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Cheap flights from Maine to St. Louis from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maine to St. Louis departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Maine to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Maine to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Maine to St. Louis.

Cheap last minute flights

Planning a quick getaway from Maine to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Maine to St. Louis

Find recent round-trip train or bus tickets from Maine to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
6:00 am - 10:46 pmBOS-STL
17h 46m1 stop
3:53 pm - 12:39 amSTL-BOS
7h 46m1 stop
$156Frontier
Find Deal
Sat, Dec 14 - Tue, Dec 17
6:00 am - 11:33 pmBOS-STL
18h 33m1 stop
5:05 pm - 12:30 amSTL-BOS
6h 25m1 stop
$158Frontier
Find Deal
Mon, Dec 16 - Tue, Jan 14
6:00 am - 11:24 pmBOS-STL
18h 24m1 stop
4:26 pm - 12:38 amSTL-BOS
7h 12m1 stop
Mon, Dec 9 - Thu, Dec 12
11:31 am - 2:43 pmBOS-STL
28h 12m1 stop
5:05 pm - 12:27 amSTL-BOS
6h 22m1 stop
Mon, Jan 20 - Thu, Jan 23
6:51 pm - 2:43 pmBOS-STL
20h 52m1 stop
3:48 pm - 11:32 pmSTL-BOS
6h 44m1 stop
$225Spirit Airlines
Find Deal
Mon, Jan 13 - Thu, Jan 16
8:30 pm - 3:21 pmBOS-STL
19h 51m2 stops
4:26 pm - 12:38 amSTL-BOS
7h 12m1 stop
$233Spirit Airlines
Find Deal
Mon, Dec 9 - Thu, Dec 12
6:30 am - 8:47 amBOS-STL
3h 17mnonstop
12:00 pm - 10:12 pmSTL-BOS
9h 12m1 stop
$257American Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 19
4:44 pm - 11:53 pmBGR-STL
8h 09m1 stop
6:00 am - 12:05 pmSTL-BGR
5h 05m1 stop
$258American Airlines
Find Deal
Fri, Jan 10 - Mon, Jan 13
6:00 am - 12:32 pmBGR-STL
7h 32m1 stop
12:00 pm - 11:19 pmSTL-BGR
10h 19m2 stops
$263Delta
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Fri, Jan 10 - Mon, Jan 13
6:05 am - 12:03 pmPWM-STL
6h 58m1 stop
5:17 pm - 12:10 amSTL-PWM
5h 53m1 stop
$321Delta
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Wed, Dec 18 - Wed, Dec 25
6:00 am - 11:24 pmBOS-STL
18h 24m1 stop
$65Frontier
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Wed, Dec 11
12:20 pm - 11:43 pmBOS-STL
12h 23m1 stop
$70Frontier
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Fri, Feb 28
6:00 am - 2:43 pmBOS-STL
9h 43m1 stop
$101Spirit Airlines
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Sun, Jan 26
11:31 am - 2:43 pmBOS-STL
28h 12m1 stop
$118Spirit Airlines
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Mon, Jan 13
9:57 am - 12:10 pmBOS-STL
27h 13m3 stops
Tue, Dec 17
5:00 am - 7:55 pmBOS-STL
39h 55m3 stops
Wed, Jan 8
12:56 pm - 5:21 pmPWM-STL
5h 25m1 stop
$163American Airlines
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Wed, Dec 25
6:05 am - 4:59 pmPWM-STL
11h 54m2 stops
$168Delta
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Wed, Dec 25
7:00 am - 8:49 amBOS-STL
26h 49m1 stop
$178Delta
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Tue, Dec 24
6:25 am - 8:42 amBOS-STL
3h 17mnonstop
$181American Airlines
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Tue, Dec 31
6:00 am - 4:26 pmBOS-STL
11h 26m1 stop
4:13 pm - 12:30 amSTL-BOS
7h 17m1 stop
Sat, Nov 30 - Sat, Dec 7
6:25 am - 8:43 amBOS-STL
3h 18mnonstop
11:35 am - 6:16 pmSTL-BOS
5h 41m1 stop
$421American Airlines
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Fri, Nov 29 - Fri, Nov 29
6:00 am - 4:26 pmBOS-STL
11h 26m1 stop
5:02 pm - 12:30 amSTL-BOS
6h 28m1 stop
Sun, Dec 1 - Wed, Dec 4
6:00 am - 4:26 pmBOS-STL
11h 26m1 stop
4:26 pm - 12:38 amSTL-BOS
7h 12m1 stop
$464Spirit Airlines
Find Deal
Sun, Dec 1 - Thu, Dec 5
6:25 am - 8:43 amBOS-STL
3h 18mnonstop
10:01 am - 4:38 pmSTL-BOS
5h 37m1 stop
$471American Airlines
Find Deal
Wed, Nov 27 - Wed, Nov 27
6:00 am - 4:26 pmBOS-STL
11h 26m1 stop
5:21 pm - 9:14 amSTL-BOS
14h 53m1 stop
$475Spirit Airlines
Find Deal
Sun, Dec 1 - Tue, Dec 3
3:14 pm - 7:51 pmBOS-STL
5h 37m1 stop
8:30 am - 11:21 pmSTL-BOS
13h 51m1 stop
$792United Airlines
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Wed, Nov 27 - Tue, Dec 3
8:45 am - 3:39 pmBOS-STL
7h 54m2 stops
8:30 am - 11:21 pmSTL-BOS
13h 51m1 stop
$822United Airlines
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Wed, Nov 27 - Tue, Dec 3
6:50 am - 8:55 amBOS-STL
3h 05mnonstop
9:30 am - 1:00 pmSTL-BOS
2h 30mnonstop
$892Southwest
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Sun, Dec 1 - Tue, Dec 3
6:50 am - 8:55 amBOS-STL
3h 05mnonstop
12:25 pm - 7:15 pmSTL-BOS
5h 50m1 stop
$901Southwest
Find Deal
Sun, Dec 1 - Wed, Dec 4
6:30 am - 8:54 amBOS-STL
3h 24mnonstop
1:30 pm - 5:10 pmSTL-BOS
2h 40mnonstop
$391American Airlines
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Fri, Jan 17 - Sun, Jan 19
10:38 am - 1:00 pmBOS-STL
3h 22mnonstop
1:30 pm - 5:10 pmSTL-BOS
2h 40mnonstop
$419American Airlines
Find Deal
Tue, Jan 7 - Thu, Jan 9
6:30 am - 8:54 amBOS-STL
3h 24mnonstop
1:30 pm - 5:10 pmSTL-BOS
2h 40mnonstop
$421American Airlines
Find Deal
Tue, Jan 7 - Tue, Jan 14
6:30 am - 8:54 amBOS-STL
3h 24mnonstop
9:25 am - 1:05 pmSTL-BOS
2h 40mnonstop
$422American Airlines
Find Deal
Tue, Jan 7 - Thu, Jan 9
7:00 am - 9:14 amBOS-STL
3h 14mnonstop
10:30 am - 2:08 pmSTL-BOS
2h 38mnonstop
$441American Airlines
Find Deal
Fri, Apr 4 - Sun, Apr 6
11:38 am - 1:51 pmBOS-STL
3h 13mnonstop
9:25 am - 1:01 pmSTL-BOS
2h 36mnonstop
$442American Airlines
Find Deal
Fri, Feb 14 - Tue, Feb 18
7:00 am - 9:14 amBOS-STL
3h 14mnonstop
1:42 pm - 5:20 pmSTL-BOS
2h 38mnonstop
$451American Airlines
Find Deal
Thu, Apr 17 - Mon, Apr 21
12:05 pm - 2:10 pmBOS-STL
3h 05mnonstop
8:50 pm - 12:20 amSTL-BOS
2h 30mnonstop
$454Southwest
Find Deal
Thu, Jan 2 - Thu, Jan 2
6:25 am - 8:43 amBOS-STL
3h 18mnonstop
2:06 pm - 5:40 pmSTL-BOS
2h 34mnonstop
$463American Airlines
Find Deal
Tue, Dec 17 - Thu, Dec 19
8:00 am - 10:10 amBOS-STL
3h 10mnonstop
7:40 am - 11:10 amSTL-BOS
2h 30mnonstop
$467Southwest
Find Deal
Thu, Dec 12 - Sat, Jan 4

American Airlines flights from Maine to St. Louis

Our best American Airlines deals on Maine to St. Louis flight tickets
American Airlines
Feb 19
BOS6:30 amBoston Logan Intl
3h 17m
STL8:47 amLambert-St Louis
Feb 19
STL12:00 pmLambert-St Louis
9h 12m
1 stop
BOS10:12 pmBoston Logan Intl
American Airlines
Jan 10
BGR4:44 pmBangor
8h 09m
1 stop
STL11:53 pmLambert-St Louis
Jan 13
STL6:00 amLambert-St Louis
5h 05m
1 stop
BGR12:05 pmBangor
American Airlines
Jan 21
BOS10:38 amBoston Logan Intl
3h 22m
STL1:00 pmLambert-St Louis
Jan 24
STL6:00 amLambert-St Louis
8h 05m
1 stop
BOS3:05 pmBoston Logan Intl

United Airlines flights from Maine to St. Louis

Our best United Airlines deals on Maine to St. Louis flight tickets
United Airlines
Jan 22
BOS2:45 pmBoston Logan Intl
5h 24m
1 stop
STL7:09 pmLambert-St Louis
Jan 23
STL6:30 amLambert-St Louis
7h 00m
2 stops
BOS2:30 pmBoston Logan Intl
United Airlines
Dec 25
BOS7:30 amBoston Logan Intl
7h 54m
2 stops
STL2:24 pmLambert-St Louis
Jan 1
STL5:30 pmLambert-St Louis
6h 24m
1 stop
BOS12:54 amBoston Logan Intl
United Airlines
Jan 5
PWM5:20 amPortland
5h 34m
1 stop
STL9:54 amLambert-St Louis
Jan 11
STL5:30 pmLambert-St Louis
16h 15m
3 stops
PWM10:45 amPortland

See travel insights to St. Louis from

How to get the cheapest flight ticket from Maine to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, January is the cheapest month to fly from Maine to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $398. The month of September is another great option to travel to St. Louis, with average flight prices from Maine averaging around $417.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $436. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $625. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Maine in the evening is the least expensive time of day to depart. momondo users have found prices as low as $0 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $609 per ticket.

How far in advance should I book a flight to St. Louis?

The best time to book a flight to St. Louis from Maine is 59 days out, which is when prices tend to be around $490. In the past 72 hours, momondo users found flights from Maine to St. Louis for as low as $301.

Can stopping save me money on Maine to St. Louis flights?

You could potentially save up to 55% on your flight if you consider stops on a Maine to St. Louis flight.

Cheap Maine to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to St. Louis

Best Price Found

$65

Fastest flight time

2h 55m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Maine in the past 72 hours is $65. The best round-trip flight deal from Maine to St. Louis found on momondo in the last 72 hours is $156.
The fastest flight from Maine to St. Louis takes 2h 55m
Direct flights go from Maine to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • When did momondo last update prices for flights from Maine to Lambert-St Louis Airport?

    Prices for flights from Maine to Lambert-St Louis Airport are updated daily.

  • How many operators does momondo search for flights from Maine to Lambert-St Louis Airport?

  • How old do you have to be to fly from Maine to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maine to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Best airlines flying from Maine to St. Louis

Compare and see reviews for airlines that fly from Maine to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $241Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $273Free CancellationRating
8.0
8,736 reviews
Search Delta flights
United AirlinesPriceFrom $341Free CancellationRating
7.4
9,153 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Maine to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Maine to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Maine to St. Louis with flexible booking policies on momondo?

Flights from Maine to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Maine to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Maine.

I’m not ready to book a flight from Maine to St. Louis right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Maine to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.


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