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Lafayette

$98+ Cheap flights from Seattle (SEA) to Lafayette, IN, IN

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IND
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Lafayette are usually found in February or January, booked 56 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Seattle to Lafayette

Keep the following information in mind while searching for Seattle to Lafayette flight deals. Data was last updated septiembre 11, 2025.

Round-trip from

$223
(United Airlines)

One-way from

$98
(Delta)

Popular in

December

Cheapest in

February

Average price

$332
From Seattle/Tacoma Intl to Lafayette
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One-way flight from Seattle/Tacoma Intl to Lafayette
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Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Lafayette

Cheapest flights from Seattle to Lafayette
Explore the most affordable flight options available from Seattle to Lafayette. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/2310:50 amSEA - IND
1 stop6h 24mUnited Airlines
lun. 10/276:00 amIND - SEA
1 stop8h 43mUnited Airlines
Deal found 9/10$223
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/147:10 amSEA - IND
2 stops12h 20mSouthwest
mié. 10/227:50 pmIND - SEA
1 stop6h 55mSouthwest
Deal found 9/10$226
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/266:12 amSEA - IND
1 stop10h 52mFrontier
lun. 9/298:54 pmIND - SEA
1 stop6h 36mFrontier
Deal found 9/10$230
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/712:34 amSEA - IND
1 stop8h 34mAmerican Airlines
mié. 10/227:25 pmIND - SEA
1 stop8h 02mAmerican Airlines
Deal found 9/11$233
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/88:42 amSEA - IND
1 stop8h 52mUnited Airlines
dom. 10/196:00 amIND - SEA
1 stop6h 43mUnited Airlines
Deal found 9/9$234
This Delta deal was found by Cheapflights users on 9/9. 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.
mar. 9/2311:40 pmSEA - IND
1 stop8h 52mDelta
vie. 9/266:51 pmIND - SEA
1 stop8h 03mDelta
Deal found 9/9$236
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/277:20 amSEA - IND
1 stop8h 02mDelta
mar. 9/307:10 amIND - SEA
1 stop10h 18mDelta
Deal found 9/11$237
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2212:34 amSEA - IND
1 stop6h 35mAmerican Airlines
sáb. 10/258:36 amIND - SEA
1 stop9h 10mAmerican Airlines
Deal found 9/10$238
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/238:34 amSEA - IND
1 stop10h 01mAmerican Airlines
jue. 9/251:58 pmIND - SEA
1 stop8h 56mAmerican Airlines
Deal found 9/11$239
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/231:02 pmSEA - IND
2 stops18h 34mFrontier
lun. 10/278:51 pmIND - SEA
1 stop18h 22mFrontier
Deal found 9/10$240
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/256:12 amSEA - IND
1 stop10h 52mFrontier
lun. 9/2912:06 pmIND - SEA
2 stops15h 24mFrontier
Deal found 9/10$242
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/111:15 amSEA - IND
1 stop8h 43mDelta
sáb. 10/46:51 pmIND - SEA
1 stop8h 03mDelta
Deal found 9/11$245

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Lafayette 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 septiembre 11, 2025.
Use the filters below to find and compare flights from Seattle to Lafayette that are best for you.

Fly from

Seattle

Fly to

Lafayette

Route

Depart

Return

Price

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

jue. 10/23

10:50 am-8:14 pm

1 stop6h 24m

Indianapolis

lun. 10/27

6:00 am-11:43 am

1 stop8h 43m

$223

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

mar. 10/14

7:10 am-10:30 pm

2 stops12h 20m

Indianapolis

mié. 10/22

7:50 pm-11:45 pm

1 stop6h 55m

$226

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

mar. 10/7

12:34 am-12:08 pm

1 stop8h 34m

Indianapolis

mié. 10/15

7:25 pm-12:27 am

1 stop8h 02m

$233

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

mié. 10/8

8:42 am-8:34 pm

1 stop8h 52m

Indianapolis

dom. 10/19

6:00 am-9:43 am

1 stop6h 43m

$234

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

sáb. 9/27

7:20 am-6:22 pm

1 stop8h 02m

Indianapolis

mar. 9/30

7:10 am-2:28 pm

1 stop10h 18m

$237

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

mié. 10/1

11:15 am-10:58 pm

1 stop8h 43m

Indianapolis

sáb. 10/4

6:51 pm-11:54 pm

1 stop8h 03m

$245

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

mar. 3/3

1:30 pm-10:58 pm

1 stop6h 28m

Indianapolis

mié. 3/4

8:00 am-3:08 pm

1 stop10h 08m

$248

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

mié. 10/8

6:55 am-7:05 pm

2 stops9h 10m

Indianapolis

mié. 10/15

4:00 pm-11:45 pm

1 stop10h 45m

$249

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

vie. 10/17

11:55 pm-11:33 am

1 stop8h 38m

Indianapolis

mié. 10/22

4:40 pm-11:54 pm

1 stop10h 14m

$255

SeattleIndianapolis

SEA - IND

SEAIND

Seattle/Tacoma Intl

vie. 10/3

9:55 pm-5:10 am

Nonstop4h 15m

Indianapolis

mié. 10/15

7:00 am-8:47 am

Nonstop4h 47m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 23 results
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Best time to book a flight from Seattle to Lafayette

Have a flexible travel schedule? Discover the best time to fly to Lafayette 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 Lafayette

How far ahead should I book a flight from Seattle to Lafayette?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Lafayette. Price data was last updated on August 29, 2025.

The price you pay for your flight from Seattle to Lafayette may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Lafayette?

Currently, August is the cheapest month in which you can book a flight from Seattle to Lafayette (average of $286). Flying from Seattle to Lafayette in March is currently the most expensive (average of $360). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to L4F?

Find hourly flight availability from Seattle to Lafayette. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

When flying from Seattle to Lafayette, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Seattle to Lafayette?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Lafayette. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Lafayette flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Lafayette

Explore weekly flight availability from Seattle to Lafayette. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated septiembre 11, 2025.

The most flights from SEA to L4F are scheduled on a Thursday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Seattle to Lafayette?

Reviews of airlines servicing Lafayette

Get insights into the airlines that provide service to Lafayette. 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 Lafayette. Reviews last updated septiembre 11, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Seattle to Lafayette to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,960 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,937 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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

  • What airport do you fly from for flights from Seattle to Lafayette?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Lafayette. On average, Seattle/Tacoma Intl has 4 outbound flights to Lafayette per day from 7 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How popular is this Seattle to Lafayette flight route?

    Flights from Seattle/Tacoma Intl to Lafayette have been viewed 8 times in the past calendar month.

  • How long is the flight from Seattle to Lafayette?

    United Airlines, Southwest, and American Airlines can get you from Seattle to Lafayette in just under 6h 24m. Your travel time can differ by up to 5h 56m. Airlines will cover a distance of 1860 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Seattle to Lafayette one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $113. Users have also found prices from $117 and $131 on Southwest and Delta, respectively.

  • What are the most reliable airlines from Seattle to Lafayette?

    No one likes to see their flight delayed. When booking a flight from Seattle to Lafayette consider choosing Finnair (66%), American Airlines (59%) or Alaska Airlines (56%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Lafayette?

    While on average a flight from Seattle to Lafayette is generally $322, our data shows the cheapest flight currently is $158. When looking at the most popular route, (Seattle/Tacoma Intl - Indianapolis), you can expect to pay $164 for that flight.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Seattle to Lafayette?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Lafayette (average of $286). Flying from Seattle to Lafayette in March is currently the most expensive (average of $360). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 7 airlines flying from Seattle to Lafayette

Discover the top 7 airlines that operate flights from Seattle to Lafayette. 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$374FlexibilityNo cancel feeOn-time65%
DeltaCheapest$159Average$437FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$197Average$480FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$230Average$546FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$234Average$344FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$247Average$363FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$256Average$422FlexibilityNo cancel feeOn-time75%

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