--- title: "Cheap Flights to Forest Knolls - Expedia.co.uk" description: "Searching for cheap plane tickets to Forest Knolls? Get flights deals to Forest Knolls from £108 & save. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.co.uk/Cheap-Flights-To-Forest-Knolls.d3000427793.Travel-Guide-Flights" language: en-GB market: GB currency: GBP prices_as_of: 2026-11-13T20:16:33Z --- # £108 Cheap Flights to Forest Knolls ![A hilly landscape with dense forests and a winding path.](https://images.trvl-media.com/place/3000427793/978d11e8-e4c3-4b6e-9a72-8c40d060eb98.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View £108 flight on Thu, 4 Feb 2027](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:SFO,departure:04/02/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:107.20&airProductToken=AQpfCi4I15wBEgQxMDk1GII7IINpKM-qpAMwl6ykAzhWQABYAWoDV0dBcgdWWkFWSzJJCi0I15wBEgM3OTkYg2kgsnEo8aykAzCgrqQDOFZAAVgBagNXR0FyB1ZaQVZLMkkSCggCEAEYAioCSFIYASIECAEQASgCKAMoBDAB) Photo by Joe ## Popular airlines to Forest Knolls [Alaska Airlines](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Forest%20Knolls,%20California,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Forest%20Knolls,%20California,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) [American Airlines](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Forest%20Knolls,%20California,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Forest%20Knolls,%20California,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) [Delta](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Forest%20Knolls,%20California,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Forest%20Knolls,%20California,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [JetBlue Airways](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Forest%20Knolls,%20California,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Forest%20Knolls,%20California,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) [Frontier Airlines](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Forest%20Knolls,%20California,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Forest%20Knolls,%20California,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) [United](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Forest%20Knolls,%20California,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Forest%20Knolls,%20California,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [Southwest Airlines](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Forest%20Knolls,%20California,%20United%20States%20of%20America,departure:27/11/2026TANYT&leg2=from:Forest%20Knolls,%20California,%20United%20States%20of%20America,to:CMH,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 25% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## How much is the cheapest flight to Forest Knolls? Prices were available within the past 7 days and start at £108 for one-way flights and £247 for return, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return [Select Southwest Airlines flight, departing Thu, 4 Feb from Columbus to San Francisco, returning Mon, 8 Feb, priced at £247 Found 2 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:SFO,departure:04/02/2027TANYT&leg2=from:SFO,to:CMH,departure:08/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:246.60&airProductToken=AQpfCi4I15wBEgQxMDk1GII7IINpKM-qpAMwl6ykAzhWQABYAWoDV0dBcgdWWkFWSzJJCi0I15wBEgM3OTkYg2kgsnEo8aykAzCgrqQDOFZAAVgBagNXR0FyB1ZaQVZLMkkSCggCEAEYAioCSFIYASIECAEQASgCKAMoBDAB) Thu, 4 Feb - Mon, 8 Feb · CMH · SFO · From £247 · Return [Select Alaska Airlines flight, departing Wed, 27 Jan from Columbus to San Francisco, returning Mon, 1 Feb, priced at £293 Found 2 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:SFO,departure:27/01/2027TANYT&leg2=from:SFO,to:CMH,departure:01/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:292.80&airProductToken=AQpeCi0IwaYBEgM0NzAYgjsgkgEo1tGjAzCa1KMDOFhAAFgBagJTVnIIR0gyT0FKQk4KLQjBpgESAzY4OBiSASCycSjA1aMDMMPWowM4WEABWAFqAlNWcghHSDJPQUpCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) Wed, 27 Jan - Mon, 1 Feb · CMH · SFO · From £293 · Return [Select American Airlines flight, departing Thu, 4 Feb from Columbus to San Francisco, returning Mon, 8 Feb, priced at £319 Found 2 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:SFO,departure:04/02/2027TANYT&leg2=from:SFO,to:CMH,departure:08/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:318.60&airProductToken=AQpmCjEIwYIBEgQzMzUzGII7IK4cKLCtpAMwj66kAzhCQABYAWoFQkFTSUNyCFMwQVpaTkJYCjEIwYIBEgQyNDk3GK4cILJxKKevpAMwzbGkAzhCQAFYAWoFQkFTSUNyCFMwQVpaTkJYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) Thu, 4 Feb - Mon, 8 Feb · CMH · SFO · From £319 · Return [Select Delta flight, departing Fri, 18 Dec from Columbus to San Francisco, returning Mon, 18 Jan, priced at £333 Found 6 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:SFO,departure:18/12/2026TANYT&leg2=from:SFO,to:CMH,departure:18/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:332.80&airProductToken=AQpuCjUIxJgBEgQxNDIwGII7IMx8KPyOoAMw%5Fo-gAzhFQABYAWoJTUFJTkJBU0lDcghWRlZOQTBCUQo1CMSYARIEMjA3OBjMfCCycSi1kKADMLuSoAM4RUABWAFqCU1BSU5CQVNJQ3IIVkZWTkEwQlEKbgo1CMSYARIEMjE3OBiycSDMfCjo7KIDMMzuogM4RUAAWAFqCU1BSU5CQVNJQ3IIVkZWTkEwQlEKNQjEmAESBDM3NjAYzHwggjsoj--iAzCQ8KIDOEVAAVgBaglNQUlOQkFTSUNyCFZGVk5BMEJREgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) Fri, 18 Dec - Mon, 18 Jan · CMH · SFO · From £333 · Return [Select United flight, departing Thu, 10 Dec from Columbus to San Francisco, returning Wed, 16 Dec, priced at £417 Found 2 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:SFO,departure:10/12/2026TANYT&leg2=from:SFO,to:CMH,departure:16/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:416.70&airProductToken=AQozCjEI1YIBEgQxNjA0GII7ILJxKJC1nwMw1befAzhMQABYAWoFMl9lY29yCExGQTJBREROCjMKMQjVggESBDE5NTQYsnEggjso6vufAzCA%5Fp8DOExAAFgBagUyX2Vjb3IITEZBMkFERE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) Thu, 10 Dec - Wed, 16 Dec · CMH · SFO · From £417 · Return ## Find the cheapest month to fly from Columbus (CMH) to San Francisco (SFO) ### December is typically the cheapest month to fly From £193 - £403 per traveller. View flights in December Insights are based on prices from searches for economy trips of 10 days or less on our sites in the last 12 months. Insights are informative only and current prices may differ. ## Book with confidence ### Find Your Flights to Forest Knolls SFO **Cheap flights to Forest Knolls (** **SFO)** Get started finding a cheap flight to Forest Knolls on Expedia by either choosing a deal on this page or using the search bar to enter your travel dates, origin airport and whether you want a return or one-way airfare. You can filter for flexibility, number of stops, airline and departure/arrival times to find the best flight for you. We recommend using the ‘Flexible Dates’ calendar at the top of the page to see the price of plane tickets on the surrounding dates. This allows you to pick the cheapest days to fly if your trip allows flexibility and score cheap flight deals to Forest Knolls. Return prices range from £247 - £429 and one-ways Forest Knolls start as low as £108. Be aware that choosing a non-stop flight can sometimes be more expensive while saving you time. And routes with connections may be available at a cheaper rate. **Airlines that fly to Forest Knolls (** **SFO)** You have several options for which airline you choose to travel with to Forest Knolls. There are 7 airlines flying into SFO: Southwest Airlines, Alaska Airlines, American Airlines, Delta, JetBlue Airways, Swiss International Air Lines, United. Cheap plane tickets may be available from different airlines at different times and with unique terms. It’s best to understand the details of each airline’s offer before judging its value. For example, if you plan to check in a bag or bring hand baggage, it's worth checking whether the cheap airfare deal includes a baggage allowance. If not, verify whether the baggage fee is higher than the difference of other airline plane ticket deals offering free checked in/hand baggage in exchange for a slightly higher airfare. Additionally, your preferred frequent flyer membership programmes may influence your choice of cheap airline. Expedia allows you to enter your membership numbers during checkout to earn points from your airline and Expedia Rewards—all while getting a great deal and planning all your travel on one online platform. #### Find the best deals At Expedia, we source many flight deals from multiple providers, so you can easily find the best deals that are right for you. A great strategy for getting the best deals can be to make sure you book and travel at optimal times. Airfare to Forest Knolls (SFO) varies throughout the year based on seasonal demand. You’ll see the lowest rates for return trips to SFO in February and in February for one-ways. #### Cancellation & flexibility To change or cancel eligible flights, go to ‘My Trips’ and navigate to your itinerary. If you booked within the last 24 hours, you might be able to cancel your flight for free. Learn more about flight changes or cancellations from our [customer service portal](https://www.expedia.co.uk/service/). Some plane tickets are available with no change fees, which you can filter for during your search. ## Frequently Asked Questions ### What is the name of Forest Knolls' airport? Forest Knolls has just one airport, San Francisco Intl. Airport (SFO). ### What airport is best to fly into Forest Knolls? With only one major airport servicing Forest Knolls, it won't take much time to discover the best flight. You'll be jetting off to San Francisco Airport, which sits around 30 mi from the downtown area. ### How many airlines fly to Forest Knolls? There are 42 air carriers that service Forest Knolls from 115 airports around the world. ### Which airlines fly to Forest Knolls? In general, travellers fly with Alaska Airlines, United Airlines and Delta Air Lines when heading to Forest Knolls. The majority of these flights depart from Los Angeles, with Alaska Airlines flying this route the most frequently. ### How many nonstop flights are there to Forest Knolls? With 3,026 direct flights running each week, you'll be hitting the runway in Forest Knolls before you can ask, "Are we there yet?" ### Where are the most popular flights to Forest Knolls departing from? Flights to Forest Knolls departing from Los Angeles, Seattle and New York airports are the most popular. ### How long is the flight to Forest Knolls Airport? Where you depart from determines how long you'll be strapped into your seat. From Los Angeles to Forest Knolls, the average flight time is 1 hour and 24 minutes. From Seattle it's typically 2 hours and 7 minutes, and from New York it's 6 hours and 34 minutes. ### How to book the cheapest flight to Forest Knolls? Don't leave booking your flight to Forest Knolls until the very last minute. That's one trick well-versed travellers use to get the best deals. Booking ahead means more choices and more affordable flights. Another great way to pick up the most affordable fare is to research all options. If your destination has several airports, don't forget to look into the cost of flying into a smaller terminal. Lastly, another simple way to save a few dollars is be ready to book fast. If you come across a fantastic bargain, don't think twice — grab it while you've got the chance. ### How to survive the flight to Forest Knolls? We've pulled together all the info you need to make your flight as pain-free as possible. Follow our tips and you'll be breezing through the airport and seeing the best of Forest Knolls in no time at all. What to pack in your hand luggage: - The secret to having a worry-free travel experience is to pack ahead. Start with the essentials: passport, official ID, cash and important medications. Next, take on board items that'll help while away those hours, like some electronic devices or a good book. It's also smart to pack your chargers, a comfy neck pillow and a pair of earplugs. And of course, be sure to toss in toiletry items like a toothbrush, deodorant and a spare change of clothes. Do not pack the following items in your hand luggage: - Pack all your full-sized bottles of shampoo and conditioner in your checked luggage. Any liquids in your carry-on suitcase larger than 3.4 ounces (100 milliliters) won't be allowed on. Sharp objects, like your beloved Swiss Army knife, and products which are explosive or flammable, such as flares, chemicals agents and matches, are also prohibited. What to wear on a flight: - The answer to a comfortable flight often lies in your clothing choices. Prepare yourself for varying temperatures by bringing layers. That way you'll stay nice and warm if the cabin begins to cool down. Shoes like sandals and heels are best left for other occasions. Instead, opt for flat, closed-toed footwear like sneakers. Your feet will thank you for it. - Caused by sustained periods of immobility, DVT (deep vein thrombosis) is a blood clotting condition that can affect passengers on long-haul flights. But the good news is there are ways to reduce your risk of developing it. Drink plenty of water, walk around the cabin whenever possible and wear compression tights or socks. ### How to get through airport security fast when flying to Forest Knolls? A little pre-planning before your flight can make your getaway to Forest Knolls quick and painless. Here are some handy tips for a speedy journey through security: - Airport security personnel first need to establish that you have a valid passport and matching boarding pass before you can proceed any further. Have them ready to show. - After that, both you and your hand luggage must be X-rayed. To speed things up, remove anything that is likely to set the alarm off. Personal belongings like your belt, coat and earphones need to go through the machine. - All your electronic devices, including your tablet and phone, will also need to be separately scanned. - Don't forget to remove liquids and gels from your carry-on bag. They usually need to be sent through the X-ray separately. Each item should be no larger than 3.4 ounces (100 milliliters) and everything must fit inside a quart-size (one litre), clear zip-lock bag. - It's also likely that you'll be required to take your shoes off to be X-rayed, so wearing slip-on shoes is always a smart idea. - Airlines will not allow any sharp items or pocket knives in the cabin. If you must bring these kinds of items, pack them in your checked baggage. ## Travel information | Destination city name | San Francisco | | ----------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | Destination airport | San Francisco International Airport | | Destination airport IATA code | SFO | | Airlines serving | Alaska Airlines, American Airlines, Delta, JetBlue Airways, Frontier Airlines, United, Southwest Airlines, Air Canada, Lufthansa, British Airways, Swiss International Air Lines, Singapore Airlines, Turkish Airlines, WestJet, Cathay Pacific, Sun Country Airlines, Japan Airlines, KLM, Air France, SAS, All Nippon Airways, Emirates, Brussels Airlines, EVA Airways, Finnair, Iberia, Philippine Airlines, Korean Air, Austrian Airlines, Virgin Atlantic, Aeromexico, China Airlines, Aer Lingus, PD, Qantas Airways, Qatar Airways | | Popular airline | Alaska Airlines | | Return price | £247 | ## Trending flights to Forest Knolls Prices were available within the past 7 days and start at £108 for one-way flights and £247 for return, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return [Select Alaska Airlines flight, departing Wed, 9 Dec from London to San Francisco, returning Tue, 5 Jan, priced at £429 Just found](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:SFO,departure:09/12/2026TANYT&leg2=from:SFO,to:LHR,departure:05/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:428.79&airProductToken=AQpgCi4IwaYBEgMxMDEY64kBIJIBKJWrnwMw%5FK-fAzhYQABYAWoCU1ZyCEdMRjcxOUJOCi4IwaYBEgQxMzg2GJIBILJxKOCwnwMw5LGfAzhYQAFYAWoCU1ZyCEdMRjcxOUJOCl8KLQjBpgESAzU5MRiycSCSASiD4KEDMInhoQM4WEAAWAFqAlNWcghHS1g3MTlCTgouCMGmARIDMTAwGJIBIOuJASjg66EDMKTwoQM4WEABWAFqAlNWcghHS1g3MTlCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) Wed, 9 Dec - Tue, 5 Jan · LHR · SFO · From £429 · Return \*Available to Expedia members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/Cheap-Flights-To-Forest-Knolls.d3000427793.Travel-Guide-Flights en-US: https://www.expedia.com/Cheap-Flights-To-Forest-Knolls.d3000427793.Travel-Guide-Flights en-IN: https://www.expedia.co.in/Cheap-Flights-To-Forest-Knolls.d3000427793.Travel-Guide-Flights de-AT: https://www.expedia.at/Billigflug-Forest-Knolls.d3000427793.Reise-Angebote-Flug ```