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Find cheap flights from Oregon to Portugal from $274

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Oregon to Portugal departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 7/10
Wed 7/17

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In the last 7 days travelers have searched 42,898,604 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$274
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 31% increase in price.
Flight from Portland to Lisbon

FAQs for booking flights from Oregon to Portugal

  • How does KAYAK find such low prices on flights from Oregon to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oregon to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portugal from Oregon is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Oregon to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portugal with an airline and back to Oregon with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portugal from Oregon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Oregon to Portugal

Recent round-trip flight deals

11/12Tue
1 stopUnited Airlines
17h 55mPDX-LIS
11/19Tue
2 stopsUnited Airlines
43h 52mLIS-PDX
$508
11/12Tue
2 stopsUnited Airlines
15h 35mPDX-LIS
11/19Tue
2 stopsUnited Airlines
32h 57mLIS-PDX
$512
11/12Tue
2 stopsAir Canada
19h 40mPDX-LIS
11/19Tue
2 stopsAir Canada
55h 01mLIS-PDX
$515
11/12Tue
1 stop
17h 55mPDX-LIS
11/19Tue
2 stops
38h 21mLIS-PDX
$520
11/19Tue
1 stopFinnair
19h 25mPDX-LIS
12/2Mon
2 stopsFinnair
34h 35mLIS-PDX
$521
11/1Fri
2 stopsAir Canada
56h 20mPDX-LIS
11/15Fri
2 stopsAir Canada
19h 11mLIS-PDX
$524
11/20Wed
1 stopKLM
17h 05mPDX-LIS
12/4Wed
1 stopKLM
20h 44mLIS-PDX
$526
11/4Mon
1 stopKLM
17h 30mPDX-LIS
12/9Mon
1 stopKLM
27h 35mLIS-PDX
$557
11/19Tue
2 stopsFinnair
22h 56mPDX-LIS
12/2Mon
2 stopsFinnair
34h 35mLIS-PDX
$563
10/8Tue
1 stop
25h 35mPDX-LIS
10/15Tue
2 stops
20h 22mLIS-PDX
$713

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Recent one-way flight deals

10/20Sun
2 stops
25h 55mPDX-LIS
$274
10/1Tue
3 stops
22h 35mPDX-LIS
$347
10/1Tue
2 stops
44h 15mPDX-LIS
$353
11/4Mon
2 stopsUnited Airlines
26h 35mPDX-LIS
$482
11/4Mon
3 stopsUnited Airlines
34h 36mPDX-LIS
$514
8/10Sat
2 stopsAer Lingus
24h 02mPDX-LIS
$572
10/8Tue
1 stopKLM
17h 20mPDX-OPO
$604
10/20Sun
1 stopKLM
17h 05mPDX-LIS
$648
8/10Sat
1 stopAir Canada
27h 30mPDX-LIS
$650
8/22Thu
3 stopsAir Canada
17h 35mBOI-LIS
$951

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Last minute flights from Oregon to Portugal

Last minute flight, train and bus deals

6/11Tue
multi-stopUnited Airlines
16h 02mPDX-OPO
6/28Fri
multi-stopUnited Airlines
21h 41mOPO-PDX
$981
6/11Tue
multi-stopDelta
18h 10mPDX-OPO
6/28Fri
multi-stopDelta
15h 00mOPO-PDX
$1,097
6/11Tue
multi-stopKLM
17h 25mPDX-OPO
6/28Fri
multi-stopKLM
15h 00mOPO-PDX
$1,106
6/11Tue
multi-stopUnited Airlines
19h 37mPDX-LIS
6/28Fri
multi-stopUnited Airlines
39h 12mLIS-PDX
$1,169
6/15Sat
multi-stopAir Canada
30h 25mPDX-LIS
7/2Tue
multi-stopAir Canada
30h 17mLIS-PDX
$1,463
6/15Sat
multi-stopAir Canada
30h 25mPDX-LIS
7/2Tue
multi-stopAir Canada
17h 31mLIS-PDX
$1,469
6/13Thu
multi-stopAmerican Airlines
24h 06mPDX-LIS
7/4Thu
multi-stopAmerican Airlines
23h 18mLIS-PDX
$1,493
6/11Tue
multi-stopSWISS
44h 32mPDX-OPO
6/27Thu
multi-stopSWISS
27h 25mOPO-PDX
$1,585
6/15Sat
multi-stopKLM
25h 01mPDX-LIS
7/2Tue
multi-stopKLM
24h 25mLIS-PDX
$1,982
6/13Thu
multi-stopAmerican Airlines
24h 06mPDX-LIS
7/4Thu
multi-stopAmerican Airlines
15h 49mLIS-PDX
$1,984

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Flights to Portugal

Return flight deals:

Portugal - Oregon

Cabin classes: