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Cheap flights from Portland to Thera from $486

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Thera departing on 7/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Thera

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:30 pm - 4:15 pm
PDX
-
JTR
34h 45m
1 stop
British Airways Logo
5:10 pm - 5:40 pm
JTR
-
PDX
34h 30m
1 stop
$890British Airways
Tue, Apr 14 - Sun, Apr 19
British Airways Logo
7:30 pm - 2:05 pm
PDX
-
JTR
32h 35m
1 stop
British Airways Logo
2:45 pm - 5:40 pm
JTR
-
PDX
36h 55m
1 stop
$970British Airways
Wed, Apr 15 - Mon, Apr 20
British Airways Logo
7:30 pm - 2:05 pm
PDX
-
JTR
32h 35m
1 stop
British Airways Logo
2:45 pm - 5:40 pm
JTR
-
PDX
36h 55m
1 stop
$971British Airways
Wed, Apr 15 - Mon, Apr 20
British Airways Logo
7:30 pm - 4:15 pm
PDX
-
JTR
34h 45m
1 stop
British Airways Logo
2:45 pm - 5:40 pm
JTR
-
PDX
36h 55m
1 stop
$975British Airways
Tue, Apr 14 - Mon, Apr 20
British Airways Logo
7:30 pm - 4:15 pm
PDX
-
JTR
34h 45m
1 stop
British Airways Logo
2:45 pm - 5:40 pm
JTR
-
PDX
36h 55m
1 stop
$976British Airways
Tue, Apr 14 - Mon, Apr 20
American Airlines Logo
7:30 pm - 2:05 pm
PDX
-
JTR
32h 35m
1 stop
American Airlines Logo
2:45 pm - 8:19 pm
JTR
-
PDX
39h 34m
2 stops
$983American Airlines
Wed, Apr 15 - Mon, Apr 20
Multiple Airlines Logo
7:30 pm - 2:05 pm
PDX
-
JTR
32h 35m
1 stop
Multiple Airlines Logo
2:45 pm - 4:50 pm
JTR
-
PDX
36h 05m
2 stops
$984Multiple Airlines
Wed, Apr 15 - Mon, Apr 20
American Airlines Logo
7:00 am - 4:15 pm
PDX
-
JTR
23h 15m
2 stops
American Airlines Logo
2:45 pm - 8:19 pm
JTR
-
PDX
39h 34m
2 stops
$988American Airlines
Wed, Apr 15 - Mon, Apr 20
American Airlines Logo
11:40 pm - 4:15 pm
PDX
-
JTR
54h 35m
2 stops
American Airlines Logo
2:45 pm - 8:19 pm
JTR
-
PDX
39h 34m
2 stops
$995American Airlines
Mon, Apr 13 - Mon, Apr 20
British Airways Logo
7:30 pm - 3:05 pm
PDX
-
JTR
33h 35m
1 stop
British Airways Logo
5:10 pm - 5:40 pm
JTR
-
PDX
34h 30m
1 stop
$1,000British Airways
Thu, Apr 16 - Sun, Apr 19

British Airways flights from Portland to Thera

Our best British Airways deals on Portland to Thera flight tickets
British Airways
Apr 14
PDX7:30 pmPortland
34h 45m
1 stop
JTR4:15 pmThera Santorini
Apr 19
JTR5:10 pmThera Santorini
34h 30m
1 stop
PDX5:40 pmPortland
$890
British Airways
Apr 15
PDX7:30 pmPortland
32h 35m
1 stop
JTR2:05 pmThera Santorini
Apr 20
JTR2:45 pmThera Santorini
36h 55m
1 stop
PDX5:40 pmPortland
$970
British Airways
Apr 15
PDX7:30 pmPortland
32h 35m
1 stop
JTR2:05 pmThera Santorini
Apr 20
JTR2:45 pmThera Santorini
36h 55m
1 stop
PDX5:40 pmPortland
$971

American Airlines flights from Portland to Thera

Our best American Airlines deals on Portland to Thera flight tickets
American Airlines
Apr 15
PDX7:30 pmPortland
32h 35m
1 stop
JTR2:05 pmThera Santorini
Apr 20
JTR2:45 pmThera Santorini
39h 34m
2 stops
PDX8:19 pmPortland
$983
American Airlines
Apr 15
PDX7:00 amPortland
23h 15m
2 stops
JTR4:15 pmThera Santorini
Apr 20
JTR2:45 pmThera Santorini
39h 34m
2 stops
PDX8:19 pmPortland
$988
American Airlines
Apr 13
PDX11:40 pmPortland
54h 35m
2 stops
JTR4:15 pmThera Santorini
Apr 20
JTR2:45 pmThera Santorini
39h 34m
2 stops
PDX8:19 pmPortland
$995

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Thera 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, momondo users made 832,500 searches. Data last updated March 16, 2026.
Use the filters below to find and compare flights from Portland to Thera that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandThera

PDX - JTR

PDXJTR

Portland

Tue 4/14

7:30 pm-4:15 pm

1 stop34h 45m

Thera Santorini

Sun 4/19

5:10 pm-5:40 pm

1 stop34h 30m

$890

PortlandThera

PDX - JTR

PDXJTR

Portland

Wed 4/15

7:30 pm-2:05 pm

1 stop32h 35m

Thera Santorini

Mon 4/20

2:45 pm-5:40 pm

1 stop36h 55m

$970

PortlandThera

PDX - JTR

PDXJTR

Portland

Wed 4/15

7:30 pm-2:05 pm

1 stop32h 35m

Thera Santorini

Mon 4/20

2:45 pm-5:40 pm

1 stop36h 55m

$971

PortlandThera

PDX - JTR

PDXJTR

Portland

Tue 4/14

7:30 pm-4:15 pm

1 stop34h 45m

Thera Santorini

Mon 4/20

2:45 pm-5:40 pm

1 stop36h 55m

$975

PortlandThera

PDX - JTR

PDXJTR

Portland

Tue 4/14

7:30 pm-4:15 pm

1 stop34h 45m

Thera Santorini

Mon 4/20

2:45 pm-5:40 pm

1 stop36h 55m

$976

PortlandThera

PDX - JTR

PDXJTR

Portland

Wed 4/15

7:30 pm-2:05 pm

1 stop32h 35m

Thera Santorini

Mon 4/20

2:45 pm-8:19 pm

2 stops39h 34m

$983

PortlandThera

PDX - JTR

PDXJTR

Portland

Wed 4/15

7:30 pm-2:05 pm

1 stop32h 35m

Thera Santorini

Mon 4/20

2:45 pm-4:50 pm

2 stops36h 05m

$984
Quickest round-trip

PortlandThera

PDX - JTR

PDXJTR

Portland

Wed 4/15

7:00 am-4:15 pm

2 stops23h 15m

Thera Santorini

Mon 4/20

2:45 pm-8:19 pm

2 stops39h 34m

$988

PortlandThera

PDX - JTR

PDXJTR

Portland

Mon 4/13

11:40 pm-4:15 pm

2 stops54h 35m

Thera Santorini

Mon 4/20

2:45 pm-8:19 pm

2 stops39h 34m

$995

PortlandThera

PDX - JTR

PDXJTR

Portland

Thu 4/16

7:30 pm-3:05 pm

1 stop33h 35m

Thera Santorini

Sun 4/19

5:10 pm-5:40 pm

1 stop34h 30m

$1,000

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Thera from

How to get the cheapest flight ticket from Portland to Thera

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Portland to Thera Santorini?

Finnair and British Airways are the most popular carriers operating from Portland to Thera Santorini

When to book flights from Portland to Thera

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Thera according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Thera (PDX to JTR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Thera

Fastest flight time

27h 13m

Direct flights

None
The fastest flight from Portland to Thera takes 27h 13m
There are no direct flights from Portland to Thera. There are no popular flight routes from Portland to Thera.
Search flight deals

  • How far is Portland to Thera Santorini by plane?

    A flight from Portland to Thera Santorini will travel around 6432.2 mi. In terms of flight time, this usually takes a little over 27h 13m.

  • When did momondo last update prices for flights from Portland Airport to Thera Santorini Airport?

    Prices for flights from Portland Airport to Thera Santorini Airport refresh daily.

  • How old do you have to be to fly from Portland Airport to Thera Santorini Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Thera Santorini Airport.

  • What documentation or ID do you need to fly to Thera Santorini Airport?

    The required travel and health documents for your Thera Santorini Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Thera Santorini Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Thera?

Book flights to Thera if you plan to visit one of these locations
Oia
Imerovigli
Kamari
Pyrgos Kallistis
Ios
Firostefani
Perissa
Megalochori
Mylopotas
Karterados

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Thera?

It is quick and easy to find Portland to Thera flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Thera that suits you.

Can I find flights from Portland to Thera with flexible booking policies on momondo?

Yes. All flights to Thera from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to Thera?

momondo helps you find the best flight between Portland and Thera by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to Thera right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Thera, momondo offers a useful price alert feature which will track prices for flights to Thera from Portland and alert you when they change.

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