---
title: "$19 Cheap Flights to Knights Valley, CA - Expedia"
description: "Looking for cheap flights to Knights Valley? Many airlines offer no change fee on selected flights and book now to earn your airline miles on top of our rewards! Find great 2026 Knights Valley flight deals now!"
canonical: "https://www.expedia.com/Cheap-Flights-To-Knights-Valley.d736344423504044032.Travel-Guide-Flights"
language: en-US
market: US
currency: USD
prices_as_of: 2026-11-12T22:37:32Z
---

# $19 Cheap Flights to Knights Valley, CA

[View $19 flight on Sat, Dec 19, 2026](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:SFO,departure:12/19/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:18.98&airProductToken=AQoxCi8IxnISBDQ1OTMYi7gBILJxKOehoAMwxqKgAzhFQABYAWoEUENfMXIHSzIxU1hTMxIKCAEQARgBKgJGORgBIgQIARABKAIoAygEMA0)

## Popular airlines

Alaska Airlines

American Airlines

Delta

Frontier Airlines

United

JetBlue Airways

Southwest Airlines

## Expedia's flights to Knights Valley

Prices were available within the past 7 days and start at $19 for one-way flights and $38 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

[Select Frontier Airlines flight, departing Thu, Dec 10 from Columbus to San Francisco, returning Mon, Dec 14, priced at $190 Found 10 hours ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SFO,departure:12/10/2026TANYT&leg2=from:SFO,to:CMH,departure:12/14/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:189.96&airProductToken=AQpgCi4IxnISBDE2OTMYgjsgg2ko4bqfAzCqvJ8DOEVAAFgBagRQQ18xcgdaMjFWWFAyCi4IxnISBDEwOTMYg2kgsnEoo8afAzDTx58DOEVAAVgBagRQQ18xcgdaMjFWWFAyCmAKLgjGchIEMTQ0OBiycSDgXCiS658DMLDtnwM4RUAAWAFqBFBDXzFyB1oyMVZYUDIKLgjGchIEMjU0MBjgXCCCOyj37p8DMNrvnwM4RUABWAFqBFBDXzFyB1oyMVZYUDISCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAN)

Thu, Dec 10 - Mon, Dec 14 · CMH · SFO · Roundtrip

[Select Frontier Airlines flight, departing Thu, Dec 24 from Columbus to San Francisco, returning Thu, Jan 7, priced at $200 Found 1 day ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SFO,departure:12/24/2026TANYT&leg2=from:SFO,to:CMH,departure:1/7/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:199.98&airProductToken=AQpCCh8IxnISBDE2OTMYgjsgg2kojdegAzDV2KADOFpAAFgBCh8IxnISBDM0MzkYg2kgsnEo9tqgAzCj3KADOFpAAVgBCkIKHwjGchIEMTIzMBiycSCDaSiI8aEDMKjyoQM4WkAAWAEKHwjGchIEMTY5NBiDaSCCOyjl8qEDMJb0oQM4WkABWAESCggBEAEYASoCRjkYASIECAEQASgEMAE)

Thu, Dec 24 - Thu, Jan 7 · CMH · SFO · Roundtrip

[Select Frontier Airlines flight, departing Thu, Dec 10 from Columbus to San Francisco, returning Sun, Dec 13, priced at $250 Found 7 hours ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SFO,departure:12/10/2026TANYT&leg2=from:SFO,to:CMH,departure:12/13/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:249.96&airProductToken=AQpgCi4IxnISBDE2OTMYgjsgg2ko4bqfAzCqvJ8DOEVAAFgBagRQQ18xcgdaMjFWWFAyCi4IxnISBDEwOTMYg2kgsnEoo8afAzDTx58DOEVAAVgBagRQQ18xcgdaMjFWWFAyCmAKLgjGchIEMTIzMBiycSCDaSiG2J8DMKbZnwM4RUAAWAFqBFBDXzFyB1owMFBYUDIKLgjGchIEMTY5NBiDaSCCOyjk2p8DMJTcnwM4RUABWAFqBFBDXzFyB1owMFBYUDISCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAN)

Thu, Dec 10 - Sun, Dec 13 · CMH · SFO · Roundtrip

[Select Frontier Airlines flight, departing Sun, Dec 6 from Columbus to San Francisco, returning Thu, Dec 10, priced at $255 Found 18 hours ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SFO,departure:12/6/2026TANYT&leg2=from:SFO,to:CMH,departure:12/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:254.96&airProductToken=AQpgCi4IxnISBDE2OTMYgjsgg2ko4Y2fAzCqj58DOEVAAFgBagRQQ18xcgdaMjFQWFAyCi4IxnISBDEyMjkYg2kgsnEoz5SfAzCDlp8DOEVAAVgBagRQQ18xcgdaMjFQWFAyCmAKLgjGchIEMTIzMBiycSCDaSimtp8DMMa3nwM4RUAAWAFqBFBDXzFyB1oyMVZYUDIKLgjGchIEMTY5NBiDaSCCOyiEuZ8DMLS6nwM4RUABWAFqBFBDXzFyB1oyMVZYUDISCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAN)

Sun, Dec 6 - Thu, Dec 10 · CMH · SFO · Roundtrip

[Select Frontier Airlines flight, departing Thu, Jan 21 from Columbus to San Francisco, returning Sun, Jan 24, priced at $260 Found 8 hours ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SFO,departure:1/21/2027TANYT&leg2=from:SFO,to:CMH,departure:1/24/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:259.97&airProductToken=AQpeCi0IxnISBDE2OTMYgjsgg2kohZKjAzDVk6MDOFpAAFgBagNFQ09yB1oyMVZYUDIKLQjGchIEMzQzORiDaSCycSj2laMDMKKXowM4WkABWAFqA0VDT3IHWjIxVlhQMgpeCi0IxnISBDEyMzAYsnEgg2koqLCjAzDKsaMDOFpAAFgBagNFQ09yB1owMFBYUDIKLQjGchIEMTY5NBiDaSCCOyiFsqMDMK6zowM4WkABWAFqA0VDT3IHWjAwUFhQMhIKCAEQARgBKgJGORgBIgQIARABKAIoAygEMAE)

Thu, Jan 21 - Sun, Jan 24 · CMH · SFO · Roundtrip

[Select Frontier Airlines flight, departing Thu, Dec 10 from Columbus to Ontario, returning Thu, Dec 17, priced at $263 Found 6 days ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:ONT,departure:12/10/2026TANYT&leg2=from:ONT,to:CMH,departure:12/17/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:262.72&airProductToken=AQphCi4IxnISBDE2OTMYgjsgg2ko4bqfAzCqvJ8DOEVAAFgBagRQQ18xcgdHMjFSWFMzCi8IxnISBDEyNjEYg2kgrpsBKMO9nwMw1L6fAzhFQAFYAWoEUENfMXIHRzIxUlhTMwphCi8IxnISBDE1MDAYrpsBIINpKIaFoAMwloagAzhFQABYAWoEUENfMXIHSzIxUlhTMwouCMZyEgQxNjk0GINpIII7KMWGoAMw9oegAzhFQAFYAWoEUENfMXIHSzIxUlhTMxIKCAEQARgBKgJGORgBIgQIARABKAIoAygEMA0)

Thu, Dec 10 - Thu, Dec 17 · CMH · ONT · Roundtrip

[Select Southwest Airlines flight, departing Sat, Dec 5 from Columbus to San Francisco, returning Mon, Dec 7, priced at $265 Found 1 day ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SFO,departure:12/5/2026TANYT&leg2=from:SFO,to:CMH,departure:12/7/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:264.18&airProductToken=AQpiCi8I15wBEgQxMjY2GII7IIuQASjkgJ8DMO2CnwM4VkAAWAFqA1dHQXIHVkRBVksySQovCNecARIEMjk3NBiLkAEgsnEon4OfAzCIhJ8DOFZAAVgBagNXR0FyB1ZEQVZLMkkSCggBEAEYASoCV04YASIECAEQASgCKAMoBDAB)

Sat, Dec 5 - Mon, Dec 7 · CMH · SFO · Roundtrip

[Select JetBlue Airways flight, departing Thu, Feb 4 from Columbus to Los Angeles, returning Wed, Feb 10, priced at $361 Found 1 hour ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:LAX,departure:2/4/2027TANYT&leg2=from:LAX,to:CMH,departure:2/10/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:360.40&airProductToken=AQpeCi0IwmwSBDE1MDcYgjsg5Voo1KqkAzD-q6QDOExAAFgBagJETnIIUEMwUVJFWTEKLQjCbBIDOTAxGOVaIIu4ASj2rKQDMOCvpAM4TEABWAFqAkROcghQQzBRUkVZMQpeCi0IwmwSAzMwMBiLuAEg5VoohPCkAzCm8qQDOExAAFgBagJETnIIUEMwUVJFWTEKLQjCbBIEMTUwOBjlWiCCOyif9KQDMM31pAM4TEABWAFqAkROcghQQzBRUkVZMRIKCAEQARgBKgJCNhgBIgQIARABKAIoAygEMAE)

Thu, Feb 4 - Wed, Feb 10 · CMH · LAX · Roundtrip

[Select Bargain Flight flight, departing Tue, Dec 8 from Columbus to San Diego, returning Wed, Dec 9, priced at $371 Found 2 days ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SAN,departure:12/8/2026TANYT&leg2=from:SAN,to:CMH,departure:12/9/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:370.93&airProductToken=AQpeCi0IwaYBEgM0NzAYgjsgkgEolp-fAzDeoZ8DOFhAAFgBagJTVnIIR0gyT0FKQk4KLQjBpgESAzYyMRiSASCSaCjCop8DMO6jnwM4WEABWAFqAlNWcghHSDJPQUpCTgpeCi0IwaYBEgM3OTIYkmggkgEos6ufAzDzrJ8DOFhAAFgBagJTVnIIR0gyT0FKQk4KLQjBpgESAzQ3MRiSASCCOyiirp8DMKSwnwM4WEABWAFqAlNWcghHSDJPQUpCThIKCAkQAhgCKgJBUxgBIgQIARABKAcoAzAB)

Tue, Dec 8 - Wed, Dec 9 · CMH · Roundtrip

[Select United flight, departing Sat, Dec 5 from Columbus to San Diego, returning Sun, Dec 6, priced at $372 Found 1 hour ago](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SAN,departure:12/5/2026TANYT&leg2=from:SAN,to:CMH,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:371.90&airProductToken=AQpvCjYI1YIBEgQxMzg5GII7IINpKMSBnwMwj4OfAzhOQABYAWoKMV9iYXNpY2Vjb3IITEFBMkFLQk4KNQjVggESAzU0MBiDaSCSaCjCg58DMNmEnwM4TkAAWAFqCjFfYmFzaWNlY29yCExBQTJBS0JOCnAKNgjVggESBDIyNzQYkmggsnEo4omfAzDQip8DOE5AAFgBagoxX2Jhc2ljZWNvcghMQUEyQUtCTgo2CNWCARIEMTk1NBiycSCCOyiqi58DMMCNnwM4TkAAWAFqCjFfYmFzaWNlY29yCExBQTJBS0JOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw)

Sat, Dec 5 - Sun, Dec 6 · CMH · Roundtrip

## Frequently Asked Questions

### What month is the cheapest to fly to Knights Valley?

The cheapest month to fly to Knights Valley is February when demand is low. Off-peak months are usually when you'll find cheap fares. To keep costs down, avoid flying during major holidays and school breaks.

### Which US cities fly direct to Knights Valley?

To fly to Knights Valley directly, simply check the "Direct flights only" box when you search for journeys on Expedia and we'll show you all the available options to compare.

### How to find a cheap flight to Knights Valley?

Jetting off in the low season and booking early are two smart ways to secure cheap flights to Knights Valley. Or, consider departing on a Thursday, which, on average, is 16% cheaper than departing on a Sunday.\* Want to be the first to know when fares drop? Simply set up price tracking on the [Expedia app](https://www.expedia.com/app) for real-time updates.

*\*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.*

### How to get a cheap last-minute flight to Knights Valley?

It's possible to get great deals on last-minute departures to Knights Valley, especially if your travel plans are flexible. Consider flying from a different airport, changing your dates or picking an alternative airline to get a cheap flight to Knights Valley.

### How far in advance should I book a flight to Knights Valley?

Secure your flight to Knights Valley two to four months ahead if you're coming in from an international destination. For domestic travel, the timeframe is around 28 days in advance. Better deals and a greater choice of travel dates, schedules and seating options are just some of the awesome benefits of booking early.\*

*\*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.*

### Which day of the week is the cheapest day to buy a plane ticket to Knights Valley?

You can generally find cheap flights to Knights Valley on a Sunday. You'll save around 8% on average compared to booking on a Friday, which is typically the most expensive day for tickets.\*

*\*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.*

### Where do you fly into Knights Valley?

When flying to Knights Valley, the main airport for arrivals is Sonoma County Airport (STS). You can also jet into nearby hubs like Novato, CA (NOT-Gnoss Field), Napa, CA (APC-Napa Valley) or Ukiah, CA (UKI-Ukiah Regional). Another possibility worth considering when you fly to Knights Valley is Vacaville, CA (VCB-Nut Tree).

### Can I save money by booking a Knights Valley trip package?

Book a [Knights Valley flight and hotel package deal](https://www.expedia.com/Knights-Valley.d736344423504044032.Destination-Travel-Guides) on Expedia, and you could make significant savings. It's simple to bundle your flights and accommodations, and you can add tours and car rentals to create your own customized Knights Valley getaway. Plus, nothing beats the convenience of booking everything in the same place.

### Can I change or cancel my flight to Knights Valley?

You can often change or cancel your flight to Knights Valley within 24 hours of booking. However, keep in mind that some flights are non-refundable. In those cases, you may be issued credit for future travel instead of a direct refund. Be sure to check the airline's terms of service in your itinerary for exact details. You can use Expedia's "Changes included" or "No cancel fee" filters during your search to find cheap flights to Knights Valley with flexible change policies. For more information, browse our [Customer Service Portal](https://www.expedia.com/service/?langid=1033).

## Travel information

| Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, United, JetBlue Airways, Southwest Airlines, Air Canada, WestJet, Lufthansa, British Airways, Turkish Airlines, Swiss International Air Lines, Singapore Airlines, Air France, Aeromexico, KLM, Cathay Pacific, Japan Airlines, Iberia, SAS, Sun Country Airlines, Avianca, All Nippon Airways, Brussels Airlines, Philippine Airlines, PD, Volaris, Korean Air, Finnair, China Airlines, Austrian Airlines, EVA Airways, Aer Lingus, Asiana Airlines, Air Transat |
| ---------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Popular airline  | Alaska Airlines                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| Roundtrip price  | $190                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |

## Explore a world of travel with Expedia

- [Lodging](?equalTargetTab=tab-0)
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## Trending flights to Knights Valley

Prices were available within the past 7 days and start at $19 for one-way flights and $38 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

[Select Frontier Airlines flight, departing Wed, Feb 10 from Los Angeles to San Francisco, returning Wed, Feb 17, priced at $38 Just found](https://www.expedia.com/Flights-Search?leg1=from:LAX,to:SFO,departure:2/10/2027TANYT&leg2=from:SFO,to:LAX,departure:2/17/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:37.96&airProductToken=AQoxCi8IxnISBDI4NTcYi7gBILJxKMTypAMwoPOkAzhFQABYAWoEUENfMXIHSzIxWFhTMwoxCi8IxnISBDI4NTgYsnEgi7gBKP7FpQMw1salAzhFQABYAWoEUENfMXIHSzIxWFhTMxIKCAEQARgBKgJGORgBIgQIARABKAIoAygEMA0)

Wed, Feb 10 - Wed, Feb 17 · LAX · SFO · Roundtrip

\*Available to One Key members.

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