FlightsFrom Indianapolis

To Seattle

Cheap Flights from Indianapolis to Seattle

Browse current best options from Indianapolis. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Indianapolis

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Prices updated 1 day ago

402 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Jul 19, 2026.)

Today’s best flight deals from Indianapolis to Seattle

Explore current cheapest deals departing from Indianapolis to Seattle

September 24 - September 29

Cheapest
Best

IND - Seattle

$331

$177

Round trip

September 14 - September 30

IND - Seattle

$282

$181

Round trip

August 31 - September 30

Earliest

IND - Seattle

$233

$181

Round trip

September 11 - September 30

IND - Seattle

$274

$181

Round trip

August 31 - September 29

Earliest

IND - Seattle

$233

$182

Round trip

August 31 - September 26

Earliest

IND - Seattle

$233

$182

Round trip

August 31 - September 15

Earliest

IND - Seattle

$239

$182

Round trip

August 31 - September 16

Earliest

IND - Seattle

$240

$182

Round trip

September 11 - September 16

IND - Seattle

$326

$182

Round trip

September 24 - September 25

IND - Seattle

$331

$192

Round trip

Unlock all 500+ flight deals to Seattle and get alerts when great deals appear

Indianapolis to Seattle: Overview

Insights for flights from Indianapolis to Seattle

Most itineraries for flights from Indianapolis to Seattle connect at least once, with only 26.7% of recent fares being non-stop. For connecting itineraries, the typical number of stopovers is 2.
When considering cheap flights from Indianapolis to Seattle, right now fares are typically $386–$741, with a median of $557. Current fares are above the typical level, and only 6% of recent fares were classified as a good price. New deals appear almost daily, suggesting frequent opportunities to find better prices.
If you are looking for the cheapest time to fly from Indianapolis to Seattle, the data indicates that May is the most affordable month, with a median fare of $297. Following closely are January, with a median fare of $340, and June, with a median fare of $382.
A typical journey from Indianapolis to Seattle, including connections, takes about 4h 50m. This median duration accounts for all types of itineraries, reflecting the prevalence of connecting flights on this route.
The distance between Indianapolis and Seattle is 2996 km, classifying this as a medium-haul route. This distance typically involves a flight duration that can vary significantly based on the number and length of connections.

How much is a round trip from Indianapolis to Seattle

Regular price: $263 - $355

Prices are currently below the regular range for flights from Indianapolis to Seattle.

The regular price range for flights from Indianapolis to Seattle is typically between $263 and $355. The current lowest deal is $177 with Deutsche Luft Hansa for travel from Sep 24-Sep 29.

now $177

Low $263

High $355

The cheapest time to fly from Indianapolis to Seattle

The cheapest month to fly from Indianapolis to Seattle is May, with a median price of $337. The most expensive month to fly is April, with a median price of $632. Prices are generally lower from January to December.

May

Cheapest

Flights from $337

April

Most Expensive

Flights from $632

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Direct flights from Indianapolis to Seattle

Airline logo

Alaska Airlines, Inc.

Last-minute flights going from Indianapolis to Seattle

Tue, Aug 4

⌛ Last-Minute

IND - Seattle

Indianapolis (IND) - Seattle (SEA)

$271

$177

One-way

Wed, Aug 5

⌛ Last-Minute

IND - Seattle

Indianapolis (IND) - Seattle (SEA)

$284

$177

One-way

Thu, Aug 6

⌛ Last-Minute

IND - Seattle

Indianapolis (IND) - Seattle (SEA)

$282

$177

One-way

Mon, Aug 10

⌛ Last-Minute

IND - Seattle

Indianapolis (IND) - Seattle (SEA)

$269

$177

One-way

Mon, Aug 10

⌛ Last-Minute

IND - Seattle

Indianapolis (IND) - Seattle (SEA)

$264

$177

One-way

Mon, Aug 10

⌛ Last-Minute

IND - Seattle

Indianapolis (IND) - Seattle (SEA)

$255

$177

One-way

Biggest price drops on these dates for flights from Indianapolis to Seattle

6 nights

Dec 5 - Dec 11

$389  →  $192

51%

5 nights

Sep 24 - Sep 29

$331  →  $177

46%

1 night

Sep 24 - Sep 25

$331  →  $192

42%

2 nights

Sep 23 - Sep 25

$332  →  $193

42%

Popular Airports to fly from Indianapolis to Seattle

Indianapolis - Seattle route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Indianapolis to Seattle are above the typical level for this route.

📅 Best time to fly

Fly in May for the best prices

Historically, May offers the lowest median prices at $297 for flights from Indianapolis to Seattle.

⏱️ Flight duration

Direct flights take 4h 50m

The median flight duration for a direct flight from Indianapolis to Seattle is 4h 50m.

✈️ Airlines & availability

Connecting flights are common

Historically, 26.7% of flights on this route are direct, with connecting flights having 2 stopovers.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights

Alaska Airlines, Inc. is an airline that has historically offered direct flights on this route.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Indianapolis to Seattle are frequent, appearing often in a 30-day window.

Indianapolis main airports to depart from

Indianapolis International (IND)

Cheapest

Indianapolis International Airport is a convenient choice for flights from Indianapolis to Seattle.

📍 ~13 km from city center (reachable by car)

💸 Flights from ~$176

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International Airport is a primary arrival option for flights from Indianapolis to Seattle.

📍 ~18 km from Seattle city center (reachable by car)

💸 Flights from ~$176

Boeing Field (BFI)

Boeing Field is an alternative arrival airport for travelers flying from Indianapolis to Seattle.

📍 ~9 km from Seattle city center (reachable by car)

💸 Flights from ~$681

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base offers a unique arrival experience for flights from Indianapolis to Seattle.

📍 ~3 km from Seattle city center (reachable by car)

💸 Flights from ~$1,166

Airports nearby Seattle used as alternative

Paine Field Everett (PAE)

Paine Field Everett is a useful alternative for travelers located in North Seattle or Snohomish County.

📍 ~40 km from Seattle (reachable by car)

💸 Flights from ~$599

Portland International (PDX)

Cheapest

Portland International is a major international hub with diverse carrier options and competitive pricing.

📍 ~230 km from Seattle (reachable by car)

💸 Flights from ~$262

Bellingham International (BLI)

Bellingham International is a good alternative for low-cost carriers with easier parking and security.

📍 ~135 km from Seattle (reachable by car)

💸 Flights from ~$315

Vancouver International (YVR)

Vancouver International offers a massive international network with many direct global flights.

📍 ~200 km from Seattle (reachable by car)

💸 Flights from ~$316

Victoria International (YYJ)

Victoria International is an alternative for regional Pacific Northwest travel, though it requires a ferry or flight.

📍 ~110 km from Seattle (reachable by car)

💸 Flights from ~$373

Business & First Class Flight Deals to Seattle

Discover luxury on the budget with premium cabin class on flights from Indianapolis to Seattle.

Elite

Best Elite deals to Seattle

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From IND

Elite

Aug 29

Seattle, United States

89% AI deal score

$1,644

$909

Save $735

From IND

Elite

Nov 04

Seattle, United States

88% AI deal score

$1,412

$909

Save $503

From IND

Elite

Nov 16

Seattle, United States

88% AI deal score

$1,409

$909

Save $500

From IND

Elite

Nov 04

Seattle, United States

88% AI deal score

$1,410

$909

Save $501

From IND

Elite

Sep 29

Seattle, United States

88% AI deal score

$1,672

$922

Save $750

From IND

Elite

Aug 15

Seattle, United States

88% AI deal score

$1,748

$971

Save $777

From IND

Elite

Aug 17

Seattle, United States

88% AI deal score

$1,742

$972

Save $770

From IND

Elite

Aug 13

Seattle, United States

88% AI deal score

$1,742

$972

Save $770

From IND

Elite

Oct 23

Seattle, United States

87% AI deal score

$1,362

$905

Save $457

From IND

Elite

Sep 19

Seattle, United States

87% AI deal score

$1,359

$909

Save $450

From IND

Elite

Oct 13

Seattle, United States

87% AI deal score

$1,349

$909

Save $440

From IND

Elite

Oct 24

Seattle, United States

87% AI deal score

$1,362

$909

Save $453

From IND

Elite

Sep 25

Seattle, United States

87% AI deal score

$1,377

$909

Save $468

From IND

Elite

Oct 20

Seattle, United States

87% AI deal score

$1,360

$909

Save $451

From IND

Elite

Sep 11

Seattle, United States

87% AI deal score

$1,598

$926

Save $672

From IND

Elite

Sep 18

Seattle, United States

87% AI deal score

$1,622

$926

Save $696

From IND

Elite

Sep 19

Seattle, United States

87% AI deal score

$1,655

$926

Save $729

From IND

Elite

Sep 20

Seattle, United States

87% AI deal score

$1,649

$927

Save $722

From IND

Elite

Aug 15

Seattle, United States

87% AI deal score

$1,748

$1,001

Save $747

From IND

Elite

Aug 10

Seattle, United States

87% AI deal score

$1,788

$1,017

Save $771

From IND

Elite

Aug 11

Seattle, United States

87% AI deal score

$1,781

$1,017

Save $764

From IND

Elite

Aug 28

Seattle, United States

87% AI deal score

$1,810

$1,022

Save $788

From IND

Elite

Aug 20

Seattle, United States

87% AI deal score

$1,780

$1,022

Save $758

From IND

Elite

Jun 24

Seattle, United States

87% AI deal score

$1,685

$1,096

Save $589

From IND

Elite

Sep 29

Seattle, United States

86% AI deal score

$1,333

$909

Save $424

From IND

Elite

Aug 29

Seattle, United States

86% AI deal score

$1,296

$909

Save $387

From IND

Elite

Aug 05

Seattle, United States

86% AI deal score

$1,391

$954

Save $437

From IND

Elite

Aug 26

Seattle, United States

86% AI deal score

$1,874

$930

Save $944

From IND

Elite

Oct 15

Seattle, United States

86% AI deal score

$1,666

$972

Save $694

From IND

Elite

Sep 08

Seattle, United States

85% AI deal score

$1,601

$971

Save $630

From IND

Elite

Sep 15

Seattle, United States

84% AI deal score

$1,554

$1,067

Save $487

From IND

Elite

Aug 27

Seattle, United States

84% AI deal score

$1,606

$969

Save $637

From IND

Elite

Oct 22

Seattle, United States

84% AI deal score

$1,669

$927

Save $742

From IND

Elite

Sep 17

Seattle, United States

84% AI deal score

$1,626

$1,036

Save $590

From IND

Elite

Aug 10

Seattle, United States

83% AI deal score

$1,729

$1,002

Save $727

From IND

Elite

Aug 20

Seattle, United States

82% AI deal score

$1,307

$1,057

Save $250

From IND

Elite

Jun 18

Seattle, United States

82% AI deal score

$1,672

$1,317

Save $355

From IND

Elite

Oct 22

Seattle, United States

78% AI deal score

$1,258

$1,007

Save $251

From IND

Elite

Jul 31

Seattle, United States

78% AI deal score

$1,456

$1,111

Save $345

From IND

Elite

Aug 25

Seattle, United States

77% AI deal score

$1,275

$998

Save $277

From IND

Elite

Aug 20

Seattle, United States

77% AI deal score

$1,224

$1,002

Save $222

From IND

Elite

Aug 21

Seattle, United States

77% AI deal score

$1,250

$1,007

Save $243

From IND

Elite

Aug 15

Seattle, United States

77% AI deal score

$1,239

$1,007

Save $232

From IND

Elite

Aug 20

Seattle, United States

77% AI deal score

$1,234

$1,057

Save $177

From IND

Elite

Aug 29

Seattle, United States

77% AI deal score

$1,278

$1,082

Save $196

From IND

Elite

Sep 18

Seattle, United States

76% AI deal score

$1,212

$1,002

Save $210

From IND

Elite

Sep 11

Seattle, United States

76% AI deal score

$1,224

$1,002

Save $222

From IND

Elite

Oct 22

Seattle, United States

76% AI deal score

$1,237

$1,002

Save $235

From IND

Elite

Sep 29

Seattle, United States

76% AI deal score

$1,290

$1,057

Save $233

From IND

Elite

Aug 27

Seattle, United States

76% AI deal score

$1,275

$1,072

Save $203

From IND

Elite

Sep 21

Seattle, United States

76% AI deal score

$1,214

$1,057

Save $157

From IND

Elite

Sep 22

Seattle, United States

75% AI deal score

$1,157

$997

Save $160

From IND

Elite

Sep 24

Seattle, United States

75% AI deal score

$1,173

$1,002

Save $171

From IND

Elite

Sep 06

Seattle, United States

75% AI deal score

$1,174

$1,002

Save $172

From IND

Elite

Sep 18

Seattle, United States

75% AI deal score

$1,162

$1,007

Save $155

From IND

Elite

Oct 02

Seattle, United States

75% AI deal score

$1,154

$1,007

Save $147

From IND

Elite

Sep 12

Seattle, United States

75% AI deal score

$1,277

$1,067

Save $210

From IND

Elite

Aug 31

Seattle, United States

75% AI deal score

$1,242

$1,067

Save $175

From IND

Elite

Aug 28

Seattle, United States

75% AI deal score

$1,216

$1,067

Save $149

From IND

Elite

Aug 11

Seattle, United States

75% AI deal score

$1,226

$1,067

Save $159

From IND

Elite

Aug 21

Seattle, United States

75% AI deal score

$1,224

$1,068

Save $156

From IND

Elite

Aug 07

Seattle, United States

75% AI deal score

$1,244

$1,072

Save $172

From IND

Elite

Aug 17

Seattle, United States

75% AI deal score

$1,246

$1,072

Save $174

From IND

Elite

Aug 15

Seattle, United States

75% AI deal score

$1,232

$1,072

Save $160

From IND

Elite

Oct 09

Seattle, United States

75% AI deal score

$1,242

$1,072

Save $170

From IND

Elite

Aug 18

Seattle, United States

75% AI deal score

$1,239

$1,082

Save $157

From IND

Elite

Aug 15

Seattle, United States

75% AI deal score

$1,225

$1,082

Save $143

From IND

Elite

Aug 24

Seattle, United States

75% AI deal score

$1,148

$1,057

Save $91

From IND

Elite

Sep 10

Seattle, United States

75% AI deal score

$1,200

$1,057

Save $143

From IND

Elite

Sep 21

Seattle, United States

75% AI deal score

$1,172

$1,057

Save $115

From IND

Elite

Sep 21

Seattle, United States

75% AI deal score

$1,200

$1,057

Save $143

From IND

Elite

Sep 12

Seattle, United States

75% AI deal score

$1,189

$1,057

Save $132

From IND

Elite

Aug 20

Seattle, United States

75% AI deal score

$1,161

$1,057

Save $104

From IND

Elite

Sep 02

Seattle, United States

74% AI deal score

$1,189

$1,037

Save $152

From IND

Elite

Sep 09

Seattle, United States

74% AI deal score

$1,228

$1,067

Save $161

From IND

Elite

Aug 26

Seattle, United States

74% AI deal score

$1,178

$1,067

Save $111

From IND

Elite

Sep 08

Seattle, United States

74% AI deal score

$1,181

$1,067

Save $114

From IND

Elite

Oct 15

Seattle, United States

74% AI deal score

$1,193

$1,067

Save $126

From IND

Elite

Sep 17

Seattle, United States

74% AI deal score

$1,232

$1,072

Save $160

From IND

Elite

Aug 12

Seattle, United States

74% AI deal score

$1,217

$1,082

Save $135

From IND

Elite

Aug 08

Seattle, United States

74% AI deal score

$1,203

$1,082

Save $121

From IND

Elite

Aug 14

Seattle, United States

74% AI deal score

$1,222

$1,082

Save $140

From IND

Elite

Sep 10

Seattle, United States

74% AI deal score

$1,152

$1,057

Save $95

From IND

Elite

Aug 20

Seattle, United States

74% AI deal score

$1,129

$1,057

Save $72

From IND

Elite

Aug 20

Seattle, United States

74% AI deal score

$1,143

$1,057

Save $86

From IND

Elite

Aug 20

Seattle, United States

74% AI deal score

$1,136

$1,057

Save $79

From IND

Elite

Aug 20

Seattle, United States

74% AI deal score

$1,141

$1,057

Save $84

From IND

Elite

Sep 16

Seattle, United States

74% AI deal score

$1,159

$1,057

Save $102

From IND

Elite

Sep 02

Seattle, United States

73% AI deal score

$1,085

$1,032

Save $53

From IND

Elite

Sep 21

Seattle, United States

73% AI deal score

$1,120

$1,057

Save $63

From IND

Elite

Aug 20

Seattle, United States

73% AI deal score

$1,127

$1,057

Save $70

From IND

Elite

Aug 20

Seattle, United States

73% AI deal score

$1,127

$1,057

Save $70

From IND

Elite

Aug 20

Seattle, United States

73% AI deal score

$1,127

$1,057

Save $70

From IND

Elite

Aug 24

Seattle, United States

73% AI deal score

$1,124

$1,057

Save $67

From IND

Elite

Aug 24

Seattle, United States

73% AI deal score

$1,124

$1,057

Save $67

From IND

Elite

Aug 20

Seattle, United States

73% AI deal score

$1,127

$1,057

Save $70

From IND

Elite

Aug 24

Seattle, United States

73% AI deal score

$1,126

$1,057

Save $69

From IND

Elite

Jul 10

Seattle, United States

73% AI deal score

$1,321

$1,104

Save $217

From IND

Elite

Jul 29

Seattle, United States

72% AI deal score

$1,072

$1,037

Save $35

From IND

Elite

Sep 23

Seattle, United States

72% AI deal score

$1,143

$1,083

Save $60

Frequently Asked Questions About Flights to Seattle

Historically, the optimal booking window for flights from Indianapolis to Seattle is 7-13 days before departure. During this period, the average price observed was $412. Booking 14-27 days out typically saw prices around $750, while booking 28-59 days in advance had an average price of $639. For those planning further ahead, booking 60+ days out resulted in an average price of $586 across the trailing 90 days.

A flight from Indianapolis to Seattle is generally considered a good deal if the price is at or below $386. Historically, across the trailing 90 days, the median price for this route was $557. Prices at the 75th percentile reached $741, indicating higher costs. Therefore, aiming for prices around $386 or less can help secure a favorable fare.

Historically, May, January, and June have offered the cheapest flights from Indianapolis to Seattle. May typically sees a median price of $297, making it the most affordable month. January follows with a median price of $340, and June has a median of $382. These months are generally more economical compared to the annual median price of $557 observed over the trailing 270 days.