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Key Largo

$119+ Cheap flights from Portland (PDX) to Key Largo, FL

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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MIA
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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The best prices from Portland to Key Largo are usually found in January or February, booked 71 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Portland to Key Largo

Keep the following information in mind while searching for Portland to Key Largo flight deals. Data was last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Delta)

One-way from

$119
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$356
Provider with most accurate pricing for Portland-Miami flight deals.
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Provider most trusted by Cheapflights users for Portland-Miami flights.
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From Portland to Key Largo
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One-way flight from Portland to Key Largo
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Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Portland to Key Largo

Cheapest flights from Portland to Key Largo
Explore the most affordable flight options available from Portland to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/36:50 pmPDX - MIA
1 stop8h 25mSpirit Airlines
dom. 4/67:20 amMIA - PDX
1 stop30h 00mSpirit Airlines
Deal found 2/20$237
This Delta deal was found by Cheapflights users on 2/20. 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.
sáb. 3/155:30 amPDX - MIA
1 stop8h 02mDelta
vie. 3/215:45 pmMIA - PDX
1 stop9h 14mDelta
Deal found 2/20$238
This American Airlines deal was found by Cheapflights users on 2/20. 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.
jue. 3/1310:19 pmPDX - MIA
Nonstop5h 41mAmerican Airlines
lun. 3/177:39 pmMIA - PDX
Nonstop6h 32mAmerican Airlines
Deal found 2/20$239
This CheapOair deal was found by Cheapflights users on 2/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/176:20 amPDX - MIA
1 stop20h 02mFrontier
sáb. 5/249:58 pmMIA - PDX
1 stop26h 47mFrontier
Deal found 2/20$249
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/110:06 amPDX - MIA
Nonstop5h 53mMultiple Airlines
sáb. 4/57:20 amMIA - PDX
1 stop11h 28mMultiple Airlines
Deal found 2/20$251
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/610:00 amPDX - MIA
Nonstop5h 47mAlaska Airlines
vie. 3/147:52 pmMIA - PDX
Nonstop7h 07mAlaska Airlines
Deal found 2/20$257
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1011:55 pmPDX - MIA
1 stop8h 28mUnited Airlines
mar. 11/181:05 pmMIA - PDX
2 stops12h 33mUnited Airlines
Deal found 2/20$265
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/1410:00 amPDX - MIA
Nonstop5h 47mHawaiian Airlines
lun. 3/177:52 pmMIA - PDX
Nonstop7h 07mHawaiian Airlines
Deal found 2/20$343

Find flights from Portland to Key Largo within your budget

Customize your flight search to find flights from Portland to Key Largo 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 febrero 20, 2025.

Fly from

Portland

Fly to

Key Largo

Route

Depart

Return

Price

PortlandMiami

PDX - MIA

PDXMIA

Portland

jue. 4/3

6:50 pm-6:15 am

1 stop8h 25m

Miami

dom. 4/6

7:20 am-10:20 am

1 stop30h 00m

$237

PortlandMiami

PDX - MIA

PDXMIA

Portland

sáb. 3/15

5:30 am-4:32 pm

1 stop8h 02m

Miami

vie. 3/21

5:45 pm-11:59 pm

1 stop9h 14m

$238

PortlandMiami

PDX - MIA

PDXMIA

Portland

jue. 3/13

10:19 pm-7:00 am

Nonstop5h 41m

Miami

lun. 3/17

7:39 pm-11:11 pm

Nonstop6h 32m

$239

PortlandMiami

PDX - MIA

PDXMIA

Portland

sáb. 5/17

6:20 am-5:22 am

1 stop20h 02m

Miami

sáb. 5/24

9:58 pm-9:45 pm

1 stop26h 47m

$249

PortlandMiami

PDX - MIA

PDXMIA

Portland

mar. 4/1

10:06 am-6:59 pm

Nonstop5h 53m

Miami

sáb. 4/5

7:20 am-3:48 pm

1 stop11h 28m

$251

PortlandMiami

PDX - MIA

PDXMIA

Portland

jue. 3/6

10:00 am-6:47 pm

Nonstop5h 47m

Miami

vie. 3/14

7:52 pm-11:59 pm

Nonstop7h 07m

$257

PortlandMiami

PDX - MIA

PDXMIA

Portland

vie. 3/14

10:00 am-6:47 pm

Nonstop5h 47m

Miami

lun. 3/17

7:52 pm-11:59 pm

Nonstop7h 07m

$343

PortlandMiami

PDX - MIA

PDXMIA

Portland

jue. 7/10

6:43 pm-5:45 am

1 stop8h 02m

Miami

mar. 7/22

2:55 pm-10:35 pm

1 stop10h 40m

$360

PortlandMiami

PDX - MIA

PDXMIA

Portland

lun. 3/17

10:00 am-6:47 pm

Nonstop5h 47m

$119

PortlandMiami

PDX - MIA

PDXMIA

Portland

mar. 3/11

7:32 pm-6:10 am

1 stop7h 38m

$120

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 17 results
1
2

Best time to book a flight from Portland to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Portland 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.

Travel insights for flights from Portland to Key Largo

Get recent, data-driven insights about flights from Portland to Key Largo including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Portland to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Key Largo. Price data was last updated on February 14, 2025.

To ensure you get the cheapest price possible for a flight from Portland to Key Largo, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Portland to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Portland to Key Largo (average of $231). Flying from Portland to Key Largo in March is currently the most expensive (average of $289). 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 PDX to KE9?

Find hourly flight availability from Portland to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Key Largo as you normally would.

What is the cheapest day to fly from Portland to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Portland to Key Largo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Key Largo flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portland to Key Largo

Explore weekly flight availability from Portland to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated febrero 20, 2025.

The most flights from PDX to KE9 are scheduled on a Monday (4 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated febrero 20, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Portland to Key Largo have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Portland to Key Largo. 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 Portland to Key Largo?

    For a flight from Portland to Key Largo, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city. Portland is the only Portland airport and it handles 3 outbound flights to Key Largo per day. 7 airlines have flights to Key Largo from Portland on a regular basis.

  • How popular is this Portland to Key Largo flight route?

    Flights from Portland to Key Largo have been viewed 13 times in the past calendar month.

  • What are the cheapest airlines to fly from Portland to Key Largo one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $119. Users have also found prices from $120 and $130 on Spirit Airlines and Delta, respectively.

  • What are the most reliable airlines from Portland to Key Largo?

    No one likes to see their flight delayed. When booking a flight from Portland to Key Largo consider choosing Alaska Airlines (88%), American Airlines (88%) or Hawaiian Airlines (85%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portland to Key Largo?

    The cheapest flight price from Portland to Key Largo is $112. On average you can expect to pay $1,054. The most popular route, (Portland - Miami), can usually be booked for $166.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Key Largo 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 to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Portland to Key Largo (average of $231). Flying from Portland to Key Largo in March is currently the most expensive (average of $289). 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.

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Top 7 airlines flying from Portland to Key Largo

Discover the top 7 airlines that operate flights from Portland to Key Largo. 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$215FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$140Average$263FlexibilityNo cancel feeOn-time65%
DeltaCheapest$177Average$373FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$199Average$461FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$209Average$415FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$229Average$389FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$244Average$478FlexibilityNo cancel feeOn-time71%
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