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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 7/4. 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
7:05 am - 11:38 pm
IAD
-
BIL
18h 33m1 stop
Alaska Airlines Logo
2:04 pm - 5:20 pm
BIL
-
IAD
25h 16m1 stop
$325Alaska Airlines
Sat, Feb 14 - Tue, Feb 17
Alaska Airlines Logo
6:27 pm - 2:52 pm
IAD
-
BIL
22h 25m1 stop
Alaska Airlines Logo
2:04 pm - 5:20 pm
BIL
-
IAD
25h 16m1 stop
$355Alaska Airlines
Fri, Feb 20 - Mon, Feb 23
Alaska Airlines Logo
7:05 am - 11:38 pm
IAD
-
BIL
18h 33m1 stop
Alaska Airlines Logo
3:32 pm - 5:20 pm
BIL
-
IAD
23h 48m2 stops
$373Alaska Airlines
Sat, Feb 14 - Wed, Feb 18
Alaska Airlines Logo
6:04 pm - 11:36 pm
IAD
-
BIL
31h 32m1 stop
Alaska Airlines Logo
3:35 pm - 4:26 pm
BIL
-
IAD
22h 51m1 stop
$374Alaska Airlines
Sat, Jan 31 - Wed, Feb 4
Alaska Airlines Logo
6:04 pm - 11:36 pm
IAD
-
BIL
31h 32m1 stop
Alaska Airlines Logo
2:02 pm - 4:26 pm
BIL
-
IAD
24h 24m1 stop
$394Alaska Airlines
Sat, Jan 31 - Sat, Feb 7
Alaska Airlines Logo
7:05 am - 1:24 pm
IAD
-
BIL
32h 19m2 stops
Alaska Airlines Logo
2:04 pm - 5:20 pm
BIL
-
IAD
25h 16m1 stop
$403Alaska Airlines
Fri, Feb 20 - Mon, Feb 23
United Airlines Logo
8:15 am - 1:23 pm
IAD
-
BIL
7h 08m1 stop
United Airlines Logo
2:35 pm - 11:19 pm
BIL
-
IAD
6h 44m1 stop
$409United Airlines
Fri, Feb 20 - Mon, Feb 23
Delta Logo
2:15 pm - 7:24 pm
IAD
-
BIL
7h 09m1 stop
Delta Logo
6:15 pm - 9:13 am
BIL
-
IAD
12h 58m2 stops
$414Delta
Wed, Jan 28 - Sun, Feb 1
Delta Logo
7:00 am - 5:30 pm
IAD
-
BIL
12h 30m2 stops
Delta Logo
6:15 pm - 9:13 am
BIL
-
IAD
12h 58m2 stops
$420Delta
Wed, Jan 28 - Sun, Feb 1
Alaska Airlines Logo
7:05 am - 11:38 pm
IAD
-
BIL
18h 33m1 stop
Alaska Airlines Logo
3:32 pm - 6:11 pm
BIL
-
IAD
24h 39m2 stops
$432Alaska Airlines
Sat, Mar 14 - Tue, Mar 17

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
Jan 28
IAD2:15 pmWashington, D.C. Dulles Intl
7h 09m
1 stop
BIL7:24 pmBillings Logan Intl
Feb 1
BIL6:15 pmBillings Logan Intl
12h 58m
2 stops
IAD9:13 amWashington, D.C. Dulles Intl
$414
Delta
Jan 28
IAD7:00 amWashington, D.C. Dulles Intl
12h 30m
2 stops
BIL5:30 pmBillings Logan Intl
Feb 1
BIL6:15 pmBillings Logan Intl
12h 58m
2 stops
IAD9:13 amWashington, D.C. Dulles Intl
$420
Delta
Jan 27
IAD2:15 pmWashington, D.C. Dulles Intl
7h 09m
1 stop
BIL7:24 pmBillings Logan Intl
Feb 2
BIL5:15 amBillings Logan Intl
11h 06m
2 stops
IAD6:21 pmWashington, D.C. Dulles Intl
$450

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
Feb 14
IAD7:05 amWashington, D.C. Dulles Intl
18h 33m
1 stop
BIL11:38 pmBillings Logan Intl
Feb 17
BIL2:04 pmBillings Logan Intl
25h 16m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
$325
Alaska Airlines
Feb 20
IAD6:27 pmWashington, D.C. Dulles Intl
22h 25m
1 stop
BIL2:52 pmBillings Logan Intl
Feb 23
BIL2:04 pmBillings Logan Intl
25h 16m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
$355
Alaska Airlines
Feb 14
IAD7:05 amWashington, D.C. Dulles Intl
18h 33m
1 stop
BIL11:38 pmBillings Logan Intl
Feb 17
BIL3:32 pmBillings Logan Intl
23h 48m
2 stops
IAD5:20 pmWashington, D.C. Dulles Intl
$373

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 January 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

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 2/14

7:05 am-11:38 pm

1 stop18h 33m

Billings Logan Intl

Tue 2/17

2:04 pm-5:20 pm

1 stop25h 16m

$325

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 2/20

6:27 pm-2:52 pm

1 stop22h 25m

Billings Logan Intl

Mon 2/23

2:04 pm-5:20 pm

1 stop25h 16m

$355

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 2/14

7:05 am-11:38 pm

1 stop18h 33m

Billings Logan Intl

Wed 2/18

3:32 pm-5:20 pm

2 stops23h 48m

$373

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 1/31

6:04 pm-11:36 pm

1 stop31h 32m

Billings Logan Intl

Wed 2/4

3:35 pm-4:26 pm

1 stop22h 51m

$374

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 1/31

6:04 pm-11:36 pm

1 stop31h 32m

Billings Logan Intl

Sat 2/7

2:02 pm-4:26 pm

1 stop24h 24m

$394

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 2/20

7:05 am-1:24 pm

2 stops32h 19m

Billings Logan Intl

Mon 2/23

2:04 pm-5:20 pm

1 stop25h 16m

$403

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 2/20

8:15 am-1:23 pm

1 stop7h 08m

Billings Logan Intl

Mon 2/23

2:35 pm-11:19 pm

1 stop6h 44m

$409

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Wed 1/28

2:15 pm-7:24 pm

1 stop7h 09m

Billings Logan Intl

Sun 2/1

6:15 pm-9:13 am

2 stops12h 58m

$414

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Wed 1/28

7:00 am-5:30 pm

2 stops12h 30m

Billings Logan Intl

Sun 2/1

6:15 pm-9:13 am

2 stops12h 58m

$420

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 3/14

7:05 am-11:38 pm

1 stop18h 33m

Billings Logan Intl

Tue 3/17

3:32 pm-6:11 pm

2 stops24h 39m

$432

Flights are sorted by cheapest round-trip flights 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

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

You could potentially save up to 50% 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

7h 01m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Billings takes 7h 01m
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

  • 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 7h 01m.

  • 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
9,139 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.

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