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Cheap flights from Louisville to Washington from $175

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Washington departing on 10/24. 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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Cheap round-trip flights

American Airlines Logo
12:00 pm - 11:07 pmSDF-SEA
14h 07m1 stop
American Airlines Logo
1:35 am - 1:08 pmSEA-SDF
8h 33m1 stop
$330American Airlines
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Wed, Feb 18 - Tue, Feb 24
Multiple Airlines Logo
2:57 pm - 3:16 pmSDF-SEA
27h 19m1 stop
Multiple Airlines Logo
4:26 pm - 2:02 pmSEA-SDF
18h 36m1 stop
$336Multiple Airlines
Find Deal
Thu, Oct 16 - Thu, Oct 23
Delta Logo
4:21 pm - 8:26 pmSDF-PDX
7h 05m1 stop
Delta Logo
11:15 pm - 9:59 amPDX-SDF
7h 44m1 stop
$352Delta
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Sat, Nov 8 - Wed, Nov 12
Delta Logo
7:00 am - 1:05 pmSDF-GEG
9h 05m1 stop
Delta Logo
2:17 pm - 10:54 pmGEG-SDF
5h 37m1 stop
$355Delta
Find Deal
Thu, Oct 16 - Wed, Oct 22
Southwest Logo
6:45 am - 1:15 pmSDF-SEA
9h 30m1 stop
Southwest Logo
8:45 am - 9:10 pmSEA-SDF
9h 25m2 stops
$360Southwest
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Wed, Feb 18 - Wed, Feb 25
Southwest Logo
12:50 pm - 10:30 pmSDF-SEA
12h 40m2 stops
Southwest Logo
8:45 am - 10:10 pmSEA-SDF
10h 25m2 stops
$365Southwest
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Wed, Jan 7 - Wed, Feb 11
United Airlines Logo
11:00 am - 6:36 pmSDF-PDX
10h 36m2 stops
United Airlines Logo
11:59 pm - 9:59 amPDX-SDF
7h 00m1 stop
$371United Airlines
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Wed, Oct 29 - Mon, Nov 3
United Airlines Logo
7:00 am - 3:05 pmSDF-PDX
11h 05m2 stops
United Airlines Logo
12:53 pm - 10:30 pmPDX-SDF
6h 37m1 stop
$372United Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
Alaska Airlines Logo
1:42 pm - 10:59 pmSDF-GEG
12h 17m2 stops
Alaska Airlines Logo
5:30 am - 9:29 pmGEG-SDF
12h 59m2 stops
$638Alaska Airlines
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Tue, Nov 18 - Sat, Nov 22
Alaska Airlines Logo
2:21 pm - 12:20 amSDF-PUW
12h 59m2 stops
Alaska Airlines Logo
5:05 am - 9:17 pmPUW-SDF
13h 12m2 stops
$909Alaska Airlines
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Sat, Oct 18 - Thu, Oct 23

American Airlines flights from Louisville to State of Washington

Our best American Airlines deals on Louisville to State of Washington flight tickets
American Airlines
Feb 18
SDF12:00 pmLouisville Intl
14h 07m
1 stop
SEA11:07 pmSeattle/Tacoma Intl
Feb 24
SEA1:35 amSeattle/Tacoma Intl
8h 33m
1 stop
SDF1:08 pmLouisville Intl
$330
Find similar
American Airlines
Jan 7
SDF11:13 amLouisville Intl
14h 06m
1 stop
SEA10:19 pmSeattle/Tacoma Intl
Feb 11
SEA8:00 amSeattle/Tacoma Intl
6h 14m
1 stop
SDF5:14 pmLouisville Intl
$345
Find similar
American Airlines
Oct 29
SDF5:53 pmLouisville Intl
8h 13m
1 stop
PDX11:06 pmPortland
Nov 3
PDX1:28 pmPortland
6h 27m
1 stop
SDF10:55 pmLouisville Intl
$346
Find similar

Southwest flights from Louisville to State of Washington

Our best Southwest deals on Louisville to State of Washington flight tickets
Southwest
Feb 18
SDF6:45 amLouisville Intl
9h 30m
1 stop
SEA1:15 pmSeattle/Tacoma Intl
Feb 25
SEA8:45 amSeattle/Tacoma Intl
9h 25m
2 stops
SDF9:10 pmLouisville Intl
$360
Find similar
Southwest
Jan 7
SDF12:50 pmLouisville Intl
12h 40m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
Feb 11
SEA8:45 amSeattle/Tacoma Intl
10h 25m
2 stops
SDF10:10 pmLouisville Intl
$365
Find similar
Southwest
Oct 28
SDF6:25 amLouisville Intl
9h 10m
2 stops
SEA12:35 pmSeattle/Tacoma Intl
Nov 1
SEA5:45 amSeattle/Tacoma Intl
6h 20m
1 stop
SDF3:05 pmLouisville Intl
$366
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to State of Washington 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 September 23, 2025.
Use the filters below to find and compare flights from Louisville to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Wed 2/18

12:00 pm-11:07 pm

1 stop14h 07m

Seattle/Tacoma Intl

Tue 2/24

1:35 am-1:08 pm

1 stop8h 33m

$330

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Thu 10/16

2:57 pm-3:16 pm

1 stop27h 19m

Seattle/Tacoma Intl

Thu 10/23

4:26 pm-2:02 pm

1 stop18h 36m

$336

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 11/8

4:21 pm-8:26 pm

1 stop7h 05m

Portland

Wed 11/12

11:15 pm-9:59 am

1 stop7h 44m

$352

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Thu 10/16

7:00 am-1:05 pm

1 stop9h 05m

Spokane

Wed 10/22

2:17 pm-10:54 pm

1 stop5h 37m

$355

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Wed 2/18

6:45 am-1:15 pm

1 stop9h 30m

Seattle/Tacoma Intl

Wed 2/25

8:45 am-9:10 pm

2 stops9h 25m

$360

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Wed 1/7

12:50 pm-10:30 pm

2 stops12h 40m

Seattle/Tacoma Intl

Wed 2/11

8:45 am-10:10 pm

2 stops10h 25m

$365

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Wed 10/29

11:00 am-6:36 pm

2 stops10h 36m

Portland

Mon 11/3

11:59 pm-9:59 am

1 stop7h 00m

$371

LouisvillePortland

SDF - PDX

SDFPDX

Louisville Intl

Sat 10/18

7:00 am-3:05 pm

2 stops11h 05m

Portland

Sat 10/25

12:53 pm-10:30 pm

1 stop6h 37m

$372

LouisvilleSpokane

SDF - GEG

SDFGEG

Louisville Intl

Tue 11/18

1:42 pm-10:59 pm

2 stops12h 17m

Spokane

Sat 11/22

5:30 am-9:29 pm

2 stops12h 59m

$638

LouisvillePullman

SDF - PUW

SDFPUW

Louisville Intl

Sat 10/18

2:21 pm-12:20 am

2 stops12h 59m

Pullman Moscow Regional

Thu 10/23

5:05 am-9:17 pm

2 stops13h 12m

$909

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 Washington from

How to get the cheapest flight ticket from Louisville to State of Washington

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 State of Washington?

The month of October is, on average, the cheapest month to fly to State of Washington from Louisville, with most prices found around $373. If you aren’t able to travel to State of Washington during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $381.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Louisville to State of Washington is on a Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $417. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Louisville to State of Washington for around $575.

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

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $436. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $526 on average. Flights to State of Washington from Louisville in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $451 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Louisville for as low as $353 on momondo.

Can stopping save me money on Louisville to State of Washington flights?

You could potentially save up to 32% on your flight if you consider stops on a Louisville to State of Washington flight.

Cheap Louisville to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to State of Washington

Direct flights

None
There are no direct flights from Louisville to State of Washington. There are no popular flight routes from Louisville to State of Washington.
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  • When did momondo last update prices for flights from Louisville Intl Airport to Washington?

    Prices for flights from Louisville Intl Airport to Washington refresh daily.

  • How many operators does momondo search for flights from Louisville Intl Airport to Washington?

  • How old do you have to be to fly from Louisville Intl Airport to Washington?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Louisville to State of Washington

Compare and see reviews for airlines that fly from Louisville to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $206Free CancellationRating
7.9
7,974 reviews
Search Delta flights
American AirlinesPriceFrom $270Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $270Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
SouthwestPriceFrom $302Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $506Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Washington?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Washington for you.

Can I find flights from Louisville to Washington with flexible booking policies on momondo?

All flight searches from Louisville to Washington on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Louisville to Washington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Louisville to Washington.

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

Yes. momondo can track prices for Louisville to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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