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Dulles Intl

$153+ Cheap flights from Idaho to Dulles Intl (IAD)

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — IAD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Idaho to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Idaho (USID) to Dulles Intl (IAD). 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 November 21, 2024.

Find flight deals from Idaho to Dulles Intl

Cheapest flights from Idaho to Dulles Intl
Explore the most affordable flight options available from Idaho to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This United Airlines 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/188:00 amBOI - IAD
1 stop8h 50mUnited Airlines
Wed 12/256:30 amIAD - BOI
1 stop8h 58mUnited Airlines
Deal found 11/20$310
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.
Thu 11/286:00 amBOI - IAD
1 stop7h 48mDelta
Wed 12/46:00 amIAD - BOI
1 stop8h 40mDelta
Deal found 11/20$413
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/71:29 pmBOI - IAD
1 stop6h 55mAmerican Airlines
Wed 12/116:00 amIAD - BOI
1 stop8h 37mAmerican Airlines
Deal found 11/20$455
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.
Fri 12/132:20 pmGEG - IAD
1 stop6h 33mDelta
Tue 12/175:24 pmIAD - GEG
1 stop8h 49mDelta
Deal found 11/20$457
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.
Thu 12/55:30 amLWS - IAD
1 stop7h 08mUnited Airlines
Sun 12/85:35 pmIAD - LWS
1 stop7h 55mUnited Airlines
Deal found 11/20$458
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/195:30 amBOI - IAD
1 stop7h 45mSouthwest
Tue 12/243:45 pmIAD - BOI
1 stop8h 05mSouthwest
Deal found 11/19$489
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.
Tue 12/101:30 pmGEG - IAD
1 stop6h 30mSouthwest
Thu 12/127:25 amIAD - GEG
1 stop7h 10mSouthwest
Deal found 11/20$493
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.
Tue 12/241:47 pmGEG - IAD
1 stop6h 38mUnited Airlines
Tue 12/316:35 amIAD - GEG
1 stop9h 15mUnited Airlines
Deal found 11/20$506
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.
Fri 12/136:05 pmIDA - IAD
1 stop15h 14mUnited Airlines
Mon 12/165:35 pmIAD - IDA
1 stop18h 18mUnited Airlines
Deal found 11/20$525
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/65:00 amGEG - IAD
1 stop6h 54mAlaska Airlines
Mon 12/93:54 pmIAD - GEG
1 stop21h 58mAlaska Airlines
Deal found 11/20$571
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/76:33 amGEG - IAD
2 stops9h 55mAmerican Airlines
Sat 12/145:00 amIAD - GEG
2 stops11h 43mAmerican Airlines
Deal found 11/20$678
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.
Fri 12/201:09 pmJAC - IAD
1 stop8h 50mUnited Airlines
Thu 12/2610:17 pmIAD - JAC
1 stop13h 20mUnited Airlines
Deal found 11/19$690

Find flights from Idaho to Dulles Intl within your budget

Customize your flight search to find flights from Idaho to Dulles Intl 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 November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Thu 1/30

6:00 am-5:57 pm

1 stop8h 57m

Washington, D.C. Dulles Intl

Wed 2/5

6:57 pm-11:43 pm

1 stop7h 46m

$306

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 12/18

8:00 am-6:50 pm

1 stop8h 50m

Washington, D.C. Dulles Intl

Wed 12/25

6:30 am-1:28 pm

1 stop8h 58m

$310

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 1/25

7:00 am-4:14 pm

1 stop7h 14m

Washington, D.C. Dulles Intl

Sat 2/1

9:11 am-9:52 pm

2 stops14h 41m

$315

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 2/19

5:00 am-3:25 pm

1 stop7h 25m

Washington, D.C. Dulles Intl

Wed 2/26

7:17 am-12:00 pm

1 stop7h 43m

$316

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Thu 1/30

7:50 am-11:05 pm

2 stops12h 15m

Washington, D.C. Dulles Intl

Wed 2/5

11:10 am-9:10 pm

2 stops13h 00m

$336

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 1/7

1:20 pm-11:36 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Fri 1/10

6:00 am-1:57 pm

2 stops9h 57m

$345

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sun 1/26

9:30 am-5:57 pm

1 stop30h 27m

Washington, D.C. Dulles Intl

Fri 1/31

6:57 pm-1:45 pm

1 stop20h 48m

$352

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Sat 1/4

6:25 pm-5:11 am

1 stop7h 46m

Washington, D.C. Dulles Intl

Sat 1/11

2:42 pm-11:30 pm

1 stop11h 48m

$400

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Mon 1/6

11:59 pm-1:22 pm

2 stops10h 23m

Washington, D.C. Dulles Intl

Fri 1/10

5:00 am-1:49 pm

2 stops11h 49m

$428

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Thu 12/5

5:30 am-3:38 pm

1 stop7h 08m

Washington, D.C. Dulles Intl

Sun 12/8

5:35 pm-10:30 pm

1 stop7h 55m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 39 results
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Best time to book a flight from Idaho to Dulles Intl

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

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

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

Currently, September is the cheapest month in which you can book a flight from Idaho to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Idaho to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). 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 IAD?

Find hourly flight availability from Idaho to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from Idaho to Washington, D.C. Dulles Intl Airport, 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 Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated November 21, 2024.
Get a feel of what it's like to fly with Alaska Airlines, United Airlines and American Airlines from Idaho to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

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

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,758 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

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

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

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
5,015 reviews

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

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 Idaho to Dulles Intl. 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 Washington, D.C. Dulles Intl Airport one-way?

    $153 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from $158 and $159, respectively.

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

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

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Idaho to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Idaho to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). 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 Idaho to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Baltimore flights
Los Angeles to Dulles Intl flights
Los Angeles to Reagan-National flights
Dallas/Fort Worth to Dulles Intl flights
Los Angeles to Baltimore flights
Boston to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Hobby to Baltimore flights
Atlanta to Dulles Intl flights
Seattle to Dulles Intl flights
San Francisco to Dulles Intl flights
San Francisco to Reagan-National flights
Boston to Reagan-National flights
Atlanta to Reagan-National flights
Seattle to Reagan-National flights
San Francisco to Baltimore flights
Boston to Baltimore flights
Fort Lauderdale to Baltimore flights
Hobby to Reagan-National flights
O'Hare Intl to Baltimore flights
O'Hare Intl to Dulles Intl flights
Atlanta to Baltimore flights
Orlando to Dulles Intl flights
Orlando to Reagan-National flights
Miami to Reagan-National flights
George Bush Intcntl to Baltimore flights
Seattle to Baltimore flights
Hobby to Dulles Intl flights
O'Hare Intl to Reagan-National flights
John F Kennedy Intl to Reagan-National flights
Denver to Baltimore flights
George Bush Intcntl to Dulles Intl flights
Denver to Dulles Intl flights
Denver to Reagan-National flights
Newark to Dulles Intl flights
Detroit to Baltimore flights
Miami to Baltimore flights
Austin to Dulles Intl flights
Charlotte to Dulles Intl flights
Fort Lauderdale to Dulles Intl flights
Orlando to Baltimore flights
LaGuardia to Reagan-National flights
George Bush Intcntl to Reagan-National flights
San Diego to Dulles Intl flights
Minneapolis to Baltimore flights
Miami to Dulles Intl flights
Burbank to Baltimore flights
Tampa to Reagan-National flights
Tampa to Dulles Intl flights
Fort Lauderdale to Reagan-National flights

Top 4 airlines flying from Idaho to Dulles Intl

Discover the top 4 airlines that operate flights from Idaho to Dulles Intl. 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 November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$316Average$438FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$326Average$657FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$336Average$544FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$397Average$501FlexibilityNo cancel feeOn-time75%
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