Cheap Flights from Detroit to Seattle
Browse current best options from Detroit. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Detroit
RatePunk searches hundreds of travel sites at once for deals on flights to Seattle
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Detroit to Seattle
Explore current cheapest deals departing from Detroit to Seattle
Round trip
Sort by: Cheapest
September 29 - October 12
DTW - Seattle
$299
$228
Round trip
September 23 - October 12
DTW - Seattle
$280
$228
Round trip
October 2 - October 12
DTW - Seattle
$312
$233
Round trip
October 3 - October 12
DTW - Seattle
$322
$243
Round trip
July 11 - July 15
DTW - Seattle
$407
$244
Round trip
August 18 - August 26
DTW - Seattle
$359
$244
Round trip
September 5 - September 9
DTW - Seattle
$302
$244
Round trip
September 26 - October 12
DTW - Seattle
$285
$248
Round trip
July 11 - July 17
DTW - Seattle
$391
$249
Round trip
July 11 - July 20
DTW - Seattle
$380
$249
Round trip
Unlock all 500+ flight deals to Seattle and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Detroit to Seattle
How much is a round trip from Detroit to Seattle
Regular price: $245 - $363
Prices from Detroit to Seattle are currently below the regular range.
The regular price range for flights from Detroit to Seattle is $245 to $363. The current lowest deal is $228 with Frontier Airlines, for travel from Sep 29-Oct 12.
now $228
Low $245
High $363
The cheapest time to fly from Detroit to Seattle
The cheapest month to fly from Detroit to Seattle is April, with a median price of $335. The most expensive month is June, with a median price of $732. Prices are generally lower from January to October.
April
Flights from $335
June
Flights from $732
Direct flights from Detroit to Seattle
Alaska Airlines, Inc.
Last-minute flights going from Detroit to Seattle
Fri, Jul 3
DTW - Seattle
Detroit (DTW) - Seattle (SEA)
Frontier Airlines
$399
$286
One-way
Sun, Jul 5
DTW - Seattle
Detroit (DTW) - Seattle (SEA)
Frontier Airlines
$385
$255
One-way
Sun, Jul 5
DTW - Seattle
Detroit (DTW) - Seattle (SEA)
Frontier Airlines
$381
$259
One-way
Fri, Jul 10
DTW - Seattle
Detroit (DTW) - Seattle (SEA)
Frontier Airlines
$398
$276
One-way
Sat, Jul 11
DTW - Seattle
Detroit (DTW) - Seattle (SEA)
Frontier Airlines
$407
$244
One-way
Sat, Jul 11
DTW - Seattle
Detroit (DTW) - Seattle (SEA)
Frontier Airlines
$391
$249
One-way
Biggest price drops on these dates for flights from Detroit to Seattle
Dec 23 - Dec 30
$866 → $329
62%
Dec 11 - Dec 16
$842 → $335
60%
Dec 16 - Dec 19
$876 → $418
52%
Dec 17 - Dec 21
$876 → $418
52%
Popular Airports to fly from Detroit to Seattle
Detroit - Seattle route insights
💸 Price insights
Recent fares are near the typical level
Recent fares from Detroit to Seattle averaged $397, near the typical level for this route.
📅 Best time to fly
April is the cheapest month to fly
Historically, April has the lowest median price at $335. June is the most expensive month.
⏱️ Flight duration
Average flight time is 9h 23m
Flights from Detroit to Seattle typically take 9 hours and 23 minutes, including layovers.
✈️ Airlines & availability
Frequent deals are available
Deals for flights from Detroit to Seattle are frequent, with over one deal per day.
🏆 Airline highlight
Alaska Airlines, Inc. offers direct flights
Alaska Airlines, Inc. provides direct flights on this route, with 67.9% of deals being direct.
🎯 Booking tip
Current deal at $228
A recent deal for $228 on Frontier Airlines via Kiwi is available for Sep 29-Oct 12.
Detroit main airports to depart from
Detroit Metropolitan (DTW)
Detroit Metropolitan is a good option for flights from Detroit to Seattle, offering competitive prices.
📍 ~30 km from Detroit (reachable by car)
💸 Flights from ~$228
Seattle main airports to arrive at
Seattle–Tacoma International (SEA)
Seattle–Tacoma International Airport is a primary arrival choice for flights from Detroit to Seattle.
📍 ~18 km from Seattle city center (reachable by car, bus, train).
💸 Flights from ~$228
Boeing Field (BFI)
Boeing Field offers an alternative arrival option for travelers flying from Detroit to Seattle.
📍 ~10 km from Seattle city center (reachable by car, bus).
💸 Flights from ~$717
Kenmore Air Harbor Seaplane Base (LKE)
Kenmore Air Harbor Seaplane Base provides a unique arrival point for flights from Detroit to Seattle.
📍 ~3 km from Seattle city center (reachable by car, bus).
💸 Flights from ~$638
Airports nearby Seattle used as alternative
Paine Field Everett (PAE)
Paine Field Everett offers a convenient alternative for North Seattle residents with shorter security wait times.
📍 ~40 km from Seattle (reachable by car)
💸 Flights from ~$459
Portland International (PDX)
Portland International is a major hub offering a comprehensive route network and competitive long-haul fares.
📍 ~230 km from Seattle (reachable by car or train)
💸 Flights from ~$277
Vancouver International (YVR)
Vancouver International is a major international gateway with extensive transpacific and European flight options.
📍 ~230 km from Seattle (reachable by car, requires international border crossing)
💸 Flights from ~$308
Bellingham International (BLI)
Bellingham International is a primary low-cost carrier airport, often featuring budget-friendly fares.
📍 ~145 km from Seattle (reachable by car)
💸 Flights from ~$286
Abbotsford International (YXX)
Abbotsford International is an alternative low-cost gateway for Canadian domestic connections.
📍 ~180 km from Seattle (reachable by car, requires international border crossing)
💸 Flights from ~$264
Business & First Class Flight Deals to Seattle
Discover luxury on the budget with premium cabin class on flights from Detroit to Seattle.
Elite
Best Elite deals to Seattle
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From DTW
Elite
Sep 02
Seattle, United States
90% AI deal score
$1,766
$910
Save $856
From DTW
Elite
Sep 16
Seattle, United States
90% AI deal score
$1,744
$911
Save $833
From DTW
Elite
Sep 16
Seattle, United States
90% AI deal score
$1,785
$911
Save $874
From DTW
Elite
Aug 19
Seattle, United States
90% AI deal score
$2,450
$942
Save $1,508
From DTW
Elite
Oct 13
Seattle, United States
89% AI deal score
$1,743
$911
Save $832
From DTW
Elite
Sep 22
Seattle, United States
89% AI deal score
$1,801
$942
Save $859
From DTW
Elite
Sep 23
Seattle, United States
89% AI deal score
$1,781
$942
Save $839
From DTW
Elite
Sep 05
Seattle, United States
89% AI deal score
$1,765
$942
Save $823
From DTW
Elite
Sep 12
Seattle, United States
89% AI deal score
$1,779
$942
Save $837
From DTW
Elite
Sep 09
Seattle, United States
89% AI deal score
$1,765
$947
Save $818
From DTW
Elite
Aug 05
Seattle, United States
88% AI deal score
$2,454
$872
Save $1,582
From DTW
Elite
Nov 02
Seattle, United States
88% AI deal score
$1,665
$966
Save $699
From DTW
Elite
Nov 09
Seattle, United States
87% AI deal score
$1,630
$966
Save $664
From DTW
Elite
Aug 12
Seattle, United States
87% AI deal score
$2,402
$1,115
Save $1,287
From DTW
Elite
Aug 22
Seattle, United States
86% AI deal score
$2,436
$988
Save $1,448
From DTW
Elite
Aug 08
Seattle, United States
86% AI deal score
$2,406
$1,176
Save $1,230
From DTW
Elite
Oct 10
Seattle, United States
85% AI deal score
$1,256
$933
Save $323
From DTW
Elite
Aug 22
Seattle, United States
85% AI deal score
$1,300
$933
Save $367
From DTW
Elite
Nov 07
Seattle, United States
85% AI deal score
$1,279
$943
Save $336
From DTW
Elite
Nov 10
Seattle, United States
85% AI deal score
$1,278
$943
Save $335
From DTW
Elite
Sep 29
Seattle, United States
84% AI deal score
$1,217
$933
Save $284
From DTW
Elite
Sep 15
Seattle, United States
84% AI deal score
$1,200
$933
Save $267
From DTW
Elite
Aug 06
Seattle, United States
84% AI deal score
$2,463
$1,116
Save $1,347
From DTW
Elite
Jun 19
Seattle, United States
83% AI deal score
$2,371
$1,307
Save $1,064
From DTW
Elite
Dec 22
Seattle, United States
80% AI deal score
$1,481
$1,097
Save $384
From DTW
Elite
Jul 24
Seattle, United States
79% AI deal score
$1,582
$1,167
Save $415
From DTW
Elite
Aug 09
Seattle, United States
79% AI deal score
$1,324
$1,027
Save $297
From DTW
Elite
Jun 19
Seattle, United States
79% AI deal score
$1,632
$1,257
Save $375
From DTW
Elite
Sep 03
Seattle, United States
78% AI deal score
$1,263
$967
Save $296
From DTW
Elite
Jun 22
Seattle, United States
78% AI deal score
$1,536
$1,207
Save $329
From DTW
Elite
Jun 23
Seattle, United States
78% AI deal score
$1,831
$1,365
Save $466
From DTW
Elite
Sep 23
Seattle, United States
77% AI deal score
$1,185
$967
Save $218
From DTW
Elite
Aug 21
Seattle, United States
77% AI deal score
$1,183
$967
Save $216
From DTW
Elite
Aug 21
Seattle, United States
77% AI deal score
$1,194
$967
Save $227
From DTW
Elite
Sep 03
Seattle, United States
77% AI deal score
$1,203
$967
Save $236
From DTW
Elite
Oct 13
Seattle, United States
77% AI deal score
$1,213
$967
Save $246
From DTW
Elite
Sep 04
Seattle, United States
77% AI deal score
$1,264
$1,012
Save $252
From DTW
Elite
Dec 05
Seattle, United States
77% AI deal score
$1,134
$967
Save $167
From DTW
Elite
Oct 25
Seattle, United States
77% AI deal score
$1,118
$967
Save $151
From DTW
Elite
Jul 11
Seattle, United States
77% AI deal score
$1,601
$1,232
Save $369
From DTW
Elite
Jul 18
Seattle, United States
77% AI deal score
$1,624
$1,244
Save $380
From DTW
Elite
Jul 12
Seattle, United States
77% AI deal score
$1,628
$1,252
Save $376
From DTW
Elite
Jun 25
Seattle, United States
77% AI deal score
$1,796
$1,442
Save $354
From DTW
Elite
Sep 02
Seattle, United States
76% AI deal score
$1,177
$967
Save $210
From DTW
Elite
Sep 25
Seattle, United States
76% AI deal score
$1,152
$967
Save $185
From DTW
Elite
Jul 21
Seattle, United States
76% AI deal score
$1,127
$967
Save $160
From DTW
Elite
Sep 27
Seattle, United States
76% AI deal score
$1,204
$977
Save $227
From DTW
Elite
Sep 19
Seattle, United States
76% AI deal score
$1,169
$978
Save $191
From DTW
Elite
Dec 05
Seattle, United States
76% AI deal score
$1,179
$1,008
Save $171
From DTW
Elite
Aug 10
Seattle, United States
76% AI deal score
$1,181
$1,012
Save $169
From DTW
Elite
Aug 04
Seattle, United States
76% AI deal score
$1,189
$1,012
Save $177
From DTW
Elite
Aug 10
Seattle, United States
76% AI deal score
$1,166
$1,012
Save $154
From DTW
Elite
Nov 09
Seattle, United States
75% AI deal score
$1,100
$967
Save $133
From DTW
Elite
Nov 02
Seattle, United States
75% AI deal score
$1,092
$967
Save $125
From DTW
Elite
Jul 30
Seattle, United States
75% AI deal score
$1,129
$974
Save $155
From DTW
Elite
Aug 26
Seattle, United States
75% AI deal score
$1,133
$1,027
Save $106
From DTW
Elite
Aug 26
Seattle, United States
75% AI deal score
$1,124
$1,027
Save $97
From DTW
Elite
Jul 30
Seattle, United States
74% AI deal score
$1,083
$978
Save $105
From DTW
Elite
Sep 01
Seattle, United States
74% AI deal score
$1,105
$1,013
Save $92
From DTW
Elite
Sep 16
Seattle, United States
74% AI deal score
$1,034
$967
Save $67
From DTW
Elite
Sep 07
Seattle, United States
74% AI deal score
$1,115
$1,027
Save $88
From DTW
Elite
Sep 07
Seattle, United States
74% AI deal score
$1,123
$1,027
Save $96
From DTW
Elite
Oct 01
Seattle, United States
74% AI deal score
$1,097
$1,027
Save $70
From DTW
Elite
Oct 02
Seattle, United States
74% AI deal score
$1,096
$1,027
Save $69
From DTW
Elite
Sep 27
Seattle, United States
73% AI deal score
$1,067
$1,027
Save $40
From DTW
Elite
Sep 30
Seattle, United States
73% AI deal score
$1,079
$1,027
Save $52
From DTW
Elite
Jul 16
Seattle, United States
73% AI deal score
$1,271
$1,072
Save $199
From DTW
Elite
Jul 16
Seattle, United States
73% AI deal score
$1,271
$1,072
Save $199
From DTW
Elite
Jul 24
Seattle, United States
73% AI deal score
$1,270
$1,072
Save $198
From DTW
Elite
Jun 19
Seattle, United States
73% AI deal score
$1,632
$1,338
Save $294
From DTW
Elite
Nov 16
Seattle, United States
72% AI deal score
$1,106
$972
Save $134
From DTW
Elite
Sep 24
Seattle, United States
72% AI deal score
$1,041
$1,027
Save $14
From DTW
Elite
Sep 26
Seattle, United States
72% AI deal score
$1,047
$1,027
Save $20
From DTW
Elite
Sep 25
Seattle, United States
72% AI deal score
$1,044
$1,027
Save $17
From DTW
Elite
Aug 23
Seattle, United States
72% AI deal score
$1,103
$1,067
Save $36
From DTW
Elite
Aug 23
Seattle, United States
72% AI deal score
$1,104
$1,067
Save $37
From DTW
Elite
Sep 05
Seattle, United States
72% AI deal score
$1,111
$1,092
Save $19
From DTW
Elite
Sep 22
Seattle, United States
71% AI deal score
$1,027
From DTW
Elite
Aug 19
Seattle, United States
71% AI deal score
$1,152
$1,032
Save $120
From DTW
Elite
Aug 22
Seattle, United States
71% AI deal score
$1,148
$1,047
Save $101
From DTW
Elite
Aug 05
Seattle, United States
71% AI deal score
$1,206
$1,077
Save $129
From DTW
Elite
Aug 22
Seattle, United States
71% AI deal score
$1,103
$1,092
Save $11
From DTW
Elite
Aug 22
Seattle, United States
71% AI deal score
$1,104
$1,092
Save $12
From DTW
Elite
Sep 05
Seattle, United States
71% AI deal score
$1,092
From DTW
Elite
Sep 15
Seattle, United States
70% AI deal score
$1,027
From DTW
Elite
Sep 08
Seattle, United States
70% AI deal score
$1,027
From DTW
Elite
Sep 13
Seattle, United States
70% AI deal score
$1,027
From DTW
Elite
Sep 17
Seattle, United States
70% AI deal score
$1,027
From DTW
Elite
Sep 11
Seattle, United States
70% AI deal score
$1,027
From DTW
Elite
Sep 20
Seattle, United States
70% AI deal score
$1,027
From DTW
Elite
Aug 06
Seattle, United States
70% AI deal score
$1,189
$1,084
Save $105
From DTW
Elite
Sep 05
Seattle, United States
66% AI deal score
$1,032
From DTW
Elite
Jul 11
Seattle, United States
47% AI deal score
$1,314