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District of Columbia

$142+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — IAD
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$230
(Alaska Airlines)

One-way from

$142
(Delta)

Popular in

March

Cheapest in

February

Average price

$361
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Washington, D.C. (WAS) flights.
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From Idaho to District of Columbia
Search Deals
One-way flight from Idaho to District of Columbia
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Idaho to District of Columbia

Cheapest flights from Idaho to District of Columbia
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 February 22, 2025.

This Alaska Airlines deal was found by Cheapflights users on 2/22. 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.
Wed 4/29:00 amBOI - DCA
1 stop10h 55mAlaska Airlines
Mon 4/78:00 amDCA - BOI
1 stop16h 56mAlaska Airlines
Deal found 2/22$230
This Delta deal was found by Cheapflights users on 2/21. 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.
Fri 4/117:05 pmBOI - IAD
1 stop9h 03mDelta
Wed 4/166:00 amIAD - BOI
1 stop9h 20mDelta
Deal found 2/21$231
This Delta deal was found by Cheapflights users on 2/22. 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.
Wed 4/21:45 pmBOI - DCA
1 stop7h 55mDelta
Mon 4/79:46 amDCA - BOI
2 stops10h 39mDelta
Deal found 2/22$236
This Trip.com deal was found by Cheapflights users on 2/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/146:40 pmBOI - IAD
1 stop9h 00mMultiple Airlines
Wed 4/236:30 amIAD - BOI
1 stop9h 17mMultiple Airlines
Deal found 2/22$244
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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.
Mon 3/319:40 amBOI - IAD
1 stop17h 54mAlaska Airlines
Wed 4/167:00 amIAD - BOI
1 stop8h 52mAlaska Airlines
Deal found 2/21$267
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Wed 3/267:05 amBOI - DCA
2 stops8h 54mAmerican Airlines
Wed 4/25:00 amDCA - BOI
2 stops9h 46mAmerican Airlines
Deal found 2/22$276
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Wed 3/261:36 pmBOI - IAD
2 stops8h 22mAmerican Airlines
Wed 4/29:20 amIAD - BOI
2 stops14h 35mAmerican Airlines
Deal found 2/22$277
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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.
Mon 4/141:29 pmGEG - IAD
1 stop13h 05mAlaska Airlines
Tue 4/226:42 amIAD - GEG
1 stop10h 44mAlaska Airlines
Deal found 2/21$283
This Delta deal was found by Cheapflights users on 2/21. 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.
Mon 4/147:25 pmGEG - IAD
2 stops10h 06mDelta
Tue 4/227:25 amIAD - GEG
1 stop8h 20mDelta
Deal found 2/21$288
This Delta deal was found by Cheapflights users on 2/21. 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.
Mon 4/147:25 pmGEG - DCA
2 stops10h 12mDelta
Tue 4/224:50 pmDCA - GEG
1 stop10h 09mDelta
Deal found 2/21$288
This Hawaiian Airlines deal was found by Cheapflights users on 2/22. 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.
Mon 4/147:30 pmGEG - IAD
1 stop7h 04mHawaiian Airlines
Tue 4/227:13 pmIAD - GEG
1 stop7h 46mHawaiian Airlines
Deal found 2/22$296
This Booking.com deal was found by Cheapflights users on 2/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/112:36 pmBOI - DCA
1 stop21h 24mFrontier
Sun 6/87:00 amDCA - BOI
1 stop6h 47mFrontier
Deal found 2/21$298

Find flights from Idaho to District of Columbia within your budget

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 February 22, 2025.

Fly from

Idaho

Fly to

District of Columbia

Route

Depart

Return

Price

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 4/2

9:00 am-9:55 pm

1 stop10h 55m

Washington, D.C. Reagan-National

Mon 4/7

8:00 am-10:56 pm

1 stop16h 56m

$230

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Fri 4/11

7:05 pm-6:08 am

1 stop9h 03m

Washington, D.C. Dulles Intl

Wed 4/16

6:00 am-1:20 pm

1 stop9h 20m

$231

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 4/2

1:45 pm-11:40 pm

1 stop7h 55m

Washington, D.C. Reagan-National

Mon 4/7

9:46 am-6:25 pm

2 stops10h 39m

$236

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Mon 4/14

6:40 pm-5:40 am

1 stop9h 00m

Washington, D.C. Dulles Intl

Wed 4/23

6:30 am-1:47 pm

1 stop9h 17m

$244

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Mon 3/31

9:40 am-5:34 am

1 stop17h 54m

Washington, D.C. Dulles Intl

Wed 4/16

7:00 am-1:52 pm

1 stop8h 52m

$267

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Wed 3/26

7:05 am-5:59 pm

2 stops8h 54m

Washington, D.C. Reagan-National

Wed 4/2

5:00 am-12:46 pm

2 stops9h 46m

$276

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 3/26

1:36 pm-11:58 pm

2 stops8h 22m

Washington, D.C. Dulles Intl

Wed 4/2

9:20 am-9:55 pm

2 stops14h 35m

$277

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Mon 4/14

1:29 pm-5:34 am

1 stop13h 05m

Washington, D.C. Dulles Intl

Tue 4/22

6:42 am-2:26 pm

1 stop10h 44m

$283

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Mon 4/14

7:25 pm-8:31 am

2 stops10h 06m

Washington, D.C. Dulles Intl

Tue 4/22

7:25 am-12:45 pm

1 stop8h 20m

$288

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

Mon 4/14

7:25 pm-8:37 am

2 stops10h 12m

Washington, D.C. Reagan-National

Tue 4/22

4:50 pm-11:59 pm

1 stop10h 09m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 60 results
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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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Idaho to District of Columbia

Get recent, data-driven insights about flights from Idaho to District of Columbia including ideal travel times, pricing trends, and more.

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 $309). Flying from Idaho to District of Columbia in June is currently the most expensive (average of $389). 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 February 22, 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 February 22, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,395 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,395 reviews
Southwest
8.1
Very good
4,395 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,700 reviews
Southwest
8.1
Very good
4,395 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,395 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,314 reviews
Southwest
8.1
Very good
4,395 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,754 reviews
Southwest
8.1
Very good
4,395 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

  • What are the cheapest airlines to fly from Idaho to District of Columbia one-way?

    $142 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Frontier and Hawaiian Airlines, with prices starting from $142 and $148, respectively.

  • Can I find deals for flights from Idaho to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Idaho to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to District of Columbia.

  • Can I find deals for business class flights from Idaho to District of Columbia?

    Yes. Cheapflights offers flight deals from Idaho to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $309). Flying from Idaho to District of Columbia in June is currently the most expensive (average of $389). 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.

See more FAQs

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Alternative routes for Idaho to District of Columbia

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Top 6 airlines flying from Idaho to District of Columbia

Discover the top 6 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$141Average$253FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$300Average$568FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$316Average$698FlexibilityNo cancel feeOn-time69%
DeltaCheapest$316Average$510FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$321Average$533FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$359Average$615FlexibilityNo cancel feeOn-time71%
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