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$59+ Cheap flights from Long Beach to Denver (LGB - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
LGB — DEN
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Find cheap flights from Long Beach to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Long Beach Municipal to Denver Intl are usually found in April or September, booked 42 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Long Beach to Denver

Cheapest flights from Long Beach to Denver
Explore the most affordable flight options available from Long Beach to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Delta deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amLGB - DEN
1 stop7h 13mDelta
Wed 1/77:00 amDEN - LGB
1 stop6h 03mDelta
Deal found 12/3$295
This Southwest deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/139:55 amLGB - DEN
Nonstop2h 15mSouthwest
Wed 12/176:50 pmDEN - LGB
Nonstop2h 30mSouthwest
Deal found 12/3$338
This Southwest deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:00 amLGB - DEN
Nonstop2h 20mSouthwest
Fri 1/25:30 amDEN - LGB
1 stop4h 25mSouthwest
Deal found 12/3$369
This Southwest deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:05 pmLGB - DEN
Nonstop2h 20mSouthwest
Sun 12/285:30 amDEN - LGB
1 stop4h 25mSouthwest
Deal found 12/3$395
This Southwest deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/162:35 pmLGB - DEN
Nonstop2h 20mSouthwest
Thu 12/184:25 pmDEN - LGB
Nonstop2h 25mSouthwest
Deal found 12/4$408
This Southwest deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/194:05 pmLGB - DEN
Nonstop2h 20mSouthwest
Sun 12/216:45 pmDEN - LGB
Nonstop2h 30mSouthwest
Deal found 12/3$409

Find flight deals from Long Beach to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Long Beach (LGB) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$124
(Southwest)

One-way from

$59
(Southwest)

Popular in

June

Cheapest in

April

Average price

$347

Good round-trip deal

$309 or less

Good one-way deal

$154 or less
Provider with most accurate pricing for Long Beach Municipal-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Long Beach Municipal-Denver Intl flights.
Search Deals
From Long Beach Municipal to Denver Intl
Search Deals
One-way flight from Long Beach Municipal to Denver Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Long Beach Municipal to Denver Intl.
Search Deals
Price to beat on a one-way flight from Long Beach Municipal to Denver Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Long Beach to Denver 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, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Long Beach to Denver that are best for you.

Fly from

Long Beach

Fly to

Denver

Route

Depart

Return

Price

Long BeachDenver

LGB - DEN

LGBDEN

Long Beach Municipal

Wed 1/14

6:50 am-10:10 am

Nonstop2h 20m

Denver Intl

Sat 1/17

8:05 am-9:50 am

Nonstop2h 45m

$124

Long BeachDenver

LGB - DEN

LGBDEN

Long Beach Municipal

Mon 1/26

6:50 am-10:10 am

Nonstop2h 20m

Denver Intl

Wed 1/28

6:40 pm-8:15 pm

Nonstop2h 35m

$124

Long BeachDenver

LGB - DEN

LGBDEN

Long Beach Municipal

Sat 1/10

6:50 am-10:10 am

Nonstop2h 20m

Denver Intl

Tue 1/13

4:30 pm-8:45 pm

1 stop5h 15m

$134

Long BeachDenver

LGB - DEN

LGBDEN

Long Beach Municipal

Thu 1/8

6:50 am-10:10 am

Nonstop2h 20m

Denver Intl

Tue 1/13

6:40 pm-8:15 pm

Nonstop2h 35m

$135

Long BeachDenver

LGB - DEN

LGBDEN

Long Beach Municipal

Fri 1/23

6:50 am-10:10 am

Nonstop2h 20m

Denver Intl

Mon 1/26

6:40 pm-8:15 pm

Nonstop2h 35m

$139

Long BeachDenver

LGB - DEN

LGBDEN

Long Beach Municipal

Tue 1/13

1:10 pm-8:00 pm

1 stop5h 50m

Denver Intl

Thu 1/15

6:15 am-10:20 am

1 stop5h 05m

$161

Long BeachDenver

LGB - DEN

LGBDEN

Long Beach Municipal

Tue 2/3

6:50 am-10:10 am

Nonstop2h 20m

$59

Long BeachDenver

LGB - DEN

LGBDEN

Long Beach Municipal

Thu 1/29

2:20 pm-5:40 pm

Nonstop2h 20m

$66

Long BeachDenver

LGB - DEN

LGBDEN

Long Beach Municipal

Tue 3/3

10:10 am-5:00 pm

1 stop5h 50m

$69

Long BeachDenver

LGB - DEN

LGBDEN

Long Beach Municipal

Mon 2/2

2:20 pm-5:40 pm

Nonstop2h 20m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 15 results
1
2

Compare providers for flights from Long Beach to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Long Beach to Denver in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Long Beach-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Long Beach-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Long Beach-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Long Beach-Denver flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Long Beach-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Long Beach to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Long Beach with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Long Beach to Denver

How far ahead should I book a flight from Long Beach to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Long Beach to Denver. Price data was last updated on November 28, 2025.

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Long Beach to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Long Beach to Denver?

Currently, March is the cheapest month in which you can book a flight from Long Beach to Denver (average of $36). Flying from Long Beach to Denver in July is currently the most expensive (average of $91). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LGB to DEN?

Find hourly flight availability from Long Beach to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

A simple way to save on the total cost of your ticket is to fly from Long Beach to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 74% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Long Beach to Denver?

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated December 4, 2025.
Read through reviews of airlines operating flights from Long Beach to Denver, such as Southwest and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,252 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,252 reviews
Southwest
8.0
Very good
4,252 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,092 reviews
Southwest
8.0
Very good
4,252 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Long Beach to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Long Beach to Denver?

    If you wish to fly to Denver from Long Beach, then you need to book flights from Long Beach Municipal to Denver Intl. There is 1 flight from Long Beach Municipal (LGB) to Denver Intl (DEN) per day to choose from. Flights to Denver from Long Beach Municipal are available from 2 different airlines, which means you should have some options if you want to compare airfare deals. 2h 15m is how long a nonstop flight from Long Beach to Denver Intl typically takes.

  • How popular is this Long Beach to Denver flight route?

    The Long Beach Municipal to Denver Intl flight path was viewed by 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Long Beach to Denver?

    There are many flights that can get you from Long Beach to Denver in 2h 20m. Fly via Southwest to get the fastest option. Airlines will cover a distance of 852 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Long Beach to Denver round-trip?

    Flying on Frontier is currently your cheapest option to Denver, with prices starting at $56. Another option worth looking into is Southwest, starting at $190 round trip. Frontier is priced at 81% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Long Beach to Denver?

    The cheapest flight price from Long Beach to Denver is $98. On average you can expect to pay $286. The most popular route, (Long Beach Municipal - Denver Intl), can usually be booked for $117.

  • Can I find deals for flights from Long Beach to Denver that include hotel bookings?

    Yes. In addition to deals on Long Beach to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Long Beach to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Long Beach to Denver.

  • Can I find deals for business class flights from Long Beach to Denver?

    Yes. Cheapflights offers flight deals from Long Beach to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Long Beach to Denver?

    Currently, March is the cheapest month in which you can book a flight from Long Beach to Denver (average of $36). Flying from Long Beach to Denver in July is currently the most expensive (average of $91). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Thornton
Greeley
Lone Tree
Cripple Creek
Silverthorne
Central City
Frisco
Wheat Ridge
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Parker

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Long Beach to Denver

Discover the top 2 airlines that operate flights from Long Beach to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$109FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$190Average$297FlexibilityNo cancel feeOn-time63%

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