IDA - DCA

$139 Find Cheap Flights from Idaho Falls to Reagan Washington National Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Idaho Falls to Washington, D.C. departing on 6/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Reagan-National Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Idaho Falls to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Idaho Falls to Washington, D.C., as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$349
American Airlines
Mi 9/16Mi 9/23
IDA - DCA • 1 stop
Cheapest one-way
$139
Multiple Airlines
Mo 6/15
IDA - DCA • 2 stops
Top airlines
Cheapest • from $349 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Idaho Falls and Washington, D.C.. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $329 (round-trip)
Shortest trip • 6h 02m (one-way)
Insights
Insights
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Washington, D.C.!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Idaho Falls to Washington, D.C. (IDA-DCA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho Falls to Washington, D.C. that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Idaho Falls to Washington, D.C.

Mi, Sep 16 - Mi, Sep 23
American Airlines Logo
1:44 pm - 11:59 pm
IDA
-
DCA
8h 15m
1 stop
American Airlines Logo
7:30 am - 1:44 pm
DCA
-
IDA
8h 14m
1 stop
$349American Airlines
Fr, Mai 1 - Di, Mai 5
American Airlines Logo
7:48 am - 10:56 pm
IDA
-
DCA
13h 08m
2 stops
American Airlines Logo
5:15 pm - 11:39 pm
DCA
-
IDA
8h 24m
1 stop
$404American Airlines
Fr, Mai 1 - Di, Mai 5
American Airlines Logo
7:48 am - 10:56 pm
IDA
-
DCA
13h 08m
2 stops
American Airlines Logo
1:45 pm - 11:39 pm
DCA
-
IDA
11h 54m
2 stops
$409American Airlines
Di, Sep 15 - Di, Sep 22
American Airlines Logo
12:12 pm - 11:58 pm
IDA
-
DCA
9h 46m
1 stop
American Airlines Logo
5:00 am - 11:32 am
DCA
-
IDA
8h 32m
1 stop
$410American Airlines
Di, Mai 19 - Mi, Mai 27
Alaska Airlines Logo
4:03 pm - 4:00 pm
IDA
-
DCA
21h 57m
1 stop
Alaska Airlines Logo
5:19 pm - 1:17 pm
DCA
-
IDA
21h 58m
1 stop
$449Alaska Airlines
Fr, Mai 1 - Di, Mai 5
American Airlines Logo
1:43 pm - 11:59 pm
IDA
-
DCA
8h 16m
1 stop
American Airlines Logo
5:15 pm - 11:39 pm
DCA
-
IDA
8h 24m
1 stop
$459American Airlines
Di, Jul 7 - Di, Jul 14
American Airlines Logo
12:29 pm - 8:59 pm
IDA
-
DCA
6h 30m
1 stop
American Airlines Logo
5:00 am - 11:59 am
DCA
-
IDA
8h 59m
1 stop
$472American Airlines
Do, Jul 16 - Di, Jul 21
American Airlines Logo
12:29 pm - 8:59 pm
IDA
-
DCA
6h 30m
1 stop
American Airlines Logo
5:00 am - 11:59 am
DCA
-
IDA
8h 59m
1 stop
$491American Airlines
Do, Jul 9 - Di, Jul 14
Delta Logo
7:00 pm - 8:36 am
IDA
-
DCA
11h 36m
2 stops
Delta Logo
6:00 am - 2:41 pm
DCA
-
IDA
10h 41m
2 stops
$505Delta
Do, Jun 4 - So, Jun 7
Alaska Airlines Logo
4:03 pm - 4:00 pm
IDA
-
DCA
21h 57m
1 stop
Alaska Airlines Logo
5:19 pm - 1:17 pm
DCA
-
IDA
21h 58m
1 stop
$509Alaska Airlines
Booking Insights

KAYAK's insights & trends for Idaho Falls to Washington, D.C. flights

Get data-powered insights and trends into flights from Idaho Falls to Washington, D.C. to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Idaho Falls to Reagan Washington National Airport?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Idaho Falls to Reagan Washington National Airport were found on American Airlines ($349) and Delta ($404).

Good to know

Cheapest flight$139
Flight from Idaho Falls to Reagan Washington National Airport

When to book flights from Idaho Falls to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Idaho Falls to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Idaho Falls to Reagan Washington National Airport flights

  • What is the cheapest flight from Idaho Falls to Washington, D.C. Reagan-National Airport?

    In the last 3 days, the lowest price for a flight from Idaho Falls to Washington, D.C. Reagan-National Airport was $139 for a one-way ticket and $349 for a round-trip.

  • Do I need a passport to fly between Idaho Falls and Reagan Washington National Airport?

    A passport is not required to fly from Idaho Falls to Reagan Washington National Airport.

  • Which aircraft models fly most regularly from Idaho Falls to Reagan Washington National Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Idaho Falls to Reagan Washington National Airport?

    SkyTeam, and oneworld are the airline alliances operating flights between Idaho Falls and Reagan Washington National Airport, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Idaho Falls to Washington, D.C., Delta or American Airlines?

    The two airlines most popular with KAYAK users for flights from Idaho Falls to Washington, D.C. are Delta and American Airlines. With an average price for the route of $552 and an overall rating of 7.9, Delta is the most popular choice. American Airlines is also a great choice for the route, with an average price of $934 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Idaho Falls to Reagan Washington National Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho Falls to Reagan Washington National Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho Falls to Reagan Washington National Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reagan Washington National Airport from Idaho Falls is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho Falls to Reagan Washington National Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Reagan Washington National Airport with an airline and back to Idaho Falls with another airline. Booking your flights between Idaho Falls and DCA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho Falls to Reagan Washington National Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Reagan Washington National Airport from Idaho Falls up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Idaho Falls to Washington, D.C.

 
See real verified KAYAK customer reviews for airlines flying from Idaho Falls to Washington, D.C.. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Idaho Falls to Washington, D.C.? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8422 reviews
8.1Boarding
7.2Food
8.5Crew
7.8Entertainment
7.9Comfort
Airline reviews

Everything went smoothly, although the usual gripes about airline travel were still present: the boarding process is inefficient, the snack selection is limited, and so on. Since there was extra space on the flight, the gate agent rearranged many people's seats to put people on the aisles and windows, leaving the middle seats empty, as much as possible, which was pretty great.

10.0 ExcellentDavid, Apr 2026
DTW - SFO
Read more Delta reviews

Everything went smoothly, although the usual gripes about airline travel were still present: the boarding process is inefficient, the snack selection is limited, and so on. Since there was extra space on the flight, the gate agent rearranged many people's seats to put people on the aisles and windows, leaving the middle seats empty, as much as possible, which was pretty great.

Landed without a gate ready. Plane is extremely old and dirty.

All the amenities was wonderful, if they could keep their prices that low. I'd fly with them all the time.

Very old plane with no inflight entertainment. I purchased the internet pass and it was nearly unusable.

My tray was broken so i had no place to work or eat except my lap. Flight attendant said I would get an email with some credit or miles, it was a complete waste of time as I could only function at about 20% of normal. I have not received anything yet.

Short trip, no food and therefore no expectation for much interaction with staff who were pleasant and professional. My critique is on comfort of the seats. Exit rows and comfort seats do not provide enough personal space for 3 side-by-side seats, especially when in the middle row. Some passengers are not considerate of the middle seat and there should be signs that state something to the effect of: "please consider giving middle seats use of the armrests."

My flight yesterday evening was delayed 3.5 hours with no water or food service. Poor experience

Transparency from pilots, quick boarding and exiting the plane, staff greeted to each and everyone,

Didn't like sitting on the waiting pad for 30 minutes right after departing the gate. If you're going to do that, just don't board so people can still get up and walk around in the terminal. My luggage was damaged by the baggage handlers.

Pilots lied about waiting on “paperwork”. Sat in the plane for over an hour, waiting on some papers to be printed according to the pilot and then all of a sudden he says good news maintenance is finally on their way. Maybe they can fix it before we get our paperwork. Ended up missing my connection in LaGuardia and as a result, had a fly home to Lexington instead of the Louisville airport. Then paid $100 to uber to Louisville since it was midnight by the time I got in. I wish they would just be transparent with passengers sometimes and not try to beat around the bush on why things are delayed.

It was great. Smooth flight, comfortable, left on time and landed on time.

Horrible experience upon landing. Probably more due to DCA utter incompetence than AA.

Easy boarding. Rows are smaller but that may be an older and bigger me now :)

Flight has been delayed every time I've ever taken it. Seats uncomfortable. Children behind me yelling the entire flight. Some of this is out of their control but overall just consistently not a great experience.

Poor communication ahead of time about flight delays and old planes/other equipment.

Never going to fly your airline again if it can be avoided.

Not to have gotten delayed by 2+ hours for the fourth straight American flight. They're the worst.

Other than nearly three hour delay for maintenance issues, everything went smooth

Snow delayed boarding several times, which I understand happens. Issue I had was that after we did board, pilot told us we were going to roll out to be de-iced, then on our way. We were de-iced once, taxied to the tarmac and then stopped. Sat for another 30 minutes or so, the another de-icing. Then we rolled out to a parking spot, only to sit for another hour due to a traffic stop in DCA, which I'm confident they knew would happen before we boarded. Pilot gave no updates other than we had to hold, attendants did speak to the crew, but when asked, said the pilot would be updating us. We on the ground in the plane waiting for over 2 hours. They did communicate that bathrooms would be open, but no other news until we left. Would have been better to be up front about status.

Flight was delayed. Not much information on when the flight would take off. Eventually we were told it was maintenance. App was not giving updates.

Everything you need to know for your flight from Idaho Falls to Washington, D.C.

Information on your arrival and departure airports