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Maine

$47+ Cheap flights from St. Louis (STL) to Maine

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PWM
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheap flight deals from St. Louis to Maine

Keep the following information in mind while searching for St. Louis to Maine flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(American Airlines)

One-way from

$47
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$416
Provider with most accurate pricing for Lambert-St Louis-Portland flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Portland flights.
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From Lambert-St Louis to Maine
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One-way flight from Lambert-St Louis to Maine
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Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from St. Louis to Maine

Cheapest flights from St. Louis to Maine
Explore the most affordable flight options available from St. Louis to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/131:43 pmSTL - BGR
1 stop7h 21mAmerican Airlines
dom. 1/115:02 pmBGR - STL
1 stop5h 49mAmerican Airlines
Deal found 10/28$259
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/196:58 pmSTL - BOS
1 stop14h 23mFrontier
sáb. 1/1011:47 amBOS - STL
1 stop11h 46mFrontier
Deal found 10/28$293
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/42:47 pmSTL - BGR
2 stops26h 23mMultiple Airlines
dom. 12/77:43 pmBGR - STL
1 stop14h 16mMultiple Airlines
Deal found 10/29$298
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/196:58 pmSTL - BOS
1 stop14h 03mMultiple Airlines
jue. 1/811:47 amBOS - STL
1 stop21h 03mMultiple Airlines
Deal found 10/28$301
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/132:54 pmSTL - BOS
Nonstop2h 38mAmerican Airlines
mar. 12/1612:10 pmBOS - STL
1 stop9h 14mAmerican Airlines
Deal found 10/28$303
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/207:43 pmSTL - BOS
2 stops13h 25mFrontier
sáb. 1/1011:47 amBOS - STL
1 stop11h 46mFrontier
Deal found 10/28$304
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/137:43 pmSTL - BOS
2 stops13h 39mFrontier
dom. 12/1412:57 pmBOS - STL
1 stop10h 36mFrontier
Deal found 10/28$305
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/14:13 pmSTL - BOS
1 stop23h 37mMultiple Airlines
mié. 12/39:54 pmBOS - STL
1 stop14h 13mMultiple Airlines
Deal found 10/28$306
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/198:37 pmSTL - BOS
2 stops37h 50mMultiple Airlines
dom. 1/116:15 amBOS - STL
1 stop17h 18mMultiple Airlines
Deal found 10/30$307
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/53:30 pmSTL - BOS
1 stop17h 31mMultiple Airlines
lun. 12/88:11 pmBOS - STL
1 stop27h 22mMultiple Airlines
Deal found 10/28$309
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/145:14 pmSTL - BGR
1 stop5h 14mDelta
mar. 11/185:16 amBGR - STL
1 stop8h 24mDelta
Deal found 10/30$309
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2010:53 amSTL - BOS
1 stop12h 00mMultiple Airlines
lun. 11/2411:04 pmBOS - STL
3 stops20h 32mMultiple Airlines
Deal found 10/27$311

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Maine 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 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from St. Louis to Maine that are best for you.

Fly from

St. Louis

Fly to

Maine

Route

Depart

Return

Price

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

sáb. 12/13

6:00 am-12:11 pm

1 stop5h 11m

Bangor

sáb. 1/10

12:26 pm-5:02 pm

1 stop5h 36m

$259

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

sáb. 12/13

1:43 pm-10:04 pm

1 stop7h 21m

Bangor

dom. 1/11

5:02 pm-9:51 pm

1 stop5h 49m

$259

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

jue. 12/4

9:53 am-4:26 pm

1 stop5h 33m

Bangor

dom. 12/7

4:56 pm-9:47 pm

1 stop5h 51m

$259

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

jue. 12/4

2:47 pm-6:10 pm

2 stops26h 23m

Bangor

dom. 12/7

7:43 pm-8:59 am

1 stop14h 16m

$298

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

jue. 1/15

12:01 pm-3:40 pm

Nonstop2h 39m

Boston Logan Intl

dom. 1/18

9:51 am-6:14 pm

1 stop9h 23m

$298

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

vie. 11/14

5:14 pm-11:28 pm

1 stop5h 14m

Bangor

mar. 11/18

5:16 am-1:00 pm

2 stops8h 44m

$314

St. LouisBoston

STL - BOS

STLBOS

Lambert-St Louis

jue. 11/27

2:00 pm-5:30 pm

Nonstop2h 30m

Boston Logan Intl

jue. 12/4

10:20 am-12:25 pm

Nonstop3h 05m

$328

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

jue. 11/20

6:02 am-12:17 pm

1 stop5h 15m

Bangor

sáb. 11/22

4:33 pm-11:04 pm

1 stop7h 31m

$328

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

jue. 11/13

6:00 am-12:11 pm

1 stop5h 11m

Bangor

lun. 11/17

3:52 pm-9:00 pm

1 stop6h 08m

$339

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

jue. 11/20

6:00 am-12:11 pm

1 stop5h 11m

Bangor

lun. 11/24

3:52 pm-11:04 pm

1 stop8h 12m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 54 results
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Best time to book a flight from St. Louis to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Maine

What is the cheapest month to book a flight from St. Louis to Maine?

Currently, July is the cheapest month in which you can book a flight from St. Louis to Maine (average of $251). Flying from St. Louis to Maine in January is currently the most expensive (average of $332). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to ME?

Find hourly flight availability from St. Louis to Maine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

One of the essential ways to save on airfare from St. Louis to Maine is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 47% on airfare.

Reviews of airlines servicing Maine

Get insights into the airlines that provide service to Maine. 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 Maine. Reviews last updated octubre 30, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from St. Louis to Maine to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Maine. 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 from for flights from St. Louis to Maine?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Maine.

  • How long is the flight from St. Louis to Maine?

    Airlines like American Airlines, Delta, and Southwest fly from St. Louis to Maine in about 2h 30m. The time it takes to get you to your destination can typically vary by up to 2h 44m. Airlines will cover a distance of 1043 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from St. Louis to Maine?

    The most popular flight routes from St. Louis to Maine are Lambert-St Louis - Boston Logan Intl, Lambert-St Louis - Portland and Lambert-St Louis - Bangor.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from St. Louis to Maine?

    Currently, July is the cheapest month in which you can book a flight from St. Louis to Maine (average of $251). Flying from St. Louis to Maine in January is currently the most expensive (average of $332). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for St. Louis to Maine

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from St. Louis to Maine

Discover the top 4 airlines that operate flights from St. Louis to Maine. 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 2,558,603 searches. Data last updated octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$201Average$479FlexibilityNo cancel feeOn-time69%
DeltaCheapest$229Average$370FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$404FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$308Average$489FlexibilityNo cancel feeOn-time63%

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