Search Cheap Flights to
Longmont

Search 400 airlines and 321,000 hotels worldwide.

Stop Planning & Start Exploring

FREE 24 hour cancellation on most flights

Longmont Flights as Low as $83

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Frontier Airlines
Wed, Sep 9 - Tue, Sep 15
ORD
O'Hare Intl.
DEN
Denver Intl.
$83 Roundtrip, just found
$83
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 9 from O'Hare Intl. to Denver Intl., returning Tue, Sep 15, priced at $83 just found
Frontier Airlines
Tue, Aug 18 - Sat, Aug 29
ORD
O'Hare Intl.
DEN
Denver Intl.
$84 Roundtrip, found 2 hours ago
$84
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, Aug 18 from O'Hare Intl. to Denver Intl., returning Sat, Aug 29, priced at $84 found 2 hours ago
Frontier Airlines
Wed, Sep 9 - Tue, Sep 15
ORD
O'Hare Intl.
DEN
Denver Intl.
$100 Roundtrip, just found
$100
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 9 from O'Hare Intl. to Denver Intl., returning Tue, Sep 15, priced at $100 just found
Frontier Airlines
Fri, Oct 16 - Tue, Oct 20
PDX
Portland Intl.
DEN
Denver Intl.
$107 Roundtrip, found 2 hours ago
$107
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Oct 16 from Portland Intl. to Denver Intl., returning Tue, Oct 20, priced at $107 found 2 hours ago
Frontier Airlines
Wed, Sep 9 - Wed, Sep 16
ORD
O'Hare Intl.
DEN
Denver Intl.
$110 Roundtrip, found 1 hour ago
$110
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Sep 9 from O'Hare Intl. to Denver Intl., returning Wed, Sep 16, priced at $110 found 1 hour ago
Frontier Airlines
Sat, Sep 12 - Wed, Sep 16
ORD
O'Hare Intl.
DEN
Denver Intl.
$111 Roundtrip, found 1 hour ago
$111
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Sep 12 from O'Hare Intl. to Denver Intl., returning Wed, Sep 16, priced at $111 found 1 hour ago
Frontier Airlines
Sat, Sep 12 - Mon, Sep 14
ORD
O'Hare Intl.
DEN
Denver Intl.
$112 Roundtrip, found 1 hour ago
$112
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Sep 12 from O'Hare Intl. to Denver Intl., returning Mon, Sep 14, priced at $112 found 1 hour ago
Frontier Airlines
Tue, Aug 25 - Sat, Aug 29
ORD
O'Hare Intl.
DEN
Denver Intl.
$117 Roundtrip, found 1 day ago
$117
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Aug 25 from O'Hare Intl. to Denver Intl., returning Sat, Aug 29, priced at $117 found 1 day ago
Frontier Airlines
Sat, Aug 22 - Tue, Sep 1
ORD
O'Hare Intl.
DEN
Denver Intl.
$119 Roundtrip, found 1 day ago
$119
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Aug 22 from O'Hare Intl. to Denver Intl., returning Tue, Sep 1, priced at $119 found 1 day ago
United
Wed, Sep 9 - Tue, Sep 15
ORD
O'Hare Intl.
DEN
Denver Intl.
$159 Roundtrip, just found
$159
Roundtrip
just found
Select United flight, departing Wed, Sep 9 from O'Hare Intl. to Denver Intl., returning Tue, Sep 15, priced at $159 just found
Delta
Wed, Aug 19 - Wed, Aug 26
DAL
Love Field
DEN
Denver Intl.
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Delta flight, departing Wed, Aug 19 from Love Field to Denver Intl., returning Wed, Aug 26, priced at $177 just found
Alaska Airlines
Tue, Sep 8 - Tue, Sep 15
PDX
Portland Intl.
DEN
Denver Intl.
$185 Roundtrip, found 5 hours ago
$185
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Tue, Sep 8 from Portland Intl. to Denver Intl., returning Tue, Sep 15, priced at $185 found 5 hours ago
United
Tue, Sep 29 - Wed, Sep 30
LGA
LaGuardia
DEN
Denver Intl.
$203 Roundtrip, just found
$203
Roundtrip
just found
Select United flight, departing Tue, Sep 29 from LaGuardia to Denver Intl., returning Wed, Sep 30, priced at $203 just found
United
Tue, Sep 1 - Wed, Sep 16
EWR
Newark Liberty Intl. Airport
DEN
Denver Intl.
$203 Roundtrip, found 2 hours ago
$203
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Sep 1 from Newark Liberty Intl. Airport to Denver Intl., returning Wed, Sep 16, priced at $203 found 2 hours ago
American Airlines
Tue, Sep 29 - Wed, Sep 30
LGA
LaGuardia
DEN
Denver Intl.
$223 Roundtrip, just found
$223
Roundtrip
just found
Select American Airlines flight, departing Tue, Sep 29 from LaGuardia to Denver Intl., returning Wed, Sep 30, priced at $223 just found
Sun Country Airlines
Fri, Jul 17 - Sun, Jul 19
PDX
Portland Intl.
DEN
Denver Intl.
$678 Roundtrip, found 12 hours ago
$678
Roundtrip
found 12 hours ago
Select Sun Country Airlines flight, departing Fri, Jul 17 from Portland Intl. to Denver Intl., returning Sun, Jul 19, priced at $678 found 12 hours ago

Cheap Flights to Longmont

Fall in love at first flight with your vacation to Longmont by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Longmont on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Longmont, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Longmont

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Longmont with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the DEN airport.

What is the cheapest month to fly to Longmont?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Longmont are in September, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Longmont?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 16 to choose from for your flight to Longmont.

What airport is best to fly into Longmont?

When you’re planning your trip to Longmont, convenience is the name of the game. Luckily, Longmont Rocky Mountain Metropolitan Airport is nearby so you can deplane and get going on checking off everything on your Longmont must-do list.

How much are flights to Longmont?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Longmont on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $83, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Longmont?

The trick to saving a stack of cash on your flight to Longmont? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $83 right now, why wait?

Longmont Flight Information
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Roundtrip price
$83

Last Minute Hotel Deals in Longmont

Super 8 by Wyndham Longmont/Twin Peaks

Super 8 by Wyndham Longmont/Twin Peaks

2 out of 5
2446 N Main St Longmont CO
Book a stay at this business-friendly motel in Longmont. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
8.2/10 Very Good! (1,007 reviews)
"Room was a bit dated but clean and a comfortable bed. The free breakfast was excellent and first time I’d made my own waffles. I think Super 8 gets a bad rap sometimes but I have absolutely no complaints and I was in close proximity to where I needed to be the next day. I wasn’t concerned about the ..."

Reviewed on Jun 10, 2026

Get rates
Super 8 by Wyndham Longmont/Twin Peaks
Comfort Suites Longmont

Comfort Suites Longmont

2.5 out of 5
11292 Business Park Cir Longmont CO
Book a stay at this business-friendly hotel in Longmont. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.4/10 Very Good! (1,023 reviews)
"We booked this hotel for June 4-8, 2026 and after 1 night stay found our room was heavily infested with bedbugs. My daughter ended up having 38 bites. The receptionist who was working was very kind and helpful. At first the manager was also helpful. He said he would refund us for our stay and we ..."

Reviewed on Jun 11, 2026

Get rates
Comfort Suites Longmont
Fairfield Inn & Suites by Marriott Boulder Longmont

Fairfield Inn & Suites by Marriott Boulder Longmont

3 out of 5
1089 South Hover Street Longmont CO
Book a stay at this business-friendly hotel in Longmont. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9/10 Wonderful! (853 reviews)
"When we first checked into the room at about 330 there were two bags of trash in the hallway, which were still there the next morning. That should never happen. Paragraph also when I parked my car first thing in the morning around at 8:30 AM there was a man sleeping in the bushes in front of the ..."

Reviewed on Jun 7, 2026

Get rates
Fairfield Inn & Suites by Marriott Boulder Longmont
Expedition Lodge Estes Park

Expedition Lodge Estes Park

3 out of 5
1701 N Lake Ave Estes Park CO
Book a stay at this business-friendly hotel in Estes Park. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff and the ...
8.4/10 Very Good! (927 reviews)
"Staff very friendly. Greeting you each time you come in. Fabulous game room with shelves of board games. Very nice clean room and pool area. Attention to detail and customer comfort very evident. Will definitely stay here again."

Reviewed on Jun 11, 2026

Get rates
Expedition Lodge Estes Park
The Westin Westminster

The Westin Westminster

4 out of 5
10600 Westminster Boulevard Westminster CO
Book a stay at this family-friendly hotel in Westminster. Enjoy breakfast (surcharge), a free area shuttle, and a fitness center. Our guests praise the helpful ...
8.8/10 Excellent! (1,121 reviews)
"Awesome place to stay, would definitely recommend!"

Reviewed on Jun 11, 2026

Get rates
The Westin Westminster
Hotel Boulderado

Hotel Boulderado

4 out of 5
2115 13th St Boulder CO
Book a stay at this luxury hotel in Boulder. Enjoy free WiFi, 2 restaurants, and breakfast (surcharge). Our guests praise the restaurant and the bar in our reviews. ...
9.6/10 Exceptional! (1,747 reviews)
"Super cool. I was bummed that the newer rooms have less "character" than the older rooms. Also, we were never able to connect our computer to the tv due to a bad internet connection. And, the air conditioning was either too hot or too cold...we could never get the right temperature in the room."

Reviewed on Jun 12, 2026

Get rates
Hotel Boulderado
Blue Door Inn

Blue Door Inn

2.5 out of 5
1220 Big Thompson Ave Estes Park CO
Book a stay at this business-friendly motel in Estes Park. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
8.6/10 Excellent! (1,010 reviews)
"Very good location and service"

Reviewed on Jun 12, 2026

Get rates
Blue Door Inn
Omni Interlocken

Omni Interlocken

4 out of 5
500 Interlocken Blvd Broomfield CO
Book a stay at this spa resort in Broomfield. Enjoy free WiFi, free parking, and 2 outdoor pools. Our guests praise the breakfast and the pool in our reviews. ...
9.2/10 Wonderful! (1,013 reviews)
"This hotel was good. The staff was the best part. They overbooked a suite and then gave us the biggest hotel in the building. The patio door was rough to open. The blinds in the master room had some stains on them. And the AC struggles during the day. I would stay here again however because of the ..."

Reviewed on Jun 11, 2026

Get rates
Omni Interlocken
See all 4,525 properties in Longmont
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.