Cheap Flights to Grand Lake, CO

Popular airlines to Grand Lake

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Find the cheapest month to fly from Columbus (CMH) to Denver (DEN)

May is typically the cheapest month to fly

From $133 - $323 per traveler.

Frequently asked questions

What month is the cheapest to fly to Grand Lake?
is the cheapest month to fly to Grand Lake. There's less demand then, so fares are usually more affordable. Organizing your trip outside of major holidays and school breaks could also help you save.
Which US cities have the cheapest flights to Grand Lake?
Land cheap flights to Grand Lake from Chicago, Phoenix and Dallas. These cities generally offer the best fares to this unique destination. But bear in mind that holiday periods, stopovers and demand will also influence rates, so stay flexible and book when prices are right.
Which US cities fly direct to Grand Lake?
There are 164 US cities where you can fly to Grand Lake nonstop from. Compare the options by using the "Direct flights only" box on Expedia and find the ideal starting point for your trip. Here are several of the leading cities to take off from:

  • Chicago
  • Phoenix
  • Dallas
  • Las Vegas
  • Salt Lake City

How to find a cheap flight to Grand Lake?
Book in advance to snag cheap flights to Grand Lake. Also, consider traveling during off-season months like January and April. If you fly on a Thursday, you'll save 16% on average compared to those departing on a Sunday.* Save time checking every day and create a price alert on the Expedia app. We'll send you a notification when fares change.*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 Grand Lake?
Although booking in advance is typically the best way to save cash, don't worry if your Grand Lake vacation is last minute. You can still find cheap flights to Grand Lake, especially if your plans have a little wiggle room. Try switching up your dates, looking at different ticket options or jetting out of an alternative airport.
How far in advance should I book a flight to Grand Lake?
Secure your flight to Grand Lake two to four months ahead if you're taking off from an international destination. For domestic travel, the general guideline is 28 days in advance. Bigger savings and a greater choice of travel dates, schedules and seating options are just some of the awesome benefits of booking early.**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 Grand Lake?
Sundays are usually the best day to book a cheap flight to Grand Lake, where you can save 8% on average compared to Fridays. If you choose to purchase tickets on a Friday, be ready to pay a higher price 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 Grand Lake?
You can pick from two quality airlines that travel to Grand Lake. Pack your suitcase and take to the skies with either of these:

  • United Airlines - 13,169 flights to Grand Lake each month, including 13,169 flights to Denver Intl. Airport (DEN) per month.
  • Frontier Airlines - 2,184 flights to Grand Lake each month, including 2,184 flights to Denver Intl. Airport (DEN) per month.

Where do you fly into Grand Lake?
The main airport to fly to Grand Lake is Boulder, CO (WBU-Boulder Municipal). There's also the option to land at Broomfield, CO (BJC-Rocky Mountain Metropolitan) when flying to Grand Lake.
How far is the airport from central Grand Lake?
You'll be approximately 35 mi southeast of central Grand Lake after landing at Boulder, CO (WBU-Boulder Municipal).
Can I save money by booking a Grand Lake trip package?
It's possible to save hundreds of dollars if you lock in a Grand Lake flight and hotel package deal on Expedia. And you'll save yourself hassle by having all your travel plans in the same place. Try bundling your hotel and flight with extras like tours and car rentals for your own customized Grand Lake getaway.
Can I change or cancel my flight to Grand Lake?
If you reserved your flight to Grand Lake in the last 24 hours, you can usually change or cancel it for free. After that, additional costs may apply depending on the airline's rules and restrictions. To learn more, head to our Customer Service Portal. Remember that some flights are non-refundable, so you may be issued a credit for a future trip rather than a direct refund. When browsing Expedia, select the "No cancel fee" or "Changes included" boxes to find fares with flexible change policies.

*Flight schedules are subject to change.

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Tips to find the cheapest flights to Grand Lake

The cheapest day to fly

Get started finding a cheap flight to Grand Lake on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

is the cheapest month to fly to Grand Lake. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Grand Lake. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Grand Lake, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Grand Lake

The lowest price for round-trip flights to Grand Lake in 2026 starts from , while one-way tickets start from . Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Grand Lake. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Grand Lake

are just some of the airlines that can typically offer cheap tickets to Grand Lake. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Grand Lake and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Grand Lake, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Grand Lake. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Grand Lake plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Grand Lake

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Grand Lake.

Stopover savings

The cheapest tickets to Grand Lake are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Grand Lake. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Grand Lake for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Grand Lake. Simply download the free Expedia app to your smart device and activate Grand Lake flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Grand Lake. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

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

Tips to find the cheapest flights to Grand Lake

Travel information

Destination airport
Grand Lake
Destination airport IATA code
DEN

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