HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key Largo

$126+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MIA
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Key Largo with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Portland to Key Largo are usually found in January or February, booked 82 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Portland to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Key Largo (KE9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$237
(Alaska Airlines)

One-way from

$126
(FlightHub)
High demand for flights, 16% potential price rise
Search Deals
Best time to find cheap flights, 23% potential price drop
Search Deals
From Portland to Key Largo
Search Deals
One-way flight from Portland to Key Largo
Search Deals

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 November 20, 2024.

This FlightHub deal was found by Cheapflights users on 11/20. 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.
Wed 12/47:35 amPDX - MIA
1 stop12h 48mFrontier
Wed 12/118:00 amMIA - PDX
1 stop19h 15mFrontier
Deal found 11/20$237
This CheapOair deal was found by Cheapflights users on 11/20. 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.
Wed 12/47:16 pmPDX - MIA
1 stop8h 41mSpirit Airlines
Wed 12/116:10 pmMIA - PDX
1 stop22h 47mSpirit Airlines
Deal found 11/20$246
This Trip.com deal was found by Cheapflights users on 11/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:35 amPDX - MIA
1 stop12h 48mMultiple Airlines
Wed 12/116:55 pmMIA - PDX
Nonstop6h 38mMultiple Airlines
Deal found 11/19$247
This Delta deal was found by Cheapflights users on 11/18. 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.
Mon 12/1611:13 pmPDX - MIA
1 stop8h 11mDelta
Wed 1/86:40 pmMIA - PDX
1 stop8h 14mDelta
Deal found 11/18$288
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
Mon 12/169:13 amPDX - MIA
Nonstop5h 42mAlaska Airlines
Thu 12/267:07 pmMIA - PDX
Nonstop6h 35mAlaska Airlines
Deal found 11/20$297
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/46:00 amPDX - MIA
2 stops11h 03mUnited Airlines
Wed 12/114:35 pmMIA - PDX
1 stop9h 25mUnited Airlines
Deal found 11/20$301
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/310:45 pmPDX - MIA
Nonstop5h 37mAmerican Airlines
Fri 12/67:44 pmMIA - PDX
Nonstop6h 40mAmerican Airlines
Deal found 11/19$327
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/275:15 amPDX - MIA
2 stops14h 30mSouthwest
Wed 12/41:05 pmMIA - PDX
2 stops12h 05mSouthwest
Deal found 11/20$446

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandMiami

PDX - MIA

PDXMIA

Portland

Mon 2/3

9:23 am-6:15 pm

Nonstop5h 52m

Miami

Tue 2/11

7:15 pm-10:55 pm

Nonstop6h 40m

$237

PortlandMiami

PDX - MIA

PDXMIA

Portland

Wed 2/5

7:35 am-11:22 pm

1 stop12h 47m

Miami

Wed 2/12

6:25 am-12:37 am

1 stop21h 12m

$238

PortlandMiami

PDX - MIA

PDXMIA

Portland

Wed 1/8

2:55 pm-10:29 am

2 stops16h 34m

Miami

Wed 1/22

1:55 pm-8:46 pm

1 stop9h 51m

$240

PortlandMiami

PDX - MIA

PDXMIA

Portland

Fri 1/10

12:03 pm-5:05 pm

1 stop26h 02m

Miami

Mon 1/13

9:13 pm-8:46 pm

1 stop26h 33m

$241

PortlandMiami

PDX - MIA

PDXMIA

Portland

Mon 1/6

10:42 pm-7:22 am

Nonstop5h 40m

Miami

Mon 1/13

7:38 pm-11:36 pm

Nonstop6h 58m

$243

PortlandMiami

PDX - MIA

PDXMIA

Portland

Mon 2/3

6:05 am-5:30 pm

1 stop8h 25m

Miami

Wed 2/12

3:40 pm-11:30 pm

1 stop10h 50m

$256

PortlandMiami

PDX - MIA

PDXMIA

Portland

Wed 12/4

6:00 am-8:03 pm

2 stops11h 03m

Miami

Wed 12/11

4:35 pm-11:00 pm

1 stop9h 25m

$301

PortlandMiami

PDX - MIA

PDXMIA

Portland

Sat 1/11

6:45 am-7:50 pm

2 stops10h 05m

Miami

Mon 1/13

7:05 am-12:25 pm

1 stop8h 20m

$307

PortlandMiami

PDX - MIA

PDXMIA

Portland

Mon 2/17

6:32 am-5:16 am

1 stop19h 44m

$126

PortlandMiami

PDX - MIA

PDXMIA

Portland

Wed 12/4

7:16 pm-11:24 pm

3 stops25h 08m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

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 November 15, 2024.

To ensure you get the cheapest price possible for a flight from Portland to Key Largo, you should look to book at least 82 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 $218). Flying from Portland to Key Largo in March is currently the most expensive (average of $286). 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 November 20, 2024.

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 November 18, 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. Wednesday at noon 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 November 20, 2024.

The most flights from PDX to KE9 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 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 November 20, 2024.
See what other customers who have flown with Southwest, Alaska Airlines and American Airlines 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
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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 1 outbound flight 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 8 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 Frontier. According to our data, you can fly for as low as $126. Users have also found prices from $127 and $128 on Spirit Airlines and Delta, respectively.

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

    The cheapest flight price from Portland to Key Largo is $161. On average you can expect to pay $837. The most popular route, (Portland - Miami), can usually be booked for $181.

  • 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 $218). Flying from Portland to Key Largo in March is currently the most expensive (average of $286). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Orlando flights
Portland to Miami flights
Portland to Fort Lauderdale flights
Portland to Tampa flights
Boise to Orlando flights
Boise to Fort Lauderdale flights
Boise to Miami flights
Portland to Fort Myers flights
Portland to Sarasota flights
Portland to Jacksonville flights
Portland to Key West flights
Yakima to Orlando flights
Yakima to Fort Myers flights
Eugene to Orlando flights
Portland to West Palm Beach flights
Boise to Tampa flights
Medford to Orlando flights
Eugene to Miami flights
Portland to Panama City flights
Portland to Pensacola flights
Portland to Valparaiso flights
Redmond to Miami flights
Eugene to Tampa flights
Redmond to Fort Lauderdale flights
Boise to Pensacola flights
Redmond to Orlando flights
Boise to Fort Myers flights
Medford to Miami flights
Boise to West Palm Beach flights
Medford to Fort Lauderdale flights
Portland to Daytona Beach flights
Portland to Gainesville flights
Medford to Fort Myers flights
Eugene to Jacksonville flights
Portland to Tallahassee flights
Boise to Jacksonville flights
Eugene to Fort Lauderdale flights
Redmond to Fort Myers flights
Yakima to Tampa flights
Boise to Key West flights
Eugene to Pensacola flights
Boise to Daytona Beach flights
Redmond to Tampa flights
Redmond to West Palm Beach flights
Eugene to Fort Myers flights
Redmond to Jacksonville flights
Portland to Melbourne flights
Boise to Panama City flights
Medford to Tampa flights
Yakima to Jacksonville flights

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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$125Average$256FlexibilityNo cancel feeOn-time65%
FrontierCheapest$138Average$229FlexibilityNo cancel feeOn-time62%
DeltaCheapest$154Average$371FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$154Average$367FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$199Average$439FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$206Average$371FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$459FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines