Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $415 (Delta) |
One-way from | $243 (United Airlines) |
Popular in | March |
Cheapest in | April |
Average price | $413 |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Idaho Falls
IAD - IDA
IADIDA
Washington, D.C. Dulles Intl
Wed 5/21
6:30 am-3:40 pm
1 stop11h 10m
Idaho Falls Fanning Field
Sun 5/25
6:00 am-5:15 pm
1 stop9h 15m
Washington, D.C.Idaho Falls
IAD - IDA
IADIDA
Washington, D.C. Dulles Intl
Tue 5/6
1:44 pm-10:56 pm
2 stops11h 12m
Idaho Falls Fanning Field
Sat 5/10
12:55 pm-11:53 pm
1 stop8h 58m
Washington, D.C.Idaho Falls
IAD - IDA
IADIDA
Washington, D.C. Dulles Intl
Tue 5/6
6:30 am-3:58 pm
1 stop11h 28m
Idaho Falls Fanning Field
Sat 5/10
6:00 am-8:43 pm
1 stop12h 43m
Washington, D.C.Idaho Falls
IAD - IDA
IADIDA
Washington, D.C. Dulles Intl
Thu 5/8
5:35 pm-10:45 pm
1 stop7h 10m
Idaho Falls Fanning Field
Sat 5/10
3:56 pm-5:22 am
1 stop11h 26m
Washington, D.C.Idaho Falls
IAD - IDA
IADIDA
Washington, D.C. Dulles Intl
Tue 4/22
6:18 am-12:29 pm
1 stop8h 11m
Idaho Falls Fanning Field
Mon 4/28
12:59 pm-10:42 pm
1 stop7h 43m
Washington, D.C.Idaho Falls
IAD - IDA
IADIDA
Washington, D.C. Dulles Intl
Sat 5/10
5:35 pm-10:45 pm
1 stop7h 10m
Washington, D.C.Idaho Falls
IAD - IDA
IADIDA
Washington, D.C. Dulles Intl
Sun 5/11
6:17 am-12:29 pm
1 stop8h 12m
Washington, D.C.Idaho Falls
IAD - IDA
IADIDA
Washington, D.C. Dulles Intl
Sun 5/11
6:59 pm-10:36 pm
2 stops53h 37m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars |
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Idaho Falls (average of $380). Flying from Washington, D.C. Dulles Intl Airport to Idaho Falls in July is currently the most expensive (average of $628). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Idaho Falls is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 7% on airfare.
In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.
If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
Food
Entertainment
Comfort
Crew
Boarding
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Food
Entertainment
Comfort
Crew
Boarding
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Food
Entertainment
Comfort
Crew
Boarding
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Food
Entertainment
Comfort
Crew
Boarding
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Food
Entertainment
Comfort
Crew
Boarding
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Food
Entertainment
Comfort
Crew
Boarding
Overall
Reviews
Anonymous,Apr 2025
LAS - STS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$494 | Average$780 | FlexibilityNo cancel fee | On-time69% |