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Cheap flights from Washington, D.C. Dulles Intl Airport to Billings from $225

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 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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
9:35 am - 6:52 pm
IAD
-
BIL
11h 17m
1 stop
Alaska Airlines Logo
12:05 pm - 11:59 pm
BIL
-
IAD
9h 54m
1 stop
$349Alaska Airlines
Tue, Oct 27 - Sat, Oct 31
Delta Logo
2:23 pm - 8:12 pm
IAD
-
BIL
7h 49m
1 stop
Delta Logo
6:25 pm - 9:10 am
BIL
-
IAD
12h 45m
2 stops
$354Delta
Sat, Aug 29 - Wed, Sep 9
United Airlines Logo
10:10 am - 5:16 pm
IAD
-
BIL
9h 06m
1 stop
United Airlines Logo
4:07 pm - 12:32 am
BIL
-
IAD
6h 25m
1 stop
$368United Airlines
Sat, Sep 19 - Mon, Sep 21
United Airlines Logo
6:15 am - 11:02 am
IAD
-
BIL
6h 47m
1 stop
United Airlines Logo
2:29 pm - 12:32 am
BIL
-
IAD
8h 03m
1 stop
$370United Airlines
Sat, Aug 29 - Thu, Sep 3
Delta Logo
6:49 pm - 11:30 pm
IAD
-
BIL
6h 41m
1 stop
Delta Logo
6:26 am - 8:55 pm
BIL
-
IAD
12h 29m
2 stops
$374Delta
Tue, Aug 18 - Fri, Aug 28
Delta Logo
6:49 pm - 11:30 pm
IAD
-
BIL
6h 41m
1 stop
Delta Logo
6:33 pm - 9:20 am
BIL
-
IAD
12h 47m
2 stops
$379Delta
Fri, Aug 14 - Tue, Aug 25
Delta Logo
12:29 pm - 10:25 pm
IAD
-
BIL
11h 56m
2 stops
Delta Logo
6:26 am - 8:54 pm
BIL
-
IAD
12h 28m
2 stops
$385Delta
Tue, Aug 18 - Fri, Aug 28
Delta Logo
2:23 pm - 8:12 pm
IAD
-
BIL
7h 49m
1 stop
Delta Logo
6:15 am - 1:28 pm
BIL
-
IAD
5h 13m
1 stop
$393Delta
Sat, Aug 29 - Wed, Sep 9
Delta Logo
6:49 pm - 11:30 pm
IAD
-
BIL
6h 41m
1 stop
Delta Logo
6:33 pm - 11:49 am
BIL
-
IAD
15h 16m
2 stops
$399Delta
Fri, Aug 14 - Tue, Aug 18
Delta Logo
12:29 pm - 10:53 pm
IAD
-
BIL
12h 24m
2 stops
Delta Logo
6:25 pm - 9:10 am
BIL
-
IAD
12h 45m
2 stops
$403Delta
Sat, Aug 29 - Wed, Sep 9

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
Sep 19
IAD10:10 amWashington, D.C. Dulles Intl
9h 06m
1 stop
BIL5:16 pmBillings Logan Intl
Sep 21
BIL4:07 pmBillings Logan Intl
6h 25m
1 stop
IAD12:32 amWashington, D.C. Dulles Intl
$368
United Airlines
Aug 29
IAD6:15 amWashington, D.C. Dulles Intl
6h 47m
1 stop
BIL11:02 amBillings Logan Intl
Sep 3
BIL2:29 pmBillings Logan Intl
8h 03m
1 stop
IAD12:32 amWashington, D.C. Dulles Intl
$370
United Airlines
Aug 19
IAD2:43 pmWashington, D.C. Dulles Intl
8h 17m
1 stop
BIL9:00 pmBillings Logan Intl
Aug 22
BIL5:00 amBillings Logan Intl
6h 30m
1 stop
IAD1:30 pmWashington, D.C. Dulles Intl
$419

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
Aug 29
IAD2:23 pmWashington, D.C. Dulles Intl
7h 49m
1 stop
BIL8:12 pmBillings Logan Intl
Sep 9
BIL6:25 pmBillings Logan Intl
12h 45m
2 stops
IAD9:10 amWashington, D.C. Dulles Intl
$354
Delta
Aug 18
IAD6:49 pmWashington, D.C. Dulles Intl
6h 41m
1 stop
BIL11:30 pmBillings Logan Intl
Aug 28
BIL6:26 amBillings Logan Intl
12h 29m
2 stops
IAD8:55 pmWashington, D.C. Dulles Intl
$374
Delta
Aug 14
IAD6:49 pmWashington, D.C. Dulles Intl
6h 41m
1 stop
BIL11:30 pmBillings Logan Intl
Aug 25
BIL6:33 pmBillings Logan Intl
12h 47m
2 stops
IAD9:20 amWashington, D.C. Dulles Intl
$379

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 June 8, 2026.
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

Cheapest round-trip

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 10/27

9:35 am-6:52 pm

1 stop11h 17m

Billings Logan Intl

Sat 10/31

12:05 pm-11:59 pm

1 stop9h 54m

$349

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 8/29

2:23 pm-8:12 pm

1 stop7h 49m

Billings Logan Intl

Wed 9/9

6:25 pm-9:10 am

2 stops12h 45m

$354

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 9/19

10:10 am-5:16 pm

1 stop9h 06m

Billings Logan Intl

Mon 9/21

4:07 pm-12:32 am

1 stop6h 25m

$368

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 8/29

6:15 am-11:02 am

1 stop6h 47m

Billings Logan Intl

Thu 9/3

2:29 pm-12:32 am

1 stop8h 03m

$370

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 8/18

6:49 pm-11:30 pm

1 stop6h 41m

Billings Logan Intl

Fri 8/28

6:26 am-8:55 pm

2 stops12h 29m

$374

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 8/14

6:49 pm-11:30 pm

1 stop6h 41m

Billings Logan Intl

Tue 8/25

6:33 pm-9:20 am

2 stops12h 47m

$379

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 8/18

12:29 pm-10:25 pm

2 stops11h 56m

Billings Logan Intl

Fri 8/28

6:26 am-8:54 pm

2 stops12h 28m

$385
Quickest round-trip

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 8/29

2:23 pm-8:12 pm

1 stop7h 49m

Billings Logan Intl

Wed 9/9

6:15 am-1:28 pm

1 stop5h 13m

$393

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 8/14

6:49 pm-11:30 pm

1 stop6h 41m

Billings Logan Intl

Tue 8/18

6:33 pm-11:49 am

2 stops15h 16m

$399

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 8/29

12:29 pm-10:53 pm

2 stops12h 24m

Billings Logan Intl

Wed 9/9

6:25 pm-9:10 am

2 stops12h 45m

$403

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Billings?

What is the cheapest month to fly to Billings?

The month of November is, on average, the cheapest month to fly to Billings from Washington, D.C. Dulles Intl Airport, with most prices found around $0. The month of March is another great option to travel to Billings, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $0.

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

You could potentially save up to 41% 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

Fastest flight time

6h 24m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Billings takes 6h 24m
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.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Billings

  • 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 24m.

  • 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 $333Free CancellationRating
7.4
9,777 reviews
Search United Airlines flights

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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.

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