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

Currently priced at $380, Alaska Airlines will fly you from Washington, D.C. Dulles Intl Airport to Billings and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $381 and $386, respectively. Alaska Airlines is priced at 34% lower than the current average price of a flight leaving 3 months from now.

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 $598). 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 day to fly from Washington, D.C. Dulles Intl Airport to Billings?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Billings flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Billings?

The most popular airlines flying from Washington, D.C. Dulles Intl Airport to Billings are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Billings?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Billings. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Billings?

November is one of the best times of the year to fly to Billings from Washington, D.C. Dulles Intl Airport. Prices for November average $627 per person but you can even find prices for as low as $441. The most expensive prices can be found in the month of December. Opting for a November flight can save you 31% on your journey compared to booking in December

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 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 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.

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.

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.

$256+ Flights from Washington, D.C. Dulles Intl Airport to Billings

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Cheap flight deals from Dulles Intl to Billings

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$380 (Alaska Airlines)
One-way from	$256 (United Airlines)
Popular in	May
Cheapest in	January
Average price	$690

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

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One-way flight from Washington, D.C. Dulles Intl to Billings Logan Intl

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Highest demand for flights based on searches. 8% potential increase in price ($56 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 21, 2025.

Tue 5/610:00 amIAD - BIL

1 stop15h 59mAlaska Airlines

Tue 5/131:34 pmBIL - IAD

1 stop8h 24mAlaska Airlines

Deal found 3/21

$380

Tue 5/66:17 amIAD - BIL

1 stop9h 11mAmerican Airlines

Tue 5/131:58 pmBIL - IAD

1 stop6h 56mAmerican Airlines

Deal found 3/20

$381

Tue 5/66:52 pmIAD - BIL

1 stop6h 20mDelta

Tue 5/135:20 amBIL - IAD

2 stops10h 43mDelta

Deal found 3/21

$386

Thu 8/142:39 pmIAD - BIL

1 stop8h 24mUnited Airlines

Thu 8/2112:30 pmBIL - IAD

1 stop6h 25mUnited Airlines

Deal found 3/20

$479

Sun 4/207:30 amIAD - BIL

2 stops27h 40mMultiple Airlines

Sat 4/265:35 pmBIL - IAD

3 stops39h 02mMultiple Airlines

Deal found 3/20

$641

Best flights from Dulles Intl to Billings
Discover carefully curated flight deals from Dulles Intl to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 21, 2025.

Tue 5/610:00 amIAD - BIL

1 stop15h 59mAlaska Airlines

Tue 5/131:34 pmBIL - IAD

1 stop8h 24mAlaska Airlines

Deal found 3/21

$380

Tue 5/66:17 amIAD - BIL

1 stop9h 11mAmerican Airlines

Tue 5/131:58 pmBIL - IAD

1 stop6h 56mAmerican Airlines

Deal found 3/20

$381

Tue 5/66:52 pmIAD - BIL

1 stop6h 20mDelta

Tue 5/135:20 amBIL - IAD

2 stops10h 43mDelta

Deal found 3/21

$386

Fri 4/184:00 pmIAD - BIL

1 stop8h 44mUnited Airlines

Fri 4/2510:50 amBIL - IAD

1 stop8h 34mUnited Airlines

Deal found 3/20

$479

Sun 4/207:30 amIAD - BIL

2 stops27h 40mMultiple Airlines

Sat 4/265:35 pmBIL - IAD

3 stops39h 02mMultiple Airlines

Deal found 3/20

$641

Last-minute flights from Dulles Intl to Billings
Discover last-minute flight deals from Dulles Intl to Billings. Data last updated March 21, 2025 and is based on user searches.

Wed 3/267:00 amIAD - BIL

1 stop18h 19mAlaska Airlines

Wed 4/21:22 pmBIL - IAD

1 stop14h 12mAlaska Airlines

Deal found 3/21

$685

Wed 3/263:05 pmIAD - BIL

2 stops11h 11mDelta

Wed 4/26:26 pmBIL - IAD

2 stops12h 52mDelta

Deal found 3/21

$726

Sun 3/3010:01 amIAD - BIL

1 stop9h 13mUnited Airlines

Wed 4/25:00 amBIL - IAD

1 stop6h 29mUnited Airlines

Deal found 3/19

$561

Sun 3/309:20 amIAD - BIL

2 stops15h 11mAmerican Airlines

Wed 4/27:00 amBIL - IAD

1 stop7h 20mAmerican Airlines

Deal found 3/19

$566

Fri 4/184:00 pmIAD - BIL

1 stop8h 44mUnited Airlines

Fri 4/2510:50 amBIL - IAD

1 stop8h 34mUnited Airlines

Deal found 3/20

$479

Fri 4/187:00 amIAD - BIL

1 stop18h 19mAlaska Airlines

Fri 4/253:47 pmBIL - IAD

2 stops13h 56mAlaska Airlines

Deal found 3/20

$481

Sun 4/206:18 amIAD - BIL

1 stop9h 10mAmerican Airlines

Sat 4/262:02 pmBIL - IAD

1 stop6h 40mAmerican Airlines

Deal found 3/20

$385

Sun 4/206:00 amIAD - BIL

2 stops13h 46mDelta

Sat 4/265:20 amBIL - IAD

2 stops10h 02mDelta

Deal found 3/20

$463

Sun 4/207:30 amIAD - BIL

2 stops27h 40mMultiple Airlines

Sat 4/265:35 pmBIL - IAD

3 stops39h 02mMultiple Airlines

Deal found 3/20

$641

One-way flights from Dulles Intl to Billings
Search for one-way flight options from Dulles Intl to Billings. Find affordable one-way fares based on user searches. Data last updated March 21, 2025.

Tue 4/88:30 amIAD - BIL

1 stop6h 48mUnited Airlines

Deal found 3/20

$256

Tue 4/85:00 amIAD - BIL

2 stops10h 28mAmerican Airlines

Deal found 3/20

$261

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

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-11:58 pm

1 stop8h 24m

$380

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-10:54 pm

1 stop6h 56m

$381

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

$386

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 4/18

4:00 pm-10:44 pm

1 stop8h 44m

Billings Logan Intl

Fri 4/25

10:50 am-9:24 pm

1 stop8h 34m

$479

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sun 4/20

7:30 am-9:10 am

2 stops27h 40m

Billings Logan Intl

Sat 4/26

5:35 pm-10:37 am

3 stops39h 02m

$641

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 4/8

8:30 am-1:18 pm

1 stop6h 48m

$256

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 4/8

5:00 am-1:28 pm

2 stops10h 28m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Compare providers for flights from Dulles Intl to Billings

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 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 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?

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

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

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

Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Washington, D.C. to Billings. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,759 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,759 reviews

Alaska Airlines

8.0

Very good

9,759 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,895 reviews

Alaska Airlines

8.0

Very good

9,759 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,605 reviews

Alaska Airlines

8.0

Very good

9,759 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,759 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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 $380, Alaska Airlines will fly you from Washington, D.C. Dulles Intl Airport to Billings and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $381 and $386, respectively. Alaska Airlines is priced at 34% lower than the current average price of a flight leaving 3 months from now.
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 $598). 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

Browse thousands of different options on Cheapflights for your next trip

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Other flights to Billings

Top 3 airlines flying from Dulles Intl to Billings

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$236	Average$603	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$370	Average$516	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$451	Average$607	FlexibilityNo cancel fee	On-time69%

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$256+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Billings with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to Billings

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Round-trip from

One-way from

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Cheapest in

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Find flight deals from Dulles Intl to Billings

Cheapest flights from Dulles Intl to BillingsExplore 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 March 21, 2025.

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 March 21, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Billings that are best for you.

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 March.

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.

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 March 21, 2025.

Rainfall in Billings by month

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

Temperature in Billings by month

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

Reviews of airlines servicing Billings

Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Washington, D.C. to Billings. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Billings

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Dulles Intl to Billings

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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 March 21, 2025.