The cheapest times to fly from INL to IAD are

  • August 20th to November 18th (except the weeks of October 8th and October 29th)
  • December 24th to March 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 INL to IAD is late January. Prices can be as high as $866 for Sunday flights during early August, or as low as $282 for Tuesday flights around late January.


When to Fly to Washington

Flying from International Falls, MN (INL) to Washington, DC (IAD) will usually cost between $296 to $679 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $336. Due to high demand the most expensive time to fly is early August, with an average price of $657. Planning your trip to low-cost times can easily save you $321 on economy flights and even more on first-class flights. Generally, any price below $446 can be considered a good price for a round-trip INL to IAD flight.

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

INL to IAD Flight Prices

Compared to other flights, the INL to IAD flight is much cheaper than the average and costs much less than the average flight leaving from International Falls. The average price per mile (for a direct flight) is $0.27, 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 $168 (30%) 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 $380. Return trip prices are from the IAD to INL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from INL 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 2 hour 50 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 INL to IAD while comparing.

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

  • 24 miles (39 km) away from IAD
  • Usually 4.48% less expensive than IAD
  • 1-layover flights available

See INL to DCA flights

Destination alternative #2: Philadelphia International Airport (PHL) in Philadelphia, PA

  • 135 miles (217 km) away from IAD
  • Usually 2.47% less expensive than IAD
  • 1-layover flights available

See INL to PHL flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 2 major airlines flying this route most often: Delta, United, and potentially more during busy seasons.

How far away is it from Washington Dulles International Airport to Falls International Einarson Field Airport?

The distance between the two airports is roughly 1033 miles or 1662 kilometers.

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

The real-world flight time for a nonstop INL to IAD flight is about 2 hour 50 minutes.

How many flights go between International Falls, MN and Washington, DC?

It depends on the day of the week and the date, but a typical day might have around 23 available flights from INL to IAD.


Airport Location Info


Departing Airport

Origination codeINL
Origination airport nameFalls International Einarson Field Airport
CityInternational Falls, MN
Countrythe United States

Return Airport

Destination codeIAD
Destination airport nameWashington Dulles International Airport
CityWashington, DC
Countrythe United States


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.