Title: Cheap Flights from San Francisco to Baltimore (SFO to MTN) - Expedia.co.uk ![Baltimore which includes skyline, night scenes and modern architecture](https://images.trvl-media.com/place/178235/efe97181-8af8-46b6-b917-0282b17a2b28.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178235/efe97181-8af8-46b6-b917-0282b17a2b28.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from San Francisco (SFO) to Baltimore (MTN) - [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 ## Popular airlines from San Francisco International Airport (SFO) to Baltimore, MD (MTN-Martin State) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:sfo,to:mtn,departure:29/10/2025TANYT&leg2=from:mtn,to:sfo,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![easyJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:sfo,to:mtn,departure:29/10/2025TANYT&leg2=from:mtn,to:sfo,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:sfo,to:mtn,departure:29/10/2025TANYT&leg2=from:mtn,to:sfo,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Ryanair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg) Ryanair [](https://www.expedia.co.uk/Flights-Search?leg1=from:sfo,to:mtn,departure:29/10/2025TANYT&leg2=from:mtn,to:sfo,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![American Airlines](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:sfo,to:mtn,departure:29/10/2025TANYT&leg2=from:mtn,to:sfo,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Jet2](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg) Jet2 [](https://www.expedia.co.uk/Flights-Search?leg1=from:sfo,to:mtn,departure:29/10/2025TANYT&leg2=from:mtn,to:sfo,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sfo,to:mtn,departure:29/10/2025TANYT&leg2=from:mtn,to:sfo,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) ![notification illustration](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\* ![deals illustration](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\* ![trophy illustration](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) Flight from San Francisco to Baltimore route information | Origin airport | San Francisco Intl. | | --- | --- | | Destination airport | Martin State | | Distance | 3939 km | ## Compare flights from San Francisco to Baltimore easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Francisco to Baltimore. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Martin State in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Francisco Intl. to Martin State.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from San Francisco Intl. (SFO) to Martin State (MTN) The easiest way to view the best deals on flights from San Francisco to Baltimore today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Francisco Intl. to Martin State start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near San Francisco and Baltimore - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your San Francisco to Baltimore flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Francisco Intl. to Martin State for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from San Francisco Intl. Airport (SFO) to MTN? > Round-trip tickets from San Francisco Airport to Martin State Airport (MTN) start from . This is based on fares available within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from San Francisco Airport to Martin State Airport (MTN)? > Most flights can be conveniently cancelled online, but whether or not you incur a fee varies between airlines. If you do need to cancel your escape, follow the instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from San Francisco Intl. Airport (SFO) to MTN that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Francisco Airport to Martin State Airport flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from San Francisco Intl. Airport (SFO) to Martin State Airport (MTN)? > It's around 4,000 kilometres from San Francisco to Middle River, so you'll be flying for a while. Keep yourself entertained by packing things like your e-reader or a good old-fashioned book. ### Which airlines fly direct from San Francisco Airport to MTN? > If you want to fly straight from SFO to Martin State Airport, you'll have to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly between these airports. ### Are San Francisco Airport to MTN flight tickets cheaper when they're purchased at the last minute? > Flight prices are constantly going up and down, so it's no sure thing. While last-minute flight deals between San Francisco Airport and MTN are possible, it also makes sense to keep an eye on prices well before you fly. In fact, some airlines publish their prices up to 12 months prior to the departure date. 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