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Flights from Portland to Key West

Find the cheapest flight options from Portland to Key West over the next three months. Book one-way tickets from VND 4,794,580 and round-trip tickets from VND 8,025,790.

      • PWM 06:00
        6h 48m
        1 stop
        EYW 12:48
        Portland - Key West | Wed, Jan 7 | Delta Air Lines
        EYW 14:45
        7h 42m
        1 stop
        PWM 22:27
        Key West - Portland | Wed, Jan 14 | Delta Air Lines
        VND 8,025,790 VND 18,620,173
        56% OFF
        56% OFF
        VND 18,620,173 VND 8,025,790
      • PWM 06:00
        7h 51m
        1 stop
        EYW 13:51
        Portland - Key West | Tue, Dec 16 | United Airlines
        EYW 17:10
        6h 49m
        1 stop
        PWM 23:59
        Key West - Portland | Sun, Dec 21 | United Airlines
        VND 8,954,857 VND 18,620,173
        52% OFF
        52% OFF
        VND 18,620,173 VND 8,954,857
      • PWM 06:00
        7h 3m
        1 stop
        EYW 13:03
        Portland - Key West | Wed, Jan 7 | United Airlines
        EYW 14:25
        18h 36m
        1 stop
        PWM 09:01
        Key West - Portland | Wed, Jan 14 | United Airlines
        VND 11,107,754 VND 18,620,173
        40% OFF
        40% OFF
        VND 18,620,173 VND 11,107,754
      • PWM 06:00
        7h 51m
        1 stop
        EYW 13:51
        Portland - Key West | Sun, Dec 14 | United Airlines
        EYW 15:09
        8h 13m
        1 stop
        PWM 23:22
        Key West - Portland | Thu, Dec 18 | United Airlines
        VND 11,630,120
        38% OFF
        VND 18,620,173 VND 11,630,120
      • PWM 06:00
        8h 13m
        1 stop
        EYW 14:13
        Portland - Key West | Sun, Dec 21 | United Airlines
        EYW 15:09
        8h 13m
        1 stop
        PWM 23:22
        Key West - Portland | Thu, Dec 25 | United Airlines
        VND 11,727,131
        37% OFF
        VND 18,620,173 VND 11,727,131
      • PWM 06:08
        7h 59m
        1 stop
        EYW 14:07
        Portland - Key West | Tue, Dec 16 | Delta Air Lines
        EYW 16:25
        6h 18m
        1 stop
        PWM 22:43
        Key West - Portland | Sun, Dec 21 | Delta Air Lines
        VND 11,887,572
        36% OFF
        VND 18,620,173 VND 11,887,572
      • PWM 05:30
        5h 59m
        1 stop
        EYW 11:29
        Portland - Key West | Sun, Jan 11 | Delta Air Lines
        EYW 13:28
        21h 52m
        1 stop
        PWM 11:20
        Key West - Portland | Sun, Jan 18 | Delta Air Lines
        VND 12,458,444
        33% OFF
        VND 18,620,173 VND 12,458,444
      • PWM 06:00
        7h 51m
        1 stop
        EYW 13:51
        Portland - Key West | Fri, Dec 12 | United Airlines
        EYW 14:47
        8h 22m
        1 stop
        PWM 23:09
        Key West - Portland | Tue, Dec 16 | United Airlines
        VND 12,812,907
        31% OFF
        VND 18,620,173 VND 12,812,907
      • PWM 06:00
        8h 13m
        1 stop
        EYW 14:13
        Portland - Key West | Thu, Dec 18 | United Airlines
        EYW 15:09
        8h 13m
        1 stop
        PWM 23:22
        Key West - Portland | Mon, Dec 22 | United Airlines
        VND 13,521,834
        27% OFF
        VND 18,620,173 VND 13,521,834
      • PWM 06:00
        8h 13m
        1 stop
        EYW 14:13
        Portland - Key West | Tue, Dec 23 | United Airlines
        EYW 17:43
        5h 39m
        1 stop
        PWM 23:22
        Key West - Portland | Sat, Dec 27 | United Airlines
        VND 13,592,726
        27% OFF
        VND 18,620,173 VND 13,592,726
      • PWM 13:00
        17h 25m
        1 stop
        EYW Invalid Date
        Portland - Key West | Sun, Dec 14 | Normal Airline
        EYW 15:00
        6h
        Direct
        PWM 16:00
        Key West - Portland | Tue, Dec 16 | Normal Airline
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        Find More Flights
      • PWM 05:30
        8h 18m
        1 stop
        EYW 13:48
        Portland - Key West | Wed, Jan 14 | Delta Air Lines
        VND 4,794,580 VND 9,741,985
        51% OFF
        51% OFF
        VND 9,741,985 VND 4,794,580
      • PWM 06:03
        8h 4m
        1 stop
        EYW 14:07
        Portland - Key West | Sun, Dec 14 | Delta Air Lines
        VND 4,835,623 VND 9,741,985
        50% OFF
        50% OFF
        VND 9,741,985 VND 4,835,623
      • PWM 05:30
        6h 1m
        1 stop
        EYW 11:31
        Portland - Key West | Fri, Jan 9 | Delta Air Lines
        VND 5,712,453 VND 9,741,985
        41% OFF
        41% OFF
        VND 9,741,985 VND 5,712,453
      • PWM 06:00
        6h 48m
        1 stop
        EYW 12:48
        Portland - Key West | Tue, Jan 20 | Delta Air Lines
        VND 5,712,453
        41% OFF
        VND 9,741,985 VND 5,712,453
      • PWM 06:00
        8h 6m
        1 stop
        EYW 14:06
        Portland - Key West | Sun, Dec 14 | United Airlines
        VND 5,734,840
        41% OFF
        VND 9,741,985 VND 5,734,840
      • PWM 06:00
        7h 3m
        1 stop
        EYW 13:03
        Portland - Key West | Tue, Jan 20 | United Airlines
        VND 5,768,420
        41% OFF
        VND 9,741,985 VND 5,768,420
      • PWM 06:00
        8h 13m
        1 stop
        EYW 14:13
        Portland - Key West | Fri, Jan 2 | United Airlines
        VND 5,783,345
        41% OFF
        VND 9,741,985 VND 5,783,345
      • PWM 06:00
        7h 3m
        1 stop
        EYW 13:03
        Portland - Key West | Wed, Jan 14 | United Airlines
        VND 6,745,992
        31% OFF
        VND 9,741,985 VND 6,745,992
      • PWM 06:00
        7h 3m
        1 stop
        EYW 13:03
        Portland - Key West | Sat, Jan 24 | United Airlines
        VND 6,745,992
        31% OFF
        VND 9,741,985 VND 6,745,992
      • PWM 07:00
        6h 37m
        1 stop
        EYW 13:37
        Portland - Key West | Fri, Jan 2 | Delta Air Lines
        VND 7,111,649
        27% OFF
        VND 9,741,985 VND 7,111,649
      • PWM 13:00
        17h 25m
        1 stop
        EYW Invalid Date
        Portland - Key West | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Portland to Key West are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Portland to Key West

The distance between Portland and Key West is 2,365.58km. Based on Trip.com's data, travel demand peaks in December. The off-season for travel is November.

Cheapest one-way flight priceVND 4,794,580
Cheapest return ticket priceVND 8,025,790
Off-season travel monthNovember
Peak season for travelDecember
Flight distance2,365.58km

Find the best time to fly from Portland to Key West

The cheapest time for Portland to Key West flights: Jan 11 to Jan 18 — one way flight prices from VND 4,794,579.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Portland to Key West, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Portland (PWM) to Key West (EYW)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as VND 4,794,580 on Cheapest nonstop routes (e.g. PWM to EYW on Wed, Jan 14), while Delta Air Lines offers Cheapest nonstop round-trips from VND 8,025,790 departing on Wed, Jan 7 and returning on Wed, Jan 14.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Portland to Key West is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Portland to Key West, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jan 14, with one-way flights priced at just VND 4,794,580.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Key West travel is around December.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Portland to Key West is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Portland to Key West on December 16, 2025 with United Airlines, with prices starting at VND 8,954,856.
  • The time difference between Key West and Portland is 0h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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