m
1 stop
ABE5:14 pmAllentown-Bethlehem
$454

American Airlines flights from Allentown to Seattle

Our best American Airlines deals on Allentown to Seattle flight tickets
American Airlines
Feb 8
ABE1:02 pmAllentown-Bethlehem
9h 02m
1 stop
SEA7:04 pmSeattle/Tacoma Intl
Feb 10
SEA7:00 amSeattle/Tacoma Intl
12h 26m
2 stops
ABE10:26 pmAllentown-Bethlehem
$422
American Airlines
Jan 22
ABE7:30 amAllentown-Bethlehem
14h 34m
1 stop
SEA7:04 pmSeattle/Tacoma Intl
Jan 24
SEA7:00 amSeattle/Tacoma Intl
12h 26m
1 stop
ABE10:26 pmAllentown-Bethlehem
$860
American Airlines
Jan 23
ABE7:30 amAllentown-Bethlehem
14h 34m
1 stop
SEA7:04 pmSeattle/Tacoma Intl
Jan 26
SEA9:45 pmSeattle/Tacoma Intl
11h 47m
1 stop
ABE12:32 pmAllentown-Bethlehem
$881

momondo 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, momondo users made 832,500 searches. Data last updated enero 20, 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

Price

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

mar. 5/5

5:35 pm-10:42 pm

1 stop8h 07m

Seattle/Tacoma Intl

mar. 5/12

11:48 pm-10:00 am

1 stop7h 12m

$407

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

mar. 5/5

5:35 pm-10:42 pm

1 stop8h 07m

Seattle/Tacoma Intl

mar. 5/12

7:36 pm-10:00 am

2 stops11h 24m

$412

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

sáb. 2/7

2:00 pm-10:52 pm

1 stop11h 52m

Seattle/Tacoma Intl

mar. 2/10

9:55 am-12:05 pm

2 stops23h 10m

$417

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

dom. 2/8

1:02 pm-7:04 pm

1 stop9h 02m

Seattle/Tacoma Intl

mar. 2/10

7:00 am-10:26 pm

2 stops12h 26m

$422

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

sáb. 2/7

2:00 pm-10:52 pm

1 stop11h 52m

Seattle/Tacoma Intl

lun. 2/9

7:15 am-12:05 pm

2 stops25h 50m

$427

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

vie. 2/6

4:57 pm-10:43 pm

1 stop8h 46m

Seattle/Tacoma Intl

lun. 2/9

5:10 pm-10:41 am

2 stops14h 31m

$428

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

dom. 2/8

6:15 am-11:32 am

1 stop8h 17m

Seattle/Tacoma Intl

lun. 2/9

7:30 pm-10:41 am

2 stops12h 11m

$432

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

sáb. 2/7

11:30 am-9:25 pm

2 stops12h 55m

Seattle/Tacoma Intl

lun. 2/9

5:10 pm-10:41 am

2 stops14h 31m

$434

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

sáb. 2/7

2:00 pm-10:52 pm

1 stop11h 52m

Seattle/Tacoma Intl

mar. 2/10

6:15 am-5:14 pm

1 stop7h 59m

$454

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

dom. 2/8

6:15 am-11:32 am

1 stop8h 17m

Seattle/Tacoma Intl

mié. 2/11

10:58 am-9:05 pm

1 stop7h 07m

$457

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Allentown to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, October is the cheapest month to fly from Allentown to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $294. If you don’t want to visit Seattle in October, then you should wait until March to fly from Allentown, when ticket prices are also cheap, with an average price of $388.

When to book flights from Allentown to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to Seattle (ABE to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Seattle

Fastest flight time

7h 57m

Direct flights

None
The fastest flight from Allentown to Seattle takes 7h 57m
There are no direct flights from Allentown to Seattle. There are no popular flight routes from Allentown to Seattle.
Search flight deals

  • How far is Allentown-Bethlehem to Seattle/Tacoma Intl by plane?

    The straight-line distance from Allentown-Bethlehem to Seattle/Tacoma Intl is 2336.4 mi. 7h 57m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Allentown-Bethlehem Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Allentown-Bethlehem Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Allentown-Bethlehem Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Allentown to Seattle?

Best airlines flying from Allentown to Seattle

Compare and see reviews for airlines that fly from Allentown to Seattle with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $275Free CancellationRating
7.4
9,180 reviews
Search United Airlines flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
11,164 reviews
Search American Airlines flights

Traveling to a place near Seattle?

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

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Allentown to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Allentown to Seattle with flexible booking policies on momondo?

All flight searches from Allentown to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Allentown to Seattle?

Once you have performed a search for Allentown to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Allentown to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Allentown and alert you when they change.

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