Washington

$125+ Cheap flights from Indiana to Washington

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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SEA
Jul 31 — Aug 71
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Cheap flight deals from Indiana to Washington

Cheapest flights from Indiana to Washington
Explore the most affordable flight options available from Indiana to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.

This Southwest deal was found by Cheapflights users on 6/30. 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.
Fri 8/281:30 pm
IND
-
SEA
2 stops10h 45m
Southwest
Tue 9/16:40 am
SEA
-
IND
1 stop6h 00m
Southwest
Deal found 6/30$279
This CheapOair deal was found by Cheapflights users on 6/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:53 pm
IND
-
SEA
1 stop15h 24m
Frontier
Sat 7/257:06 pm
SEA
-
IND
1 stop22h 02m
Frontier
Deal found 6/30$281
This Delta deal was found by Cheapflights users on 6/27. 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.
Tue 7/146:28 pm
IND
-
SEA
1 stop8h 31m
Delta
Tue 7/2111:59 pm
SEA
-
IND
1 stop8h 29m
Delta
Deal found 6/27$284
This Delta deal was found by Cheapflights users on 6/26. 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.
Wed 9/235:59 pm
FWA
-
SEA
1 stop9h 00m
Delta
Wed 10/711:35 pm
SEA
-
FWA
1 stop8h 22m
Delta
Deal found 6/26$285
This Southwest deal was found by Cheapflights users on 6/29. 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.
Thu 9/241:30 pm
IND
-
SEA
2 stops10h 45m
Southwest
Mon 9/2812:55 pm
SEA
-
IND
2 stops8h 40m
Southwest
Deal found 6/29$286
This Southwest deal was found by Cheapflights users on 6/30. 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.
Thu 8/2010:35 am
IND
-
SEA
2 stops13h 40m
Southwest
Fri 8/2812:35 pm
SEA
-
IND
1 stop7h 40m
Southwest
Deal found 6/30$287
This Southwest deal was found by Cheapflights users on 6/30. 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.
Wed 7/297:45 pm
IND
-
SEA
1 stop7h 50m
Southwest
Wed 8/59:25 am
SEA
-
IND
2 stops10h 35m
Southwest
Deal found 6/30$289
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Tue 8/185:35 am
FWA
-
SEA
1 stop7h 00m
United Airlines
Tue 8/259:05 am
SEA
-
FWA
2 stops11h 48m
United Airlines
Deal found 6/29$290
This Southwest deal was found by Cheapflights users on 6/29. 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.
Mon 7/208:00 pm
IND
-
SEA
1 stop7h 55m
Southwest
Fri 7/247:35 am
SEA
-
IND
2 stops15h 10m
Southwest
Deal found 6/29$290
This Southwest deal was found by Cheapflights users on 6/29. 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.
Thu 8/2010:35 am
IND
-
SEA
2 stops13h 40m
Southwest
Wed 8/269:25 am
SEA
-
IND
2 stops10h 35m
Southwest
Deal found 6/29$292
This Southwest deal was found by Cheapflights users on 6/30. 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.
Wed 8/125:40 pm
IND
-
SEA
1 stop8h 45m
Southwest
Wed 8/199:25 am
SEA
-
IND
2 stops10h 35m
Southwest
Deal found 6/30$294
This Southwest deal was found by Cheapflights users on 6/26. 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.
Sun 8/162:25 pm
IND
-
SEA
2 stops13h 25m
Southwest
Sat 8/225:00 am
SEA
-
IND
1 stop13h 40m
Southwest
Deal found 6/26$295

Find flight deals from Indiana to Washington

Keep the following information in mind while searching for Indiana to Washington flight deals. Data was last updated July 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(Southwest)

One-way from

$125
(Delta)

Popular in

July

Cheapest in

January

Average price

$487

Good round-trip deal

$453 or less

Good one-way deal

$229 or less
Provider with most accurate pricing for Indianapolis-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Indianapolis-Seattle/Tacoma Intl flights.
From Indiana to Washington
One-way flight from Indiana to Washington
Highest demand for flights based on searches. 18% potential increase in price ($80 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in July 2026
Price to beat on a round-trip flight from Indiana to Washington.
Price to beat on a one-way flight from Indiana to Washington.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Indiana to 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, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2026.
Use the filters below to find and compare flights from Indiana to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Sat 11/21

3:25 pm-11:45 pm

2 stops11h 20m

Seattle/Tacoma Intl

Sun 11/22

8:30 am-11:05 pm

1 stop11h 35m

$306

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Fri 8/28

10:35 am-9:15 pm

2 stops13h 40m

Seattle/Tacoma Intl

Sun 8/30

9:25 pm-2:35 pm

1 stop14h 10m

$315

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Wed 8/26

5:00 pm-11:05 pm

2 stops9h 05m

Seattle/Tacoma Intl

Wed 9/2

9:25 am-11:00 pm

2 stops10h 35m

$318

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Mon 8/24

8:28 am-6:19 pm

2 stops11h 51m

Spokane

Thu 8/27

10:56 pm-1:08 pm

2 stops12h 12m

$321

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Sat 8/15

3:00 pm-7:24 pm

1 stop6h 24m

Spokane

Wed 8/19

5:15 am-6:19 pm

2 stops11h 04m

$322

IndianapolisSeattle

IND - SEA

INDSEA

Indianapolis

Wed 9/16

5:00 pm-11:05 pm

2 stops9h 05m

Seattle/Tacoma Intl

Sat 9/19

7:40 am-9:35 pm

2 stops10h 55m

$336

ChicagoSpokane

ORD - GEG

ORDGEG

Chicago O'Hare Intl

Thu 8/6

7:44 pm-11:53 pm

1 stop6h 09m

Spokane

Mon 8/10

5:15 am-1:23 pm

1 stop6h 08m

$341

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Wed 11/4

12:30 pm-4:57 pm

1 stop7h 27m

Seattle/Tacoma Intl

Tue 11/10

11:53 pm-10:17 am

1 stop7h 24m

$347

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Sat 8/8

7:20 am-9:45 am

Nonstop4h 25m

Portland

Sat 8/15

10:59 pm-5:00 am

Nonstop4h 01m

$349

ChicagoPortland

ORD - PDX

ORDPDX

Chicago O'Hare Intl

Wed 8/5

7:00 am-9:34 am

Nonstop4h 34m

Portland

Tue 8/11

7:16 am-1:29 pm

Nonstop4h 13m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Indiana to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Indiana 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 Indiana to Washington

What is the cheapest month to book a flight from Indiana to State of Washington?

Currently, March is the cheapest month in which you can book a flight from Indiana to State of Washington (average of $96). Flying from Indiana to State of Washington in June is currently the most expensive (average of $894). 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 IN to WA?

Find hourly flight availability from Indiana to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2026.

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

How much does it cost to fly round-trip from Indiana to State of Washington?

How far ahead should I book a flight from Indiana to State of Washington?

The price you pay for your flight from Indiana to State of Washington may vary depending on when you book. For the best chance of a lower fare, look to book 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated July 1, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta from Indiana to Washington have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Related info for your journey

Find useful and relevant information for your journey from Indiana to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Indiana to State of Washington flight route?

  • How long is the flight from Indiana to State of Washington?

    A quick flight from Indiana to State of Washington can take about 4h 25m. Southwest provides one of the quickest options available for as low as $349. There are 1733 mi between Indiana and State of Washington. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Indiana to State of Washington one-way?

    One-way options have recently been found by users for as low as $79 on American Airlines. Other airlines that offer cheap prices include Southwest from $89 and Alaska Airlines from $93 one-way.

  • Can I find deals for flights from Indiana to Washington that include hotel bookings?

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

  • How can I find direct flights from Indiana to Washington?

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

  • Can I find deals for business class flights from Indiana to Washington?

    Yes. Cheapflights offers flight deals from Indiana to Washington 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 Indiana to State of Washington?

    Currently, March is the cheapest month in which you can book a flight from Indiana to State of Washington (average of $96). Flying from Indiana to State of Washington in June is currently the most expensive (average of $894). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Indiana to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Indiana to Washington

Discover the top 7 airlines that operate flights from Indiana to Washington. 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 July 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$112Average$250FlexibilityNo cancel feeOn-time62%
DeltaCheapest$124Average$410FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$159Average$446FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$188Average$412FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$218Average$341FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$237Average$411FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$237Average$530FlexibilityNo cancel feeOn-time75%

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