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$155+ Cheap flights from Dulles Intl (IAD) to Idaho

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BOI
nov. 25 — dic. 21
lun. 11/25
lun. 12/2
1 adult, Economy
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Cheap flight deals from Dulles Intl to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Idaho (USID). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 20, 2024.

Find flight deals from Dulles Intl to Idaho

Cheapest flights from Dulles Intl to Idaho
Explore the most affordable flight options available from Dulles Intl to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 20, 2024.

This Delta deal was found by Cheapflights users on 11/19. 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.
sáb. 12/76:55 amIAD - LWS
1 stop7h 59mDelta
dom. 12/1512:34 pmLWS - IAD
1 stop8h 15mDelta
Deal found 11/19$328
This Delta deal was found by Cheapflights users on 11/19. 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.
lun. 12/166:55 amIAD - BOI
1 stop7h 15mDelta
jue. 1/91:20 pmBOI - IAD
1 stop8h 16mDelta
Deal found 11/19$365
This United Airlines deal was found by Cheapflights users on 11/19. 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.
mar. 12/172:30 pmIAD - BOI
1 stop8h 59mUnited Airlines
mar. 12/242:34 pmBOI - IAD
1 stop6h 51mUnited Airlines
Deal found 11/19$397
This United deal was found by Cheapflights users on 11/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/126:30 amIAD - GEG
1 stop11h 41mUnited Airlines
lun. 12/163:55 pmGEG - IAD
1 stop10h 13mUnited Airlines
Deal found 11/19$406
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
jue. 12/195:24 pmIAD - BOI
2 stops24h 55mAlaska Airlines
jue. 12/266:38 pmBOI - IAD
2 stops24h 52mAlaska Airlines
Deal found 11/19$407
This Delta deal was found by Cheapflights users on 11/19. 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.
jue. 12/126:55 amIAD - GEG
1 stop8h 30mDelta
lun. 12/167:16 pmGEG - IAD
2 stops10h 54mDelta
Deal found 11/19$417
This Delta deal was found by Cheapflights users on 11/20. 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.
mié. 12/116:55 amIAD - JAC
1 stop7h 30mDelta
dom. 12/151:20 pmJAC - IAD
1 stop8h 29mDelta
Deal found 11/20$436
This United Airlines deal was found by Cheapflights users on 11/19. 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.
jue. 12/125:35 pmIAD - LWS
1 stop7h 55mUnited Airlines
dom. 12/155:30 amLWS - IAD
1 stop7h 08mUnited Airlines
Deal found 11/19$458
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
lun. 12/95:32 pmIAD - GEG
1 stop32h 12mAlaska Airlines
mié. 12/115:00 amGEG - IAD
2 stops13h 43mAlaska Airlines
Deal found 11/19$462
This American Airlines deal was found by Cheapflights users on 11/19. 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.
dom. 12/156:00 amIAD - BOI
1 stop8h 37mAmerican Airlines
mié. 1/87:00 amBOI - IAD
1 stop7h 14mAmerican Airlines
Deal found 11/19$464
This United deal was found by Cheapflights users on 11/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/114:00 pmIAD - JAC
1 stop7h 19mUnited Airlines
vie. 12/202:30 pmJAC - IAD
1 stop6h 55mUnited Airlines
Deal found 11/20$469
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/33:45 pmIAD - GEG
1 stop9h 45mSouthwest
mié. 12/111:30 pmGEG - IAD
1 stop6h 30mSouthwest
Deal found 11/20$564

Find flights from Dulles Intl to Idaho within your budget

Customize your flight search to find flights from Dulles Intl to Idaho 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 2,629,791 searches. Data last updated noviembre 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

mié. 1/22

6:05 am-1:04 pm

1 stop9h 59m

Spokane

mié. 1/29

5:00 am-3:25 pm

1 stop7h 25m

$306

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

vie. 2/21

6:48 pm-11:44 pm

1 stop7h 56m

Spokane

mar. 2/25

1:39 pm-5:48 pm

1 stop25h 09m

$324

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

sáb. 12/7

6:55 am-11:54 am

1 stop7h 59m

Lewiston Nez Perce Rgnl

dom. 12/15

12:34 pm-11:49 pm

1 stop8h 15m

$328

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

mar. 2/18

6:12 am-12:30 pm

1 stop8h 18m

Boise Air Term. Gowen Fld

vie. 2/21

7:05 am-4:12 pm

1 stop7h 07m

$340

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

dom. 2/23

7:00 am-1:51 pm

1 stop8h 51m

Boise Air Term. Gowen Fld

jue. 2/27

2:46 pm-5:32 am

1 stop12h 46m

$356

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

sáb. 3/1

8:30 am-4:16 pm

1 stop9h 46m

Boise Air Term. Gowen Fld

jue. 3/6

2:30 pm-11:23 pm

1 stop6h 53m

$360

Washington, D.C.Jackson

IAD - JAC

IADJAC

Washington, D.C. Dulles Intl

mié. 1/15

7:20 am-12:15 pm

1 stop6h 55m

Jackson Hole

mié. 1/22

1:10 pm-11:36 pm

1 stop8h 26m

$364

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

mié. 2/5

6:57 pm-3:27 pm

1 stop22h 30m

Idaho Falls Fanning Field

mié. 2/12

8:00 am-5:57 pm

1 stop7h 57m

$364

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

lun. 12/16

6:55 am-12:10 pm

1 stop7h 15m

Boise Air Term. Gowen Fld

jue. 1/9

1:20 pm-11:36 pm

1 stop8h 16m

$365

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

jue. 1/9

4:00 pm-9:25 pm

1 stop7h 25m

Hailey Sun Valley-Friedman

sáb. 1/11

2:25 pm-11:30 pm

1 stop7h 05m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 44 results
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Best time to book a flight from Dulles Intl to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Dulles Intl 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 Dulles Intl to Idaho

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

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Idaho?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Idaho (average of $310). Flying from Washington, D.C. Dulles Intl Airport to Idaho in June is currently the most expensive (average of $436). 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 IAD to ID?

Find hourly flight availability from Dulles Intl to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 20, 2024.

When flying from Washington, D.C. Dulles Intl Airport to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated noviembre 20, 2024.
Read through reviews of airlines operating flights from Washington, D.C. to Idaho, such as American Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Idaho. 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 Washington, D.C. Dulles Intl Airport to Idaho one-way?

    One-way options have recently been found by users for as low as $155 on Delta. Other airlines that offer cheap prices include American Airlines from $160 and Southwest from $180 one-way.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Idaho?

    The most popular flight routes from Washington, D.C. Dulles Intl Airport to Idaho are Washington, D.C. Dulles Intl - Jackson Hole, Washington, D.C. Dulles Intl - Spokane and Washington, D.C. Dulles Intl - Boise Air Term. Gowen Fld.

  • Can I find deals for flights from Dulles Intl to Idaho that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Idaho?

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

  • Can I find deals for business class flights from Dulles Intl to Idaho?

    Yes. Cheapflights offers flight deals from Dulles Intl to Idaho 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 Washington, D.C. Dulles Intl Airport to Idaho?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Idaho (average of $310). Flying from Washington, D.C. Dulles Intl Airport to Idaho in June is currently the most expensive (average of $436). 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.

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Alternative routes for Dulles Intl to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to Dallas/Fort Worth flights
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Baltimore to Tampa flights
Reagan-National to Tampa flights
Dulles Intl to Sky Harbor Intl flights
Dulles Intl to George Bush Intcntl flights
Baltimore to George Bush Intcntl flights
Reagan-National to New Orleans flights
Reagan-National to Salt Lake City flights
Baltimore to San Francisco flights
Dulles Intl to Honolulu flights
Baltimore to Atlanta flights
Dulles Intl to San Diego flights
Baltimore to Salt Lake City flights

Top 4 airlines flying from Dulles Intl to Idaho

Discover the top 4 airlines that operate flights from Dulles Intl to Idaho. 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 2,629,791 searches. Data last updated noviembre 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$310Average$568FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$334Average$523FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$336Average$649FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$360Average$553FlexibilityNo cancel feeOn-time75%
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