Cheap flights from Washington, D.C. to Idaho from $98
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Idaho departing on 5/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Washington, D.C. to Idaho
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Frontier flights from Washington, D.C. to Idaho
Our best Frontier deals on Washington, D.C. to Idaho flight tickets
American Airlines flights from Washington, D.C. to Idaho
Our best American Airlines deals on Washington, D.C. to Idaho flight tickets
See travel insights to Idaho from
How to get the cheapest flight ticket from Washington, D.C. to Idaho
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Idaho?
In general, April is the cheapest month to fly from Washington, D.C. to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $300. If you don’t want to visit Idaho in April, then you should wait until February to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $346.
What is the cheapest day to depart on your flight to Idaho?
Our data shows that Wednesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $434. On the other hand, Monday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $711.
What is the cheapest time of day to depart on your flight to Idaho?
According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from Washington, D.C. to Idaho at noon for as low as $431. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Idaho, so prices are often more expensive at around $671 per ticket.
How far in advance should I book a flight to Idaho?
You are more likely to see cheaper flights to Idaho from Washington, D.C. when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $506 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Washington, D.C. for as low as $337 on momondo.
What is the cheapest airline that flies from Washington, D.C. to Idaho?
Frontier, American Airlines, and Delta are the most popular carriers operating from Washington, D.C. to Idaho
What airlines fly to Idaho?
Delta, United Airlines and Southwest are the top three most popular airlines that fly to Idaho from Washington, D.C. according to our data. Delta is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 6 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.
How many flights depart from Washington, D.C. to Idaho on average per week?
As of April 2025, 1 flights take off from Washington, D.C. and land in Idaho each week. The most common flight departure day for this route is Wed, with 100% of weekly flights taking off on this day.
How long is the flight from Washington, D.C. to Idaho?
Flight times from Washington, D.C. to Idaho vary, but if you’re flying out of Baltimore and flying into Boise (one of the most popular routes), then the duration is 6h 53m on average. Another popular route from Washington, D.C. to Idaho is flying from Washington, D.C. to Boise, which will take roughly 7h 01m. Keep in mind that layovers or delays could extend your travel time.
Cheap Washington, D.C. to Idaho flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Idaho
When did momondo last update prices for flights from Washington, D.C. to Idaho?
Prices for flights from Washington, D.C. to Idaho were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Idaho?
The number of operators available for flights from Washington, D.C. to Idaho is 6 as of April 2025.
How old do you have to be to fly from Washington, D.C. to Idaho?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Washington, D.C. to Idaho
Compare and see reviews for airlines that fly from Washington, D.C. to Idaho with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $180 | Free Cancellation | Rating 6.3 7,940 reviews | |||
| PriceFrom $230 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $274 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $274 | Free Cancellation | Rating 8.0 9,918 reviews | |||
| PriceFrom $298 | Free Cancellation | Rating 7.4 8,685 reviews | |||
| PriceFrom $334 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Idaho?
Finding the right flight to Idaho from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.
Can I find flights from Washington, D.C. to Idaho with flexible booking policies on momondo?
Yes. All flights to Idaho from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Washington, D.C. to Idaho?
Once all potential Washington, D.C. to Idaho flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Washington, D.C. to Idaho right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Washington, D.C. to Idaho flights. All you need is a valid email address and we will do the rest; it is that quick and easy.