Skip to content

Get United's best fares today on flights from Boise to Saint Louis from *

Select journey type

Enter to select travel class and passengers

Book with confidence with United

Low fare calendar for flights from Boise (BOI) to Saint Louis (STL)

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
1
2
3
4
5
6
from
$920*
Viewed:14 hours ago
Economy
Return:06/13/20
7
from
$904*
Viewed:2 hours ago
Economy
Return:06/14/20
8
from
$1,046*
Viewed:2 hours ago
Economy
Return:06/15/20
9
from
$1,739*
Viewed:2 hours ago
Economy
Return:06/16/20
10
from
$913*
Viewed:2 hours ago
Economy
Return:06/17/20
11
from
$1,100*
Viewed:2 hours ago
Economy
Return:06/25/20
12
from
$911*
Viewed:2 hours ago
Economy
Return:06/26/20
13
from
$905*
Viewed:2 hours ago
Economy
Return:06/20/20
14
from
$1,020*
Viewed:14 hours ago
Economy
Return:06/21/20
15
from
$1,399*
Viewed:2 hours ago
Economy
Return:06/29/20
16
from
$1,401*
Viewed:14 hours ago
Economy
Return:06/23/20
17
from
$1,065*
Viewed:14 hours ago
Economy
Return:06/24/20
18
from
$1,057*
Viewed:2 hours ago
Economy
Return:06/25/20
19
from
$904*
Viewed:14 hours ago
Economy
Return:07/03/20
20
from
$678*
Viewed:2 hours ago
Economy
Return:07/04/20
21
from
$997*
Viewed:2 hours ago
Economy
Return:07/05/20
22
from
$1,114*
Viewed:2 hours ago
Economy
Return:07/06/20
23
from
$666*
Viewed:14 hours ago
Economy
Return:07/07/20
24
from
$1,550*
Viewed:2 hours ago
Economy
Return:07/08/20
25
from
$1,062*
Viewed:14 hours ago
Economy
Return:07/09/20
26
from
$688*
Viewed:2 hours ago
Economy
Return:07/10/20
27
from
$577*
Viewed:2 hours ago
Economy
Return:07/11/20
28
from
$739*
Viewed:2 hours ago
Economy
Return:07/12/20
29
from
$1,610*
Viewed:2 hours ago
Economy
Return:07/06/20
30
from
$1,600*
Viewed:2 hours ago
Economy
Return:07/07/20
from
$863*
Viewed:2 hours ago
Economy
Return:07/08/20
from
$1,117*
Viewed:2 hours ago
Economy
Return:07/09/20
from
$532*
Viewed:2 hours ago
Economy
Return:07/10/20
from
$1,279*
Viewed:14 hours ago
Economy
Return:07/18/20
Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Looking for additional flights from Boise to Saint Louis?

FromToDatesFare TypePrice

Boise (BOI)

Saint Louis (STL)

Depart: 08/12/20

Return: 08/26/20

Roundtrip
from
$216*
Viewed:13hoursago

Boise (BOI)

Saint Louis (STL)

Depart: 08/18/20

Return: 09/01/20

Roundtrip
from
$216*
Viewed:13hoursago

Boise (BOI)

Saint Louis (STL)

Depart: 08/25/20

Return: 09/08/20

Roundtrip
from
$216*
Viewed:13hoursago

Boise (BOI)

Saint Louis (STL)

Depart: 09/01/20

Return: 09/15/20

Roundtrip
from
$216*
Viewed:13hoursago

Boise (BOI)

Saint Louis (STL)

Depart: 08/19/20

Return: 08/26/20

Roundtrip
from
$216*
Viewed:13hoursago

Boise (BOI)

Saint Louis (STL)

Depart: 08/25/20

Return: 09/01/20

Roundtrip
from
$216*
Viewed:13hoursago

Boise (BOI)

Saint Louis (STL)

Depart: 08/26/20

Return: 09/02/20

Roundtrip
from
$216*
Viewed:13hoursago

Boise (BOI)

Saint Louis (STL)

Depart: 07/28/20

Return: 08/04/20

Roundtrip
from
$216*
Viewed:13hoursago

Boise (BOI)

Saint Louis (STL)

Depart: 08/04/20

Return: 08/11/20

Roundtrip
from
$216*
Viewed:13hoursago

Boise (BOI)

Saint Louis (STL)

Depart: 07/29/20

Return: 08/12/20

Roundtrip
from
$216*
Viewed:13hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Saint Louis

Friday moderate rain
84°F 06/05/20
Saturday light rain
87°F 06/06/20
Sunday sky is clear
83°F 06/07/20
Monday light rain
82°F 06/08/20
Tuesday moderate rain
78°F 06/09/20
Wednesday sky is clear
82°F 06/10/20
Thursday sky is clear
84°F 06/11/20
Powered by: OpenWeatherMap.org