What is the cheapest airline that flies from California to United States?

United Airlines, Southwest, and Delta are the most popular carriers operating from California to United States

How many flights depart from California to United States on average per day?

584 flights are operational daily from California to United States as of June 2026. The most popular departure time for this route is 10:00AM, with 43% of flights per day taking off at noon.

What airlines fly to United States?

Frontier, United Airlines and Alaska Airlines are the top three most popular airlines that fly to United States from California according to our data. Frontier is the first choice among our users, with 35% 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 California to United States on average per week?

As of June 2026, 4,091 flights take off from California and land in United States each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.

How long is the flight from California to United States?

Flight times vary depending on what airport in California you fly out of and what airport in United States you fly into. For example, flying from San Diego to Los Angeles takes 1h 01m on average. On the other hand, flying from San Jose to Los Angeles takes 1h 15m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from California to United States?

Prices for flights from California to United States were last updated today.

How many operators does momondo search for flights from California to United States?

As of June 2026, there are 9 operators available to choose from for flights from California to United States.

How old do you have to be to fly from California to United States?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California 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.

$46 Cheap Flights from California to the United States in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to the United States

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:16 pm - 6:26 pm

LAX

SEA

3h 10mnonstop

11:06 am - 2:01 pm

SEA

LAX

2h 55mnonstop

$159Frontier

mån, sep 21 - mån, sep 28

3:16 pm - 6:26 pm

LAX

SEA

3h 10mnonstop

11:06 am - 2:01 pm

SEA

LAX

2h 55mnonstop

$160Frontier

fre, sep 25 - sön, sep 27

7:03 am - 9:13 am

SFO

SEA

2h 10mnonstop

7:03 am - 9:20 am

SEA

SFO

2h 17mnonstop

$176Alaska Airlines

ons, jul 29 - tis, aug 4

8:55 am - 4:50 pm

SFO

SEA

7h 55m

1 stop

4:35 pm - 11:20 pm

SEA

SFO

6h 45m

1 stop

$177Southwest

ons, jul 8 - ons, jul 15

5:20 pm - 12:45 am

SFO

SEA

7h 25m

2 stops

3:05 pm - 9:05 pm

SEA

SFO

6h 00m

1 stop

$178Southwest

tis, jul 14 - tis, jul 21

7:03 am - 9:13 am

SFO

SEA

2h 10mnonstop

7:03 am - 9:20 am

SEA

SFO

2h 17mnonstop

$181Alaska Airlines

ons, aug 5 - lör, aug 8

6:20 am - 8:31 am

SFO

SEA

2h 11mnonstop

7:20 am - 9:36 am

SEA

SFO

2h 16mnonstop

$192Delta

lör, aug 8 - ons, aug 12

9:00 pm - 5:18 am

LAX

EWR

5h 18mnonstop

7:00 am - 9:38 am

EWR

LAX

5h 38mnonstop

$321United Airlines

tis, aug 4 - tis, aug 18

10:00 pm - 10:41 am

SFO

LGA

9h 41m

1 stop

5:00 pm - 11:58 pm

LGA

SFO

9h 58m

1 stop

$321Delta

mån, aug 10 - tis, aug 18

11:14 pm - 9:39 am

SFO

LGA

7h 25m

1 stop

6:00 am - 11:44 am

LGA

SFO

8h 44m

1 stop

$333United Airlines

sön, sep 20 - tors, sep 24

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American Airlines flights from California to United States

Our best American Airlines deals on California to United States flight tickets

American Airlines

Aug 5

LAX6:30 amLos Angeles

7h 39m

1 stop

EWR5:09 pmNewark

Aug 19

EWR1:33 pmNewark

8h 17m

1 stop

LAX6:50 pmLos Angeles

$327

American Airlines

Sep 15

SFO9:29 amSan Francisco

8h 01m

1 stop

JFK8:30 pmNew York John F Kennedy Intl

Sep 22

JFK9:30 pmNew York John F Kennedy Intl

6h 29m

SFO12:59 amSan Francisco

$335

American Airlines

Jul 4

SFO11:24 amSan Francisco

9h 21m

1 stop

LGA11:45 pmNew York LaGuardia

Jul 10

LGA6:47 pmNew York LaGuardia

8h 56m

1 stop

SFO12:43 amSan Francisco

$348

Delta flights from California to United States

Our best Delta deals on California to United States flight tickets

Delta

Aug 8

SFO6:20 amSan Francisco

2h 11m

SEA8:31 amSeattle/Tacoma Intl

Aug 12

SEA7:20 amSeattle/Tacoma Intl

2h 16m

SFO9:36 amSan Francisco

$192

Delta

Jul 8

SFO5:55 amSan Francisco

2h 10m

SEA8:05 amSeattle/Tacoma Intl

Jul 13

SEA9:39 pmSeattle/Tacoma Intl

2h 20m

SFO11:59 pmSan Francisco

$212

Delta

Sep 3

SFO6:20 amSan Francisco

2h 11m

SEA8:31 amSeattle/Tacoma Intl

Sep 13

SEA9:25 pmSeattle/Tacoma Intl

2h 21m

SFO11:46 pmSan Francisco

$225

momondo Fare Finder

Use the filters below to find and compare flights from California to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

mån 9/21

3:16 pm-6:26 pm

Nonstop3h 10m

Seattle/Tacoma Intl

mån 9/28

11:06 am-2:01 pm

Nonstop2h 55m

$159

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

fre 9/25

3:16 pm-6:26 pm

Nonstop3h 10m

Seattle/Tacoma Intl

sön 9/27

11:06 am-2:01 pm

Nonstop2h 55m

$160

Quickest round-trip

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

ons 7/29

7:03 am-9:13 am

Nonstop2h 10m

Seattle/Tacoma Intl

tis 8/4

7:03 am-9:20 am

Nonstop2h 17m

$176

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

ons 7/8

8:55 am-4:50 pm

1 stop7h 55m

Seattle/Tacoma Intl

ons 7/15

4:35 pm-11:20 pm

1 stop6h 45m

$177

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

tis 7/14

5:20 pm-12:45 am

2 stops7h 25m

Seattle/Tacoma Intl

tis 7/21

3:05 pm-9:05 pm

1 stop6h 00m

$178

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

ons 8/5

7:03 am-9:13 am

Nonstop2h 10m

Seattle/Tacoma Intl

lör 8/8

7:03 am-9:20 am

Nonstop2h 17m

$181

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

lör 8/8

6:20 am-8:31 am

Nonstop2h 11m

Seattle/Tacoma Intl

ons 8/12

7:20 am-9:36 am

Nonstop2h 16m

$192

Los AngelesNewark

LAX - EWR

LAXEWR

Los Angeles

tis 8/4

9:00 pm-5:18 am

Nonstop5h 18m

Newark

tis 8/18

7:00 am-9:38 am

Nonstop5h 38m

$321

San FranciscoNew York

SFO - LGA

SFOLGA

San Francisco

mån 8/10

10:00 pm-10:41 am

1 stop9h 41m

New York LaGuardia

tis 8/18

5:00 pm-11:58 pm

1 stop9h 58m

$321

San FranciscoNew York

SFO - LGA

SFOLGA

San Francisco

sön 9/20

11:14 pm-9:39 am

1 stop7h 25m

New York LaGuardia

tors 9/24

6:00 am-11:44 am

1 stop8h 44m

$333

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California 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

Prices

Airlines

Other information

What is the cheapest month to fly to United States?

In general, September is the cheapest month to fly from California to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $308. If you aren’t able to travel during the month of September, then book flights to United States from California during January instead. Flights to United States in January, while not as cheap as those in September, still average around $311.

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 California. The lowest ticket price found for a Wednesday departure recently was $409. 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 $521. 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 $386. Try not to purchase tickets in the morning because they tend to be around $480. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest California to United States flight route?

Fly from San Jose to Los Angeles for the best California - United States flight prices

How far in advance should I book a flight from California to the United States?

You are more likely to see cheaper flights to United States from California when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $372 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from California for as low as $320 on momondo.

What cabin class options are available on California to United States flights?

There are 4 cabin classes available to choose from on California to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on California to United States flights?

No. A direct flight is the cheapest option for a flight between California to United States.

Cheap California to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to United States

Best Price Found	$44
Fastest flight time	0h 20m
Direct flights	Every day
Airports in United States	4,297 airports

The best one-way flight to United States from California in the past 72 hours is $44. The best round-trip flight deal from California to United States found on momondo in the last 72 hours is $81.

The fastest flight from California to United States takes 0h 20m

Direct flights go from California to United States every day.

There are 4,297 airports in United States. From California there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from California to the United States

When did momondo last update prices for flights from California to United States?
Prices for flights from California to United States were last updated today.
How many operators does momondo search for flights from California to United States?
As of June 2026, there are 9 operators available to choose from for flights from California to United States.
How old do you have to be to fly from California to United States?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California 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 California to United States?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from California to United States is Airbus A321neo (14.37% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (10.42%), Boeing 737-900 (8.67%), and Airbus A318/A319/A320/A321 (8.44%).

Best airlines flying from California to United States

Compare and see reviews for airlines that fly from California to United States with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $38	Free Cancellation	Rating 5.6 2,877 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $38	Free Cancellation	Rating 7.8 2,827 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $48	Free Cancellation	Rating 7.8 8,423 reviews	Search Delta flights
United Airlines	PriceFrom $68	Free Cancellation	Rating 7.4 9,866 reviews	Search United Airlines flights
Allegiant Air	PriceFrom $76	Free Cancellation	Rating 7.3 692 reviews	Search Allegiant Air flights
Southwest	PriceFrom $77	Free Cancellation	Rating 7.9 4,243 reviews	Search Southwest flights
Breeze Airways	PriceFrom $78	Free Cancellation	Rating 8.2 293 reviews	Search Breeze Airways flights
Alaska Airlines	PriceFrom $78	Free Cancellation	Rating 7.9 12,550 reviews	Search Alaska Airlines flights
JetBlue	PriceFrom $90	Free Cancellation	Rating 7.1 2,990 reviews	Search JetBlue flights
American Airlines	PriceFrom $97	Free Cancellation	Rating 7.1 11,722 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from California to United States?

Finding the right flight to United States from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United States quick and easy, saving you time and money.

Can I find flights from California to United States with flexible booking policies on momondo?

Yes. All flights to United States from California on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from California to United States?

Once you have performed a search for California to United States flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from California to United States right now. Can momondo alert me if prices change?

Yes. momondo can track prices for California to United States flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your United States trip

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Find better results for your trip to the United States

Popular cities

Other flights from California

Other flights to the United States

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Complete your trip

Feeling lucky

Popular cities in the United States

Flights to New Yorkfrom $62

Flights to Los Angelesfrom $64

Flights to Orlandofrom $63

Flights to Miamifrom $50

Flights to Chicagofrom $74

Flights to San Franciscofrom $55

Flights to Las Vegasfrom $56

Flights to Washington, D.C.from $55

Flights to Bostonfrom $72

Flights to Atlantafrom $58

Flights to Fort Lauderdalefrom $59

Flights to Dallasfrom $72

Cheap flights from California to the United States from $92

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to the United States departing on 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from California to the United States

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Trusted and free

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American Airlines flights from California to United States

Our best American Airlines deals on California to United States flight tickets

Delta flights from California to United States

Our best Delta deals on California to United States flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from California to the United States that are best for you.

See travel insights to the United States from

How to get the cheapest flight ticket from California to United States

What is the cheapest month to fly to United States?

What is the cheapest day to depart on your flight to United States?

What is the cheapest time of day to depart on your flight to United States?

What is the cheapest California to United States flight route?

How far in advance should I book a flight from California to the United States?

What cabin class options are available on California to United States flights?

Can stopping save me money on California to United States flights?

What is the cheapest airline that flies from California to United States?

What airlines fly to United States?

How many flights depart from California to United States on average per day?

How many flights depart from California to United States on average per week?

How long is the flight from California to United States?

Cheap California to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to United States

Best Price Found

Fastest flight time

Direct flights

Airports in United States

Frequently asked questions about flying from California to the United States

Best airlines flying from California to United States

Compare and see reviews for airlines that fly from California to United States with momondo

Why use momondo?

An easier way to manage your United States trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

California flight routes

According to popular flight searches on momondo this year

United States flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to the United States

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to the United States

List of cabin classes available on flights landing in the United States. Availability may vary depending on flight origin and airline.

Complete your trip to the United States

Explore popular destinations other users love

According to popular flight searches on momondo this year