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Flights operate between Denver (DEN) and Boise (BOI).

1 airline operates this route with 5-11 flights daily flights.

Average flight time is 1h 55m - 2h 21m.

Route distance is 651 miles (1047 km).

Route Distance

651 miles (1047 km)

Average Duration

1h 55m - 2h 21m

Airlines Operating This Route

Southwest Airlines

Flight Frequency

Daily Flights

5-11 flights

Weekly Flights

59

Typical Departure Time Ranges

Earliest Departure

07:55

Latest Departure

22:35

Route Intelligence Dashboard

Overall Connectivity Score

70

Good
Route Diversity

1

Direct Routes

Southwest Airlines serves 1 destination from DEN

Weekly Frequency

21

Weekly Flights

Trend: Stable

Top 1 Most Frequent Routes - Details
RouteWeekly FlightsDurationDistanceReliability
DENBoise (BOI) (BOI)
21/week
1h 55m - 2h 21m651 km
Moderate
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Flight Schedule & Filters

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Southwest Airlines flights from Denver (DEN) to Boise (BOI)

Southwest Airlines operates scheduled nonstop flights between Denver (DEN) and Boise (BOI). Southwest Airlines operates 5-11 flights daily flights on this route.Flight Duration: 1h 55m - 2h 21m (average flight time)Distance: 651 miles (1047 km) (air miles between airports)Daily Flights: 5-11 flights (scheduled departures per day)

DEN
Denver (DEN)

US

BOI
Boise (BOI)

US

FLIGHT TIME

1h 55m - 2h 21m

FLIGHT DISTANCE

651 miles (1047 km)
Flight time
2h 0m - 2h 5m
Earliest flight
07:55
Last flight
22:35
Distance
651 miles (1047 km)
Cheapest month
September
Airlines
1 (Show)
Flights per week
59

Southwest Airlines Terminal Information & Contact

Departure Terminal - Denver (DEN)

Terminal: 1

Phone: 800-435-9792

Location: 1, Denver, US

Arrival Terminal - Boise (BOI)

Terminal: 1

Phone: 800-435-9792

Location: 1, Boise, US

Southwest Airlines Flight Schedule from Denver (DEN) to Boise (BOI)

FlightAirlineDepartureArrivalAircraft

WN1385

Southwest Airlines

Southwest Airlines

07:55

10:00:00

Boeing 737-700 (winglets) Passenger/BBJ1

WN2259

Southwest Airlines

Southwest Airlines

15:00

17:00:00

Boeing 737-700 (winglets) Passenger/BBJ1

WN927

Southwest Airlines

Southwest Airlines

22:35

00:40:00

Boeing 737-800 (winglets) Passenger/BBJ2

Southwest Airlines Monthly Flight Calendar

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View all 8 flights from Denver (DEN) to Boise (BOI) operated by 2 airlines

Things to Do Near BOI Airport

Residence Inn Boise Downtown
5.3 km from airport
Idaho Aquarium
5.6 km from airport
Bond Hotel & Extended Stay
6.5 km from airport
Frank Steunenberg Statue
7.0 km from airport
Marianne Williams Park Picnic Area
8.1 km from airport

Southwest Airlines Terminal Information

Departure Terminal at Denver (DEN):

• Terminal : Southwest Airlines operates from this terminal

Terminal 1:

Southwest Airlines Terminal Phone: 800-435-9792

Arrival Terminal at Boise (BOI):

• Terminal : Southwest Airlines operates from this terminal

Terminal 1:

Southwest Airlines Terminal Phone: 800-435-9792

Weather & Climate at Boise (BOI)

11.8°C

Avg Temperature

32mm

Avg Rainfall

10.8km/h

Avg Wind Speed

54%

Avg Humidity

Best Months to Visit

Challenging Months

12-Month Weather Overview

Wind Speed by Month

Humidity by Month

Best Time to Book Flights to Boise (BOI)

Best Booking Window

Book 2-3 months in advance for best prices

Booking Tip

Avoid booking during extreme weather months for better deals

Recommended Months

2025-06
2025-07
2025-08
2025-09

These months offer the best balance of weather, prices, and availability.

Monthly Booking Recommendations

Recommended - Best Value
Peak - Book Early
Normal

Flight Price Trends for Boise (BOI)

Cheapest Months to Fly

2023-06
2023-07
2023-08
2023-09

Book flights during these months for the best deals and lowest prices.

Price Trend Analysis

Prices are typically lower during shoulder seasons

Monthly Price Trends

Cheapest - Best Deals
Expensive - Higher Prices
Normal Prices

Best Months to Fly Southwest Airlines to Boise (BOI)

Best Months

2025-06
2025-07
2025-08
2025-09

Optimal conditions for travel with favorable weather, prices, and availability.

Shoulder Season

2025-01
2025-02
2025-03
2025-04
2025-05
2025-10
2025-11
2025-12

Transition periods with moderate conditions. Good balance of price and experience.

Seasonal Insight

Best travel months: 2025-06, 2025-07, 2025-08, 2025-09

Seasonal Travel Calendar

Best - Optimal Conditions
Shoulder - Good Value
Challenging
Extreme - Use Caution

Southwest Airlines Contact Information and Customer Services

Southwest Airlines Address

2702 Love Field Dr
Dallas, TX 75235, US

Customer Service Phone

800-435-9792

Official Website

southwest.com/

Follow Southwest Airlines on Social Media

Instagram

Twitter

YouTube

TripAdvisor

Wikipedia

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Frequently Asked Questions

How many Southwest Airlines flights operate from Denver (DEN) to Boise (BOI)?

Southwest Airlines operates 3 flights from Denver (DEN) to Boise (BOI).

What city does Boise (BOI) airport serve?

Boise (BOI) airport serves Boise, US.

How long is the Southwest Airlines flight from Denver (DEN) to Boise (BOI)?

The flight duration is approximately 1h 55m - 2h 21m.

What is the distance from Denver (DEN) to Boise (BOI)?

The distance is 651 miles (1047 km).

What aircraft does Southwest Airlines use on this route?

Southwest Airlines uses Boeing 737-700 (winglets) Passenger/BBJ1, Boeing 737-800 (winglets) Passenger/BBJ2 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 07:55 and the latest departs at 22:35.

View all Southwest Airlines flights to Denver (DEN) →

Popular Southwest Airlines routes from Denver include multiple destinations.

Route data verified regularly by Triposia Travel Research Team.

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