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Dulles Intl

$243+ Cheap flights from Billings (BIL) 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — IAD
Jan 9 — Jan 161
Thu 1/9
Thu 1/16
1 adult, Economy
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Cheap flight deals from Billings to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) 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 January 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$341
(American Airlines)

One-way from

$243
(United Airlines)
Provider with most accurate pricing for Billings Logan Intl-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Billings Logan Intl-Washington, D.C. Dulles Intl flights.
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From Billings Logan Intl to Washington, D.C. Dulles Intl
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One-way flight from Billings Logan Intl to Washington, D.C. Dulles Intl
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Find flight deals from Billings to Dulles Intl

Cheapest flights from Billings to Dulles Intl
Explore the most affordable flight options available from Billings to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2025.

This American Airlines deal was found by Cheapflights users on 1/3. 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 2/187:00 amBIL - IAD
1 stop7h 12mAmerican Airlines
Tue 2/256:12 amIAD - BIL
1 stop9h 18mAmerican Airlines
Deal found 1/3$341
This Delta deal was found by Cheapflights users on 1/3. 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 2/186:25 amBIL - IAD
1 stop5h 22mDelta
Tue 2/255:16 pmIAD - BIL
2 stops7h 51mDelta
Deal found 1/3$345
This Alaska Airlines deal was found by Cheapflights users on 1/3. 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 2/211:29 pmBIL - IAD
1 stop14h 03mAlaska Airlines
Sun 2/236:48 pmIAD - BIL
1 stop20h 01mAlaska Airlines
Deal found 1/3$426
This United Airlines deal was found by Cheapflights users on 1/3. 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.
Sat 5/37:00 amBIL - IAD
1 stop6h 30mUnited Airlines
Sun 5/1110:05 pmIAD - BIL
1 stop25h 02mUnited Airlines
Deal found 1/3$536

Find flights from Billings to Dulles Intl within your budget

Customize your flight search to find flights from Billings 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 2,558,603 searches. Data last updated January 4, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Tue 2/18

7:00 am-4:12 pm

1 stop7h 12m

Washington, D.C. Dulles Intl

Tue 2/25

6:12 am-1:30 pm

1 stop9h 18m

$341

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Tue 2/18

6:25 am-1:47 pm

1 stop5h 22m

Washington, D.C. Dulles Intl

Tue 2/25

5:16 pm-11:07 pm

2 stops7h 51m

$345

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Fri 2/21

1:29 pm-5:32 am

1 stop14h 03m

Washington, D.C. Dulles Intl

Sun 2/23

6:48 pm-12:49 pm

1 stop20h 01m

$426

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Sat 5/3

7:00 am-3:30 pm

1 stop6h 30m

Washington, D.C. Dulles Intl

Sun 5/11

10:05 pm-9:07 pm

1 stop25h 02m

$536

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Mon 3/24

2:45 pm-11:23 pm

1 stop6h 38m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

Compare providers for flights from Billings to Dulles Intl

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 Billings to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Billings-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Billings-Washington, D.C. Dulles Intl Airport 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 Billings to Dulles Intl

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

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

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 January 4, 2025.
Alaska Airlines
8.0
Very good
9,602 reviews

Food

7.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

Alaska Airlines
8.0
Very good
9,602 reviews
Alaska Airlines
8.0
Very good
9,602 reviews

Food

7.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

Delta
8.0
Very good
8,527 reviews
Alaska Airlines
8.0
Very good
9,602 reviews

Food

7.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

United Airlines
7.4
Good
8,966 reviews
Alaska Airlines
8.0
Very good
9,602 reviews

Food

7.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,602 reviews

Food

7.2

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

Related info for your journey

Find useful and relevant information for your journey from Billings 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 airport do you fly from for flights from Billings to 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 Washington, D.C. Dulles Intl from Billings. Booking flights from Billings Logan Intl (BIL) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 1 airline.

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

    Our cheapest airline available from Billings to Washington, D.C. Dulles Intl Airport is American Airlines. Our recent data shows that you can find tickets from as low as $341 on this airline. Additional options worth looking into are Delta and Alaska Airlines, starting at $345 and $426 round-trip.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Billings to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Billings to Washington, D.C. Dulles Intl Airport 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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Top airline flying from Billings to Dulles Intl

Discover the top airline that operate flights from Billings 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 2,558,603 searches. Data last updated January 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$373Average$758FlexibilityNo cancel feeOn-time69%
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