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Cheap flights from Washington, D.C. Dulles Intl Airport to Billings from $205

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Billings departing on 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Billings

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:43 am - 12:07 amIAD-BIL
18h 24m1 stop
Alaska Airlines Logo
6:00 am - 4:40 pmBIL-IAD
8h 40m1 stop
$384Alaska Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Delta Logo
6:59 pm - 11:24 pmIAD-BIL
6h 25m1 stop
Delta Logo
6:25 am - 2:31 pmBIL-IAD
6h 06m1 stop
$409Delta
Find Deal
Mon, Nov 24 - Thu, Nov 27
Delta Logo
6:59 pm - 11:24 pmIAD-BIL
6h 25m1 stop
Delta Logo
5:18 am - 6:19 pmBIL-IAD
11h 01m2 stops
$414Delta
Find Deal
Wed, Nov 12 - Wed, Nov 19
Delta Logo
5:03 pm - 12:10 amIAD-BIL
9h 07m2 stops
Delta Logo
5:18 am - 6:19 pmBIL-IAD
11h 01m2 stops
$419Delta
Find Deal
Wed, Nov 12 - Wed, Nov 19
United Airlines Logo
4:08 pm - 8:51 pmIAD-BIL
6h 43m1 stop
United Airlines Logo
5:00 am - 1:27 pmBIL-IAD
6h 27m1 stop
$426United Airlines
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Sat, Apr 4 - Sat, Apr 11
Delta Logo
6:59 pm - 11:24 pmIAD-BIL
6h 25m1 stop
Delta Logo
6:25 am - 1:28 pmBIL-IAD
5h 03m1 stop
$445Delta
Find Deal
Mon, Nov 24 - Fri, Nov 28
Delta Logo
6:15 am - 11:04 amIAD-BIL
6h 49m1 stop
Delta Logo
11:42 am - 11:03 pmBIL-IAD
9h 21m2 stops
$450Delta
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Thu, Nov 6 - Wed, Nov 12
United Airlines Logo
2:25 pm - 9:18 pmIAD-BIL
8h 53m1 stop
United Airlines Logo
5:00 am - 1:21 pmBIL-IAD
6h 21m1 stop
$499United Airlines
Find Deal
Sun, Nov 23 - Thu, Nov 27
American Airlines Logo
6:11 am - 1:22 pmIAD-BIL
9h 11m1 stop
American Airlines Logo
6:00 am - 4:11 pmBIL-IAD
8h 11m1 stop
$556American Airlines
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Tue, Oct 28 - Tue, Nov 4
American Airlines Logo
10:25 am - 9:53 pmIAD-BIL
13h 28m2 stops
American Airlines Logo
6:00 am - 4:11 pmBIL-IAD
8h 11m1 stop
$561American Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4

Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to Billings

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Billings flight tickets
Alaska Airlines
Nov 12
IAD7:43 amWashington, D.C. Dulles Intl
18h 24m
1 stop
BIL12:07 amBillings Logan Intl
Nov 19
BIL6:00 amBillings Logan Intl
8h 40m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
$384
Find similar
Alaska Airlines
Nov 6
IAD7:43 amWashington, D.C. Dulles Intl
18h 24m
1 stop
BIL12:07 amBillings Logan Intl
Nov 12
BIL2:00 pmBillings Logan Intl
14h 23m
1 stop
IAD6:23 amWashington, D.C. Dulles Intl
$453
Find similar
Alaska Airlines
Nov 13
IAD7:43 amWashington, D.C. Dulles Intl
18h 24m
1 stop
BIL12:07 amBillings Logan Intl
Nov 20
BIL7:19 pmBillings Logan Intl
8h 59m
1 stop
IAD6:18 amWashington, D.C. Dulles Intl
$454
Find similar

United Airlines flights from Washington, D.C. Dulles Intl Airport to Billings

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Billings flight tickets
United Airlines
Apr 4
IAD4:08 pmWashington, D.C. Dulles Intl
6h 43m
1 stop
BIL8:51 pmBillings Logan Intl
Apr 11
BIL5:00 amBillings Logan Intl
6h 27m
1 stop
IAD1:27 pmWashington, D.C. Dulles Intl
$426
Find similar
United Airlines
Nov 23
IAD2:25 pmWashington, D.C. Dulles Intl
8h 53m
1 stop
BIL9:18 pmBillings Logan Intl
Nov 27
BIL5:00 amBillings Logan Intl
6h 21m
1 stop
IAD1:21 pmWashington, D.C. Dulles Intl
$499
Find similar
United Airlines
Nov 23
IAD2:25 pmWashington, D.C. Dulles Intl
8h 53m
1 stop
BIL9:18 pmBillings Logan Intl
Nov 26
BIL2:31 pmBillings Logan Intl
6h 44m
1 stop
IAD11:15 pmWashington, D.C. Dulles Intl
$543
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated October 16, 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

Fly to

Route

Depart

Return

Price

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Wed 11/12

7:43 am-12:07 am

1 stop18h 24m

Billings Logan Intl

Wed 11/19

6:00 am-4:40 pm

1 stop8h 40m

$384

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Mon 11/24

6:59 pm-11:24 pm

1 stop6h 25m

Billings Logan Intl

Thu 11/27

6:25 am-2:31 pm

1 stop6h 06m

$409

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Wed 11/12

6:59 pm-11:24 pm

1 stop6h 25m

Billings Logan Intl

Wed 11/19

5:18 am-6:19 pm

2 stops11h 01m

$414

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Wed 11/12

5:03 pm-12:10 am

2 stops9h 07m

Billings Logan Intl

Wed 11/19

5:18 am-6:19 pm

2 stops11h 01m

$419

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 4/4

4:08 pm-8:51 pm

1 stop6h 43m

Billings Logan Intl

Sat 4/11

5:00 am-1:27 pm

1 stop6h 27m

$426

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Mon 11/24

6:59 pm-11:24 pm

1 stop6h 25m

Billings Logan Intl

Fri 11/28

6:25 am-1:28 pm

1 stop5h 03m

$445

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Thu 11/6

6:15 am-11:04 am

1 stop6h 49m

Billings Logan Intl

Wed 11/12

11:42 am-11:03 pm

2 stops9h 21m

$450

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sun 11/23

2:25 pm-9:18 pm

1 stop8h 53m

Billings Logan Intl

Thu 11/27

5:00 am-1:21 pm

1 stop6h 21m

$499

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 10/28

6:11 am-1:22 pm

1 stop9h 11m

Billings Logan Intl

Tue 11/4

6:00 am-4:11 pm

1 stop8h 11m

$556

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 10/28

10:25 am-9:53 pm

2 stops13h 28m

Billings Logan Intl

Tue 11/4

6:00 am-4:11 pm

1 stop8h 11m

$561

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Billings from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Billings

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Billings?

Our data shows that Tuesday is the least expensive day to fly to Billings. Tickets to fly out on this day can be as low as $568. Flights from Washington, D.C. Dulles Intl Airport to Billings on a Sunday will generally be more expensive and average around $727. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Billings?

According to our data, the cheapest time of day to fly to Billings is at noon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Billings at noon for as low as $596. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Billings, so prices are often more expensive at around $630 per ticket.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Billings flights?

You could potentially save up to 33% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Billings flight.

When to book flights from Washington, D.C. Dulles Intl Airport to Billings

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Billings according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Billings (IAD to BIL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Billings

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Billings. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Billings.
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  • How far is Washington, D.C. Dulles Intl to Billings Logan Intl by plane?

    Billings Logan Intl is 1641.1 mi away from Washington, D.C. Dulles Intl. A reasonable flight in good conditions will take 6h 25m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Billings Logan Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Billings Logan Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Billings Logan Intl Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Billings Logan Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Billings Logan Intl Airport.

  • What documentation or ID do you need to fly to Billings Logan Intl Airport?

    The necessary travel and health documents for your Billings Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Billings?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Billings

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Billings with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $434Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights

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Why should I use momondo to find a flight deal from Washington, D.C. to Billings?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Billings. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Billings with flexible booking policies on momondo?

momondo does allow users to show only those flights to Billings from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Billings?

Once you have performed a search for Washington, D.C. to Billings flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Billings right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Billings flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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