Cheap flights from Portland to Chattanooga

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Compare Portland to Chattanooga flight deals

Find the cheapest month or even day of the year to fly to Chattanooga

Book the best Chattanooga fare with no extra fees

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Flight deals from Portland to Chattanooga

Looking for a cheap last-minute deal or the best round-trip flight from Portland Airport to Chattanooga Airport? If you want to travel next month, round-trip fares start from $368. Find the lowest prices on one-way and round-trip tickets right here.

Chattanooga.$281 per passenger.Departing Thu, Aug 27, returning Mon, Aug 31.Round-trip flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departing from Portland on Thu, Aug 27, arriving in Chattanooga.Inbound indirect flight with Allegiant Air, departing from Chattanooga on Mon, Aug 31, arriving in Portland.Price includes taxes and charges.From $281, select.

Chattanooga.$364 per passenger.Departing Tue, Feb 2, returning Tue, Feb 9.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Portland on Tue, Feb 2, arriving in Chattanooga.Inbound indirect flight with Delta, departing from Chattanooga on Tue, Feb 9, arriving in Portland.Price includes taxes and charges.From $364, select.

Chattanooga.$368 per passenger.Departing Sun, Sep 6, returning Tue, Sep 15.Round-trip flight with United.Outbound indirect flight with United, departing from Portland on Sun, Sep 6, arriving in Chattanooga.Inbound indirect flight with United, departing from Chattanooga on Tue, Sep 15, arriving in Portland.Price includes taxes and charges.From $368, select.

Chattanooga.$372 per passenger.Departing Fri, Oct 16, returning Tue, Oct 20.Round-trip flight with United.Outbound indirect flight with United, departing from Portland on Fri, Oct 16, arriving in Chattanooga.Inbound indirect flight with United, departing from Chattanooga on Tue, Oct 20, arriving in Portland.Price includes taxes and charges.From $372, select.

Chattanooga.$446 per passenger.Departing Thu, Nov 5, returning Mon, Nov 9.Round-trip flight with United.Outbound indirect flight with United, departing from Portland on Thu, Nov 5, arriving in Chattanooga.Inbound indirect flight with United, departing from Chattanooga on Mon, Nov 9, arriving in Portland.Price includes taxes and charges.From $446, select.

Chattanooga.$459 per passenger.Departing Thu, Sep 24, returning Sun, Oct 4.Round-trip flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departing from Portland on Thu, Sep 24, arriving in Chattanooga.Inbound indirect flight with Allegiant Air, departing from Chattanooga on Sun, Oct 4, arriving in Portland.Price includes taxes and charges.From $459, select.

Chattanooga.$608 per passenger.Departing Wed, Dec 16, returning Sat, Jan 2.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Portland on Wed, Dec 16, arriving in Chattanooga.Inbound indirect flight with Delta, departing from Chattanooga on Sat, Jan 2, arriving in Portland.Price includes taxes and charges.From $608, select.

Chattanooga.$663 per passenger.Departing Sun, Aug 30, returning Thu, Sep 3.Round-trip flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departing from Portland on Sun, Aug 30, arriving in Chattanooga.Inbound indirect flight with Allegiant Air, departing from Chattanooga on Thu, Sep 3, arriving in Portland.Price includes taxes and charges.From $663, select.

Chattanooga.$760 per passenger.Departing Sat, Dec 26, returning Wed, Dec 30.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Portland on Sat, Dec 26, arriving in Chattanooga.Inbound indirect flight with Delta, departing from Chattanooga on Wed, Dec 30, arriving in Portland.Price includes taxes and charges.From $760, select.

Find the cheapest month to fly from Portland to Chattanooga

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Chattanooga flights are currently cheapest in August.

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Portland to Chattanooga: Alternative routes

Compare routes from Portland to Chattanooga below. You may find an airport to fly into that's cheaper, faster, or easier than Chattanooga.

Chattanooga

10km from central Chattanooga

ClosestCheapest

from $281

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Portland to Chattanooga: Flight information

The things to know before you go.

Cheapest flight found	$281
Cheapest month to fly	August

Finding cheap flights from Portland to Chattanooga: Frequently asked questions

How much are round-trip flights from Portland to Chattanooga?

The best price we found for a round-trip flight from Portland to Chattanooga is $281. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Portland to Chattanooga?

Currently, there are no airlines that fly direct from Portland to Chattanooga. But we found flights with one or more stops from $281.

How many flights are there a week from Portland to Chattanooga?

There are no flights flying from Portland to Chattanooga, as of August 2026.

When is the cheapest time to fly from Portland to Chattanooga?

The cheapest month to fly from Portland to Chattanooga is usually August.

Which upcoming date is cheapest to fly from Portland Airport to Chattanooga Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Chattanooga Airport on Thursday, August 27, 2026.

Can I get a direct flight from Portland Airport to Chattanooga Airport?

No airlines currently offer direct flights between Portland Airport and Chattanooga Airport. Most routes have one or more stops.

How can I find the best flight deal to Chattanooga?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chattanooga but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Chattanooga?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Chattanooga is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Portland Airport to Chattanooga?

Currently, Frontier Airlines offers the cheapest flight tickets to Chattanooga.

Traveling from Portland Airport (PDX) to Chattanooga Airport (CHA): what you need to know

To ensure you get on your PDX to CHA flight, allow plenty of time to check in and drop off your luggage. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.
You'll likely experience bigger queues during popular months like July. Arriving up to four hours ahead of international flights and two hours for domestic departures is a wise move.
We make it simple to book a flight with a stopover. To see your options for tickets from Portland Airport to Chattanooga Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to tour your chosen city. Worthwhile stopovers between PDX and CHA include:
- Chicago O'Hare International Airport
- Atlanta Hartsfield-Jackson Airport
- Dallas Fort Worth International Airport

How to find the cheapest flights from Portland Airport (PDX) to Chattanooga Airport (CHA)

At the moment, $164 is the lowest price we've found for a one-way Portland Airport to Chattanooga Airport flight. The best price for a return plane ticket is $281. Remember that fares may change due to availability at the time of booking.
Don't leave things to the last minute. You're more likely to get cheap tickets from PDX to CHA if you book early. Airlines often offer some excellent early bird deals.
Getting cheap flights from Portland Airport to Chattanooga Airport is easy if you can be flexible with your travel plans. Use the 'Whole month' search function to see the best prices across each month and land a great deal.
Save time looking for cheap flights from PDX to CHA by creating a Price Alert. You'll get an email or notification through the app when a special offer becomes available.
Tailor your trip using filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Portland Airport to Chattanooga Airport.

Handy information about Portland Airport (PDX)

You'll find PDX at 7000 NE Airport Way.
Portland Airport scores top marks for on-time performance. 83% of flights that take off from PDX arrive at their destination on time.
To reach Portland Airport from central Portland, it'll take around 20 minutes if you're going by car. Of course, this depends on traffic. It's approximately 19 kilometers from the airport to the city center.
Taking public transport? You can expect a journey time of around 40 minutes.
Need a convenient hotel close to PDX? If you've booked an early flight from Portland Airport to Chattanooga Airport, these accommodation options will have you moments from your departure lounge:

Arriving at Chattanooga Airport (CHA)

Reserve a hotel close to CHA if you're taking a late Portland Airport to Chattanooga Airport flight. Select one of these accommodation options and skip the long transfer after landing:
Hit the road running by picking up a Chattanooga Airport rental car. Grab a set of wheels from Budget, Thrifty or Avis and experience the lesser-explored corners of Chattanooga and beyond.
Reserving your ride from Chattanooga Airport about three weeks ahead can help you secure the lowest rate.

Getting from Chattanooga Airport (CHA) to central Chattanooga

Chattanooga Airport to central Chattanooga has a drive time of around 20 minutes. It's approximately 14 kilometers away.
It takes roughly 40 minutes when traveling by public transport.

When to fly to Chattanooga Airport (CHA)

It's time to choose your travel dates for your flight from Portland Airport to Chattanooga Airport. October is the busiest month to head to Chattanooga. If you'd like a more relaxed vibe, go in January.
When booking your flight from Portland Airport to Chattanooga Airport, consider the type of weather you enjoy. July is the warmest month in Chattanooga, with temperatures ranging from 17ºC (63ºF) to 31ºC (88ºF).
Look for cheap tickets from PDX to CHA in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -5ºC (23ºF) and 10ºC (50ºF) on average.

Explore more of the United States

Chattanooga is always a good idea, but there are so many other parts of the United States you'll want to see. Around 402 kilometers east of Chattanooga, a trip to Charlotte will keep your itinerary busy. Start with leading sights like Bechtler Museum of Modern Art, Discovery Place and NASCAR Hall of Fame.
If there's time to check out another major destination in the United States, head for Memphis, roughly 434 kilometers west of Chattanooga. Elvis Presley’s Memphis, Graceland and National Civil Rights Museum are highlights.