Cheap flights from Maine to Key West from $86

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 Key West departing on 11/4. 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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0 bags

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Cheap round-trip flights

American Airlines Logo
4:37 pm - 9:56 pmBOS-EYW
5h 19m1 stop
American Airlines Logo
8:00 pm - 12:46 amEYW-BOS
4h 46m1 stop
$171American Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
American Airlines Logo
1:02 pm - 9:56 pmBOS-EYW
8h 54m2 stops
American Airlines Logo
8:00 pm - 12:46 amEYW-BOS
4h 46m1 stop
$176American Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Delta Logo
9:05 am - 5:12 pmBOS-EYW
8h 07m1 stop
Delta Logo
6:17 pm - 1:13 amEYW-BOS
6h 56m1 stop
$217Delta
Find Deal
Tue, Sep 30 - Wed, Oct 8
Breeze Airways Logo
10:58 am - 8:07 amBGR-EYW
21h 09m1 stop
Breeze Airways Logo
9:47 am - 10:18 amEYW-BGR
24h 31m1 stop
$243Breeze Airways
Find Deal
Thu, Sep 11 - Wed, Sep 17
Spirit Airlines Logo
5:45 am - 1:30 pmBOS-EYW
7h 45m1 stop
Spirit Airlines Logo
2:25 pm - 12:40 amEYW-BOS
10h 15m1 stop
$251Spirit Airlines
Find Deal
Sat, Jan 24 - Sat, Feb 7
Delta Logo
12:05 pm - 8:07 pmBOS-EYW
8h 02m1 stop
Delta Logo
6:17 pm - 1:13 amEYW-BOS
6h 56m1 stop
$267Delta
Find Deal
Wed, Oct 1 - Wed, Oct 8
Spirit Airlines Logo
5:45 am - 1:30 pmBOS-EYW
7h 45m1 stop
Spirit Airlines Logo
2:25 pm - 12:40 amEYW-BOS
10h 15m1 stop
$273Spirit Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
 Logo
6:05 pm - 9:02 amPWM-EYW
14h 57m2 stops
 Logo
9:47 am - 5:38 pmEYW-PWM
7h 51m1 stop
Fri, Oct 31 - Wed, Nov 5
 Logo
11:16 am - 8:15 amPWM-EYW
20h 59m1 stop
 Logo
4:34 pm - 9:06 amEYW-PWM
16h 32m1 stop
Wed, Dec 10 - Sun, Dec 14
Breeze Airways Logo
4:41 pm - 10:19 amPWM-EYW
17h 38m3 stops
Breeze Airways Logo
8:55 am - 9:06 amEYW-PWM
24h 11m1 stop
$626Breeze Airways
Find Deal
Wed, Sep 10 - Sun, Sep 14

Delta flights from Maine to Key West

Our best Delta deals on Maine to Key West flight tickets
Delta
Sep 30
BOS9:05 amBoston Logan Intl
8h 07m
1 stop
EYW5:12 pmKey West
Oct 8
EYW6:17 pmKey West
6h 56m
1 stop
BOS1:13 amBoston Logan Intl
Delta
Oct 1
BOS12:05 pmBoston Logan Intl
8h 02m
1 stop
EYW8:07 pmKey West
Oct 8
EYW6:17 pmKey West
6h 56m
1 stop
BOS1:13 amBoston Logan Intl
Delta
Sep 10
PWM1:34 pmPortland
6h 38m
1 stop
EYW8:12 pmKey West
Sep 17
EYW6:10 pmKey West
6h 01m
1 stop
PWM12:11 amPortland

American Airlines flights from Maine to Key West

Our best American Airlines deals on Maine to Key West flight tickets
American Airlines
Nov 1
BOS4:37 pmBoston Logan Intl
5h 19m
1 stop
EYW9:56 pmKey West
Nov 8
EYW8:00 pmKey West
4h 46m
1 stop
BOS12:46 amBoston Logan Intl
American Airlines
Nov 1
BOS1:02 pmBoston Logan Intl
8h 54m
2 stops
EYW9:56 pmKey West
Nov 8
EYW8:00 pmKey West
4h 46m
1 stop
BOS12:46 amBoston Logan Intl
American Airlines
Sep 8
BOS6:00 amBoston Logan Intl
8h 00m
1 stop
EYW2:00 pmKey West
Sep 12
EYW7:31 pmKey West
5h 28m
1 stop
BOS12:59 amBoston Logan Intl

momondo Fare Finder

 
Customize your flight search to find flights from Maine to Key West 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, momondo users made 832,500 searches. Data last updated August 13, 2025.
Use the filters below to find and compare flights from Maine to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Sat 11/1

4:37 pm-9:56 pm

1 stop5h 19m

Key West

Sat 11/8

8:00 pm-12:46 am

1 stop4h 46m

$171

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Sat 11/1

1:02 pm-9:56 pm

2 stops8h 54m

Key West

Sat 11/8

8:00 pm-12:46 am

1 stop4h 46m

$176

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Tue 9/30

9:05 am-5:12 pm

1 stop8h 07m

Key West

Wed 10/8

6:17 pm-1:13 am

1 stop6h 56m

$217

BangorKey West

BGR - EYW

BGREYW

Bangor

Thu 9/11

10:58 am-8:07 am

1 stop21h 09m

Key West

Wed 9/17

9:47 am-10:18 am

1 stop24h 31m

$243

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Sat 1/24

5:45 am-1:30 pm

1 stop7h 45m

Key West

Sat 2/7

2:25 pm-12:40 am

1 stop10h 15m

$251

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Wed 10/1

12:05 pm-8:07 pm

1 stop8h 02m

Key West

Wed 10/8

6:17 pm-1:13 am

1 stop6h 56m

$267

BostonKey West

BOS - EYW

BOSEYW

Boston Logan Intl

Thu 12/4

5:45 am-1:30 pm

1 stop7h 45m

Key West

Sun 12/7

2:25 pm-12:40 am

1 stop10h 15m

$273

PortlandKey West

PWM - EYW

PWMEYW

Portland

Fri 10/31

6:05 pm-9:02 am

2 stops14h 57m

Key West

Wed 11/5

9:47 am-5:38 pm

1 stop7h 51m

$292

PortlandKey West

PWM - EYW

PWMEYW

Portland

Wed 12/10

11:16 am-8:15 am

1 stop20h 59m

Key West

Sun 12/14

4:34 pm-9:06 am

1 stop16h 32m

$388

PortlandKey West

PWM - EYW

PWMEYW

Portland

Wed 9/10

4:41 pm-10:19 am

3 stops17h 38m

Key West

Sun 9/14

8:55 am-9:06 am

1 stop24h 11m

$626

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Key West from

How to get the cheapest flight ticket from Maine to Key West

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 Key West?

In general, June is the cheapest month to fly from Maine to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $308. If you are unable to visit Key West during the month of June, then departing from Maine during the month October is also very affordable. Most momondo users find prices during this month for around $357.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Maine is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $392. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Maine to Key West for around $500.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the morning. momondo users have found flights departing from Maine to Key West in the morning for as low as $447. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly at noon, with an average ticket price of $510. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Key West?

You are more likely to see cheaper flights to Key West from Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $410 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Maine for as low as $388 on momondo.

Cheap Maine to Key West flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to Key West

Best Price Found

$86

Fastest flight time

3h 52m

Direct flights

Every day

Airports in Key West

1 airport
The best one-way flight to Key West from Maine in the past 72 hours is $86. The best round-trip flight deal from Maine to Key West found on momondo in the last 72 hours is $171.
The fastest flight from Maine to Key West takes 3h 52m
Direct flights go from Maine to Key West every day.
There is 1 airport near Key West: Key West (EYW)
  • When did momondo last update prices for flights from Maine to Key West Airport?

    Prices for flights from Maine to Key West Airport are updated daily.

  • How many operators does momondo search for flights from Maine to Key West Airport?

  • How old do you have to be to fly from Maine to Key West Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maine to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Maine to Key West

Compare and see reviews for airlines that fly from Maine to Key West with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $293Free CancellationRating
8.0
7,979 reviews
Search Delta flights
United AirlinesPriceFrom $372Free CancellationRating
7.4
8,920 reviews
Search United Airlines flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Maine to Key West?

It is quick and easy to find Maine to Key West flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Key West that suits you.

Can I find flights from Maine to Key West with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Maine to Key West flights to just show those with flexible booking policies.

How can momondo help me find flights from Maine to Key West?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Maine to Key West.

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

Price alerts on flights to Key West from Maine are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Mon 8/18
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