$100+ Cheap flights from Idaho to District of Columbia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Idaho to District of Columbia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Idaho to District of Columbia
Keep the following information in mind while searching for Idaho to District of Columbia flight deals. Data was last updated June 12, 2025.
Round-trip from | $199 (Delta) |
|---|---|
One-way from | $100 (Delta) |
Popular in | March |
Cheapest in | February |
Average price | $406 |
Find flight deals from Idaho to District of Columbia
Cheapest flights from Idaho to District of ColumbiaExplore the most affordable flight options available from Idaho to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Idaho to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Idaho to District of Columbia that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Wed 7/9
7:26 pm-5:57 am
1 stop7h 31m
Washington, D.C. Dulles Intl
Tue 7/15
7:30 am-12:33 pm
1 stop8h 03m
SpokaneWashington, D.C.
GEG - DCA
GEGDCA
Spokane
Tue 9/2
1:08 pm-11:50 pm
1 stop7h 42m
Washington, D.C. Reagan-National
Tue 9/9
3:33 pm-10:52 pm
1 stop10h 19m
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Sat 9/20
12:35 pm-10:49 pm
1 stop7h 14m
Washington, D.C. Dulles Intl
Sat 9/27
12:48 pm-10:52 pm
2 stops13h 04m
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Mon 8/11
4:47 pm-6:50 am
1 stop11h 03m
Washington, D.C. Dulles Intl
Wed 8/13
6:30 am-12:28 pm
1 stop8h 58m
SpokaneWashington, D.C.
GEG - DCA
GEGDCA
Spokane
Sat 9/20
5:05 am-3:35 pm
1 stop7h 30m
Washington, D.C. Reagan-National
Sat 9/27
4:40 pm-10:39 pm
2 stops8h 59m
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Tue 7/8
6:25 pm-5:24 am
1 stop7h 59m
Washington, D.C. Dulles Intl
Tue 7/15
3:56 pm-9:03 pm
1 stop8h 07m
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Wed 7/23
6:07 pm-7:27 am
1 stop10h 20m
Washington, D.C. Dulles Intl
Wed 7/30
5:25 pm-11:44 pm
1 stop9h 19m
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Wed 8/27
7:17 pm-7:32 am
1 stop10h 15m
Washington, D.C. Dulles Intl
Sun 8/31
9:00 am-5:18 pm
1 stop10h 18m
BoiseWashington, D.C.
BOI - IAD
BOIIAD
Boise Air Term. Gowen Fld
Wed 10/15
7:30 am-4:07 pm
1 stop6h 37m
Washington, D.C. Dulles Intl
Wed 10/22
6:45 am-12:34 pm
1 stop7h 49m
BoiseWashington, D.C.
BOI - DCA
BOIDCA
Boise Air Term. Gowen Fld
Wed 8/27
1:07 pm-11:50 pm
1 stop8h 43m
Washington, D.C. Reagan-National
Sun 8/31
7:00 am-12:19 pm
1 stop7h 19m
Best time to book a flight from Idaho to District of Columbia
Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Idaho with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Idaho to District of Columbia
What is the cheapest month to book a flight from Idaho to District of Columbia?
Currently, August is the cheapest month in which you can book a flight from Idaho to District of Columbia (average of $241). Flying from Idaho to District of Columbia in March is currently the most expensive (average of $290). 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.
What is the cheapest time of day to fly from ID to DC?
Find hourly flight availability from Idaho to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to District of Columbia as you normally would.
Rainfall in District of Columbia by month
Plan your trip to District of Columbia by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.
Temperature in District of Columbia by month
Plan your trip to District of Columbia by taking into account the average temperature totals by month.
If weather is an important factor for your trip to District of Columbia, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
Reviews of airlines servicing District of Columbia
Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Idaho to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from Idaho to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Idaho to District of Columbia
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Idaho to District of Columbia
Discover the top 5 airlines that operate flights from Idaho to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$453 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$300 | Average$564 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$633 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$300 | Average$446 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$346 | Average$497 | FlexibilityNo cancel fee | On-time63% |