Cheap flights from Portland to Indianapolis from $109

In general, August is the cheapest month to fly from Portland to Indianapolis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $246. If you are unable to visit Indianapolis during the month of August, then departing from Portland during the month July is also very affordable. Most momondo users find prices during this month for around $385.

Our data shows that Tuesday is the least expensive day to fly to Indianapolis. Tickets to fly out on this day can be as low as $79. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Indianapolis on Sunday is $270.

Flying to Indianapolis from Portland at noon is the least expensive time of day to depart. momondo users have found prices as low as $132 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $597 on average. Flights to Indianapolis from Portland in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Portland to Indianapolis for the best Portland - Indianapolis flight prices

You are more likely to see cheaper flights to Indianapolis from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Indianapolis for around $429 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Indianapolis from Portland for as low as $318 on momondo.

There is only 1 cabin class available to choose from on Portland to Indianapolis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Portland to Indianapolis.

As of June 2026, prices for Portland to Indianapolis flights are approximately 16% cheaper when compared to flights at the same time last year.

Allegiant Air is the most popular carrier operating from Portland to Indianapolis

Delta, United Airlines and Allegiant Air are the top three most popular airlines that fly to Indianapolis from Portland according to our data. Delta is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Indianapolis. Keep in mind that there are 7 different airlines that fly to Indianapolis on a routine basis, so you have a few additional options to choose from.

Chicago (ORD) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Flights via Atlanta (ATL) offer the lowest average round-trip price of $297.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 5h 47m.

Denver (DEN) has the shortest average layover time for this route: 0h 47m.