Key West

$162+ Cheap flights from Portland, ME to Key West (PWM - EYW)

PWM — EYW
Dec 4 — Dec 111
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Cheap flight deals from Portland to Key West

Cheapest flights from Portland to Key West

Wed 11/255:50 am -
1 stop8h 02m
Wed 12/212:05 pm -
2 stops11h 19m
Deal found 11/1$365
Wed 12/211:57 am -
1 stop6h 30m
Sat 12/125:32 pm -
1 stop5h 47m
Deal found 11/1$391
Sat 11/286:00 am -
1 stop6h 59m
Tue 12/156:06 pm -
1 stop5h 27m
Deal found 11/1$395
Sat 11/146:31 pm -
1 stop16h 50m
Wed 11/1810:04 am -
1 stop7h 47m
Deal found 10/30$402
Wed 11/252:05 pm -
1 stop5h 55m
Wed 12/26:06 pm -
1 stop5h 27m
Deal found 11/1$406
Wed 11/186:31 pm -
1 stop16h 50m
Sun 11/2210:59 am -
1 stop22h 09m
Deal found 11/1$408
Sun 12/65:00 am -
1 stop7h 33m
Sat 12/125:32 pm -
1 stop5h 47m
Deal found 11/1$418
Sat 11/285:45 am -
1 stop6h 52m
Tue 12/155:32 pm -
1 stop5h 47m
Deal found 11/2$441

Find flight deals from Portland to Key West

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$294
(Kiwi.com)

One-way from

$162
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$427
Provider with most accurate pricing for Portland-Key West flight deals.
Provider most trusted by Cheapflights users for Portland-Key West flights.
From Portland to Key West
One-way flight from Portland to Key West
Highest demand for flights based on searches. 15% potential increase in price ($99 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Portland to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandKey West

PWM Portland - EYW Key West

PWMEYW

Portland

Sat 1/16

9:20 am-4:09 pm

1 stop6h 49m

Key West

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$171

PortlandKey West

PWM Portland - EYW Key West

PWMEYW

Portland

Sat 11/14

5:09 pm-10:19 am

2 stops17h 10m

Key West

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$229

PortlandKey West

PWM Portland - EYW Key West

PWMEYW

Portland

Mon 11/16

5:35 pm-12:42 pm

3 stops43h 07m

Key West

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$262

PortlandKey West

PWM Portland - EYW Key West

PWMEYW

Portland

Sat 11/14

5:09 pm-11:04 am

3 stops41h 55m

Key West

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$324

PortlandKey West

PWM Portland - EYW Key West

PWMEYW

Portland

Tue 11/10

5:09 pm-8:04 am

3 stops38h 55m

Key West

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$333

PortlandKey West

PWM Portland - EYW Key West

PWMEYW

Portland

Wed 2/24

6:00 am-5:11 pm

2 stops11h 11m

Key West

Wed 3/3

6:00 pm-11:23 pm

1 stop5h 23m

$346

PortlandKey West

PWM Portland - EYW Key West

PWMEYW

Portland

Tue 1/12

6:17 am-12:45 pm

1 stop6h 28m

Key West

Wed 1/20

7:30 am-4:26 pm

2 stops8h 56m

$346

PortlandKey West

PWM Portland - EYW Key West

PWMEYW

Portland

Tue 1/19

6:17 am-4:04 pm

2 stops9h 47m

Key West

Sat 1/23

5:00 pm-11:26 pm

1 stop6h 26m

$346

PortlandKey West

PWM Portland - EYW Key West

PWMEYW

Portland

Wed 1/13

6:17 am-4:04 pm

2 stops9h 47m

Key West

Wed 1/20

5:00 pm-11:26 pm

1 stop6h 26m

$346

PortlandKey West

PWM Portland - EYW Key West

PWMEYW

Portland

Sun 1/31

5:00 am-12:18 pm

1 stop7h 18m

Key West

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Sorted by cheapest first

Compare providers for flights from Portland to Key West

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Key West in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Portland with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Portland to Key West

What is the cheapest month to book a flight from Portland, Maine to Key West?

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Key West (average of $300). Flying from Portland, Maine to Key West in August is currently the most expensive (average of $834). 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.

Reviews of airlines servicing Key West

Read through reviews of airlines operating flights from Portland to Key West, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Related info for your journey

  • How long is the flight from Portland, Maine to Key West?

    Delta can get you from Portland, Maine to Key West in just under 11h 11m. Your travel time can differ by up to . Airlines will cover a distance of 1468 mi.

  • What are the cheapest airlines flying from Portland, Maine to Key West round-trip?

    Delta, at $256, was found to be the cheapest airline from Portland, Maine to Key West.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Delta is currently priced 51% below the average price you’ll pay for this route.

  • Can I find deals for flights from Portland to Key West that include hotel bookings?

    Yes. In addition to deals on Portland to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Key West.

  • Can I find deals for business class flights from Portland to Key West?

    Yes. Cheapflights offers flight deals from Portland to Key West 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 Portland, Maine to Key West?

    Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Key West (average of $300). Flying from Portland, Maine to Key West in August is currently the most expensive (average of $834). 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Portland to Key West

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$256Average$447FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$534FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$290Average$472FlexibilityNo cancel feeOn-time71%

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