
$120 Cheap flight deals from Boston (BOS) to Longmont (DEN)
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This Weekend's Flight Deals from Boston to Longmont
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $120 One Way, $239 Round Trip from Boston to Longmont
Prices starting at $239 for return flights and $120 for one-way flights to Longmont were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Longmont economy flight packages



Longmont first class flight packages

Courtyard by Marriott Fort Collins
Dec 7 - Dec 10
Boston (BOS) to Denver (DEN)
Reviewed on Nov 4, 2026


The Armstrong Hotel
Dec 7 - Dec 10
Boston (BOS) to Denver (DEN)
Reviewed on Nov 7, 2026
More About Flying To Longmont from Boston
Route Information for Flights from Boston to Longmont
Origin Airport IATA Code | BOS |
|---|---|
Destination Airport IATA Code | DEN |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Boston to Longmont
When you’re searching for Boston to Longmont flights for your family vacation, check out the guaranteed low prices at Orbitz. If you are looking for the best prices on hotels too, you’ll be sure to find great deals to suit your budget. You’ll also benefit from the following features:
Suitable Schedules
Orbitz simplifies the process of finding and booking budget flights from Boston to Longmont. Since we monitor hundreds of flight fares, you can compare several flights from a range of different airlines to find the best fares and most suitable departure and arrival times. Mix and match your departure and return flight for even more discounts and travel flexibility.
Mobile Apps
Taking a lunch break or waiting to pick up the kids? Orbitz’s cutting-edge mobile tools will help you search for cheap Boston to Longmont flights anywhere you are. Get exclusive mobile deals on flights, hotels, vacation packages, and cruises too.
Flight Alerts
Orbitz won’t leave you wondering whether your flight will take off on time. We can send you free alerts about your flights from Boston to Longmont to your mobile phone and email. Whether your flights from Boston to Longmont are running just a few minutes to a few hours late, we will let you know.
Miles and Points
If you travel regularly, you can still earn miles and points when you book qualifying Boston to Longmont flights. Enter your frequent flyer number with your reservation to see the miles rack up.
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.




