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Cheap flights from Washington, D.C. Dulles Intl Airport to Billings from $195

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 9/16. 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

Alaska Airlines Logo
7:43 am - 3:00 pmIAD-BIL
9h 17m1 stop
Alaska Airlines Logo
2:00 pm - 6:23 amBIL-IAD
14h 23m1 stop
$388Alaska Airlines
Find Deal
Sat, Nov 1 - Wed, Nov 5
United Airlines Logo
6:35 am - 11:16 amIAD-BIL
6h 41m1 stop
United Airlines Logo
11:58 am - 8:55 pmBIL-IAD
6h 57m1 stop
$389United Airlines
Find Deal
Mon, Sep 22 - Wed, Oct 1
Delta Logo
3:00 pm - 7:42 pmIAD-BIL
6h 42m1 stop
Delta Logo
6:25 am - 4:57 pmBIL-IAD
8h 32m2 stops
$394Delta
Find Deal
Sat, Nov 1 - Wed, Nov 5
Delta Logo
3:00 pm - 11:05 pmIAD-BIL
10h 05m2 stops
Delta Logo
11:45 am - 11:39 pmBIL-IAD
9h 54m2 stops
$399Delta
Find Deal
Sat, Nov 1 - Wed, Nov 5
Hawaiian Airlines Logo
7:43 am - 3:00 pmIAD-BIL
9h 17m1 stop
Hawaiian Airlines Logo
6:00 am - 5:34 pmBIL-IAD
9h 34m1 stop
$414Hawaiian Airlines
Find Deal
Tue, Nov 18 - Sun, Nov 23
Delta Logo
6:59 pm - 11:19 pmIAD-BIL
6h 20m1 stop
Delta Logo
5:45 am - 4:36 pmBIL-IAD
8h 51m2 stops
$419Delta
Find Deal
Wed, Nov 26 - Wed, Dec 3
American Airlines Logo
8:09 pm - 1:30 pmIAD-BIL
19h 21m2 stops
American Airlines Logo
1:58 pm - 8:44 amBIL-IAD
16h 46m2 stops
$433American Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3
American Airlines Logo
12:48 pm - 10:39 pmIAD-BIL
11h 51m2 stops
American Airlines Logo
1:54 pm - 10:51 pmBIL-IAD
6h 57m1 stop
$484American Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
Hawaiian Airlines Logo
6:25 am - 3:04 pmIAD-BIL
10h 39m1 stop
Hawaiian Airlines Logo
7:15 pm - 7:33 amBIL-IAD
10h 18m1 stop
$497Hawaiian Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13
United Airlines Logo
10:25 am - 5:16 pmIAD-BIL
8h 51m1 stop
United Airlines Logo
2:35 pm - 11:17 pmBIL-IAD
6h 42m1 stop
$515United Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22

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 1
IAD7:43 amWashington, D.C. Dulles Intl
9h 17m
1 stop
BIL3:00 pmBillings Logan Intl
Nov 5
BIL2:00 pmBillings Logan Intl
14h 23m
1 stop
IAD6:23 amWashington, D.C. Dulles Intl
$388
Find similar
Alaska Airlines
Oct 4
IAD6:25 amWashington, D.C. Dulles Intl
14h 10m
1 stop
BIL6:35 pmBillings Logan Intl
Oct 7
BIL6:00 amBillings Logan Intl
16h 23m
1 stop
IAD12:23 amWashington, D.C. Dulles Intl
$432
Find similar
Alaska Airlines
Nov 3
IAD5:40 pmWashington, D.C. Dulles Intl
26h 59m
2 stops
BIL6:39 pmBillings Logan Intl
Nov 10
BIL7:19 pmBillings Logan Intl
9h 04m
1 stop
IAD6:23 amWashington, D.C. Dulles Intl
$437
Find similar

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Billings flight tickets
Delta
Nov 1
IAD3:00 pmWashington, D.C. Dulles Intl
6h 42m
1 stop
BIL7:42 pmBillings Logan Intl
Nov 5
BIL6:25 amBillings Logan Intl
8h 32m
2 stops
IAD4:57 pmWashington, D.C. Dulles Intl
$394
Find similar
Delta
Nov 1
IAD3:00 pmWashington, D.C. Dulles Intl
10h 05m
2 stops
BIL11:05 pmBillings Logan Intl
Nov 5
BIL11:45 amBillings Logan Intl
9h 54m
2 stops
IAD11:39 pmWashington, D.C. Dulles Intl
$399
Find similar
Delta
Nov 26
IAD6:59 pmWashington, D.C. Dulles Intl
6h 20m
1 stop
BIL11:19 pmBillings Logan Intl
Dec 3
BIL5:45 amBillings Logan Intl
8h 51m
2 stops
IAD4:36 pmWashington, D.C. Dulles Intl
$419
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 August 28, 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

Sat 11/1

7:43 am-3:00 pm

1 stop9h 17m

Billings Logan Intl

Wed 11/5

2:00 pm-6:23 am

1 stop14h 23m

$388

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Mon 9/22

6:35 am-11:16 am

1 stop6h 41m

Billings Logan Intl

Wed 10/1

11:58 am-8:55 pm

1 stop6h 57m

$389

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 11/1

3:00 pm-7:42 pm

1 stop6h 42m

Billings Logan Intl

Wed 11/5

6:25 am-4:57 pm

2 stops8h 32m

$394

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 11/1

3:00 pm-11:05 pm

2 stops10h 05m

Billings Logan Intl

Wed 11/5

11:45 am-11:39 pm

2 stops9h 54m

$399

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 11/18

7:43 am-3:00 pm

1 stop9h 17m

Billings Logan Intl

Sun 11/23

6:00 am-5:34 pm

1 stop9h 34m

$414

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Wed 11/26

6:59 pm-11:19 pm

1 stop6h 20m

Billings Logan Intl

Wed 12/3

5:45 am-4:36 pm

2 stops8h 51m

$419

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Wed 11/26

8:09 pm-1:30 pm

2 stops19h 21m

Billings Logan Intl

Wed 12/3

1:58 pm-8:44 am

2 stops16h 46m

$433

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 10/4

12:48 pm-10:39 pm

2 stops11h 51m

Billings Logan Intl

Tue 10/7

1:54 pm-10:51 pm

1 stop6h 57m

$484

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Thu 10/9

6:25 am-3:04 pm

1 stop10h 39m

Billings Logan Intl

Mon 10/13

7:15 pm-7:33 am

1 stop10h 18m

$497

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Mon 9/15

10:25 am-5:16 pm

1 stop8h 51m

Billings Logan Intl

Mon 9/22

2:35 pm-11:17 pm

1 stop6h 42m

$515

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 28% 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 05m.

  • 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 $451Free CancellationRating
7.4
8,944 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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