Cheap Flights from Seattle (SEA) to Onslow (ONS)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Onslow, WA (ONS)

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Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Onslow Airport (ONS) cost?
Lock in a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Onslow Airport (ONS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Onslow Airport (ONS)?
is the most affordable month to fly from SEA to ONS. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Onslow Airport (ONS)?
To find the cheapest airline flying from SEA to ONS, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Onslow Airport (ONS)?
You'll have to hop on a flight with a layover when traveling from Seattle - Tacoma Intl. Airport (SEA) to Onslow Airport (ONS). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SEA to ONS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Onslow Airport (ONS)?
To avoid possible delays on the Seattle - Tacoma Intl. Airport (SEA) to Onslow Airport (ONS) route, aim to fly before 3 PM. Later flights 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 Seattle - Tacoma Intl. Airport (SEA) to Onslow Airport (ONS) last-minute?
Booking your plane ticket from SEA to ONS just before your getaway is generally more expensive. However, if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a SEA to ONS flight and hotel package?
Opting for a SEA to ONS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Onslow Airport (ONS)?
In most instances, you can modify or cancel your SEA to ONS flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further details, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Onslow
Distance
8817 mi

Book with confidence

Book with confidence

Seattle to Onslow Flights

The cheapest times to fly from Seattle to Onslow

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 Seattle to Onslow are during the month of . You can find some of the cheapest flights from Seattle to Onslow with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Onslow

Sunday is one of the best days to book for cheap flights from Seattle to Onslow: 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 Seattle to Onslow

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 Seattle to Onslow 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 Seattle to Onslow 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 Seattle to Onslow 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.

 

Seattle to Onslow Flights
*Available to One Key members.