$23 Cheap Flights to Western United States

View $23 flight on Tue, May 26, 2026Opens in a new window

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  • Alaska Airlines

  • American Airlines

  • Delta

  • United

  • Frontier Airlines

  • Southwest Airlines

  • JetBlue Airways

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How much is the cheapest flight to Western United States?

Prices were available within the past 7 days and start at $23 for one-way flights and $46 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sun, May 24 - Fri, May 29
SFO
San Francisco
PHX
Phoenix
$56 Roundtrip, found 1 hour ago
$56
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, May 24 from San Francisco to Phoenix, returning Fri, May 29, priced at $56 found 1 hour ago
United
Sat, May 30 - Wed, Jun 3
SFO
San Francisco
SAN
San Diego
$117 Roundtrip, found 1 hour ago
$117
Roundtrip
found 1 hour ago
Select United flight, departing Sat, May 30 from San Francisco to San Diego, returning Wed, Jun 3, priced at $117 found 1 hour ago
Southwest Airlines
Tue, Jun 2 - Wed, Jun 3
SFO
San Francisco
SAN
San Diego
$117 Roundtrip, found 1 hour ago
$117
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Jun 2 from San Francisco to San Diego, returning Wed, Jun 3, priced at $117 found 1 hour ago
Delta
Tue, May 19 - Wed, May 20
SFO
San Francisco
LAX
Los Angeles
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Delta flight, departing Tue, May 19 from San Francisco to Los Angeles, returning Wed, May 20, priced at $137 just found
Alaska Airlines
Tue, Jun 2 - Wed, Jun 3
SFO
San Francisco
PAE
Seattle
$157 Roundtrip, found 5 hours ago
$157
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Tue, Jun 2 from San Francisco to Seattle, returning Wed, Jun 3, priced at $157 found 5 hours ago

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Los Angeles Intl. LAX. Flights from $453
LAX
Los Angeles Intl.
Flights from $453
Select flight to San Francisco Intl. SFO. Flights from $478
SFO
San Francisco Intl.
Flights from $478
Select flight to McCarran Intl. LAS. Flights from $424
LAS
McCarran Intl.
Flights from $424
Select flight to Seattle - Tacoma Intl. SEA. Flights from $319
SEA
Seattle - Tacoma Intl.
Flights from $319
Select flight to Vancouver Intl. YVR. Flights from $434
YVR
Vancouver Intl.
Flights from $434
Select flight to Denver Intl. DEN. Flights from $466
DEN
Denver Intl.
Flights from $466
Select flight to Sky Harbor Intl. PHX. Cheapest option available. Flights from $300
PHX
Sky Harbor Intl.
Cheapest
Flights from $300

Frequently asked questions

What month is the cheapest to fly to Western United States?
May is the cheapest month to travel to Western United States. There's less demand then, so fares are usually more affordable. Booking your trip outside of public holidays and school breaks can also help you save.
Which US cities have the cheapest flights to Western United States?
Generally, New York, Washington and Dallas have cheap flights to Western United States. However, flexibility is key to bagging a bargain. Fly midweek or during the low season to keep costs to a minimum.
Which US cities fly direct to Western United States?
You can fly to Western United States without any stops from 150 US destinations. To find a nonstop route, use the "Direct flights only" filter when looking for flights to Western United States on Expedia. Then, compare your options and pick the best departure out of any of these cities:

  • New York
  • Washington
  • Dallas
  • Boston
  • Phoenix

How to find a cheap flight to Western United States?
Book early to score cheap flights to Western United States. Also, consider visiting during off-season months like January and February. If you fly on a Thursday, you'll save an average of 16% compared to departing on a Sunday.* Save time checking every day and set up a price alert on the Expedia app. We'll send you a notification when fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Western United States?
Staying flexible with your travel plans can help you to secure last-minute offers on cheap flights to Western United States. To see all the available options, try looking at different ticket types, changing your Western United States trip dates, flying out of an alternative airport or using another carrier.
How far in advance should I book a flight to Western United States?
To pick up the biggest savings on domestic journeys, book your flight to Western United States 28 days ahead of your travel dates. For international flights, it's between two and four months in advance. This improves your chances of locking in your preferred departure times and seats.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Western United States?
Sundays are generally the best day to book a cheap flight to Western United States, with savings of about 8% on average compared to Fridays. If you purchase tickets on a Friday, expect to pay more as this is typically the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Western United States?
Choose from these two reputable carriers that have flights to Western United States:

  • United Airlines - 26,520 flights to Western United States each month, including 13,169 flights to Denver Intl. Airport (DEN) per month.
  • Delta Air Lines - 21,306 flights to Western United States each month, including 6,610 flights to Salt Lake City Intl. Airport (SLC) per month.

Can I save money by booking a Western United States trip package?
Bundle your flight and hotel and you could save hundreds of dollars. Better yet, you can add extras like activities and car rentals to your Western United States, United States of America flight and hotel package deal. With Expedia, it's easy to look after all your Western United States travel plans in the same place.
Can I change or cancel my flight to Western United States?
It's often possible to cancel or change your flight to Western United States. Many airlines let you cancel your flights for free within 24 hours of making your booking. However, some flights are non-refundable, and airlines may offer you a credit toward a future flight in place of a direct refund. To secure affordable flights to Western United States with flexible change policies, check the "Changes included" or "No cancel fee" filters when you search. Want more information? Head to our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
Denver Intl.
Destination airport IATA code
DEN
Destination city name
Denver
Roundtrip price
$195

Trending flights to Western United States

Prices were available within the past 7 days and start at $23 for one-way flights and $46 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, May 19 - Tue, May 26
LAX
Los Angeles
PHX
Phoenix
$46 Roundtrip, found 1 hour ago
$46
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, May 19 from Los Angeles to Phoenix, returning Tue, May 26, priced at $46 found 1 hour ago