Title: Cheap Flights to Portola Valley - Expedia.co.uk ![Sunset through Guardian Oak tree on the Dish Trail](https://images.trvl-media.com/place/3000428517/73106aed-bed7-40f0-9848-ecca819da0b6.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3000428517/73106aed-bed7-40f0-9848-ecca819da0b6.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £36 Cheap Flights to Portola Valley [View £36 flight on Wed, 20 May 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:PDX,to:SFO,departure:20/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:36.00&airProductToken=AQowCi4IwaYBEgMyMzYY77gBILJxKNnCjQMwzsONAzhYQABYAWoCU1ZyCEdIMk9EVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Hotels in Portola Valley](https://expedia.co.uk/Portola-Valley-Hotels.d3000428517.Travel-Guide-Hotels)[Portola Valley Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Portola-Valley.d3000428517.Car-Hire-Guide)[Portola Valley Holidays](https://expedia.co.uk/Portola-Valley.d3000428517.Holidays-City-Breaks) ## Popular airlines to Portola Valley - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portola Valley, California, United States of America,departure:24/02/2026TANYT&leg2=from:Portola Valley, California, United States of America,to:CMH,departure:03/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portola Valley, California, United States of America,departure:24/02/2026TANYT&leg2=from:Portola Valley, California, United States of America,to:CMH,departure:03/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portola Valley, California, United States of America,departure:24/02/2026TANYT&leg2=from:Portola Valley, California, United States of America,to:CMH,departure:03/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portola Valley, California, United States of America,departure:24/02/2026TANYT&leg2=from:Portola Valley, California, United States of America,to:CMH,departure:03/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portola Valley, California, United States of America,departure:24/02/2026TANYT&leg2=from:Portola Valley, California, United States of America,to:CMH,departure:03/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portola Valley, California, United States of America,departure:24/02/2026TANYT&leg2=from:Portola Valley, California, United States of America,to:CMH,departure:03/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NK.svg) Spirit Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Portola Valley, California, United States of America,departure:24/02/2026TANYT&leg2=from:Portola Valley, California, United States of America,to:CMH,departure:03/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NK"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap round-trip flights to Portola Valley Prices were available within the past 7 days and start at £36 for one-way flights and £94 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, 16 May - Tue, 19 May PDX Portland SFO San Francisco £94 Return found 1 hour ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PDX,to:SFO,departure:16/05/2026TANYT&leg2=from:SFO,to:PDX,departure:19/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:93.60&airProductToken=AQoxCi8IwaYBEgQxMzkzGO-4ASCycSiSl40DMIeYjQM4WEAAWAFqAlNWcghPSDJPWFVCTgoxCi8IwaYBEgQxNDYzGLJxIO-4ASi0uY0DMKS6jQM4WEAAWAFqAlNWcghHSDJPRFZCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Wed, 18 Mar - Wed, 8 Apr PAE Seattle SFO San Francisco £116 Return found 2 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PAE,to:SFO,departure:18/03/2026TANYT&leg2=from:SFO,to:PAE,departure:08/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:115.10&airProductToken=AQoiCiAIyIIBEgQ2MTA2GI8gILJxKIGAiAMwg4GIAzhVQABYAQoiCiAIyIIBEgQ3MDAzGLJxII8gKM_siQMw1e2JAzhVQABYARIKCAEQARgBKgJIQRgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, 24 Mar - Sat, 11 Apr SEA Seattle SFO San Francisco £123 Return found 2 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SEA,to:SFO,departure:24/03/2026TANYT&leg2=from:SFO,to:SEA,departure:11/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:122.60&airProductToken=AQoiCiAIxJgBEgQyNjM1GJIBILJxKN3EiAMw4cWIAzhFQABYAQoiCiAIxJgBEgQyNzIxGLJxIJIBKOyHigMw9IiKAzhFQABYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, 3 Mar - Wed, 4 Mar PDX Portland SFO San Francisco £167 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PDX,to:SFO,departure:03/03/2026TANYT&leg2=from:SFO,to:PDX,departure:04/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:166.70&airProductToken=AQo2CjQI1YIBEgQ1NjExGO-4ASCycSiv0YYDMKzShgM4S0AAWAFqB0VDT05PTVlyCEtBSzJBUURTCjYKNAjVggESBDEwMTYYsnEg77gBKPbjhgMw4-SGAzhLQABYAWoHRUNPTk9NWXIIS0FLMkFRRFMSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, 3 Mar - Wed, 4 Mar PDX Portland SFO San Francisco £170 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PDX,to:SFO,departure:03/03/2026TANYT&leg2=from:SFO,to:PDX,departure:04/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:169.20&airProductToken=AQppCjMIwYIBEgQ2MjkwGO-4ASCLuAEo4dGGAzCB04YDOEJAAFgBagVCQVNJQ3IIUVZBSVhTQlYKMgjBggESBDYxOTkYi7gBILJxKOLUhgMwy9WGAzhCQAFYAWoFQkFTSUNyCFFWQUlYU0JWCmkKMgjBggESBDE5MzAYsnEg77kBKOPhhgMw3-KGAzhCQABYAWoFQkFTSUNyCFFWQUlYU0JWCjMIwYIBEgQ2MjE0GO-5ASDvuAEo_OOGAzC25YYDOEJAAVgBagVCQVNJQ3IIUVZBSVhTQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ## Find the cheapest month to fly from Columbus (CMH) to Los Angeles (LAX) ### October is typically the cheapest month to fly From £91 - £233 per traveller. ## Expedia flights to Portola Valley Searching for cheap flights to Portola Valley? No travel company presents more choices than Expedia if you're looking to compare flights to Portola Valley. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to California. Expedia provides the cheapest flights to many destinations in California and you may find even greater savings if you combine your flight with a hotel stay in Portola Valley. Expedia is the largest online travel agency which means that Expedia have access to cheap flights. So make sure you check Expedia regularly for these bargain flights because the cheapest airline tickets sell out fast. Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Portola Valley for that period and let you choose your preferred time and airline. If you need additional assistance, Expedia Customer Service representatives are available from 8am - 10pm Monday to Friday, and 9am - 10pm at weekends. Our capable staff will be able to help you with any questions regarding your Portola Valley flight, or other booking questions that may arise. When you book flights with Expedia you can rest assured that you have booked the best flight at the lowest price. ## Frequently asked questions ### What is the name of Portola Valley's airport? ### How far is SFO from central Portola Valley? ### What airport is best to fly into Portola Valley? ### How many airlines fly to Portola Valley? ### Which airlines fly to Portola Valley? ### How many nonstop flights are there to Portola Valley? ### Where are the most popular flights to Portola Valley departing from? ### How long is the flight to Portola Valley Airport? ### How to book the cheapest flight to Portola Valley? ### Do you have any tips for my flight to Portola Valley? > - Travelling on a plane can be a pleasure if you carry the right stuff. Firstly, you'll need basic toiletry items, such as toothpaste, a toothbrush and some deodorant, a clean pair of socks and a good novel. Secondly, find room in your carry-on bag for your phone and charger, any medications and maybe a proper neck pillow too. Lastly, remember to take your passport, travel docs and some cash. > > > Do not pack the following items in your hand luggage: > > > - Check carefully that you don't have a pocket knife hiding in one of the compartments of your hand luggage. Other prohibited items include flammable or explosive substances, like aerosols and matches, and gels and liquids in containers with a capacity of more than 3.4 ounces (100 millilitres). > > > What to wear on a flight: > > > - You'll want to choose comfort over style. Prepare for changes in temperature by dressing in layers, and pick flat, slightly roomy shoes like slip-ons. > - Caused by sustained periods of inactivity, deep vein thrombosis (DVT) is a blood clot condition that can affect passengers during long flights. Reduce the risks by staying hydrated, keeping your legs and ankles moving and wearing compression socks to help improve your circulation. ### How to get through airport security fast when flying to Portola Valley? > - Your travel documents and ID will need to be inspected by security personnel. Have them close by so you don't have to dig around for them. > - Your coat, belt, keys and other small items, like your earphones, will need to go on a tray through the X-ray machine. Make your life easier by removing them as your turn draws near. > - For just a few minutes, you'll have to unplug from technology. Your phone, laptop and any other electronic devices also need to go through the scanner. > - Any liquids or gels, such as shampoo or hairspray, that you want to take on board need to be in containers no greater than 3.4 ounces (100 millilitres). They must also all fit inside a quart-size (one litre), zip-lock bag. > - Lightweight sneakers are a practical footwear choice as you're less likely to be asked to remove them when going through security. Hiking boots and other heavy shoes are usually subjected to extra screening. > - Airlines won't allow any sharp items or pocket knives to come on board with you. If you must bring these kinds of items, pack them in your checked baggage. __Flights to Portola Valley information__ | Destination airport | San Francisco Intl. | | ----------------------------- | ------------------- | | Destination airport IATA code | SFO | | Destination city name | San Francisco | | Return price | £94 | ## Trending flights to Portola Valley Prices were available within the past 7 days and start at £36 for one-way flights and £94 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Thu, 26 Feb - Thu, 5 Mar LHR London SFO San Francisco £354 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SFO,departure:26/02/2026TANYT&leg2=from:SFO,to:LHR,departure:05/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:353.35&airProductToken=AQpqCjQIzLABEgMzMTcY64kBILk8KPyWhgMw75eGAzhLQABYAWoIRUNPTElHSFRyCEtEVlFBWEJRCjIIzLABEgIzOBi5PCCycSi_mIYDMJ6ehgM4S0ABWAFqCEVDT0xJR0hUcghLRFZRQVhCUQpDCkEIz6YBEgQ3ODU2GLJxIOuJASii64YDMJ3whgM4S0AAWAFqCEVDT0xJR0hUcghLRFZRQVhCUXoKCNWCARIENzg1NhIKCAIQARgCKgJMWBgBIgQIARABKAIoAygEMAs) \*Available to Expedia members.