Cheap flights from San Francisco to the United States from $26
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to the United States departing on 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from San Francisco to United States
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Delta flights from San Francisco to United States
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How to get the cheapest flight ticket from San Francisco to United States
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to United States?
In general, February is the cheapest month to fly from San Francisco to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $319. If you aren’t able to travel during the month of February, then book flights to United States from San Francisco during March instead. Flights to United States in March, while not as cheap as those in February, still average around $343.
What is the cheapest day to depart on your flight to United States?
According to our data, Wednesday is the cheapest day to fly to United States from San Francisco. The lowest ticket price found for a Wednesday departure recently was $453. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $585. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.
What is the cheapest time of day to depart on your flight to United States?
The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $402. Try not to purchase tickets in the morning because they tend to be around $540. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest San Francisco to United States flight route?
Fly from San Francisco to Las Vegas Harry Reid Intl for the best San Francisco - United States flight prices
How far in advance should I book a flight to United States?
You are more likely to see cheaper flights to United States from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $403 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from San Francisco for as low as $341 on momondo.
What cabin class options are available on San Francisco to United States flights?
There are 4 cabin classes available to choose from on San Francisco to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Francisco to United States?
Frontier, United Airlines, and Hawaiian Airlines are the most popular carriers operating from San Francisco to United States
What airlines fly to United States?
Frontier, Alaska Airlines and United Airlines are the top three most popular airlines that fly to United States from San Francisco according to our data. Frontier is the first choice among our users, with 34% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 12 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Francisco to United States on average per day?
The number of flights available between San Francisco and United States is 465 per day as of July 2025. The most frequent departure time is 6:00AM, with 46% of daily flights leaving at noon.
How many flights depart from San Francisco to United States on average per week?
As of July 2025, there are 3,257 flights per week flying from San Francisco to United States. The most common day of the week flights depart is Thu, with 23% of flights taking off on this day.
Cheap San Francisco to United States flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to United States
Best Price Found | $26 |
|---|---|
Fastest flight time | 1h 25m |
Direct flights | Every day |
Airports in United States | 4 airports |
When did momondo last update prices for flights from San Francisco Airport to United States?
Prices for flights from San Francisco Airport to United States are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to United States?
As of July 2025, there are 11 operators available to choose from for flights from San Francisco Airport to United States.
How old do you have to be to fly from San Francisco Airport to United States?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Francisco to United States?
Based on momondo bookings for flights between San Francisco and United States, the leading plane model is Boeing 737 MAX 9, making up 11.70% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 9.40%, Boeing 737-800 with 8.73%, and Boeing 737 MAX 8 with 7.70%.
Best airlines flying from San Francisco to United States
Compare and see reviews for airlines that fly from San Francisco to United States with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $30 | Free Cancellation | Rating 6.3 8,086 reviews | |||
| PriceFrom $38 | Free Cancellation | Rating 5.9 3,286 reviews | |||
| PriceFrom $66 | Free Cancellation | Rating 7.8 2,545 reviews | |||
| PriceFrom $68 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $82 | Free Cancellation | Rating 7.2 708 reviews | |||
| PriceFrom $97 | Free Cancellation | Rating 8.0 4,266 reviews | |||
| PriceFrom $104 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $107 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $113 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $145 | Free Cancellation | Rating 7.3 2,916 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Francisco to United States?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to United States. momondo saves you time and could save you money on your trip.
Can I find flights from San Francisco to United States with flexible booking policies on momondo?
Yes. All flights to United States from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from San Francisco to United States?
momondo provides multiple filters to help you find the best flight to United States from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from San Francisco to United States right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Francisco to United States flights. All you need is a valid email address and we will do the rest; it is that quick and easy.