Cheap flights from Idaho to District of Columbia from $89
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to District of Columbia departing on 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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One-way
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Cheap round-trip flights
KAYAK's recommended round-trip deals from the most popular airlines that fly from Idaho to District of Columbia.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Idaho to District of Columbia.
Cheap last minute flights
Planning a quick getaway from Idaho to District of Columbia? These are the last-minute flight deals available now.
Delta flights from Idaho to District of Columbia
Our best Delta deals on Idaho to District of Columbia flight tickets
Delta![Delta]()
Jul 17![Delta]()
Jul 25
GEG11:55 amSpokane
8h 34m
1 stop
IAD11:29 pmWashington, D.C. Dulles Intl
IAD6:40 pmWashington, D.C. Dulles Intl
7h 23m
1 stop
GEG11:03 pmSpokane
Delta![Delta]()
Aug 21![Delta]()
Sep 1
BOI11:30 pmBoise Air Term. Gowen Fld
7h 40m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
IAD6:40 pmWashington, D.C. Dulles Intl
6h 49m
1 stop
BOI11:29 pmBoise Air Term. Gowen Fld
Alaska Airlines flights from Idaho to District of Columbia
Our best Alaska Airlines deals on Idaho to District of Columbia flight tickets
Alaska Airlines![Alaska Airlines]()
May 7![Alaska Airlines]()
May 13
BOI1:00 pmBoise Air Term. Gowen Fld
8h 58m
1 stop
IAD11:58 pmWashington, D.C. Dulles Intl
IAD6:30 amWashington, D.C. Dulles Intl
9h 17m
1 stop
BOI1:47 pmBoise Air Term. Gowen Fld
Alaska Airlines![Alaska Airlines]()
Jul 15![Alaska Airlines]()
Jul 23
GEG7:44 pmSpokane
8h 43m
1 stop
IAD7:27 amWashington, D.C. Dulles Intl
IAD8:10 amWashington, D.C. Dulles Intl
10h 57m
1 stop
GEG4:07 pmSpokane
See travel insights to District of Columbia from
How to get the cheapest flight ticket from Idaho to District of Columbia
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
Prices
Airlines
Other information
What is the cheapest month to fly to District of Columbia?
In general, February is the cheapest month to fly from Idaho to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $361. If you don’t want to visit District of Columbia in February, then you should wait until April to fly from Idaho, when ticket prices are also cheap, with an average price of $374.
What is the cheapest day to depart on your flight to District of Columbia?
The cheapest day to depart on your flight to District of Columbia is on a Saturday when prices can be found for as low as $436. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Idaho because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $551.
What is the cheapest time of day to depart on your flight to District of Columbia?
Flying to District of Columbia from Idaho in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $433 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly at noon, with an average ticket price of $547. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to District of Columbia?
You are more likely to see cheaper flights to District of Columbia from Idaho when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $523 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Idaho for as low as $358 on momondo.
What is the cheapest airline that flies from Idaho to District of Columbia?
Frontier, Alaska Airlines, and Hawaiian Airlines are the most popular carriers operating from Idaho to District of Columbia
What airlines fly to District of Columbia?
Delta, United Airlines and Southwest are the top three most popular airlines that fly to District of Columbia from Idaho according to our data. Delta is the first choice among our users, with 47% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 5 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.
How many flights depart from Idaho to District of Columbia on average per week?
3 flights are operational weekly from Idaho to District of Columbia as of April 2025. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.
How long is the flight from Idaho to District of Columbia?
On average, it takes 6h 10m to fly from Idaho to District of Columbia if you fly out of Boise (the most popular airport in Idaho) and into Washington, D.C. Dulles Intl Airport (the most popular airport in District of Columbia). If you’re flying out of Hailey and into Washington, D.C. Dulles Intl Airport, then the flight time is around 6h 23m.
Cheap Idaho to District of Columbia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho to District of Columbia
Best Price Found | $89 |
|---|---|
Fastest flight time | 5h 56m |
Direct flights | None |
Airports in District of Columbia | 2 airports |
When did momondo last update prices for flights from Idaho to District of Columbia?
Prices for flights from Idaho to District of Columbia are updated daily.
How many operators does momondo search for flights from Idaho to District of Columbia?
The number of operators available for flights from Idaho to District of Columbia is 5 as of April 2025.
How old do you have to be to fly from Idaho to District of Columbia?
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 Idaho to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The required travel and health documents for your District of Columbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Idaho to District of Columbia
Compare and see reviews for airlines that fly from Idaho to District of Columbia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $141 | Free Cancellation | Rating 8.0 9,887 reviews | |||
| PriceFrom $300 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom $306 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom $316 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $346 | Free Cancellation | Rating 8.0 4,280 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Idaho to District of Columbia?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to District of Columbia. momondo saves you time and could save you money on your trip.
Can I find flights from Idaho to District of Columbia with flexible booking policies on momondo?
All flight searches from Idaho to District of Columbia on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Idaho to District of Columbia?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to District of Columbia from Idaho.
I’m not ready to book a flight from Idaho to District of Columbia right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to District of Columbia from Idaho. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.
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