Skip to content

Get United's best fares today on flights from Denver to Idaho Falls from *

Select journey type

Enter to select travel class and passengers

Low fare calendar for flights from Denver (DEN) to Idaho Falls (IDA)

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
1
2
3
4
5
6
7
8
9
10
from
$450*
Viewed:a day ago
Economy
Return:12/24/19
11
from
$450*
Viewed:3 hours ago
Economy
Return:12/25/19
12
from
$450*
Viewed:3 hours ago
Economy
Return:12/26/19
13
from
$450*
Viewed:3 hours ago
Economy
Return:12/27/19
14
from
$450*
Viewed:3 hours ago
Economy
Return:12/28/19
15
from
$491*
Viewed:3 hours ago
Economy
Return:12/29/19
16
from
$380*
Viewed:3 hours ago
Economy
Return:12/23/19
17
from
$374*
Viewed:3 hours ago
Economy
Return:12/31/19
18
from
$374*
Viewed:3 hours ago
Economy
Return:01/01/20
19
from
$374*
Viewed:3 hours ago
Economy
Return:01/02/20
20
from
$380*
Viewed:3 hours ago
Economy
Return:12/27/19
21
from
$450*
Viewed:3 hours ago
Economy
Return:12/28/19
22
from
$421*
Viewed:3 hours ago
Economy
Return:12/29/19
23
from
$421*
Viewed:3 hours ago
Economy
Return:01/06/20
24
from
$444*
Viewed:3 hours ago
Economy
Return:01/07/20
25
from
$333*
Viewed:3 hours ago
Economy
Return:01/01/20
26
from
$333*
Viewed:3 hours ago
Economy
Return:01/09/20
27
from
$333*
Viewed:3 hours ago
Economy
Return:01/10/20
28
from
$333*
Viewed:3 hours ago
Economy
Return:01/11/20
29
from
$333*
Viewed:3 hours ago
Economy
Return:01/12/20
30
from
$327*
Viewed:3 hours ago
Economy
Return:01/13/20
31
from
$327*
Viewed:3 hours ago
Economy
Return:01/14/20
from
$327*
Viewed:3 hours ago
Economy
Return:01/15/20
from
$327*
Viewed:3 hours ago
Economy
Return:01/16/20
from
$327*
Viewed:3 hours ago
Economy
Return:01/10/20
from
$412*
Viewed:3 hours ago
Economy
Return:01/11/20
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 Denver to Idaho Falls?

FromToDatesFare TypePrice

Denver (DEN)

Idaho Falls (IDA)

Depart: 12/14/19

Return: 12/18/19

Roundtrip
from
$715*
Viewed:8hoursago

Denver (DEN)

Idaho Falls (IDA)

Depart: 02/01/20

Return: 02/08/20

Roundtrip
from
$327*
Viewed:3hoursago

Denver (DEN)

Idaho Falls (IDA)

Depart: 02/05/20

Return: 02/12/20

Roundtrip
from
$327*
Viewed:3hoursago

Denver (DEN)

Idaho Falls (IDA)

Depart: 02/06/20

Return: 02/13/20

Roundtrip
from
$412*
Viewed:3hoursago

Denver (DEN)

Idaho Falls (IDA)

Depart: 02/07/20

Return: 02/14/20

Roundtrip
from
$327*
Viewed:3hoursago

Denver (DEN)

Idaho Falls (IDA)

Depart: 03/09/20

Return: 03/16/20

Roundtrip
from
$327*
Viewed:3hoursago

Denver (DEN)

Idaho Falls (IDA)

Depart: 01/30/20

Return: 02/06/20

Roundtrip
from
$327*
Viewed:3hoursago

Denver (DEN)

Idaho Falls (IDA)

Depart: 01/28/20

Return: 02/04/20

Roundtrip
from
$327*
Viewed:3hoursago

Denver (DEN)

Idaho Falls (IDA)

Depart: 01/25/20

Return: 02/01/20

Roundtrip
from
$327*
Viewed:3hoursago

Denver (DEN)

Idaho Falls (IDA)

Depart: 01/31/20

Return: 02/07/20

Roundtrip
from
$327*
Viewed:3hoursago

*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 Idaho Falls

Tuesday light snow
28°F 12/10/19
Wednesday snow
29°F 12/11/19
Thursday snow
32°F 12/12/19
Friday snow
30°F 12/13/19
Saturday snow
24°F 12/14/19
Sunday light snow
17°F 12/15/19
Monday snow
12°F 12/16/19
Powered by: OpenWeatherMap.org