Cheap flights from Denver to Idaho Falls (DEN - IDA) from $167

This is the cheapest one-way flight price, found on 9/26. Prices may vary by date and flight preferences.
DEN — IDA
Oct 3 — Oct 101

The best prices from Denver Intl to Idaho Falls Fanning Field are usually found in October or August, booked 30 days in advance, depart on a Wednesday or Monday and return on a Monday

How to find the cheapest flight from Denver (DEN) to Idaho Falls (IDA)

All the information you need to plan the best DEN to IDA flight in 2023: compare Denver to Idaho Falls flight prices with the expected peak season, weather and rainfall in Idaho Falls.

Popular in

June

Cheapest in

October

Round-trip from

$457

One-way from

$213
High demand for flights, 34% potential price rise
Best time to find cheap flights, 40% potential price drop
From Denver Intl to Idaho Falls Fanning Field
One-way flight from Denver Intl to Idaho Falls Fanning Field

DEN - IDA

Price

$457 - $745

IDA

Temperature

23 - 69.8 °F

IDA

Rainfall

0.6 - 2 inches

What is the cheapest day to fly round-trip from Denver to Idaho Falls?

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 40% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Denver to Idaho Falls?

To save up to 44% on this flight, we recommend booking at least 29 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Denver to Idaho Falls from $392 1-2 weeks out and tickets from $458 for flights departing within the next 72 hours.

What is the cheapest month to fly from Denver to Idaho Falls?

October can be a great time to fly to Idaho Falls from Denver with a flight ticket averaging about $361. Cheapflights users have found deals in the month of October for as cheap as $177. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Denver to Idaho Falls (DEN - IDA)?

It’s typically best to fly out from Denver to Idaho Falls in the morning. Doing so could potentially save you 29% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap American Airlines flights from Denver to Idaho Falls

Check out some of the cheapest American Airlines flights we've come across from Denver to Idaho Falls. Come back soon if you're not finding the exact deal you're looking for.

Cheap Delta flights from Denver to Idaho Falls

Some of the lowest-priced Delta flights we've found at this time heading from Denver to Idaho Falls. Check back soon if you're not seeing flights that suit your needs.

Cheap Denver to Idaho Falls flights in September & October 2023

The best prices found for DEN to IDA flights for September, October
These are some of the most attractive deals on flights from Denver to Idaho Falls in 2023. Check back in a little while for more flight options.

Denver to Idaho Falls 2023 flight deals

Cheap flights to Idaho Falls from Denver found for this year
These are some of the most attractive deals on flights from Denver to Idaho Falls in 2023. Check back in a little while for more flight options.

Non-stop flights to Idaho Falls from Denver

Save time with Denver to Idaho Falls direct flight deals
To help reduce your travel time, choose from one of these non-stop flights from Denver to Idaho Falls. Search for alternative flights from Denver to Idaho Falls by utilizing the search form above.

Denver to Idaho Falls flights leaving soon

Late deals on return flights to Idaho Falls from Denver, departing today and this week
Have a look at some of the last-minute flights available departing from Denver to Idaho Falls. To prevent any unwanted surprises, users should verify their flight info before booking.

One-way flights to Idaho Falls from Denver

The cheapest one-way flights from Denver to Idaho Falls
Some of the best available deals we've found on one-way flights from Denver to Idaho Falls. Users needing a return flight from Denver to Idaho Falls should utilize the search form above.

Find flights from Denver to Idaho Falls within your budget

Use the slider to find flights from Denver to Idaho Falls that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$167 - $585

Route

Depart

Return

Price

Denver IntlIdaho Falls Fanning Field

DEN - IDA

DENIDA

Denver Intl

Tue 10/24

1 stop18h 47m

Idaho Falls Fanning Field

Tue 10/31

1 stop6h 13m

Denver IntlIdaho Falls Fanning Field

DEN - IDA

DENIDA

Denver Intl

Fri 3/1

Nonstop1h 32m

Idaho Falls Fanning Field

Tue 3/5

Nonstop1h 32m

Denver IntlIdaho Falls Fanning Field

DEN - IDA

DENIDA

Denver Intl

Thu 10/26

1 stop7h 23m

Idaho Falls Fanning Field

Thu 11/2

1 stop17h 30m

Denver IntlIdaho Falls Fanning Field

DEN - IDA

DENIDA

Denver Intl

Tue 10/24

Nonstop1h 45m

Idaho Falls Fanning Field

Tue 10/31

Nonstop1h 53m

Denver IntlIdaho Falls Fanning Field

DEN - IDA

DENIDA

Denver Intl

Thu 10/26

Nonstop1h 43m

Idaho Falls Fanning Field

Thu 11/2

Nonstop1h 53m

Denver IntlIdaho Falls Fanning Field

DEN - IDA

DENIDA

Denver Intl

Tue 10/24

2 stops18h 25m

Idaho Falls Fanning Field

Tue 10/31

1 stop7h 25m

Denver IntlIdaho Falls Fanning Field

DEN - IDA

DENIDA

Denver Intl

Thu 10/12

Nonstop1h 45m

Idaho Falls Fanning Field

Sun 10/15

Nonstop1h 41m

Denver IntlIdaho Falls Fanning Field

DEN - IDA

DENIDA

Denver Intl

Sat 11/18

1 stop4h 14m

Idaho Falls Fanning Field

Sat 11/25

1 stop3h 56m

Denver IntlIdaho Falls Fanning Field

DEN - IDA

DENIDA

Denver Intl

Mon 10/16

1 stop16h 47m

Idaho Falls Fanning Field

Wed 10/18

1 stop6h 47m

Flights are sorted by cheapest first

Deals found on 9/26

Reviews of airlines servicing Idaho Falls

Peruse reviews from past customers who have flown with American Airlines, Delta and United Airlines from Denver to Idaho Falls to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,394 reviews

Food

7.2

Overall

8.1

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Good flight, delayed only by an hour and a half.

Alaska Airlines
8.1
Very good
1,394 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Food

7.2

Overall

8.1

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Good flight, delayed only by an hour and a half.

Delta
7.9
Good
3,023 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Food

7.2

Overall

8.1

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Good flight, delayed only by an hour and a half.

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Food

7.2

Overall

8.1

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Good flight, delayed only by an hour and a half.

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Food

7.2

Overall

8.1

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

7.2

Reviews

1 / 10

Good flight, delayed only by an hour and a half.

Related info for your journey

Useful info, stats and facts about Denver to Idaho Falls flights.

What airports do I use to fly from Denver to Idaho Falls?

To fly from Denver to Idaho Falls, you need to book a flight from Denver Intl (DEN) to Fanning Field (IDA). Nonstop flights to Idaho Falls Fanning Field from Denver Intl take 1h 43m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from Denver Intl to Fanning Field offered by 2 different airlines.

Can I find flights from Denver to Idaho Falls for under $200 on Cheapflights?

Yes, there are multiple flights from Denver to Idaho Falls for under $200. The cheapest flight booked recently is on American Airlines for just $167, but on average you can expect to pay $346.

Are there nonstop flights from Denver to Idaho Falls for under $300 on Cheapflights?

Cheapflights has at least 11 direct flights from Denver to Idaho Falls under $300. A good price for a nonstop flight from Denver to Idaho Falls is less than $398.

Are there last-minute flights available from Denver to Idaho Falls for under $500?

There are currently 4+ open flights from Denver to Idaho Falls within the next 7 days for less than $500.

What are the cheapest airlines flying from Denver to Idaho Falls round-trip?

American Airlines, at $167, was found to be the cheapest airline from Denver to Idaho Falls.Alternate airlines to your destination round-trip include United Airlines and Delta. These flights start at 53% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Denver to Idaho Falls one-way?

$209 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $244 and $279, respectively.

What are the most reliable airlines from Denver to Idaho Falls?

Consider Mesa Airlines (100%), SkyWest Airlines (82%) or United Airlines (78%) when booking your flight. These represent the most reliable airlines when flying from Denver to Idaho Falls.

What are the cheapest flights from Denver to Idaho Falls?

While on average a flight from Denver to Idaho Falls is generally $311, our data shows the cheapest flight currently is $235. When looking at the most popular route, (Denver Intl - Idaho Falls Fanning Field), you can expect to pay $188 for that flight.

What does DEN to IDA mean?

DEN stands for Denver Intl Airport, while IDA stands for Idaho Falls Fanning Field Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

Alternative routes for Denver to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Lewistonfrom $158 pp
Denver to Boisefrom $185 pp

Top 2 airlines flying from Denver to Idaho Falls

The chart below displays the airlines Cheapflights users traveling from Denver to Idaho Falls choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$166Average$265FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$178Average$360FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Hourly flight availability from Denver to Idaho Falls

See what time of day planes typically take off from Denver to Idaho Falls
0%of flight departuresEarly morningMidnight to 6 am
35%of flight departuresMorning6 am to noon
20%of flight departuresAfternoonNoon to 6 pm
45%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Denver to Idaho Falls

See how many times per day planes take to the skies headed from Denver to Idaho Falls
Sunday2daily flights
Monday2daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday2daily flights
Friday2daily flights
Saturday2daily flights

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