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Cheap flights from Seattle to Lyon from $344

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Lyon departing on 9/15. 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 Seattle to Lyon

Cheap round-trip flights

Logo
3:45 pm - 10:35 pmSEA-LYS
21h 50m2 stops
Logo
7:00 am - 8:40 pmLYS-SEA
46h 40m2 stops
$649
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Sat, Sep 20 - Mon, Sep 29
Logo
7:00 pm - 10:35 pmSEA-LYS
18h 35m2 stops
Logo
7:00 am - 8:40 pmLYS-SEA
22h 40m2 stops
$654
Find Deal
Tue, Sep 16 - Mon, Sep 22
Scandinavian Airlines Logo
4:20 pm - 7:35 pmSEA-LYS
18h 15m1 stop
Scandinavian Airlines Logo
8:15 pm - 2:00 pmLYS-SEA
26h 45m1 stop
$666Scandinavian Airlines
Find Deal
Wed, Oct 1 - Thu, Oct 9
United Airlines Logo
7:15 am - 10:35 amSEA-LYS
18h 20m1 stop
United Airlines Logo
2:00 pm - 10:30 pmLYS-SEA
41h 30m2 stops
$693United Airlines
Find Deal
Mon, Oct 13 - Fri, Oct 24
Air Canada Logo
5:30 am - 10:35 amSEA-LYS
20h 05m2 stops
Air Canada Logo
2:00 pm - 9:21 amLYS-SEA
28h 21m2 stops
$706Air Canada
Find Deal
Mon, Oct 13 - Fri, Oct 24
Scandinavian Airlines Logo
4:20 pm - 7:35 pmSEA-LYS
18h 15m1 stop
Scandinavian Airlines Logo
8:15 pm - 2:00 pmLYS-SEA
26h 45m1 stop
$707Scandinavian Airlines
Find Deal
Wed, Oct 1 - Thu, Oct 9
Logo
7:15 am - 10:35 amSEA-LYS
18h 20m1 stop
Logo
6:50 am - 11:55 amLYS-SEA
14h 05m1 stop
$715
Find Deal
Mon, Oct 13 - Fri, Oct 24
United Airlines Logo
11:40 pm - 11:05 amSEA-LYS
26h 25m2 stops
United Airlines Logo
10:40 am - 12:59 amLYS-SEA
47h 19m3 stops
$740United Airlines
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Fri, Oct 24 - Sun, Nov 2
British Airways Logo
1:35 pm - 5:30 pmSEA-LYS
18h 55m1 stop
British Airways Logo
8:35 pm - 4:55 pmLYS-SEA
29h 20m1 stop
$774British Airways
Find Deal
Fri, Nov 14 - Sun, Dec 14
British Airways Logo
11:42 am - 1:40 pmSEA-LYS
16h 58m2 stops
British Airways Logo
6:05 pm - 4:55 pmLYS-SEA
31h 50m1 stop
$779British Airways
Find Deal
Fri, Nov 14 - Sun, Dec 14

TAP AIR PORTUGAL flights from Seattle to Lyon

Our best TAP AIR PORTUGAL deals on Seattle to Lyon flight tickets
TAP AIR PORTUGAL
Oct 1
SEA11:30 amSeattle/Tacoma Intl
52h 25m
2 stops
LYS12:55 amLyon-Saint Exupéry
Oct 9
LYS5:20 amLyon-Saint Exupéry
37h 59m
2 stops
SEA10:19 amSeattle/Tacoma Intl
$717
Find similar
TAP AIR PORTUGAL
Oct 1
SEA11:30 amSeattle/Tacoma Intl
52h 25m
2 stops
LYS12:55 amLyon-Saint Exupéry
Oct 9
LYS5:20 amLyon-Saint Exupéry
37h 59m
2 stops
SEA10:19 amSeattle/Tacoma Intl
$718
Find similar
TAP AIR PORTUGAL
Oct 1
SEA11:30 amSeattle/Tacoma Intl
52h 25m
2 stops
LYS12:55 amLyon-Saint Exupéry
Oct 9
LYS5:20 amLyon-Saint Exupéry
37h 59m
2 stops
SEA10:19 amSeattle/Tacoma Intl
$719
Find similar

British Airways flights from Seattle to Lyon

Our best British Airways deals on Seattle to Lyon flight tickets
British Airways
Nov 14
SEA1:35 pmSeattle/Tacoma Intl
18h 55m
1 stop
LYS5:30 pmLyon-Saint Exupéry
Dec 14
LYS8:35 pmLyon-Saint Exupéry
29h 20m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$774
Find similar
British Airways
Nov 14
SEA11:42 amSeattle/Tacoma Intl
16h 58m
2 stops
LYS1:40 pmLyon-Saint Exupéry
Dec 14
LYS6:05 pmLyon-Saint Exupéry
31h 50m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$779
Find similar
British Airways
Sep 5
SEA1:30 pmSeattle/Tacoma Intl
19h 55m
1 stop
LYS6:25 pmLyon-Saint Exupéry
Sep 13
LYS7:15 pmLyon-Saint Exupéry
25h 15m
1 stop
SEA11:30 amSeattle/Tacoma Intl
$866
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Lyon 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 31, 2025.
Use the filters below to find and compare flights from Seattle to Lyon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Sat 9/20

3:45 pm-10:35 pm

2 stops21h 50m

Lyon-Saint Exupéry

Mon 9/29

7:00 am-8:40 pm

2 stops46h 40m

$649

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Tue 9/16

7:00 pm-10:35 pm

2 stops18h 35m

Lyon-Saint Exupéry

Mon 9/22

7:00 am-8:40 pm

2 stops22h 40m

$654

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Wed 10/1

4:20 pm-7:35 pm

1 stop18h 15m

Lyon-Saint Exupéry

Thu 10/9

8:15 pm-2:00 pm

1 stop26h 45m

$666

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Mon 10/13

7:15 am-10:35 am

1 stop18h 20m

Lyon-Saint Exupéry

Fri 10/24

2:00 pm-10:30 pm

2 stops41h 30m

$693

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Mon 10/13

5:30 am-10:35 am

2 stops20h 05m

Lyon-Saint Exupéry

Fri 10/24

2:00 pm-9:21 am

2 stops28h 21m

$706

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Wed 10/1

4:20 pm-7:35 pm

1 stop18h 15m

Lyon-Saint Exupéry

Thu 10/9

8:15 pm-2:00 pm

1 stop26h 45m

$707

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Mon 10/13

7:15 am-10:35 am

1 stop18h 20m

Lyon-Saint Exupéry

Fri 10/24

6:50 am-11:55 am

1 stop14h 05m

$715

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Fri 10/24

11:40 pm-11:05 am

2 stops26h 25m

Lyon-Saint Exupéry

Sun 11/2

10:40 am-12:59 am

3 stops47h 19m

$740

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Fri 11/14

1:35 pm-5:30 pm

1 stop18h 55m

Lyon-Saint Exupéry

Sun 12/14

8:35 pm-4:55 pm

1 stop29h 20m

$774

SeattleLyon

SEA - LYS

SEALYS

Seattle/Tacoma Intl

Fri 11/14

11:42 am-1:40 pm

2 stops16h 58m

Lyon-Saint Exupéry

Sun 12/14

6:05 pm-4:55 pm

1 stop31h 50m

$779

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Lyon from

How to get the cheapest flight ticket from Seattle to Lyon

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 month to fly to Lyon?

If you aren’t able to travel during the month of January, then book flights to Lyon from Seattle during March instead. Flights to Lyon in March, while not as cheap as those in January, still average around $774.

What is the cheapest day to depart on your flight to Lyon?

Our data shows that Tuesday is the least expensive day to fly to Lyon. Tickets to fly out on this day can be as low as $877. The most expensive day to fly to Lyon is Thursday, with ticket prices averaging around $1,223.

What is the cheapest time of day to depart on your flight to Lyon?

Our data shows that the cheapest Seattle to Lyon flights are usually those with departure times in the morning. Our users have found flights to Lyon in the morning for as low as $901. Flights to Lyon are more costly at noon, with an average ticket price of $1,179. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Seattle to Lyon

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

Cheap Seattle to Lyon (SEA to LYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Lyon

Best Price Found

$344

Fastest flight time

13h 20m

Direct flights

None

Airports in Lyon

1 airport
The best one-way flight to Lyon from Seattle in the past 72 hours is $344. The best round-trip flight deal from Seattle to Lyon found on momondo in the last 72 hours is $649.
The fastest flight from Seattle to Lyon takes 13h 20m
There are no direct flights from Seattle to Lyon. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Lyon-Saint Exupéry Airport.
There is 1 airport near Lyon: Lyon-Saint Exupéry (LYS)
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  • How far is Seattle/Tacoma Intl to Lyon-Saint Exupéry by plane?

    The distance between Seattle/Tacoma Intl and Lyon-Saint Exupéry is about 5235.1 mi. In terms of flight time, this usually takes a little over 14h 20m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Lyon-Saint Exupéry Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Lyon-Saint Exupéry Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Lyon-Saint Exupéry Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Lyon-Saint Exupéry 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 Seattle/Tacoma Intl Airport to Lyon-Saint Exupéry Airport.

  • What documentation or ID do you need to fly to Lyon-Saint Exupéry Airport?

    The travel and health documents you'll need for your trip to Lyon-Saint Exupéry Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lyon-Saint Exupéry Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Lyon?

Best airlines flying from Seattle to Lyon

Compare and see reviews for airlines that fly from Seattle to Lyon with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $518Free CancellationRating
6.6
7,221 reviews
Search British Airways flights
Air FrancePriceFrom $661Free CancellationRating
7.5
1,465 reviews
Search Air France flights
DeltaPriceFrom $750Free CancellationRating
8.0
7,980 reviews
Search Delta flights
LufthansaPriceFrom $764Free CancellationRating
6.8
7,269 reviews
Search Lufthansa flights

Traveling to a place near Lyon?

Book flights to Lyon if you plan to visit one of these locations
Chamonix
Courchevel
Val Thorens
Megève
Ferney-Voltaire
Huez
Val-d'Isere
Évian-les-Bains
Vienne
Les Houches
Tignes
Samoëns
Albertville
Morzine
Lons-le-Saunier
Gap
Annemasse
Aubenas
Saint-Gervais-les-Bains
Tournus

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Lyon?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Lyon. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Lyon with flexible booking policies on momondo?

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

How can momondo help me find flights from Seattle to Lyon?

momondo provides multiple filters to help you find the best flight to Lyon from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Lyon from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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