Cheap flights from St Louis to Bangor

Compare St Louis to Bangor flight deals

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

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Flight deals from St Louis to Bangor

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Bangor Airport? If you want to travel next month, return fares start from $308. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Bangor

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

St Louis to Bangor: Alternative routes

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

St Louis to Bangor: Flight information

The things to know before you go.
Cheapest flight found$391
Cheapest month to flySeptember

Finding cheap flights from St Louis to Bangor: Frequently asked questions

The best price we found for a return flight from St Louis to Bangor is $308. 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.
Currently, there are no airlines that fly direct from St Louis to Bangor. But we found flights with one or more stops from $308.
As of July 2026, there are no flights flying from St Louis to Bangor.
The cheapest month to fly from St Louis to Bangor is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Bangor Airport on Saturday, 22 August 2026.
No airlines currently offer direct flights between St Louis Airport and Bangor Airport. Most routes have one or more stops.
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 Bangor 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.

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

Currently, United offers the cheapest flight tickets to Bangor.

Travelling from St Louis Airport (STL) to Bangor Airport (BGR): what you need to know

  • To ensure you get on your STL to BGR flight, leave plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general rule.

  • During popular months such as July, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during peak periods in general.

  • If you want to add a stop to your trip, just uncheck 'Direct flights only' when searching for your ticket from St Louis Airport to Bangor Airport. These are the most popular stopovers between STL and BGR:

    • Chicago O'Hare International Airport

    • New York LaGuardia Airport

    • Washington Ronald Reagan Airport

How to find the cheapest flights from St Louis Airport (STL) to Bangor Airport (BGR)

  • $391 is currently the best price for a one-way St Louis Airport to Bangor Airport flight. Return flights start at $308. These prices can change based on demand.

  • It's often best to book ahead of time if you're hoping to get cheap tickets from STL to BGR. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • Finding cheap flights from St Louis Airport to Bangor Airport is more likely if you can be flexible with your travel dates. Use the 'Whole month' search tool to see the lowest prices across the month and land a great deal.

  • Finding cheap flights from STL to BGR is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when fares go down.

  • Tailor your flights using filters. Pick your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from St Louis Airport to Bangor Airport.

Handy information about St Louis Airport (STL)

Arriving at Bangor Airport (BGR)

  • The last thing you want is a long journey to your hotel if you're getting in late on a St Louis Airport to Bangor Airport flight. Stay at one of these accommodation options near BGR instead:

  • Go wherever you want, whenever you want with a Bangor Airport rental car. Book your wheels from Budget, Dollar or Enterprise and experience more of Bangor and beyond.

  • To lock in the lowest rate, book your vehicle from Bangor Airport at least a couple of weeks ahead. Prices typically go up closer to your day of departure.

Getting from Bangor Airport (BGR) to central Bangor

  • The street address for BGR is 287 Godfry Boulevard.

  • From Bangor Airport, Bangor is approximately 10 kilometres away. It takes around 15 minutes to get to the centre driving.

  • It takes roughly 35 minutes when travelling by public transport.

When to fly to Bangor Airport (BGR)

  • August is the busiest month for flights from St Louis Airport to Bangor Airport. To steer clear of the crowds, visit Bangor in April.

  • The warmest month in Bangor is July, with temperatures ranging between 13ºC (55ºF) and 28ºC (82ºF). Book your flights from St Louis Airport to Bangor Airport in this month if this is the kind of weather you like.

  • Look for cheap tickets from STL to BGR in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -15ºC (5ºF) and 1ºC (34ºF) on average.

Explore more of the United States

  • You've visited Bangor, now it's time to discover other parts of the United States. Journey around 322 kilometres south-west to Boston to tick off its must-visit sights. From Museum of Fine Arts Boston to Freedom Trail and Boston Tea Party Ships & Museum, you've got a jam-packed schedule ahead.

  • If you want to check out another great destination in the United States, head for Worcester, about 370 kilometres south-west of Bangor. Worcester Art Museum, Saint Paul’s Cathedral and Mechanics Hall are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.