Cheap Flights from Reading (RDG) to Seattle (SEA)

Popular airlines from Reading, PA (RDG-Reading Regional) to Seattle-Tacoma International Airport (SEA)

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Frequently asked questions

How much does a flight from Reading, PA (RDG-Reading Regional) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight or cheap return flight from Reading, PA (RDG-Reading Regional) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Reading, PA (RDG-Reading Regional) to Seattle - Tacoma Intl. Airport (SEA)?
Traveling in may help you find better deals, as it's the cheapest month for flights between RDG and SEA. You'll often find the lowest fares during the off-season.
Which airlines fly direct from Reading, PA (RDG-Reading Regional) to Seattle - Tacoma Intl. Airport (SEA)?
While Reading, PA (RDG-Reading Regional) doesn't have any direct flights to Seattle - Tacoma Intl. Airport (SEA), other airports have nonstop routes. Taking off from Philadelphia Intl. Airport (PHL) will get you to Seattle without any detours.
What is the cheapest airline that flies from Reading, PA (RDG-Reading Regional) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest RDG to SEA flight.
How many flights per day from Reading, PA (RDG-Reading Regional) to Seattle - Tacoma Intl. Airport (SEA)?
You'll need to hop on a flight with a layover if you're traveling from Reading, PA (RDG-Reading Regional) to Seattle - Tacoma Intl. Airport (SEA). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from RDG to SEA?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Reading, PA (RDG-Reading Regional) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid potential delays on the Reading, PA (RDG-Reading Regional) to Seattle - Tacoma Intl. Airport (SEA) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Reading, PA (RDG-Reading Regional) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your flight from RDG to SEA just before your getaway is typically more expensive. But if you're flexible with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a RDG to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a RDG to SEA flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Reading, PA (RDG-Reading Regional) to Seattle - Tacoma Intl. Airport (SEA)?
If you reserved your RDG to SEA flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Reading Regional
Destination airport
Seattle - Tacoma Intl.
Distance
2321 mi

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Reading to Seattle Flights

The cheapest times to fly from Reading to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Reading to Seattle are during the month of . You can find some of the cheapest flights from Reading to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Reading to Seattle

Sunday is one of the best days to book for cheap flights from Reading to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Reading to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Reading to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Reading to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Reading to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Reading to Seattle Flights

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*Available to One Key members.