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$195+ Cheap flights from Dulles Intl (IAD) to Billings (BIL)

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BIL
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap flight deals from Dulles Intl to Billings

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Billings (BIL). 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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$388
(Hawaiian Airlines)

One-way from

$195
(American Airlines)

Popular in

November

Cheapest in

April

Average price

$370
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Billings Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Billings Logan Intl flights.
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From Washington, D.C. Dulles Intl to Billings Logan Intl
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Dulles Intl to Billings

Cheapest flights from Dulles Intl to Billings
Explore the most affordable flight options available from Dulles Intl to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 4/14. 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.
Sat 5/317:00 amIAD - BIL
1 stop10h 05mHawaiian Airlines
Tue 6/37:24 pmBIL - IAD
1 stop10h 12mHawaiian Airlines
Deal found 4/14$388
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Tue 5/66:17 amIAD - BIL
1 stop9h 11mAmerican Airlines
Tue 5/131:58 pmBIL - IAD
1 stop6h 59mAmerican Airlines
Deal found 4/15$389
This Delta deal was found by Cheapflights users on 4/15. 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.
Tue 5/66:52 pmIAD - BIL
1 stop6h 20mDelta
Tue 5/135:20 amBIL - IAD
2 stops10h 43mDelta
Deal found 4/15$394
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Tue 5/610:00 amIAD - BIL
1 stop15h 59mAlaska Airlines
Tue 5/131:34 pmBIL - IAD
1 stop16h 09mAlaska Airlines
Deal found 4/14$430
This United Airlines deal was found by Cheapflights users on 4/14. 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 9/58:15 amIAD - BIL
1 stop6h 58mUnited Airlines
Sun 9/2112:00 pmBIL - IAD
1 stop6h 55mUnited Airlines
Deal found 4/14$436

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Billings 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 April 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Billings that are best for you.

Fly from

Dulles Intl

Fly to

Billings

Route

Depart

Return

Price

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 5/31

7:00 am-3:05 pm

1 stop10h 05m

Billings Logan Intl

Tue 6/3

7:24 pm-7:36 am

1 stop10h 12m

$388

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 5/6

6:17 am-1:28 pm

1 stop9h 11m

Billings Logan Intl

Tue 5/13

1:58 pm-10:57 pm

1 stop6h 59m

$389

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 5/6

6:52 pm-11:12 pm

1 stop6h 20m

Billings Logan Intl

Tue 5/13

5:20 am-6:03 pm

2 stops10h 43m

$394

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 5/6

10:00 am-11:59 pm

1 stop15h 59m

Billings Logan Intl

Tue 5/13

1:34 pm-7:43 am

1 stop16h 09m

$430

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 9/5

8:15 am-1:13 pm

1 stop6h 58m

Billings Logan Intl

Sun 9/21

12:00 pm-8:55 pm

1 stop6h 55m

$436

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 5/6

6:17 am-1:28 pm

1 stop9h 11m

$195

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 6/24

7:04 pm-11:11 pm

1 stop6h 07m

$230

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Wed 7/30

5:25 pm-10:47 pm

1 stop7h 22m

$240

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Thu 6/12

12:40 pm-9:34 pm

2 stops34h 54m

$246

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 6/6

5:14 pm-11:59 pm

2 stops32h 45m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 11 results
1
2

Compare providers for flights from Dulles Intl to Billings

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Billings in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Billings flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Billings flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Billings flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Billings flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Billings flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Billings

What is the cheapest time of day to fly from IAD to BIL?

Find hourly flight availability from Dulles Intl to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Billings, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 5% versus a flight at noon.

Rainfall in Billings by month

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

In terms of precipitation, rainfall in Billings ranges from 0.5 - 2.2 inches per month. May is typically the wettest month, when rainfall can reach 2.2 in. January is typically the driest time to visit Billings when rainfall is around 0.5 in.

Temperature in Billings by month

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

If weather is an important factor for your trip to Billings, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. 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 Billings. Reviews last updated April 15, 2025.
Alaska Airlines
8.0
Very good
9,871 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,374 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,656 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Billings. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Billings from Washington, D.C. Dulles Intl?

    Located just 2.7 mi from the city center, Billings Logan Intl is the airport most travelers will use when flying to Billings from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Billings Logan Intl (BIL) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 3 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Billings round-trip?

    Currently priced at $388, Hawaiian Airlines will fly you from Washington, D.C. Dulles Intl Airport to Billings and back. In addition to Hawaiian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from $394 and $430, respectively. Hawaiian Airlines is priced at 28% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Billings one-way?

    One-way options have recently been found by users for as low as $195 on American Airlines. Other airlines that offer cheap prices include Delta from $270 and United Airlines from $280 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Billings 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 Billings?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Billings (average of $396). Flying from Washington, D.C. Dulles Intl Airport to Billings in June is currently the most expensive (average of $581). 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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Top 3 airlines flying from Dulles Intl to Billings

Discover the top 3 airlines that operate flights from Dulles Intl to Billings. 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$603FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$370Average$508FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$451Average$607FlexibilityNo cancel feeOn-time69%

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