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Cheap flights from Portland to Thera from $468

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 9/26. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Portland to Thera

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:27 pm - 4:55 pm
PDX
-
JTR
40h 28m
2 stops
Lufthansa Logo
5:40 pm - 6:53 pm
JTR
-
PDX
35h 13m
2 stops
$957Lufthansa
Tue, Aug 25 - Tue, Sep 1
Lufthansa Logo
8:17 am - 4:55 pm
PDX
-
JTR
46h 38m
2 stops
Lufthansa Logo
5:40 pm - 10:52 pm
JTR
-
PDX
39h 12m
2 stops
$970Lufthansa
Tue, Aug 25 - Tue, Sep 1
British Airways Logo
7:30 pm - 1:50 pm
PDX
-
JTR
32h 20m
1 stop
British Airways Logo
6:30 pm - 11:59 pm
JTR
-
PDX
39h 29m
2 stops
$1,015British Airways
Sun, Aug 30 - Sat, Sep 5
British Airways Logo
6:27 am - 1:55 pm
PDX
-
JTR
21h 28m
2 stops
British Airways Logo
6:30 pm - 6:00 pm
JTR
-
PDX
33h 30m
2 stops
$1,063British Airways
Sun, Aug 30 - Sat, Sep 5
Multiple Airlines Logo
10:35 am - 6:10 pm
PDX
-
JTR
45h 35m
2 stops
Multiple Airlines Logo
7:10 pm - 10:45 pm
JTR
-
PDX
37h 35m
2 stops
$1,073Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
SWISS Logo
3:43 pm - 6:10 pm
PDX
-
JTR
40h 27m
2 stops
SWISS Logo
8:45 pm - 7:11 pm
JTR
-
PDX
32h 26m
2 stops
$1,075SWISS
Wed, Aug 19 - Mon, Aug 24
Multiple Airlines Logo
2:27 pm - 4:50 pm
PDX
-
JTR
40h 23m
2 stops
Multiple Airlines Logo
8:45 pm - 7:11 pm
JTR
-
PDX
32h 26m
2 stops
$1,086Multiple Airlines
Sun, Aug 16 - Mon, Aug 24
Lufthansa Logo
10:43 am - 6:20 pm
PDX
-
JTR
21h 37m
2 stops
Lufthansa Logo
7:35 pm - 10:23 pm
JTR
-
PDX
36h 48m
2 stops
$1,087Lufthansa
Tue, Oct 6 - Sat, Oct 17
British Airways Logo
7:30 pm - 4:15 pm
PDX
-
JTR
34h 45m
1 stop
British Airways Logo
3:55 pm - 5:40 pm
JTR
-
PDX
35h 45m
1 stop
$1,091British Airways
Tue, Oct 6 - Sat, Oct 17
British Airways Logo
7:30 pm - 4:15 pm
PDX
-
JTR
34h 45m
1 stop
British Airways Logo
3:55 pm - 5:40 pm
JTR
-
PDX
35h 45m
1 stop
$1,096British Airways
Tue, Oct 6 - Sat, Oct 17

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American Airlines flights from Portland to Thera

Our best American Airlines deals on Portland to Thera flight tickets
American Airlines
Oct 6
PDX9:44 pmPortland
32h 31m
2 stops
JTR4:15 pmThera Santorini
Oct 17
JTR3:55 pmThera Santorini
35h 08m
2 stops
PDX5:03 pmPortland
$1,176
American Airlines
Oct 6
PDX9:44 pmPortland
32h 31m
2 stops
JTR4:15 pmThera Santorini
Oct 17
JTR3:55 pmThera Santorini
35h 08m
2 stops
PDX5:03 pmPortland
$1,181

Lufthansa flights from Portland to Thera

Our best Lufthansa deals on Portland to Thera flight tickets
Lufthansa
Aug 25
PDX2:27 pmPortland
40h 28m
2 stops
JTR4:55 pmThera Santorini
Sep 1
JTR5:40 pmThera Santorini
35h 13m
2 stops
PDX6:53 pmPortland
$957
Lufthansa
Aug 25
PDX8:17 amPortland
46h 38m
2 stops
JTR4:55 pmThera Santorini
Sep 1
JTR5:40 pmThera Santorini
39h 12m
2 stops
PDX10:52 pmPortland
$970
Lufthansa
Oct 6
PDX10:43 amPortland
21h 37m
2 stops
JTR6:20 pmThera Santorini
Oct 17
JTR7:35 pmThera Santorini
36h 48m
2 stops
PDX10:23 pmPortland
$1,087

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 July 30, 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 8/25

2:27 pm-4:55 pm

2 stops40h 28m

Thera Santorini

Tue 9/1

5:40 pm-6:53 pm

2 stops35h 13m

$957

PortlandThera

PDX - JTR

PDXJTR

Portland

Tue 8/25

8:17 am-4:55 pm

2 stops46h 38m

Thera Santorini

Tue 9/1

5:40 pm-10:52 pm

2 stops39h 12m

$970

PortlandThera

PDX - JTR

PDXJTR

Portland

Sun 8/30

7:30 pm-1:50 pm

1 stop32h 20m

Thera Santorini

Sat 9/5

6:30 pm-11:59 pm

2 stops39h 29m

$1,015
Quickest round-trip

PortlandThera

PDX - JTR

PDXJTR

Portland

Sun 8/30

6:27 am-1:55 pm

2 stops21h 28m

Thera Santorini

Sat 9/5

6:30 pm-6:00 pm

2 stops33h 30m

$1,063

PortlandThera

PDX - JTR

PDXJTR

Portland

Wed 9/9

10:35 am-6:10 pm

2 stops45h 35m

Thera Santorini

Wed 9/16

7:10 pm-10:45 pm

2 stops37h 35m

$1,073

PortlandThera

PDX - JTR

PDXJTR

Portland

Wed 8/19

3:43 pm-6:10 pm

2 stops40h 27m

Thera Santorini

Mon 8/24

8:45 pm-7:11 pm

2 stops32h 26m

$1,075

PortlandThera

PDX - JTR

PDXJTR

Portland

Sun 8/16

2:27 pm-4:50 pm

2 stops40h 23m

Thera Santorini

Mon 8/24

8:45 pm-7:11 pm

2 stops32h 26m

$1,086

PortlandThera

PDX - JTR

PDXJTR

Portland

Tue 10/6

10:43 am-6:20 pm

2 stops21h 37m

Thera Santorini

Sat 10/17

7:35 pm-10:23 pm

2 stops36h 48m

$1,087

PortlandThera

PDX - JTR

PDXJTR

Portland

Tue 10/6

7:30 pm-4:15 pm

1 stop34h 45m

Thera Santorini

Sat 10/17

3:55 pm-5:40 pm

1 stop35h 45m

$1,091

PortlandThera

PDX - JTR

PDXJTR

Portland

Tue 10/6

7:30 pm-4:15 pm

1 stop34h 45m

Thera Santorini

Sat 10/17

3:55 pm-5:40 pm

1 stop35h 45m

$1,096

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?

Air Canada, Lufthansa, 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

23h 22m

Direct flights

None
The fastest flight from Portland to Thera takes 23h 22m
There are no direct flights from Portland to Thera. There are no popular flight routes from Portland to Thera.
Search flight deals

Frequently asked questions about flying from Portland to Thera

  • 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 23h 22m.

  • 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
Ios
Firostefani
Kamari
Perissa
Megalochori
Mylopotas
Pyrgos Kallistis
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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