Cheap Flights from San Francisco (SFO) to Duncan (DUC)

Popular airlines from San Francisco Intl. Airport (SFO) to Duncan, OK (DUC-Halliburton Field)

Alternative airports near Duncan

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lawton-Fort Sill Regional LAW. Cheapest option available. Average driving time to city center is 48 minutes. Flights from $440
LAW
Lawton-Fort Sill Regional
Cheapest
Average driving time to city center48 min
Flights from $440

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Duncan, OK (DUC-Halliburton Field) cost?
Get a cheap one-way flight or cheap return flight from San Francisco Intl. Airport (SFO) 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 San Francisco Intl. Airport (SFO) to Duncan, OK (DUC-Halliburton Field)?
The cheapest month to fly from SFO to DUC is , when demand is low. Off-peak months are often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Duncan, OK (DUC-Halliburton Field)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SFO to DUC flight.
How many flights per day from San Francisco Intl. Airport (SFO) to Duncan, OK (DUC-Halliburton Field)?
There aren't any daily direct flights from San Francisco Intl. Airport (SFO) to Duncan, OK (DUC-Halliburton Field). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from SFO to DUC?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change depending on the time of year, airline 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 San Francisco Intl. Airport (SFO) to Duncan, OK (DUC-Halliburton Field)?
To avoid possible delays on the San Francisco Intl. Airport (SFO) to Duncan, OK (DUC-Halliburton Field) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be 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 San Francisco Intl. Airport (SFO) to Duncan, OK (DUC-Halliburton Field) last-minute?
Last-minute fares from SFO to DUC are usually more expensive. To lock in the best prices, start looking for flights ahead of time. That said, if you're flexible with your travel plans, it's possible to land a cheap ticket right before your journey.
Is it cheaper to book a SFO to DUC flight and hotel package?
Booking a SFO to DUC flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Duncan, OK (DUC-Halliburton Field)?
If you booked your SFO to DUC flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Halliburton Field
Distance
1377 mi

Book with confidence

San Francisco to Duncan Flights

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

 

The best time to book a flight from San Francisco to Duncan

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

 

San Francisco to Duncan Flights

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*Available to One Key members.