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Cheap flights from Washington, D.C. Dulles Intl Airport to Billings from $246

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 7/21. 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.
American Airlines Logo
2:53 pm - 10:44 pm
IAD
-
BIL
9h 51m
1 stop
American Airlines Logo
7:00 am - 5:54 pm
BIL
-
IAD
8h 54m
1 stop
$349American Airlines
Sat, Aug 29 - Wed, Sep 9
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
Delta Logo
10:21 am - 5:52 pm
IAD
-
BIL
9h 31m
2 stops
Delta Logo
6:34 pm - 11:49 am
BIL
-
IAD
15h 15m
2 stops
$359Delta
Wed, Jul 29 - Wed, Aug 5
Delta Logo
6:49 pm - 11:30 pm
IAD
-
BIL
6h 41m
1 stop
Delta Logo
11:51 am - 12:34 am
BIL
-
IAD
10h 43m
2 stops
$379Delta
Fri, Aug 14 - Tue, Aug 25
Delta Logo
12:29 pm - 10:36 pm
IAD
-
BIL
12h 07m
2 stops
Delta Logo
6:25 pm - 9:10 am
BIL
-
IAD
12h 45m
2 stops
$384Delta
Sat, Aug 29 - Wed, Sep 9
Alaska Airlines Logo
5:57 pm - 11:38 am
IAD
-
BIL
19h 41m
1 stop
Alaska Airlines Logo
6:14 am - 4:54 pm
BIL
-
IAD
8h 40m
1 stop
$399Alaska Airlines
Tue, Sep 8 - Fri, Sep 11
Alaska Airlines Logo
9:03 am - 11:29 pm
IAD
-
BIL
16h 26m
1 stop
Alaska Airlines Logo
7:29 pm - 5:40 am
BIL
-
IAD
8h 11m
1 stop
$400Alaska Airlines
Sat, Sep 12 - Thu, Sep 17
Multiple Airlines Logo
1:38 pm - 4:55 pm
IAD
-
BIL
29h 17m
2 stops
Multiple Airlines Logo
8:58 pm - 7:50 am
BIL
-
IAD
8h 52m
1 stop
$403Multiple Airlines
Thu, Aug 20 - Mon, Aug 24
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
$414Delta
Sat, Aug 29 - Wed, Sep 9
United Airlines Logo
6:30 am - 1:22 pm
IAD
-
BIL
8h 52m
1 stop
United Airlines Logo
4:10 pm - 12:45 am
BIL
-
IAD
6h 35m
1 stop
$416United Airlines
Sat, Jul 4 - Fri, Jul 10

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Billings flight tickets
American Airlines
Aug 29
IAD2:53 pmWashington, D.C. Dulles Intl
9h 51m
1 stop
BIL10:44 pmBillings Logan Intl
Sep 9
BIL7:00 amBillings Logan Intl
8h 54m
1 stop
IAD5:54 pmWashington, D.C. Dulles Intl
$349
American Airlines
May 31
IAD6:18 amWashington, D.C. Dulles Intl
8h 35m
1 stop
BIL12:53 pmBillings Logan Intl
Jun 30
BIL12:53 pmBillings Logan Intl
9h 06m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
$523
American Airlines
Jul 29
IAD5:03 amWashington, D.C. Dulles Intl
9h 16m
2 stops
BIL12:19 pmBillings Logan Intl
Aug 5
BIL1:13 pmBillings Logan Intl
26h 35m
1 stop
IAD5:48 pmWashington, D.C. Dulles Intl
$595

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
Jul 4
IAD6:30 amWashington, D.C. Dulles Intl
8h 52m
1 stop
BIL1:22 pmBillings Logan Intl
Jul 10
BIL4:10 pmBillings Logan Intl
6h 35m
1 stop
IAD12:45 amWashington, D.C. Dulles Intl
$416
United Airlines
May 26
IAD5:41 pmWashington, D.C. Dulles Intl
7h 10m
1 stop
BIL10:51 pmBillings Logan Intl
Jun 2
BIL5:00 amBillings Logan Intl
6h 26m
1 stop
IAD1:26 pmWashington, D.C. Dulles Intl
$437
United Airlines
Jun 29
IAD6:30 amWashington, D.C. Dulles Intl
8h 52m
1 stop
BIL1:22 pmBillings Logan Intl
Jul 9
BIL4:10 pmBillings Logan Intl
6h 35m
1 stop
IAD12:45 amWashington, D.C. Dulles Intl
$480

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 May 25, 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

Sat 8/29

2:53 pm-10:44 pm

1 stop9h 51m

Billings Logan Intl

Wed 9/9

7:00 am-5:54 pm

1 stop8h 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

Wed 7/29

10:21 am-5:52 pm

2 stops9h 31m

Billings Logan Intl

Wed 8/5

6:34 pm-11:49 am

2 stops15h 15m

$359

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

11:51 am-12:34 am

2 stops10h 43m

$379

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 8/29

12:29 pm-10:36 pm

2 stops12h 07m

Billings Logan Intl

Wed 9/9

6:25 pm-9:10 am

2 stops12h 45m

$384

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Tue 9/8

5:57 pm-11:38 am

1 stop19h 41m

Billings Logan Intl

Fri 9/11

6:14 am-4:54 pm

1 stop8h 40m

$399

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 9/12

9:03 am-11:29 pm

1 stop16h 26m

Billings Logan Intl

Thu 9/17

7:29 pm-5:40 am

1 stop8h 11m

$400

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Thu 8/20

1:38 pm-4:55 pm

2 stops29h 17m

Billings Logan Intl

Mon 8/24

8:58 pm-7:50 am

1 stop8h 52m

$403
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

$414

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 7/4

6:30 am-1:22 pm

1 stop8h 52m

Billings Logan Intl

Fri 7/10

4:10 pm-12:45 am

1 stop6h 35m

$416

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 53% 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 16m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Billings takes 6h 16m
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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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 16m.

  • 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 $388Free CancellationRating
7.4
9,747 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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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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