bil-to-iad

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The cheapest times to fly from BIL to IAD are

  • January 8th to March 4th
  • April 16th to May 6th
  • August 13th to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BIL to IAD is late October. Prices can be as high as $809 for Sunday flights during mid June, or as low as $348 for Tuesday flights around late October.

 

When to Fly to Washington

Flying from Billings, MT (BIL) to Washington, DC (IAD) will usually cost between $361 to $667 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $383. Due to high demand the most expensive time to fly is mid June, with an average price of $648. Planning your trip to low-cost times can easily save you $265 on economy flights and even more on first-class flights. Generally, any price below $455 can be considered a good price for a round-trip BIL to IAD flight.

See below for a graph of average weekly prices for the BIL to IAD route. All prices are for round-trip tickets in USD.

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BIL to IAD Flight Prices

Compared to other flights, the BIL to IAD flight is much cheaper than the average and costs less than the average flight leaving from Billings. The average price per mile (for a direct flight) is $0.17, which is below average.

 

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $149 (26%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $404. Return trip prices are from the IAD to BIL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

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Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from BIL to IAD can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 56 minutes may not be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BIL to IAD while comparing.

Destination alternative #1: Ronald Reagan Washington National Airport (DCA) in Washington, DC

  • 24 miles (39 km) away from IAD
  • Usually 1.43% less expensive than IAD
  • 1-layover flights available

See BIL to DCA flights

 

Flight Questions Answered

Still have questions about flying from BIL to IAD? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Alaska, American, Delta, Frontier, United, and potentially more during busy seasons.

How far away is it from Washington Dulles International Airport to Billings Logan International Airport?

The distance between the two airports is roughly 1644 miles or 2646 kilometers.

How long does it take to fly from BIL to IAD?

The real-world flight time for a nonstop BIL to IAD flight is about 3 hour 56 minutes.

How many flights go between Billings, MT and Washington, DC?

It depends on the day of the week and the date, but a typical day might have around 65 available flights from BIL to IAD.

 

Airport Location Info

 

Departing Airport

Origination codeBIL
Origination airport nameBillings Logan International Airport
CityBillings, MT
Countrythe United States
Latitude45.8
Longitude-108.5

Return Airport

Destination codeIAD
Destination airport nameWashington Dulles International Airport
CityWashington, DC
Countrythe United States
Latitude38.9
Longitude-77.5

 

Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.