Cheap Flights from Seattle (SEA) to Duncan (DUC)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Duncan, OK (DUC-Halliburton Field)

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Duncan, OK (DUC-Halliburton Field) cost?
Lock in a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Duncan, OK (DUC-Halliburton Field) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Duncan, OK (DUC-Halliburton Field)?
Planning your trip for is a great way to save, as it's the cheapest month for flights between SEA and DUC. You'll usually find the lowest prices during the off-season.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Duncan, OK (DUC-Halliburton Field)?
You'll have to book a flight with a layover when traveling from Seattle - Tacoma Intl. Airport (SEA) to Duncan, OK (DUC-Halliburton Field). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from SEA to DUC?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Duncan, OK (DUC-Halliburton Field)?
To land at Duncan, OK (DUC-Halliburton Field) on schedule, select a flight that leaves Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Duncan, OK (DUC-Halliburton Field) last-minute?
Waiting until just before your trip to book your flight from SEA to DUC generally means paying more. While it's possible to find some last-minute deals, there's no guarantee. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book a SEA to DUC flight and hotel package?
You'll generally save money by booking a SEA to DUC flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Duncan, OK (DUC-Halliburton Field)?
In most instances, you can cancel or reschedule your SEA to DUC flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Halliburton Field
Distance
1543 mi

Book with confidence

Book with confidence

Seattle to Duncan Flights

The cheapest times to fly from Seattle to Duncan

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

 

The best time to book a flight from Seattle to Duncan

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

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 Duncan 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 Duncan 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 Duncan 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 Duncan Flights

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*Available to One Key members.