Cheap flights from California to the United States from $40

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 10/12. 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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Cheap round-trip flights

Frontier Logo
9:23 am - 10:55 amLAX-SFO
1h 32mnonstop
Frontier Logo
12:00 pm - 1:32 pmSFO-LAX
1h 32mnonstop
$73Frontier
Find Deal
Thu, Oct 9 - Mon, Oct 13
Frontier Logo
5:45 am - 7:27 amSFO-LAS
1h 42mnonstop
Frontier Logo
7:33 pm - 9:22 pmLAS-SFO
1h 49mnonstop
$74Frontier
Find Deal
Mon, Sep 29 - Wed, Oct 8
Alaska Airlines Logo
8:31 pm - 10:14 pmSFO-LAS
1h 43mnonstop
Alaska Airlines Logo
7:00 am - 8:53 amLAS-SFO
1h 53mnonstop
$97Alaska Airlines
Find Deal
Sat, Nov 8 - Tue, Nov 11
United Airlines Logo
7:00 am - 8:40 amSFO-LAS
1h 40mnonstop
United Airlines Logo
4:05 pm - 5:49 pmLAS-SFO
1h 44mnonstop
$99United Airlines
Find Deal
Sun, Nov 23 - Tue, Nov 25
Southwest Logo
5:00 am - 6:30 amSFO-LAS
1h 30mnonstop
Southwest Logo
5:20 pm - 10:55 pmLAS-SFO
5h 35m1 stop
$107Southwest
Find Deal
Thu, Nov 6 - Mon, Nov 10
Southwest Logo
7:25 am - 9:00 amSFO-LAS
1h 35mnonstop
Southwest Logo
5:25 am - 12:20 pmLAS-SFO
6h 55m2 stops
$112Southwest
Find Deal
Sun, Oct 26 - Wed, Oct 29
Alaska Airlines Logo
10:18 pm - 11:59 pmSFO-LAS
1h 41mnonstop
Alaska Airlines Logo
11:51 am - 1:36 pmLAS-SFO
1h 45mnonstop
$114Alaska Airlines
Find Deal
Sun, Nov 23 - Tue, Dec 2
United Airlines Logo
9:00 am - 11:56 amLAX-SEA
2h 56mnonstop
United Airlines Logo
6:35 am - 9:20 amSEA-LAX
2h 45mnonstop
$157United Airlines
Find Deal
Sat, Oct 11 - Tue, Oct 14
Spirit Airlines Logo
10:53 pm - 9:58 amLAX-EWR
8h 05m1 stop
Spirit Airlines Logo
4:40 pm - 7:41 pmEWR-LAX
6h 01mnonstop
$172Spirit Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 18
Spirit Airlines Logo
6:40 am - 3:04 pmLAX-EWR
5h 24mnonstop
Spirit Airlines Logo
6:20 pm - 9:27 pmEWR-LAX
6h 07mnonstop
$175Spirit Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27

Delta flights from California to United States

Our best Delta deals on California to United States flight tickets
Delta
Oct 9
LAX9:49 pmLos Angeles
1h 25m
SFO11:14 pmSan Francisco
Oct 13
SFO8:59 pmSan Francisco
1h 36m
LAX10:35 pmLos Angeles
Delta
Nov 8
LAX4:25 pmLos Angeles
1h 20m
SFO5:45 pmSan Francisco
Nov 10
SFO5:55 amSan Francisco
1h 30m
LAX7:25 amLos Angeles
Delta
Oct 16
ONT5:50 pmOntario
2h 59m
SEA8:49 pmSeattle/Tacoma Intl
Oct 21
SEA2:24 pmSeattle/Tacoma Intl
2h 46m
ONT5:10 pmOntario

Frontier flights from California to United States

Our best Frontier deals on California to United States flight tickets
Frontier
Oct 9
LAX9:23 amLos Angeles
1h 32m
SFO10:55 amSan Francisco
Oct 13
SFO12:00 pmSan Francisco
1h 32m
LAX1:32 pmLos Angeles
Frontier
Oct 20
LAX6:57 pmLos Angeles
1h 41m
SFO8:38 pmSan Francisco
Oct 30
SFO10:23 amSan Francisco
1h 31m
LAX11:54 amLos Angeles
Frontier
Oct 19
LAX9:23 amLos Angeles
1h 32m
SFO10:55 amSan Francisco
Oct 25
SFO12:00 pmSan Francisco
1h 32m
LAX1:32 pmLos Angeles

momondo Fare Finder

 
Customize your flight search to find flights from California to United States that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
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

Los AngelesSan Francisco

LAX - SFO

LAXSFO

Los Angeles

Thu 10/9

9:23 am-10:55 am

Nonstop1h 32m

San Francisco

Mon 10/13

12:00 pm-1:32 pm

Nonstop1h 32m

$73

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Mon 9/29

5:45 am-7:27 am

Nonstop1h 42m

Las Vegas Harry Reid Intl

Wed 10/8

7:33 pm-9:22 pm

Nonstop1h 49m

$74

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Sat 11/8

8:31 pm-10:14 pm

Nonstop1h 43m

Las Vegas Harry Reid Intl

Tue 11/11

7:00 am-8:53 am

Nonstop1h 53m

$97

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Sun 11/23

7:00 am-8:40 am

Nonstop1h 40m

Las Vegas Harry Reid Intl

Tue 11/25

4:05 pm-5:49 pm

Nonstop1h 44m

$99

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Thu 11/6

5:00 am-6:30 am

Nonstop1h 30m

Las Vegas Harry Reid Intl

Mon 11/10

5:20 pm-10:55 pm

1 stop5h 35m

$107

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Sun 10/26

7:25 am-9:00 am

Nonstop1h 35m

Las Vegas Harry Reid Intl

Wed 10/29

5:25 am-12:20 pm

2 stops6h 55m

$112

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Sun 11/23

10:18 pm-11:59 pm

Nonstop1h 41m

Las Vegas Harry Reid Intl

Tue 12/2

11:51 am-1:36 pm

Nonstop1h 45m

$114

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 10/11

9:00 am-11:56 am

Nonstop2h 56m

Seattle/Tacoma Intl

Tue 10/14

6:35 am-9:20 am

Nonstop2h 45m

$157

Los AngelesNewark

LAX - EWR

LAXEWR

Los Angeles

Tue 10/7

10:53 pm-9:58 am

1 stop8h 05m

Newark

Sat 10/18

4:40 pm-7:41 pm

Nonstop6h 01m

$172

Los AngelesNewark

LAX - EWR

LAXEWR

Los Angeles

Fri 10/24

6:40 am-3:04 pm

Nonstop5h 24m

Newark

Mon 10/27

6:20 pm-9:27 pm

Nonstop6h 07m

$175

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United States from

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

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 $292. If you aren’t able to travel during the month of January, then book flights to United States from California during February instead. Flights to United States in February, while not as cheap as those in January, still average around $303.

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 $382. 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 $498. 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 $365. Try not to purchase tickets in the morning because they tend to be around $456. 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 Oakland to Las Vegas Harry Reid Intl for the best California - 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 California when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $363 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 $313 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

$46

Fastest flight time

1h 20m

Direct flights

Every day

Airports in United States

2 airports
The best one-way flight to United States from California in the past 72 hours is $46. The best round-trip flight deal from California to United States found on momondo in the last 72 hours is $78.
The fastest flight from California to United States takes 1h 20m
Direct flights go from California to United States every day.
There are 2 airports near United States: San Francisco (SFO), Las Vegas Harry Reid Intl (LAS)
  • 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?

  • 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?

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
Spirit AirlinesPriceFrom $22Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
FrontierPriceFrom $27Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $29Free CancellationRating
7.8
2,729 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $53Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Alaska AirlinesPriceFrom $57Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $57Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Avelo AirlinesPriceFrom $76Free CancellationRating
7.5
78 reviews
Search Avelo Airlines flights
Allegiant AirPriceFrom $78Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
SouthwestPriceFrom $79Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $97Free CancellationRating
7.2
10,000 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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1 adult
Fri 10/17
Fri 10/24

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Popular cities in the United States

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