$108 Cheap Flights from Long Beach (LGB) to Denver (DEN)

View $108 flight on Fri, Jul 4, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Long Beach to Denver (LGB-DEN)

Prices were available within the past 7 days and start at $108 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, May 20 - Wed, May 21
LGB
Long Beach
DEN
Denver
$177 Roundtrip, found 5 days ago
$177
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, May 20 from Long Beach to Denver, returning Wed, May 21, priced at $177 found 5 days ago
Southwest Airlines
Sun, May 18 - Tue, May 20
LGB
Long Beach
DEN
Denver
$197 Roundtrip, found 3 days ago
$197
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sun, May 18 from Long Beach to Denver, returning Tue, May 20, priced at $197 found 3 days ago
Southwest Airlines
Tue, May 20 - Wed, May 21
LGB
Long Beach
DEN
Denver
$204 Roundtrip, found 5 days ago
$204
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, May 20 from Long Beach to Denver, returning Wed, May 21, priced at $204 found 5 days ago
Southwest Airlines
Thu, May 15 - Tue, May 20
LGB
Long Beach
DEN
Denver
$212 Roundtrip, found 5 days ago
$212
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Thu, May 15 from Long Beach to Denver, returning Tue, May 20, priced at $212 found 5 days ago
Southwest Airlines
Sat, May 24 - Sun, May 25
LGB
Long Beach
DEN
Denver
$215 Roundtrip, found 1 day ago
$215
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, May 24 from Long Beach to Denver, returning Sun, May 25, priced at $215 found 1 day ago
Southwest Airlines
Wed, May 21 - Sun, May 25
LGB
Long Beach
DEN
Denver
$216 Roundtrip, found 1 hour ago
$216
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, May 21 from Long Beach to Denver, returning Sun, May 25, priced at $216 found 1 hour ago
Southwest Airlines
Mon, May 19 - Wed, May 21
LGB
Long Beach
DEN
Denver
$217 Roundtrip, found 3 days ago
$217
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Mon, May 19 from Long Beach to Denver, returning Wed, May 21, priced at $217 found 3 days ago
Southwest Airlines
Wed, May 21 - Sun, May 25
LGB
Long Beach
DEN
Denver
$222 Roundtrip, found 1 hour ago
$222
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, May 21 from Long Beach to Denver, returning Sun, May 25, priced at $222 found 1 hour ago
Southwest Airlines
Wed, May 14 - Tue, May 20
LGB
Long Beach
DEN
Denver
$222 Roundtrip, found 4 days ago
$222
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, May 14 from Long Beach to Denver, returning Tue, May 20, priced at $222 found 4 days ago
Delta
Thu, May 22 - Sun, May 25
LGB
Long Beach
DEN
Denver
$226 Roundtrip, found 3 hours ago
$226
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, May 22 from Long Beach to Denver, returning Sun, May 25, priced at $226 found 3 hours ago
Flights from Long Beach (LGB) to Denver (DEN)
Origin airport
Long Beach Municipal
Destination airport
Denver Intl.
Airlines serving
Delta, Southwest Airlines
Roundtrip price
$177
Distance
852 mi

Long Beach to Denver Flights

The cheapest times to fly from Long Beach to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Long Beach to Denver are during the month of May. You can find some of the cheapest flights from Long Beach to Denver with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Long Beach to Denver

Sunday is one of the best days to book for cheap flights from Long Beach to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Long Beach to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Long Beach to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $108 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Long Beach to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Long Beach to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from LGB to Denver Airport last minute?
When it’s time to book your flights, being prepared pays dividends. While it’s possible to pick up a deal on a Long Beach Municipal Airport (LGB) to Denver Intl. Airport (DEN) flight at the last minute, prices usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days in advance. For international trips it’s three to four months.
What airports do you fly into for Denver from Long Beach?
Denver Intl. Airport (DEN), Centennial Airport (APA) and Broomfield, CO (BJC-Rocky Mountain Metropolitan) are your choices when flying from Long Beach to Denver. About 19 mi east of the heart of Denver, Denver Intl. Airport (DEN) is the city’s main gateway. Consider things such as flight schedules and the distance to your hotel before you select an airport. Empower Field at Mile High and Coors Field are two fantastic attractions to check out when you arrive.
Can I change the date of my flight from LGB to Denver Intl. Airport (DEN)?
It’s a snap to make amendments to your LGB to DIA airport trip yourself. Access your itinerary via the Expedia Trips portal and hit “change flight.” Look around for new flights and lock in the one that fits your new plans. You’ll see an estimate of applicable flight change costs. Alternatively, visit our Customer Service portal to connect with our Virtual Agent and get answers to all your questions.

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*Available to One Key members.