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Cheap flights from Maine to St. Louis (STL) from $148

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PWM — STL
Mai 1 — Mai 81
From?
To?
Mi 5/1
Mi 5/8
1 adult, Economy
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How far in advance should I book a flight from Maine to St. Louis?

Travelers have found it’s best to book a flight 48 days in advance to save up to 189% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 48 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Maine to St. Louis 1-2 weeks in advance for as low as $565, or $700 for flights within the next 24 hours.

What is the cheapest month to fly from Maine to St. Louis?

Our data shows that March tends to be the cheapest month to fly to St. Louis from Maine. Users have commonly found prices around $472 for the month, but tickets can be as low as $314. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Maine to St. Louis (ME - STL)?

When flying from Maine to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Delta flights from Maine to St. Louis

Explore cheap flight options specifically provided by Delta for the route between Maine and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Consider these cheap Delta flights we've found departing from Maine to St. Louis. Be sure to come back soon if the deals available don't appeal to you at this time.
Di 6/116:01 amPWM - STL
1 stop7h 18mDelta
Fr 6/144:02 pmSTL - PWM
1 stop4h 57mDelta
Deal found 4/25$307
Do 5/2311:42 amPWM - STL
1 stop6h 34mDelta
So 5/265:29 pmSTL - PWM
1 stop5h 15mDelta
Deal found 4/25$327
Sa 5/256:05 amPWM - STL
1 stop6h 43mDelta
Di 5/286:12 pmSTL - PWM
1 stop4h 32mDelta
Deal found 4/24$346
So 5/195:00 amPWM - STL
1 stop5h 19mDelta
So 5/265:29 pmSTL - PWM
1 stop5h 15mDelta
Deal found 4/25$387
Mi 8/216:30 amPWM - STL
1 stop5h 43mDelta
Sa 8/245:30 pmSTL - PWM
2 stops20h 49mDelta
Deal found 4/24$396
Sa 5/185:00 amPWM - STL
1 stop5h 19mDelta
Sa 5/255:29 pmSTL - PWM
1 stop5h 15mDelta
Deal found 4/25$416
Mo 5/206:27 amPWM - STL
1 stop6h 49mDelta
Mo 5/276:00 amSTL - PWM
1 stop6h 42mDelta
Deal found 4/25$557
Mi 5/296:00 amBGR - STL
2 stops10h 57mDelta
Fr 5/3112:53 pmSTL - BGR
2 stops10h 06mDelta
Deal found 4/24$620
Sa 5/255:00 amPWM - STL
2 stops10h 15mDelta
Di 5/2810:20 amSTL - PWM
2 stops11h 30mDelta
Deal found 4/24$1,152

Cheap American Airlines flights from Maine to St. Louis

Explore cheap flight options specifically provided by American Airlines for the route between Maine and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Some of the best deals we've found on American Airlines flights traveling from Maine to St. Louis. Make sure to examine the flight information before completing your reservation.
Do 9/265:13 pmPWM - STL
1 stop7h 07mAmerican Airlines
So 9/296:58 pmSTL - PWM
1 stop4h 44mAmerican Airlines
Deal found 4/25$323
Fr 9/136:48 amPWM - STL
1 stop8h 08mAmerican Airlines
Fr 9/136:58 pmSTL - PWM
1 stop4h 44mAmerican Airlines
Deal found 4/26$333
Di 7/96:00 amPWM - STL
1 stop7h 27mAmerican Airlines
Fr 7/125:46 pmSTL - PWM
1 stop5h 00mAmerican Airlines
Deal found 4/25$374
Fr 7/126:00 amPWM - STL
1 stop5h 30mAmerican Airlines
Sa 7/133:17 pmSTL - PWM
1 stop7h 29mAmerican Airlines
Deal found 4/25$394
Mi 5/297:45 amPWM - STL
1 stop6h 25mAmerican Airlines
So 6/25:04 pmSTL - PWM
1 stop5h 43mAmerican Airlines
Deal found 4/25$504
Sa 5/256:03 amPWM - STL
2 stops10h 25mAmerican Airlines
Di 5/285:04 pmSTL - PWM
1 stop5h 43mAmerican Airlines
Deal found 4/24$547
Sa 5/256:03 amPWM - STL
2 stops10h 25mAmerican Airlines
Sa 6/16:40 amSTL - PWM
1 stop15h 01mAmerican Airlines
Deal found 4/25$567
Sa 5/186:00 amPWM - STL
2 stops10h 28mAmerican Airlines
Sa 5/256:40 amSTL - PWM
1 stop15h 01mAmerican Airlines
Deal found 4/25$569
Mi 5/295:35 amBGR - STL
1 stop5h 54mAmerican Airlines
Fr 5/316:16 amSTL - BGR
1 stop4h 40mAmerican Airlines
Deal found 4/24$577

Cheap Maine to St. Louis flights in April & May 2024

Find cheap flight options from Maine to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on April 26, 2024.
The lowest fares we've come across on flights traveling from Maine to St. Louis in April and May 2024. Check back soon for alternative fares.
Di 5/287:45 amPWM - STL
1 stop6h 25mAmerican Airlines
Sa 6/85:38 pmSTL - PWM
1 stop6h 14mAmerican Airlines
Deal found 4/26$313
Do 5/2311:42 amPWM - STL
1 stop6h 34mDelta
So 5/265:29 pmSTL - PWM
1 stop5h 15mDelta
Deal found 4/25$327
Sa 5/256:05 amPWM - STL
1 stop6h 43mDelta
Di 5/286:12 pmSTL - PWM
1 stop4h 32mDelta
Deal found 4/24$346
So 5/195:00 amPWM - STL
1 stop5h 19mDelta
So 5/265:29 pmSTL - PWM
1 stop5h 15mDelta
Deal found 4/25$387
Sa 5/185:00 amPWM - STL
1 stop5h 19mDelta
Sa 5/255:29 pmSTL - PWM
1 stop5h 15mDelta
Deal found 4/25$416
Di 5/287:15 pmPWM - STL
2 stops21h 26mUnited Airlines
Sa 6/86:08 amSTL - PWM
1 stop6h 43mUnited Airlines
Deal found 4/26$489
Do 5/233:50 pmPWM - STL
1 stop6h 54mUnited Airlines
So 5/265:31 pmSTL - PWM
2 stops16h 01mUnited Airlines
Deal found 4/25$501
Mi 5/297:45 amPWM - STL
1 stop6h 25mAmerican Airlines
So 6/25:04 pmSTL - PWM
1 stop5h 43mAmerican Airlines
Deal found 4/25$504
Sa 5/256:03 amPWM - STL
2 stops10h 25mAmerican Airlines
Di 5/285:04 pmSTL - PWM
1 stop5h 43mAmerican Airlines
Deal found 4/24$547

Maine to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Maine and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
The lowest fares we've come across on flights traveling from Maine to St. Louis in April and May 2024. Check back soon for alternative fares.
Do 9/2611:46 amPWM - STL
1 stop20h 16mFrontier
Mo 9/309:20 pmSTL - PWM
1 stop10h 42mFrontier
Deal found 4/25$148
Di 6/116:01 amPWM - STL
1 stop7h 18mDelta
Fr 6/144:02 pmSTL - PWM
1 stop4h 57mDelta
Deal found 4/25$307
Di 5/287:45 amPWM - STL
1 stop6h 25mAmerican Airlines
Sa 6/85:38 pmSTL - PWM
1 stop6h 14mAmerican Airlines
Deal found 4/26$313
Do 9/265:13 pmPWM - STL
1 stop7h 07mAmerican Airlines
So 9/296:58 pmSTL - PWM
1 stop4h 44mAmerican Airlines
Deal found 4/25$323
Do 5/2311:42 amPWM - STL
1 stop6h 34mDelta
So 5/265:29 pmSTL - PWM
1 stop5h 15mDelta
Deal found 4/25$327
Fr 9/136:48 amPWM - STL
1 stop8h 08mAmerican Airlines
Fr 9/136:58 pmSTL - PWM
1 stop4h 44mAmerican Airlines
Deal found 4/26$333
Sa 5/256:05 amPWM - STL
1 stop6h 43mDelta
Di 5/286:12 pmSTL - PWM
1 stop4h 32mDelta
Deal found 4/24$346
Fr 11/811:20 amPWM - STL
1 stop8h 23mAmerican Airlines
Mo 11/116:32 amSTL - PWM
1 stop16h 14mAmerican Airlines
Deal found 4/25$361
Di 7/96:00 amPWM - STL
1 stop7h 27mAmerican Airlines
Fr 7/125:46 pmSTL - PWM
1 stop5h 00mAmerican Airlines
Deal found 4/25$374

One-way flights to St. Louis from Maine

Search for one-way flight options from Maine to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
Users traveling one-way from Maine to St. Louis can select one of these great deals. Users can also find round-trip Maine to St. Louis flights by using the search form above.
Do 9/195:13 pmPWM - STL
1 stop7h 07mAmerican Airlines
Deal found 4/25$157
Sa 6/2211:30 amPWM - STL
1 stop6h 50mDelta
Deal found 4/25$168
Di 8/132:30 pmBGR - STL
1 stop5h 19mAmerican Airlines
Deal found 4/25$168
Di 8/137:20 amBGR - STL
2 stops9h 37mDelta
Deal found 4/25$204
So 5/195:00 amPWM - STL
1 stop5h 19mDelta
Deal found 4/25$248
Sa 5/254:15 pmBGR - STL
1 stop24h 26mUnited Airlines
Deal found 4/25$259
Sa 7/65:37 amPWM - STL
1 stop4h 38mDelta
Deal found 4/25$278
So 7/71:27 pmPWM - STL
3 stops23h 38mMultiple Airlines
Deal found 4/25$297
So 7/71:27 pmPWM - STL
2 stops25h 24mMultiple Airlines
Deal found 4/25$320

Find flights from Maine to St. Louis within your budget

Customize your flight search to find flights from Maine to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$148 - $568

Route

Depart

Return

Price

PortlandLambert-St Louis

PWM - STL

PWMSTL

Portland

Do 9/26

1 stop20h 16m

Lambert-St Louis

Mo 9/30

1 stop10h 42m

$148

PortlandLambert-St Louis

PWM - STL

PWMSTL

Portland

Di 6/11

1 stop7h 18m

Lambert-St Louis

Fr 6/14

1 stop4h 57m

$307

PortlandLambert-St Louis

PWM - STL

PWMSTL

Portland

Do 9/26

1 stop7h 07m

Lambert-St Louis

So 9/29

1 stop4h 44m

$323

PortlandLambert-St Louis

PWM - STL

PWMSTL

Portland

Do 5/23

1 stop6h 34m

Lambert-St Louis

So 5/26

1 stop5h 15m

$327

PortlandLambert-St Louis

PWM - STL

PWMSTL

Portland

Fr 9/13

1 stop8h 08m

Lambert-St Louis

Fr 9/13

1 stop4h 44m

$333

PortlandLambert-St Louis

PWM - STL

PWMSTL

Portland

Sa 5/25

1 stop6h 43m

Lambert-St Louis

Di 5/28

1 stop4h 32m

$346

PortlandLambert-St Louis

PWM - STL

PWMSTL

Portland

Di 7/9

1 stop7h 27m

Lambert-St Louis

Fr 7/12

1 stop5h 00m

$374

PortlandLambert-St Louis

PWM - STL

PWMSTL

Portland

Mi 8/21

1 stop5h 07m

Lambert-St Louis

Sa 8/24

1 stop14h 34m

$436

PortlandLambert-St Louis

PWM - STL

PWMSTL

Portland

Sa 5/25

3 stops31h 32m

Lambert-St Louis

Sa 6/1

2 stops23h 42m

$568

Flights are sorted by cheapest first

Deals found on 4/25

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated April 26, 2024.
See what other customers who have flown with Delta, American Airlines and United Airlines from Maine to St. Louis have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,966 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,966 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,228 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,889 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Frontier
6.3
Okay
4,132 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Entertainment

8.0

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Maine to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Maine?

    If you book a flight to St. Louis from Maine, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

  • Can I find flights from Maine to St. Louis for under $200 on Cheapflights?

    Yes, there are multiple flights from Maine to St. Louis for under $200. The cheapest flight booked recently is on Frontier for just $148, but on average you can expect to pay $414.

  • What are the cheapest airlines to fly from Maine to St. Louis one-way?

    One-way options have recently been found by users for as low as $157 on American Airlines. Other airlines that offer cheap prices include Delta from $168 and United Airlines from $259 one-way.

  • What are the most popular airlines that fly from Maine to St. Louis?

    Consider American Airlines, JetBlue or Delta when booking your flight. These represent the most popular airlines when flying from Maine to St. Louis.

  • What does PWM to STL mean?

    PWM and STL are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. PWM to STL refers to a flight route from Portland Airport to Lambert-St Louis Airport. Bangor Airport (BGR), Bar Harbor Airport (BHB), Augusta Airport (AUG), Presque Isle Airport (PQI), Rockland Knox County Regional Airport (RKD) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Maine to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Maine to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Maine to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Maine to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Maine to St. Louis that include hotel bookings?

    Yes. In addition to deals on Maine to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Maine to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maine to St. Louis.

  • Can I find deals for business class flights from Maine to St. Louis?

    Yes. Cheapflights offers flight deals from Maine to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Maine to St. Louis that allow pets onboard?

    Many airlines flying from Maine to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Maine to St. Louis?

    Yes, you can often find last-minute deals on Maine to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Maine to St. Louis flight deals updated?

    The Maine to St. Louis flight deals you see on this page were last updated on 4/26.

See more FAQs

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Alternative routes for Maine to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.

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Top 4 airlines flying from Maine to St. Louis

Discover the top 4 airlines that operate flights from Maine to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$506FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapest$242Average$474FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapest$328Average$472FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$338Average$540FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Maine to Saint Thomas Island flights

Search flights from Maine to St. Louis by cabin class

Find flights from Maine to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Maine to St. Louis?

Cheapflights makes it easy to find Maine to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Maine to St. Louis?

Cheapflights helps you find that perfect flight to St. Louis from Maine by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Maine to St. Louis with no change fees?

Yes! Cheapflights helps users easily find flights from Maine to St. Louis with no change fees.

Can Cheapflights notify me if prices for flights from Maine to St. Louis become cheaper?

Yes! Start tracking prices for Maine to St. Louis flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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