Cheap flights from Washington, D.C. to Idaho Falls from £175

Cheap flights from Washington, D.C. to Idaho Falls from £175

Trusted by millions

Kiwi.com Guarantee for stress-free travel

One search, all the best deals

Explore flight deals to Idaho Falls

1 stop
Tue, May 5
Washington, D.C. IADIdaho Falls IDA
£175
Search
1 stop
Tue, May 5
Washington, D.C. BWIIdaho Falls IDA
£223
Search
1 stop
Tue, May 5
Washington, D.C. IADIdaho Falls IDA
£224
Search
1 stop
Tue, May 5
Washington, D.C. DCAIdaho Falls IDA
£224
Search
1 stop
Tue, May 5
Washington, D.C. IADIdaho Falls IDA
£224
Search
1 stop
Tue, May 5
Washington, D.C. IADIdaho Falls IDA
£239
Search

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

2 stops
Thu, May 7 – Tue, May 12
Washington, D.C. BWIIdaho Falls IDA
£219
Search
2 stops
Thu, May 7 – Tue, May 12
Washington, D.C. BWIIdaho Falls IDA
£230
Search
2 stops
Thu, May 7 – Tue, May 12
Washington, D.C. DCAIdaho Falls IDA
£244
Search
2 stops
Thu, May 7 – Tue, May 12
Washington, D.C. BWIIdaho Falls IDA
£263
Search
2 stops
Thu, May 7 – Tue, May 12
Washington, D.C. BWIIdaho Falls IDA
£271
Search
1 stop
Tue, May 5 – Fri, May 8
Washington, D.C. DCAIdaho Falls IDA
£398
Search

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

How much do flights to Idaho Falls cost?

Cheapest one-way trip

£175

Cheapest round-trip

£219

Average round-trip

£440

Includes rare itinerary

Travel hack

Most popular airline

United Airlines

Key info about flying to Idaho Falls

Depart from
Washington Dulles International
Arrive to
Idaho Falls Regional
Average flights per week
130
Flight distance
Worth visiting
The Rocky Mountains - Yellowstone National Park

Check-in for a flight from Washington, D.C. to Idaho Falls

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Allegiant AirAAYG4No
Frontier AirlinesFFTF9No
Alaska AirlinesASAASNo
Spirit AirlinesNKSNKNo

Online check-in is not available for these airlines.

Weather in Idaho Falls

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January-1°C-10°C
February0°C-7°C
March6°C-3°C
April12°C0°C
May18°C4°C
June24°C9°C
July31°C13°C
August29°C13°C
September24°C9°C
October14°C2°C
November5°C-3°C
December-1°C-8°C
Hottest Month
31°C
July
Coldest month
-10°C
January
Sunny days
279
days per year
Snow days
20
days per year

14 day forecast

Friday
10 Apr
24°C2°C
17 Apr
7°C-6°C
Saturday
11 Apr
18°C5°C
18 Apr
11°C-2°C
Sunday
12 Apr
88%
16°C1°C
19 Apr
15°C1°C
Monday
13 Apr
12°C0°C
20 Apr
19°C3°C
Tuesday
14 Apr
13°C3°C
21 Apr
86%
17°C6°C
Wednesday
15 Apr
77%
5°C3°C
22 Apr
89%
10°C2°C
Thursday
16 Apr
75%
4°C0°C
23 Apr
10°C0°C
Travelers usually depart from Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National when they travel from Washington, D.C. to Idaho Falls. The most popular airlines for this route are United Airlines, Allegiant Air, Frontier Airlines, Alaska Airlines, and Spirit Airlines. Washington, D.C. and Idaho Falls have 130 direct flights per week. When you arrive at Idaho Falls, consider visiting The Rocky Mountains, and Yellowstone National Park.

Frequently asked questions

What are the most popular routes to and from Washington, D.C.?
Travelers frequently search for route combinations, such as Washington, D.C. and London, Orlando, Atlanta, Edinburgh, Los Angeles, Tampa, Mexico City, Miami, San Salvador, San Juan, Dallas, Istanbul, Denver, New Delhi, Guadalajara, Fort Lauderdale, Kathmandu, Manchester, Paris, Toronto.
What are the most popular routes to and from Idaho Falls?
Travelers frequently search for route combinations, such as Idaho Falls and Santa Ana, Phoenix, Portland, Las Vegas, Seattle, Oakland, San Francisco, Calgary, Mérida, Frankfurt, Kharkiv, Dubai, Port Moresby, Eugene, New Delhi, Surat, Odessa, Dayton, Lusaka, Prague.
Which airports are there in Washington, D.C.?
Washington, D.C. is mainly served by Washington Dulles International. But there are other airports nearby, including Baltimore–Washington International, Ronald Reagan Washington National.
What airports are near Washington, D.C.?
The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Atlantic City International, Richmond International, Lehigh Valley International, Harrisburg International, Trenton–Mercer, Salisbury–Ocean City–Wicomico Regional, Lancaster, Hagerstown Regional.
What airports are near Idaho Falls?
The main airport in Idaho Falls is Idaho Falls Regional. It is also served by Idaho Falls Regional, Magic Valley Regional, Jackson Hole, Friedman Memorial, Yellowstone, Pocatello Regional.
Which airlines fly between Washington, D.C. and Idaho Falls?
Currently, you can fly between Washington, D.C. and Idaho Falls with United Airlines, Allegiant Air, Frontier Airlines, Alaska Airlines, Spirit Airlines.
When’s the best time to travel between Washington, D.C. and Idaho Falls?
If you don’t have specific dates for your trip between Washington, D.C. and Idaho Falls, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Washington, D.C. and Idaho Falls?
Traveling between Washington, D.C. and Idaho Falls, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Washington, D.C.?
There are a number of airports in and around Washington, D.C.. The main one is Washington Dulles International and other nearby airports include Philadelphia International, Norfolk International, Atlantic City International, Richmond International, Lehigh Valley International, Harrisburg International, Trenton–Mercer, Salisbury–Ocean City–Wicomico Regional, Lancaster, Hagerstown Regional
How many airports are there near Idaho Falls?
What time do nonstop (direct) flights between Washington, D.C. and Idaho Falls depart?
What time do nonstop (direct) flights between Washington, D.C. and Idaho Falls arrive?
What time do flights between Washington, D.C. and Idaho Falls depart?
What time do flights between Washington, D.C. and Idaho Falls arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

Search flightsSearch direct flights

Explore alternative trips

Flights from Washington, D.C.

Flights to Idaho Falls

Popular routes

The nearest countries with flights to Idaho Falls

Here is a list of countries people are flying from

Other destination countries from Washington, D.C.

Here is a list of countries people are flying to

Airports near Washington, D.C.

Airports near Idaho Falls

Download our app

Start your next adventure now. Download our app and explore cheap flights effortlessly!

Search flights
Find the best connection from Washington, D.C. to Idaho Falls

Search, compare, and book flights to get there.

Search flights