Southwest Airlines flights from BOI to DEN
Find comprehensive Southwest Airlines flight information, schedules, and booking details for direct flights from BOI to DEN. Southwest Airlines operates 5-9 flights daily flights on this route.• Flight Duration: 1h 45m - 2h 25m (average flight time)• Distance: 651 miles (1047 km) (air miles between airports)• Daily Flights: 5-9 flights (scheduled departures per day)
BOI
DEN
FLIGHT TIME
1h 45m - 2h 25m
FLIGHT DISTANCE
651 miles (1047 km)
1h 45m - 2h 0m
05:00
17:25
651 miles (1047 km)
September
1 (Show)
61
Southwest Airlines Flight Schedule from BOI to DEN
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN1375 |  Southwest Airlines | 05:00 | 07:00:00 | Boeing 737MAX 8 Passenger |
WN1376 | Southwest Airlines | 11:15 | 13:05:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
WN1284 | Southwest Airlines | 17:25 | 19:10:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
Southwest Airlines Monthly Flight Calendar
December 2025
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 1h 45m - 2h 25m.
Pricing patterns: September typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 5:00, 11:00, 17:00, offering more flight options and potentially better connections.
BOI - DEN flight price statistics
$325
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$290
Jan$314
Feb$329
Mar$322
Apr$452
May$390
Jun$422
Jul$314
Aug$220
Sep$344
Oct$220
Nov$282
DecSouthwest Airlines Terminal Information
Terminal information for Southwest Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Southwest Airlines Flights
How many Southwest Airlines flights operate from BOI to DEN?
Southwest Airlines operates 3 flights from BOI to DEN.
What city does DEN airport serve?
DEN airport serves Denver.
How long is the Southwest Airlines flight from BOI to DEN?
The flight duration is approximately 1h 45m - 2h 25m.
What is the distance from BOI to DEN?
The distance is 651 miles (1047 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737MAX 8 Passenger, Boeing 737-800 (winglets) Passenger/BBJ2, Boeing 737-700 (winglets) Passenger/BBJ1 on this route.
Which other airlines operate on this route?
1 other airline operates on this route: United Airlines.
What are the earliest and latest Southwest Airlines flight departure times?
The earliest Southwest Airlines flight departs at 05:00 and the latest departs at 17:25.
What is the cheapest month to fly Southwest Airlines from BOI to DEN?
September is typically the cheapest month to fly Southwest Airlines on this route.
What is the average price for a Southwest Airlines flight from BOI to DEN?
The average price for a round-trip Southwest Airlines flight on this route is approximately $325. Prices can vary based on booking time and demand.
How many Southwest Airlines flights operate per week on this route?
Southwest Airlines operates approximately 61 flights per week from BOI to DEN.