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Cheap flights from Portland to Rennes from $461

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 Rennes departing on 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland to Rennes

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
3:00 pm - 10:20 am
PDX
-
RNS
34h 20m
2 stops
KLM Logo
6:05 pm - 5:34 pm
RNS
-
PDX
32h 29m
2 stops
$1,213KLM
Sat, Jul 4 - Sun, Aug 9
KLM Logo
3:00 pm - 10:20 am
PDX
-
RNS
34h 20m
2 stops
KLM Logo
11:05 am - 10:02 pm
RNS
-
PDX
19h 57m
2 stops
$1,218KLM
Sat, Jul 4 - Sun, Aug 9
Multiple Airlines Logo
3:00 pm - 10:20 am
PDX
-
RNS
34h 20m
2 stops
Multiple Airlines Logo
6:05 pm - 6:56 pm
RNS
-
PDX
33h 51m
2 stops
$1,267Multiple Airlines
Sat, Jul 4 - Sat, Jul 11
Air France Logo
1:05 pm - 5:35 pm
PDX
-
RNS
19h 30m
1 stop
Air France Logo
6:05 pm - 6:56 pm
RNS
-
PDX
33h 51m
2 stops
$1,276Air France
Sat, Jul 4 - Sat, Jul 11
KLM Logo
1:05 pm - 5:35 pm
PDX
-
RNS
19h 30m
1 stop
KLM Logo
6:05 pm - 5:34 pm
RNS
-
PDX
32h 29m
2 stops
$1,278KLM
Sat, Jul 4 - Sun, Aug 9
KLM Logo
1:05 pm - 5:35 pm
PDX
-
RNS
19h 30m
1 stop
KLM Logo
11:05 am - 10:02 pm
RNS
-
PDX
19h 57m
2 stops
$1,283KLM
Sat, Jul 4 - Sun, Aug 9
KLM Logo
1:05 pm - 5:35 pm
PDX
-
RNS
19h 30m
1 stop
KLM Logo
6:05 pm - 11:10 am
RNS
-
PDX
26h 05m
1 stop
$1,367KLM
Sat, Jul 4 - Sun, Aug 9
KLM Logo
1:05 pm - 5:35 pm
PDX
-
RNS
19h 30m
1 stop
KLM Logo
6:05 pm - 11:10 am
RNS
-
PDX
26h 05m
1 stop
$1,404KLM
Sat, Jul 4 - Sun, Aug 9
KLM Logo
1:05 pm - 5:35 pm
PDX
-
RNS
19h 30m
1 stop
KLM Logo
6:05 pm - 11:10 am
RNS
-
PDX
26h 05m
1 stop
$1,458KLM
Sat, Jul 4 - Sat, Jul 11
Multiple Airlines Logo
3:30 pm - 3:40 pm
PDX
-
RNS
15h 10m
2 stops
Multiple Airlines Logo
10:00 am - 9:31 am
RNS
-
PDX
32h 31m
3 stops
$1,545Multiple Airlines
Sat, Jul 4 - Sun, Aug 9

KLM flights from Portland to Rennes

Our best KLM deals on Portland to Rennes flight tickets
KLM
Jul 4
PDX3:00 pmPortland
34h 20m
2 stops
RNS10:20 amRennes St Jacques
Aug 9
RNS6:05 pmRennes St Jacques
32h 29m
2 stops
PDX5:34 pmPortland
$1,213
KLM
Jul 4
PDX3:00 pmPortland
34h 20m
2 stops
RNS10:20 amRennes St Jacques
Aug 9
RNS11:05 amRennes St Jacques
19h 57m
2 stops
PDX10:02 pmPortland
$1,218
KLM
Jul 4
PDX1:05 pmPortland
19h 30m
1 stop
RNS5:35 pmRennes St Jacques
Aug 9
RNS6:05 pmRennes St Jacques
32h 29m
2 stops
PDX5:34 pmPortland
$1,278

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Rennes 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 May 25, 2026.
Use the filters below to find and compare flights from Portland to Rennes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandRennes

PDX - RNS

PDXRNS

Portland

Sat 7/4

3:00 pm-10:20 am

2 stops34h 20m

Rennes St Jacques

Sun 8/9

6:05 pm-5:34 pm

2 stops32h 29m

$1,213

PortlandRennes

PDX - RNS

PDXRNS

Portland

Sat 7/4

3:00 pm-10:20 am

2 stops34h 20m

Rennes St Jacques

Sun 8/9

11:05 am-10:02 pm

2 stops19h 57m

$1,218

PortlandRennes

PDX - RNS

PDXRNS

Portland

Sat 7/4

3:00 pm-10:20 am

2 stops34h 20m

Rennes St Jacques

Sat 7/11

6:05 pm-6:56 pm

2 stops33h 51m

$1,267

PortlandRennes

PDX - RNS

PDXRNS

Portland

Sat 7/4

1:05 pm-5:35 pm

1 stop19h 30m

Rennes St Jacques

Sat 7/11

6:05 pm-6:56 pm

2 stops33h 51m

$1,276

PortlandRennes

PDX - RNS

PDXRNS

Portland

Sat 7/4

1:05 pm-5:35 pm

1 stop19h 30m

Rennes St Jacques

Sun 8/9

6:05 pm-5:34 pm

2 stops32h 29m

$1,278
Quickest round-trip

PortlandRennes

PDX - RNS

PDXRNS

Portland

Sat 7/4

1:05 pm-5:35 pm

1 stop19h 30m

Rennes St Jacques

Sun 8/9

11:05 am-10:02 pm

2 stops19h 57m

$1,283

PortlandRennes

PDX - RNS

PDXRNS

Portland

Sat 7/4

1:05 pm-5:35 pm

1 stop19h 30m

Rennes St Jacques

Sun 8/9

6:05 pm-11:10 am

1 stop26h 05m

$1,367

PortlandRennes

PDX - RNS

PDXRNS

Portland

Sat 7/4

1:05 pm-5:35 pm

1 stop19h 30m

Rennes St Jacques

Sun 8/9

6:05 pm-11:10 am

1 stop26h 05m

$1,404

PortlandRennes

PDX - RNS

PDXRNS

Portland

Sat 7/4

1:05 pm-5:35 pm

1 stop19h 30m

Rennes St Jacques

Sat 7/11

6:05 pm-11:10 am

1 stop26h 05m

$1,458

PortlandRennes

PDX - RNS

PDXRNS

Portland

Sat 7/4

3:30 pm-3:40 pm

2 stops15h 10m

Rennes St Jacques

Sun 8/9

10:00 am-9:31 am

3 stops32h 31m

$1,545

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Rennes from

How to get the cheapest flight ticket from Portland to Rennes

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 Rennes St Jacques?

Air France and KLM are the most popular carriers operating from Portland to Rennes St Jacques

When to book flights from Portland to Rennes

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

Cheap Portland to Rennes (PDX to RNS) flight deals and tips

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

Fastest flight time

34h 20m

Direct flights

None
The fastest flight from Portland to Rennes takes 34h 20m
There are no direct flights from Portland to Rennes. There are no popular flight routes from Portland to Rennes.
Search flight deals

Frequently asked questions about flying from Portland to Rennes

  • How far is Portland to Rennes St Jacques by plane?

    A flight from Portland to Rennes St Jacques will travel around 5049.1 mi. By plane, this route typically takes 34h 20m.

  • When did momondo last update prices for flights from Portland Airport to Rennes St Jacques Airport?

    Prices for flights from Portland Airport to Rennes St Jacques Airport were last updated today.

  • How old do you have to be to fly from Portland Airport to Rennes St Jacques Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Rennes St Jacques Airport.

  • What documentation or ID do you need to fly to Rennes St Jacques Airport?

    The required travel and health documents for your Rennes St Jacques 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 Rennes St Jacques Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Rennes from Portland.

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

Flights from Portland to Rennes with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Rennes from Portland.

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

Yes momondo offers price alerts on flights to Rennes from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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