What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Billings Logan Intl?

Delta and United Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Billings Logan Intl

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?

As of August 2026, there is 1 operator available to choose from for flights 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.

$181 Cheap Flights from Washington, D.C. Dulles Intl Airport to Billings in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Billings

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 4:21 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

12h 21m1 stop Las Vegas Harry Reid Intl

5:22 pm - 6:20 amBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

10h 58m1 stop Las Vegas Harry Reid Intl

$296Multiple Airlines

Fri, Sep 11 - Mon, Sep 28

6:00 am - 4:21 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

12h 21m1 stop Las Vegas Harry Reid Intl

5:22 pm - 6:20 amBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

10h 58m1 stop Las Vegas Harry Reid Intl

$321Multiple Airlines

Fri, Sep 18 - Mon, Sep 21

4:15 pm - 9:00 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

6h 45m1 stop Denver Intl

2:29 pm - 12:32 amBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

8h 03m1 stop Denver Intl

$359United Airlines

Thu, Aug 27 - Thu, Sep 3

6:00 am - 4:21 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

12h 21m1 stop Las Vegas Harry Reid Intl

5:11 pm - 6:20 amBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

11h 09m1 stop Las Vegas Harry Reid Intl

$360Multiple Airlines

Fri, Sep 11 - Fri, Sep 25

3:08 pm - 9:12 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

8h 04m1 stop Dallas/Fort Worth

1:54 pm - 11:19 pmBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

7h 25m1 stop Dallas/Fort Worth

$361American Airlines

Sat, Oct 31 - Tue, Nov 3

6:47 pm - 11:15 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

6h 28m1 stop Minneapolis St Paul

6:23 am - 1:31 pmBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

5h 08m1 stop Minneapolis St Paul

$361Delta

Tue, Sep 15 - Sat, Sep 26

7:00 am - 12:17 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

7h 17m1 stop Salt Lake City

6:23 am - 1:31 pmBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

5h 08m1 stop Minneapolis St Paul

$361Delta

Tue, Sep 15 - Sat, Oct 3

5:15 pm - 11:15 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

8h 00m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

6:23 am - 1:31 pmBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

5h 08m1 stop Minneapolis St Paul

$366Delta

Tue, Sep 15 - Sat, Sep 26

7:00 am - 12:17 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

7h 17m1 stop Salt Lake City

5:20 am - 8:14 pmBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

12h 54m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$366Delta

Tue, Sep 15 - Tue, Sep 29

6:10 am - 1:29 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

9h 19m1 stop Denver Intl

7:00 am - 3:44 pmBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

6h 44m1 stop Denver Intl

$370United Airlines

Fri, Nov 6 - Sat, Nov 14

Cheap last minute flights

Enter your travel dates to find the best prices.

1:23 pm - 10:47 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

11h 24m2 stops Charlotte Douglas Dallas/Fort Worth

7:00 am - 10:55 pmBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

13h 55m2 stops Dallas/Fort Worth Charlotte Douglas

$500American Airlines

Tue, Aug 11 - Thu, Aug 13

4:15 pm - 9:00 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

6h 45m1 stop Denver Intl

2:29 pm - 11:19 pmBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

6h 50m1 stop Denver Intl

$502United Airlines

Tue, Aug 11 - Thu, Aug 13

1:23 pm - 10:47 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

11h 24m2 stops Charlotte Douglas Dallas/Fort Worth

1:13 pm - 10:52 pmBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

7h 39m1 stop Dallas/Fort Worth

$568American Airlines

Tue, Aug 11 - Thu, Aug 13

3:03 pm - 11:30 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

10h 27m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

6:26 am - 8:05 pmBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

11h 39m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

$570Delta

Wed, Aug 12 - Wed, Aug 19

3:03 pm - 11:30 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

10h 27m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

6:24 pm - 11:49 amBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

15h 25m2 stops Salt Lake City New York John F Kennedy Intl

$584Delta

Wed, Aug 12 - Wed, Aug 19

5:25 pm - 11:30 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

8h 05m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

6:24 pm - 11:49 amBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

15h 25m2 stops Salt Lake City New York John F Kennedy Intl

$596Delta

Tue, Aug 11 - Mon, Aug 17

5:25 pm - 11:30 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

8h 05m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

6:24 pm - 9:20 amBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

12h 56m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$626Delta

Tue, Aug 11 - Mon, Aug 17

12:30 pm - 10:53 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

12h 23m2 stops Detroit Metropolitan Wayne County Salt Lake City

6:26 am - 8:05 pmBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

11h 39m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

$630Delta

Sat, Aug 8 - Tue, Aug 11

10:27 am - 10:47 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

14h 20m2 stops Charlotte Douglas Dallas/Fort Worth

7:00 am - 8:56 pmBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

11h 56m2 stops Dallas/Fort Worth Charlotte Douglas

$651American Airlines

Wed, Aug 12 - Wed, Aug 19

5:26 pm - 10:07 pmIAD Washington, D.C. Dulles Intl-BIL Billings Logan Intl

6h 41m1 stop Denver Intl

2:29 pm - 12:32 amBIL Billings Logan Intl-IAD Washington, D.C. Dulles Intl

8h 03m1 stop Denver Intl

$794United Airlines

Wed, Aug 12 - Mon, Aug 17

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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 19

IAD2:53 pmWashington, D.C. Dulles Intl

9h 54m

1 stop

BIL10:47 pmBillings Logan Intl

Aug 26

BIL7:00 amBillings Logan Intl

9h 27m

1 stop

IAD6:27 pmWashington, D.C. Dulles Intl

$413

American Airlines

Aug 28

IAD2:53 pmWashington, D.C. Dulles Intl

9h 54m

1 stop

BIL10:47 pmBillings Logan Intl

Aug 31

BIL12:22 pmBillings Logan Intl

8h 33m

2 stops

IAD10:55 pmWashington, D.C. Dulles Intl

$414

American Airlines

Aug 19

IAD2:53 pmWashington, D.C. Dulles Intl

9h 54m

1 stop

BIL10:47 pmBillings Logan Intl

Aug 26

BIL7:00 amBillings Logan Intl

9h 27m

1 stop

IAD6:27 pmWashington, D.C. Dulles Intl

$443

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

Sep 15

IAD7:00 amWashington, D.C. Dulles Intl

7h 17m

1 stop

BIL12:17 pmBillings Logan Intl

Oct 3

BIL6:23 amBillings Logan Intl

5h 08m

1 stop

IAD1:31 pmWashington, D.C. Dulles Intl

$361

Delta

Sep 15

IAD7:00 amWashington, D.C. Dulles Intl

7h 17m

1 stop

BIL12:17 pmBillings Logan Intl

Sep 29

BIL5:20 amBillings Logan Intl

12h 54m

2 stops

IAD8:14 pmWashington, D.C. Dulles Intl

$366

Delta

Aug 29

IAD12:30 pmWashington, D.C. Dulles Intl

12h 23m

2 stops

BIL10:53 pmBillings Logan Intl

Sep 9

BIL6:33 pmBillings Logan Intl

12h 36m

2 stops

IAD9:09 amWashington, D.C. Dulles Intl

$369

momondo Fare Finder

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 Washington, D.C. Dulles Intl - BIL Billings Logan Intl

IADBIL

Washington, D.C. Dulles Intl

Fri 9/11

6:00 am-4:21 pm

1 stop12h 21m

Billings Logan Intl

Mon 9/28

5:22 pm-6:20 am

1 stop10h 58m

$296

Washington, D.C.Billings

IAD Washington, D.C. Dulles Intl - BIL Billings Logan Intl

IADBIL

Washington, D.C. Dulles Intl

Fri 9/18

6:00 am-4:21 pm

1 stop12h 21m

Billings Logan Intl

Mon 9/21

5:22 pm-6:20 am

1 stop10h 58m

$321

Washington, D.C.Billings

IAD Washington, D.C. Dulles Intl - BIL Billings Logan Intl

IADBIL

Washington, D.C. Dulles Intl

Thu 8/27

4:15 pm-9:00 pm

1 stop6h 45m

Billings Logan Intl

Thu 9/3

2:29 pm-12:32 am

1 stop8h 03m

$359

Washington, D.C.Billings

IAD Washington, D.C. Dulles Intl - BIL Billings Logan Intl

IADBIL

Washington, D.C. Dulles Intl

Fri 9/11

6:00 am-4:21 pm

1 stop12h 21m

Billings Logan Intl

Fri 9/25

5:11 pm-6:20 am

1 stop11h 09m

$360

Washington, D.C.Billings

IAD Washington, D.C. Dulles Intl - BIL Billings Logan Intl

IADBIL

Washington, D.C. Dulles Intl

Sat 10/31

3:08 pm-9:12 pm

1 stop8h 04m

Billings Logan Intl

Tue 11/3

1:54 pm-11:19 pm

1 stop7h 25m

$361

Quickest round-trip

Washington, D.C.Billings

IAD Washington, D.C. Dulles Intl - BIL Billings Logan Intl

IADBIL

Washington, D.C. Dulles Intl

Tue 9/15

6:47 pm-11:15 pm

1 stop6h 28m

Billings Logan Intl

Sat 9/26

6:23 am-1:31 pm

1 stop5h 08m

$361

Washington, D.C.Billings

IAD Washington, D.C. Dulles Intl - BIL Billings Logan Intl

IADBIL

Washington, D.C. Dulles Intl

Tue 9/15

7:00 am-12:17 pm

1 stop7h 17m

Billings Logan Intl

Sat 10/3

6:23 am-1:31 pm

1 stop5h 08m

$361

Washington, D.C.Billings

IAD Washington, D.C. Dulles Intl - BIL Billings Logan Intl

IADBIL

Washington, D.C. Dulles Intl

Tue 9/15

5:15 pm-11:15 pm

2 stops8h 00m

Billings Logan Intl

Sat 9/26

6:23 am-1:31 pm

1 stop5h 08m

$366

Washington, D.C.Billings

IAD Washington, D.C. Dulles Intl - BIL Billings Logan Intl

IADBIL

Washington, D.C. Dulles Intl

Tue 9/15

7:00 am-12:17 pm

1 stop7h 17m

Billings Logan Intl

Tue 9/29

5:20 am-8:14 pm

2 stops12h 54m

$366

Washington, D.C.Billings

IAD Washington, D.C. Dulles Intl - BIL Billings Logan Intl

IADBIL

Washington, D.C. Dulles Intl

Fri 11/6

6:10 am-1:29 pm

1 stop9h 19m

Billings Logan Intl

Sat 11/14

7:00 am-3:44 pm

1 stop6h 44m

$370

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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.

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 28m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to Billings takes 6h 28m

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 28m.
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?
As of August 2026, there is 1 operator available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to Billings is United Airlines (100% of total bookings).

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 Airlines	PriceFrom $333	Free Cancellation	Rating 7.4 10,072 reviews		Search United Airlines flights

Forsyth

Why use momondo?

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.