How much is a ticket from Seattle to Allentown?

Depending on when you travel and how far in advance you book, fares between Seattle and Allentown/Bethlehem/Easton can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Which departure and arrival airports are available?

Between Seattle and Allentown/Bethlehem/Easton, flight options may depend on the combination of airports available.

• Airports in Seattle: Seattle is connected by 2 airports - Boeing Field, Lake Union.
• Airports in Allentown/Bethlehem/Easton: Allentown/Bethlehem/Easton is the only active airport in the area.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Adjust your flight filters for Seattle – Allentown

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Other popular destinations

Planning a trip to United States? These cities are popular too: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.