Cheap flights from Boise to Lambert-St Louis Intl (BOI - STL)

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The best prices from Boise to Lambert-St Louis Intl are usually found in August or June, booked 37 days in advance, depart on a Sunday or Saturday and return on a Wednesday

How to find the cheapest flight from
Boise (BOI) to Lambert-St Louis Intl (STL)

BOI - STL
Price
$205 - $454
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

December

High demand for flights, 32% potential price rise

Cheapest in

August

Best time to find cheap flights, 34% potential price drop

Round-trip from

$205

From Boise to Lambert-St Louis Intl

One-way from

$122

One-way flight from Boise to Lambert-St Louis Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Boise to Lambert-St Louis Intl?

Sunday flights are generally found to be more expensive for flights from Boise to Lambert-St Louis Intl. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Lambert-St Louis Intl.

How far in advance should I book a flight from Boise to Lambert-St Louis Intl?

Travelers have found it’s best to book a flight 61 days in advance to save up to 33% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Boise to Lambert-St Louis Intl 1-2 weeks in advance for as low as $143, or $179 for flights within the next 24 hours.

What is the cheapest month to fly from Boise to Lambert-St Louis Intl?

Flights from Boise to Lambert-St Louis Intl lean towards being more expensive in July. Prices are generally better when you fly from Boise to Lambert-St Louis Intl in June, with the cheapest ticket starting at $77.

When is the cheapest time to fly from Boise to Lambert-St Louis Intl (BOI - STL)?

When flying from Boise to Lambert-St Louis Intl, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 49% versus a flight at noon.

Cheap flights from Boise to Lambert-St Louis Intl in February, March 2021

28 Mar - 31 Mar
$227pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
28 Mar - 31 Mar
$230pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
28 Mar - 31 Mar
$259pp
BOI
Boise Air Term. Gowen Fld
United Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld

Boise to Lambert-St Louis Intl 2021 flight deals

8 Apr - 11 Apr
$219pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
8 Apr - 11 Apr
$223pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
28 Mar - 31 Mar
$227pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BOI
Boise Air Term. Gowen Fld

Last minute flights from Boise to Lambert-St Louis Intl

3 Mar - 7 Mar
$383pp
BOI
Boise Air Term. Gowen Fld
United Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
3 Mar - 7 Mar
$387pp
BOI
Boise Air Term. Gowen Fld
Delta
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
BOI
Boise Air Term. Gowen Fld
3 Mar - 7 Mar
$391pp
BOI
Boise Air Term. Gowen Fld
Delta
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
   
2 STOPS
BOI
Boise Air Term. Gowen Fld

One-way flights to Lambert-St Louis Intl from Boise

6:39 pm - 1:03 am
Multiple Airlines
2 Stops
29h 24m
BOI - STL
Multiple Airlines
$122
Kiwi.com
10:12 am - 7:37 pm
Frontier
1 Stop
8h 25m
BOI - STL
Frontier
$153
FlightNetwork
1:41 am - 4:41 am
Delta
3 Stops
26h 00m
BOI - STL
Delta
$222
Delta

Related info for your journey

Flight FAQs

From Boise to Lambert-St Louis Intl

Are flight prices decreasing from Boise to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Boise and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Boise Air Term. Gowen Fld to Lambert-St Louis to control the spread of COVID-19?

Alaska Airlines and Delta are some of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Boise Air Term. Gowen Fld to Lambert-St Louis are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Boise Air Term. Gowen Fld to Lambert-St Louis have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Delta, United Airlines, and American Airlines flying from Boise Air Term. Gowen Fld to Lambert-St Louis have implemented new flexible cancellation policies.

Can I find flights from Boise to Lambert-St Louis Intl for under $300 on Cheapflights?

Yes, there are multiple flights from Boise to Lambert-St Louis Intl for under $300. The cheapest flight booked recently is on Multiple Airlines for just $219, but on average you can expect to pay $270.

Are there nonstop flights from Boise to Lambert-St Louis Intl for under $200 on Cheapflights?

There are no nonstop flights from Boise to Lambert-St Louis Intl, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Boise to Lambert-St Louis Intl for under $400?

There are currently 4+ open flights from Boise to Lambert-St Louis Intl within the next 7 days for less than $400.

Does it rain more in Boise or St Louis?

Boise will have less rainfall in 2 compared to St Louis over the next 12 days.

Is Boise weather warmer or cooler than St Louis?

With an average temperature of 93 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in St Louis are colder than in Boise.

How long is the flight from Boise to Lambert-St Louis Intl?

Departing from Boise to Lambert-St Louis Intl will take you 5h. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Boise to Lambert-St Louis Intl round-trip?

United Airlines, at $259, was found to be the cheapest airline from Boise to Lambert-St Louis Intl.Alternate airlines to your destination round-trip include Delta and Alaska Airlines. Users have found that United Airlines is 16% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Boise to Lambert-St Louis Intl one-way?

$130 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and Frontier, with prices starting from $134 and $153, respectively.

Alternative routes for Boise to Lambert-St Louis Intl

Destination information for Lambert-St Louis Intl

Average temperature for February in Lambert-St Louis Intl
48.2 °F
Avg rainfall for February in Lambert-St Louis Intl
2.2 ″

Airports servicing Boise

Airports servicing St. Louis

Top 4 airlines flying from Boise to Lambert-St Louis Intl

Airline Cheapest Average Flexibility On-time COVID-19 safety
Alaska Airlines
$138 $285 No cancel fee 75%
American Airlines
$169 $360 No cancel fee 71%
United Airlines
$138 $380 No cancel fee 69%
Delta
$142 $410 No cancel fee N/A