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Rennes

$557+ Cheap flights from Seattle (SEA) to Rennes (RNS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — RNS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Seattle to Rennes

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Rennes (RNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$1,441
(KLM)

One-way from

$557
(KLM)
From Seattle/Tacoma Intl to Rennes St Jacques
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One-way flight from Seattle/Tacoma Intl to Rennes St Jacques
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Find flight deals from Seattle to Rennes

Cheapest flights from Seattle to Rennes
Explore the most affordable flight options available from Seattle to Rennes. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This KLM deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/59:05 amSEA - RNS
2 stops15h 30mKLM
Sat 7/1210:55 amRNS - SEA
1 stop15h 30mKLM
Deal found 6/11$1,441
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/259:45 amSEA - RNS
2 stops21h 50mDelta
Fri 8/111:20 amRNS - SEA
2 stops19h 56mDelta
Deal found 6/9$1,546
This Mytrip deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/253:45 pmSEA - RNS
2 stops17h 25mMultiple Airlines
Fri 8/15:15 pmRNS - SEA
3 stops38h 01mMultiple Airlines
Deal found 6/9$2,086

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Seattle to Rennes that are best for you.

Fly from

Seattle

Fly to

Rennes

Route

Depart

Return

Price

SeattleRennes

SEA - RNS

SEARNS

Seattle/Tacoma Intl

Sat 7/5

9:05 am-9:35 am

2 stops15h 30m

Rennes St Jacques

Sat 7/12

10:55 am-5:25 pm

1 stop15h 30m

$1,441

SeattleRennes

SEA - RNS

SEARNS

Seattle/Tacoma Intl

Fri 7/25

9:45 am-4:35 pm

2 stops21h 50m

Rennes St Jacques

Fri 8/1

11:20 am-10:16 pm

2 stops19h 56m

$1,546

SeattleRennes

SEA - RNS

SEARNS

Seattle/Tacoma Intl

Fri 7/25

3:45 pm-6:10 pm

2 stops17h 25m

Rennes St Jacques

Fri 8/1

5:15 pm-10:16 pm

3 stops38h 01m

$2,086

SeattleRennes

SEA - RNS

SEARNS

Seattle/Tacoma Intl

Wed 7/30

1:30 pm-11:05 am

1 stop12h 35m

$557

SeattleRennes

SEA - RNS

SEARNS

Seattle/Tacoma Intl

Wed 7/30

7:40 am-11:05 am

2 stops18h 25m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Best time to book a flight from Seattle to Rennes

Have a flexible travel schedule? Discover the best time to fly to Rennes from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Rennes

Rainfall in Rennes by month

Plan your trip to Rennes by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rennes ranges from 1.5 - 3.0 inches per month. October is typically the wettest month, when rainfall can reach 3.0 in. August is typically the driest time to visit Rennes when rainfall is around 1.5 in.

Temperature in Rennes by month

Plan your trip to Rennes by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rennes, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Rennes

Get insights into the airlines that provide service to Rennes. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Rennes. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Seattle to Rennes. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Seattle to Rennes round-trip?

    KLM, at $1,441, was found to be the cheapest airline from Seattle to Rennes. An alternate airline flying to your destination would be Delta.

  • Can I find deals for flights from Seattle to Rennes that include hotel bookings?

    Yes. In addition to deals on Seattle to Rennes flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Rennes?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Rennes.

  • Can I find deals for business class flights from Seattle to Rennes?

    Yes. Cheapflights offers flight deals from Seattle to Rennes by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Seattle to Rennes

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Nantes flights
Portland to Brest flights
Portland to Rennes flights

Top airline flying from Seattle to Rennes

Discover the top airline that operate flights from Seattle to Rennes. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$1,246Average$2,078FlexibilityNo cancel feeOn-time77%

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