Cheap Flights from Denver (DEN) to Onslow (ONS)

Popular airlines from Denver Intl. Airport (DEN) to Onslow, WA (ONS)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Onslow Airport (ONS) cost?
Get a cheap one-way flight or cheap return flight from Denver Intl. Airport (DEN) to Onslow Airport (ONS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Onslow Airport (ONS)?
Flying in is a good way to save, as it's the cheapest month for flights between DEN and ONS. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Onslow Airport (ONS)?
To find the cheapest airline that'll fly you from DEN to ONS, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Denver Intl. Airport (DEN) to Onslow Airport (ONS)?
Direct flights from Denver Intl. Airport (DEN) to Onslow Airport (ONS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DEN to ONS?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the airline, season 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 Denver Intl. Airport (DEN) to Onslow Airport (ONS)?
To avoid possible delays on the Denver Intl. Airport (DEN) to Onslow Airport (ONS) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Denver Intl. Airport (DEN) to Onslow Airport (ONS) last-minute?
Booking your ticket from DEN to ONS right before your getaway is usually more expensive. But if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a DEN to ONS flight and hotel package?
Compared with arranging flights and hotels separately, booking a DEN to ONS flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place takes the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Onslow Airport (ONS)?
It's usually possible to reschedule or cancel your DEN to ONS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Denver Intl.
Destination airport
Onslow
Distance
9790 mi

Book with confidence

Book with confidence

Denver to Onslow Flights

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

 

The best time to book a flight from Denver to Onslow

Sunday is one of the best days to book for cheap flights from Denver 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 Denver 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 Denver 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 Denver 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 Denver 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.

 

Denver to Onslow Flights
*Available to One Key members.