Lowest Prices
Uncover the best deals on Boise to St Louis flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest BOI - STL Flights
Useful information for finding best airline tickets from Boise Air Terminal/Gowen field to Lambert St Louis International on your next trip.
Cheapest Round Trip Flight
$489
Delta Airlines
• 1 stop
• 10h 38m
Aug 10 – Aug 17
The cheapest round trip flight from Boise to St Louis (BOI-STL-BOI) is currently $489
Fastest Flight
10h 38m
The fastest nonstop flight from Boise to St Louis (BOI-STL) takes 10h 38m
Top Airlines Flying from Boise to St Louis
Latest Flight Deals from Boise (BOI) to St Louis (STL)
Compare and book low fare round-trip air tickets from Boise to St Louis. Ideal for travelers with confirmed return itineraries.
Aug 10 - Aug 17, Economy
Boise → St Louis
10h 38m
6:00 AM - 1:38 PM • 1 stop
Boise → St Louis
12h 5m
5:34 PM - 11:59 PM • 1 stop
Delta Airlines
Aug 10 - Aug 17, Economy
Boise → St Louis
10h 40m
6:00 AM - 1:40 PM • 1 stop
Boise → St Louis
12h 20m
8:25 AM - 3:05 PM • 1 stop
Southwest Airlines
Aug 10 - Aug 17, Economy
Boise → St Louis
16h 40m
7:00 AM - 6:00 PM • 1 stop
Boise → St Louis
8h 50m
6:05 PM - 10:35 PM • 1 stop
Southwest Airlines
Aug 10 - Aug 17, Economy
Boise → St Louis
15h 50m
7:30 AM - 6:20 PM • 1 stop
Boise → St Louis
8h 50m
6:05 PM - 10:35 PM • 1 stop
Southwest Airlines
Aug 10 - Aug 17, Economy
Boise → St Louis
12h 38m
11:10 PM - 8:08 AM • 1 stop
Boise → St Louis
19h 19m
6:20 AM - 5:19 PM • 2 stops
Delta Airlines
Flying to St Louis soon? We've surfaced some of the most affordable last-minute flights from Boise to St Louis, ideal for urgent plans or spontaneous trips.
Aug 10 - Aug 17, Economy
Boise → St Louis
10h 38m
6:00 AM - 1:38 PM • 1 stop
Boise → St Louis
12h 5m
5:34 PM - 11:59 PM • 1 stop
Delta Airlines
Aug 10 - Aug 17, Economy
Boise → St Louis
10h 40m
6:00 AM - 1:40 PM • 1 stop
Boise → St Louis
12h 20m
8:25 AM - 3:05 PM • 1 stop
Southwest Airlines
Aug 10 - Aug 17, Economy
Boise → St Louis
16h 40m
7:00 AM - 6:00 PM • 1 stop
Boise → St Louis
8h 50m
6:05 PM - 10:35 PM • 1 stop
Southwest Airlines
Aug 10 - Aug 17, Economy
Boise → St Louis
15h 50m
7:30 AM - 6:20 PM • 1 stop
Boise → St Louis
8h 50m
6:05 PM - 10:35 PM • 1 stop
Southwest Airlines
Aug 10 - Aug 17, Economy
Boise → St Louis
12h 38m
11:10 PM - 8:08 AM • 1 stop
Boise → St Louis
19h 19m
6:20 AM - 5:19 PM • 2 stops
Delta Airlines
FAQs on Boise to St Louis Flights
What are the airports in Boise?
BOI
What’s the most popular airline flying from BOI to STL?
The most popular airline flying from Boise to St Louis are
Can I fly from BOI to STL non-stop?
NO
Which airlines fly nonstop between Boise and St Louis?
The non-stop flights between Boise and St Louis are .
What’s the earliest departure time from BOI to STL Airport?
The earliest flight leaves BOI at 5:30 am and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Boise to St Louis flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from BOI to STL?
Read the fare rules of the Boise to St Louis air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Boise and St Louis?
operate flights between Boise and St Louis
How long does a flight from Boise to St Louis take?
It takes approximately 3 hour to fly non-stop from BOI to STL, which is 1382.58 miles by air.
Which airlines provide the cheapest flights from Boise (BOI) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from BOI were found on DL : USD 737
Do I need a passport to fly between BOI and STL?
No
What’s the latest departure time from BOI to STL ?
The last flight leaves BOI at 11:10 pm
Essential Information for Booking Flights from Boise (BOI) - AI Insights
What's the cheapest airline from boi to stl?
You can find affordable flights from Boise to St. Louis on Alaska Airlines, which operates a single-stop flight. The airline offers budget-friendly options with premium services like priority check-in, lounge access, and flatbed seats. Book your ticket at least 55 days in advance for the best savings.
What's the popular airline to fly from boi to stl?
You can fly from Boise Air Terminal/Gowen Field (BOI) to Lambert St Louis International Airport (STL) on Southwest Airlines. This business class flight has one stop, operates as a one-way trip, and can be booked in advance for 55 days. With this booking, you'll enjoy premium service features such as priority check-in, lounge access, and flatbed seats.
What's the cheapest day of the week to fly from boi to stl?
The cheapest day to fly from Boise (BOI) to St. Louis (STL) is Saturday. Flying on Saturdays can result in lower fares, making it a budget-friendly option for your business class trip.
What's the cheapest month to fly from boi to stl?
The cheapest month to fly from Boise (BOI) to St. Louis (STL) is December, as it tends to have lower airfares compared to other months.
Which airline/airlines fly from boi to stl?
Frontier Airlines (F9) offers direct flights from Boise Air Terminal/Gowen Field (BOI) to Lambert St Louis International Airport (STL). You can book a Business class ticket on Frontier Airlines, which includes priority check-in, lounge access, and flatbed seats. For the best airfares, consider booking at least 55 days in advance for a one-way trip.
What are the available flights from Boise to St Louis?
You can find available flights from Boise to St Louis with Alaska Airlines, which is one of the cheapest airlines for this route.
How can I book my airfare for Milwaukee
To book your airfare for Milwaukee, you can use Southwest Airlines or Buelos, but be aware that Buelos might not offer the best deals.
Can I find cheap flights on Buelos or Boleto websites?
Yes, you can find affordable flights on Buelos and Boleto websites, but make sure to compare prices across multiple airlines before booking.
Is it possible to get weekend flights in July on a web booking platform?
You can book weekend flights in July through various web booking platforms, including those that offer discounts for advance bookings.
Do you offer any discounts on flights to St Louis Lambert Airport?
Frontier Airlines and Alaska Airlines are offering discounts on flights to St Louis Lambert Airport, so it's worth checking their websites for deals.
Boise (BOI) to St Louis (STL): Airport Information
| Origin Airport | Boise Air Terminal/Gowen field, Boise, US |
| Destination Airport | Lambert St Louis International , St Louis, US |
| Distance | 1383 miles |
More Flight Options for Boise (BOI) and St Louis (STL)
Flights from Boise (BOI)
to Los Angeles (LAX)
Flights from Boise (BOI)
to Seattle (SEA)
Flights from Boise (BOI)
to Ontario (ONT)
Flights from Boise (BOI)
to Ontario (ONT)
Flights from Boise (BOI)
to Orlando (MCO)
Flights from Boise (BOI)
to Manila (MNL)
Flights from Boise (BOI)
to Tampa (TPA)
Flights from Boise (BOI)
to New York (JFK)
Flights from Boise (BOI)
to Nashville (BNA)
Flights from Boise (BOI)
to Las Vegas (LAS)
Flights from Boise (BOI)
to Portland (PDX)
Flights from Boise (BOI)
to Phoenix (PHX)
Flights from Boise (BOI)
to Minneapolis (MSP)
Flights from Boise (BOI)
to St Louis (STL)
Flights from Boise (BOI)
to Chicago (ORD)
Flights from Boise (BOI)
to Honolulu (HNL)
Flights from Boise (BOI)
to New York (LGA)
Flights from Boston (BOS)
to St Louis (STL)
Flights from Fort Lauderdale (FLL)
to St Louis (STL)
Flights from Houston (HOU)
to St Louis (STL)
Flights from Charlotte (CLT)
to St Louis (STL)
Flights from Orlando (MCO)
to St Louis (STL)
Flights from Denver (DEN)
to St Louis (STL)
Flights from Oklahoma City (OKC)
to St Louis (STL)
Flights from Atlanta (ATL)
to St Louis (STL)
Flights from Washington (DCA)
to St Louis (STL)
Flights from Austin (AUS)
to St Louis (STL)
Flights from Dallas (DFW)
to St Louis (STL)
Flights from Phoenix (PHX)
to St Louis (STL)
Flights from Fort Myers (RSW)
to St Louis (STL)
Flights from New Orleans (MSY)
to St Louis (STL)
Flights from New York (LGA)
to St Louis (STL)
Flights from Houston (IAH)
to St Louis (STL)
Flights from Sacramento (SMF)
to St Louis (STL)
Flights from Detroit (DTW)
to St Louis (STL)
Flights from Knoxville (TYS)
to St Louis (STL)
Flights from Los Angeles (LAX)
to St Louis (STL)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to Idaho (US-ID)
Cheap flights to Missouri (US-MO)
Cheap flights from North America (NA)
Cheap flights from United States (US)
Cheap flights from Missouri (US-MO)
Cheap flights from Idaho (US-ID)
Flights to Boise (BOI)
Flights to St Louis (STL)
Flights from Boise (BOI)
Flights from St Louis (STL)
Why Fareleaders for BOI to STL Plane Tickets
New Deals Everyday
Get the best prices on BOI to STL flights—we update our fares daily so you never miss a saving.
No Service Fees
Compare hundreds of Boise to St Louis flights and secure the best deals—we never add any service fees.