Cheap flights from Seattle to Allentown from $189
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Allentown departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Seattle to Allentown
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 day to depart on your flight to Allentown?
The cheapest day to depart from Seattle to Allentown is on a Sunday when prices can be found for as low as $380. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Saturday is $980.
What is the cheapest time of day to depart on your flight to Allentown?
In the evening is the cheapest time of day to fly from Seattle to Allentown when you can find flight prices for as low as $593. Flying to Allentown in the evening is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $782.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Allentown-Bethlehem?
Delta, American Airlines, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Allentown-Bethlehem
What airlines fly to Allentown?
Alaska Airlines, United Airlines and American Airlines are the top three most popular airlines that fly to Allentown from Seattle according to our data. Alaska Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 9 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.
When to book flights from Seattle to Allentown
Cheap Seattle to Allentown (SEA to ABE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Allentown
How far is Seattle/Tacoma Intl to Allentown-Bethlehem by plane?
The distance between Seattle/Tacoma Intl and Allentown-Bethlehem is about 2336.4 mi. Flights usually cover this in 7h 22m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Allentown-Bethlehem Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Allentown-Bethlehem Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Allentown-Bethlehem Airport?
As of June 2025, there are 3 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Allentown-Bethlehem Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Allentown-Bethlehem Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The necessary travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to Allentown?
Based on momondo bookings for flights between Seattle and Allentown, the leading airline is American Airlines, making up 54% of the total bookings. Other popular airlines include United Airlines with 25% and Delta with 21%.
Best airlines flying from Seattle to Allentown
Compare and see reviews for airlines that fly from Seattle to Allentown with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $297 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $366 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $383 | Free Cancellation | Rating 7.4 8,790 reviews |
Traveling to a place near Allentown?
Book flights to Allentown if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Allentown?
It is quick and easy to find Seattle to Allentown flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Allentown that suits you.
Can I find flights from Seattle to Allentown with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Allentown from Seattle with this policy.
How can momondo help me find flights from Seattle to Allentown?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Allentown from Seattle.
I’m not ready to book a flight from Seattle to Allentown right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Seattle to Allentown now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Allentown and let you know when they change.