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

Currently priced at $388, 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 Delta and American Airlines - these airlines can fly you to your destination from $389 and $399, respectively. Alaska Airlines is priced at 27% 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 $194 on Hawaiian Airlines. Other airlines that offer cheap prices include American Airlines from $195 and Delta from $200 one-way.

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

Currently, January 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 $512). 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.

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.

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).

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 $591 per person but you can even find prices for as low as $441. The most expensive prices can be found in the month of March. Opting for a November flight can save you 16% on your journey compared to booking in March

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 2 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.

$194+ Flights from Washington, D.C. Dulles Intl Airport to Billings

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Cheap flight deals from Dulles Intl to Billings

Round-trip from	$388 (Alaska Airlines)
One-way from	$194 (Hawaiian Airlines)
Popular in	November
Cheapest in	April
Average price	$609

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. 11% potential increase in price ($72 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 28, 2025.

Sat 10/46:25 amIAD - BIL

1 stop10h 39mAlaska Airlines

Tue 10/71:59 pmBIL - IAD

1 stop8h 24mAlaska Airlines

Deal found 7/27

$388

Sat 9/132:15 pmIAD - BIL

1 stop7h 29mDelta

Sat 9/206:25 amBIL - IAD

1 stop5h 05mDelta

Deal found 7/27

$389

Fri 8/2210:25 amIAD - BIL

2 stops14h 35mAmerican Airlines

Wed 8/277:00 amBIL - IAD

2 stops9h 52mAmerican Airlines

Deal found 7/27

$399

Sun 8/2410:25 amIAD - BIL

1 stop8h 51mUnited Airlines

Sat 8/302:35 pmBIL - IAD

1 stop6h 42mUnited Airlines

Deal found 7/26

$479

Fri 8/297:00 amIAD - BIL

1 stop10h 03mHawaiian Airlines

Tue 9/27:18 pmBIL - IAD

1 stop10h 15mHawaiian Airlines

Deal found 7/28

$524

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 July 28, 2025.

Sat 10/46:25 amIAD - BIL

1 stop10h 39mAlaska Airlines

Tue 10/71:59 pmBIL - IAD

1 stop8h 24mAlaska Airlines

Deal found 7/27

$388

Sat 9/132:15 pmIAD - BIL

1 stop7h 29mDelta

Sat 9/206:25 amBIL - IAD

1 stop5h 05mDelta

Deal found 7/27

$389

Fri 8/2210:25 amIAD - BIL

2 stops14h 35mAmerican Airlines

Wed 8/277:00 amBIL - IAD

2 stops9h 52mAmerican Airlines

Deal found 7/27

$399

Sun 8/2410:25 amIAD - BIL

1 stop8h 51mUnited Airlines

Sat 8/302:35 pmBIL - IAD

1 stop6h 42mUnited Airlines

Deal found 7/26

$479

Fri 8/297:00 amIAD - BIL

1 stop10h 03mHawaiian Airlines

Tue 9/27:18 pmBIL - IAD

1 stop10h 15mHawaiian Airlines

Deal found 7/28

$524

Last-minute flights from Dulles Intl to Billings
Discover last-minute flight deals from Dulles Intl to Billings. Data last updated July 28, 2025 and is based on user searches.

Wed 8/66:30 amIAD - BIL

1 stop10h 35mHawaiian Airlines

Sun 8/107:17 pmBIL - IAD

1 stop10h 10mHawaiian Airlines

Deal found 7/26

$1,715

Fri 8/226:27 amIAD - BIL

1 stop8h 55mAmerican Airlines

Wed 8/275:49 amBIL - IAD

2 stops11h 03mAmerican Airlines

Deal found 7/26

$394

Fri 8/226:50 pmIAD - BIL

1 stop6h 22mDelta

Wed 8/276:25 amBIL - IAD

1 stop5h 00mDelta

Deal found 7/28

$414

Sat 8/233:48 pmIAD - BIL

1 stop6h 46mUnited Airlines

Sat 8/302:35 pmBIL - IAD

1 stop6h 42mUnited Airlines

Deal found 7/25

$389

Fri 8/297:00 amIAD - BIL

1 stop10h 03mHawaiian Airlines

Tue 9/27:18 pmBIL - IAD

1 stop10h 15mHawaiian Airlines

Deal found 7/28

$524

Fri 8/297:00 amIAD - BIL

1 stop10h 03mAlaska Airlines

Sat 9/133:43 pmBIL - IAD

2 stops13h 50mAlaska Airlines

Deal found 7/27

$567

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 July 28, 2025.

Sat 9/137:00 amIAD - BIL

1 stop10h 03mHawaiian Airlines

Deal found 7/27

$194

Fri 9/56:25 amIAD - BIL

1 stop9h 04mAmerican Airlines

Deal found 7/26

$195

Fri 9/53:26 pmIAD - BIL

2 stops9h 46mDelta

Deal found 7/27

$200

Fri 9/52:39 pmIAD - BIL

1 stop7h 55mUnited Airlines

Deal found 7/28

$240

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

Sat 10/4

6:25 am-3:04 pm

1 stop10h 39m

Billings Logan Intl

Tue 10/7

1:59 pm-12:23 am

1 stop8h 24m

$388

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 9/13

2:15 pm-7:44 pm

1 stop7h 29m

Billings Logan Intl

Sat 9/20

6:25 am-1:30 pm

1 stop5h 05m

$389

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 8/22

10:25 am-11:00 pm

2 stops14h 35m

Billings Logan Intl

Wed 8/27

7:00 am-6:52 pm

2 stops9h 52m

$399

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sun 8/24

10:25 am-5:16 pm

1 stop8h 51m

Billings Logan Intl

Sat 8/30

2:35 pm-11:17 pm

1 stop6h 42m

$479

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 8/29

7:00 am-3:03 pm

1 stop10h 03m

Billings Logan Intl

Tue 9/2

7:18 pm-7:33 am

1 stop10h 15m

$524

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 9/13

7:00 am-3:03 pm

1 stop10h 03m

$194

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 9/5

6:25 am-1:29 pm

1 stop9h 04m

$195

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 9/5

3:26 pm-11:12 pm

2 stops9h 46m

$200

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 9/5

2:39 pm-8:34 pm

1 stop7h 55m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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.

Reviews of airlines servicing Billings

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Billings, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Delta

8.0

Very good

7,971 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Hawaiian Airlines

7.8

Good

2,604 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

United Airlines

7.4

Good

8,893 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 2 different airlines.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Billings round-trip?
Currently priced at $388, 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 Delta and American Airlines - these airlines can fly you to your destination from $389 and $399, respectively. Alaska Airlines is priced at 27% 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 $194 on Hawaiian Airlines. Other airlines that offer cheap prices include American Airlines from $195 and Delta from $200 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, January 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 $512). 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 2 airlines flying from Dulles Intl to Billings

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$370	Average$492	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$451	Average$517	FlexibilityNo cancel fee	On-time69%

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$194+ 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 9/13. 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

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Cheap flight deals from Dulles Intl to Billings

Round-trip from

One-way from

Popular in

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 July 28, 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 July 28, 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.

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 July 28, 2025.

Reviews of airlines servicing Billings

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Billings, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's 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?

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

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 2 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 July 28, 2025.