$93 Cheap flight deals from Seattle (SEA) to Longmont (DEN)
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This Weekend's Flight Deals from Seattle 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 $93 One Way, $135 Round Trip from Seattle to Longmont
Prices starting at $135 for return flights and $93 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
Patterson Inn
Jun 26 - Jun 29
Seattle (SEA) to Denver (DEN)
Denver (DEN) to Seattle (SEA)
Reviewed on Sep 28, 2025
Populus
Jul 9 - Jul 15
Seattle (SEA) to Denver (DEN)
Denver (DEN) to Seattle (SEA)
Reviewed on Sep 11, 2025
The Source Hotel
Jul 9 - Jul 15
Seattle (SEA) to Denver (DEN)
Denver (DEN) to Seattle (SEA)
Reviewed on May 4, 2026
More About Flying To Longmont from Seattle
Route Information for Flights from Seattle to Longmont
Origin Airport IATA Code | SEA |
|---|---|
Destination Airport IATA Code | DEN |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Seattle to Longmont
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Take advantage of low fares on Seattle to Longmont flights and vacation packages
Orbitz has the best prices available on flights from Seattle to Longmont. Take advantage of our low fare sales and discounts and begin to plan your next trip. We also give you great savings on hotels, car rentals, and vacation packages.
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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.