What airlines fly to United States?

Frontier, United Airlines and American 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.

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

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

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 03m on average. On the other hand, flying from San Jose to Los Angeles takes 1h 19m 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.

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

As of July 2026, 4,220 flights take off from California and land in United States each week. The most common flight departure day for this route is Tue, with 18% of weekly flights taking off on this day.

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

602 flights are operational daily from California to United States as of July 2026. The most popular departure time for this route is 6:00AM, with 44% of flights per day taking off at noon.

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 July 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.

3:04 pm - 5:51 pm

LAX

SEA

2h 47mnonstop

10:34 am - 1:34 pm

SEA

LAX

3h 00mnonstop

$188Frontier

Fri, Aug 21 - Mon, Aug 24

3:04 pm - 5:51 pm

LAX

SEA

2h 47mnonstop

10:34 am - 1:34 pm

SEA

LAX

3h 00mnonstop

$188Frontier

Wed, Aug 26 - Sun, Aug 30

3:16 pm - 6:26 pm

LAX

SEA

3h 10mnonstop

7:20 am - 1:24 pm

SEA

LAX

6h 04m

1 stop

$188Multiple Airlines

Sat, Oct 10 - Sun, Oct 11

10:50 am - 1:39 pm

LAX

SEA

2h 49mnonstop

8:15 pm - 11:04 pm

SEA

LAX

2h 49mnonstop

$189Multiple Airlines

Wed, Sep 9 - Mon, Sep 14

6:00 am - 8:47 am

LAX

SEA

2h 47mnonstop

3:58 pm - 6:46 pm

SEA

LAX

2h 48mnonstop

$194Alaska Airlines

Sat, Aug 15 - Thu, Aug 20

8:09 pm - 10:58 pm

LAX

SEA

2h 49mnonstop

6:10 pm - 8:59 pm

SEA

LAX

2h 49mnonstop

$195Alaska Airlines

Sat, Aug 15 - Wed, Aug 19

7:00 pm - 9:51 pm

LAX

SEA

2h 51mnonstop

9:00 am - 2:17 pm

SEA

LAX

5h 17m

1 stop

$197United Airlines

Wed, Sep 9 - Tue, Sep 15

7:40 am - 12:23 pm

LAX

SEA

4h 43m

1 stop

4:35 pm - 7:24 pm

SEA

LAX

2h 49mnonstop

$197United Airlines

Wed, Sep 30 - Tue, Oct 6

1:35 pm - 4:32 pm

LAX

SEA

2h 57mnonstop

5:02 pm - 7:55 pm

SEA

LAX

2h 53mnonstop

$197American Airlines

Tue, Aug 18 - Tue, Aug 25

7:35 pm - 10:37 pm

LAX

SEA

3h 02mnonstop

1:37 pm - 4:32 pm

SEA

LAX

2h 55mnonstop

$212American Airlines

Thu, Oct 29 - Sat, Oct 31

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JetBlue flights from California to United States

Our best JetBlue deals on California to United States flight tickets

JetBlue

Sep 11

SFO10:24 amSan Francisco

9h 45m

1 stop

LGA11:09 pmNew York LaGuardia

Sep 16

LGA4:00 pmNew York LaGuardia

10h 17m

1 stop

SFO11:17 pmSan Francisco

$323

JetBlue

Sep 21

SFO8:25 pmSan Francisco

5h 38m

JFK5:03 amNew York John F Kennedy Intl

Sep 22

JFK7:20 amNew York John F Kennedy Intl

6h 18m

SFO10:38 amSan Francisco

$324

JetBlue

Sep 8

LAX8:40 pmLos Angeles

9h 14m

1 stop

JFK8:54 amNew York John F Kennedy Intl

Sep 15

JFK11:29 amNew York John F Kennedy Intl

9h 58m

1 stop

LAX6:27 pmLos Angeles

$325

Delta flights from California to United States

Our best Delta deals on California to United States flight tickets

Delta

Aug 28

LAX7:00 pmLos Angeles

2h 45m

SEA9:45 pmSeattle/Tacoma Intl

Aug 31

SEA7:55 pmSeattle/Tacoma Intl

2h 50m

LAX10:45 pmLos Angeles

$227

Delta

Sep 17

LAX7:19 pmLos Angeles

2h 46m

SEA10:05 pmSeattle/Tacoma Intl

Sep 20

SEA9:35 pmSeattle/Tacoma Intl

2h 49m

LAX12:24 amLos Angeles

$237

Delta

Sep 2

LAX1:55 pmLos Angeles

5h 48m

HNL4:43 pmHonolulu

Sep 2

HNL10:45 pmHonolulu

10h 57m

1 stop

LAX12:42 pmLos Angeles

$309

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

Fri 8/21

3:04 pm-5:51 pm

Nonstop2h 47m

Seattle/Tacoma Intl

Mon 8/24

10:34 am-1:34 pm

Nonstop3h 00m

$188

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 8/26

3:04 pm-5:51 pm

Nonstop2h 47m

Seattle/Tacoma Intl

Sun 8/30

10:34 am-1:34 pm

Nonstop3h 00m

$188

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 10/10

3:16 pm-6:26 pm

Nonstop3h 10m

Seattle/Tacoma Intl

Sun 10/11

7:20 am-1:24 pm

1 stop6h 04m

$188

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 9/9

10:50 am-1:39 pm

Nonstop2h 49m

Seattle/Tacoma Intl

Mon 9/14

8:15 pm-11:04 pm

Nonstop2h 49m

$189

Quickest round-trip

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 8/15

6:00 am-8:47 am

Nonstop2h 47m

Seattle/Tacoma Intl

Thu 8/20

3:58 pm-6:46 pm

Nonstop2h 48m

$194

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 8/15

8:09 pm-10:58 pm

Nonstop2h 49m

Seattle/Tacoma Intl

Wed 8/19

6:10 pm-8:59 pm

Nonstop2h 49m

$195

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 9/9

7:00 pm-9:51 pm

Nonstop2h 51m

Seattle/Tacoma Intl

Tue 9/15

9:00 am-2:17 pm

1 stop5h 17m

$197

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 9/30

7:40 am-12:23 pm

1 stop4h 43m

Seattle/Tacoma Intl

Tue 10/6

4:35 pm-7:24 pm

Nonstop2h 49m

$197

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 8/18

1:35 pm-4:32 pm

Nonstop2h 57m

Seattle/Tacoma Intl

Tue 8/25

5:02 pm-7:55 pm

Nonstop2h 53m

$197

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 10/29

7:35 pm-10:37 pm

Nonstop3h 02m

Seattle/Tacoma Intl

Sat 10/31

1:37 pm-4:32 pm

Nonstop2h 55m

$212

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, January 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 $315. If you aren’t able to travel during the month of January, then book flights to United States from California during September instead. Flights to United States in September, while not as cheap as those in January, still average around $321.

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 $420. 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 $543. 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 $400. Try not to purchase tickets in the morning because they tend to be around $494. 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 Ontario to San Francisco 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 $386 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 $327 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	$45
Fastest flight time	0h 20m
Direct flights	Every day
Airports in United States	4,300 airports

The best one-way flight to United States from California in the past 72 hours is $45. The best round-trip flight deal from California to United States found on momondo in the last 72 hours is $77.

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

Direct flights go from California to United States every day.

There are 4,300 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 July 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 (13.87% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (8.96%), Airbus A318/A319/A320/A321 (8.86%), and Boeing 737-900 (8.75%).

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 $39	Free Cancellation	Rating 5.6 2,749 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $46	Free Cancellation	Rating 7.8 2,821 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $48	Free Cancellation	Rating 7.8 8,484 reviews	Search Delta flights
United Airlines	PriceFrom $68	Free Cancellation	Rating 7.4 10,052 reviews	Search United Airlines flights
Allegiant Air	PriceFrom $76	Free Cancellation	Rating 7.3 680 reviews	Search Allegiant Air flights
Southwest	PriceFrom $77	Free Cancellation	Rating 8.0 4,228 reviews	Search Southwest flights
Breeze Airways	PriceFrom $78	Free Cancellation	Rating 8.2 302 reviews	Search Breeze Airways flights
Alaska Airlines	PriceFrom $78	Free Cancellation	Rating 7.9 12,727 reviews	Search Alaska Airlines flights
JetBlue	PriceFrom $90	Free Cancellation	Rating 7.1 3,024 reviews	Search JetBlue flights
American Airlines	PriceFrom $105	Free Cancellation	Rating 7.1 11,840 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

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.

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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

Airlines

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Complete your trip

Feeling lucky

Popular cities in the United States

Flights to New Yorkfrom $82

Flights to Los Angelesfrom $40

Flights to Orlandofrom $50

Flights to Miamifrom $80

Flights to Chicagofrom $59

Flights to San Franciscofrom $40

Flights to Las Vegasfrom $40

Flights to Washington, D.C.from $59

Flights to Bostonfrom $54

Flights to Atlantafrom $50

Flights to Fort Lauderdalefrom $60

Flights to Dallasfrom $58

Cheap flights from California to the United States from $102

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 8/31. 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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JetBlue flights from California to United States

Our best JetBlue 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

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