Cheap Flights from Washington, D.C. to Seattle
Browse current best options from Washington, D.C.. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Washington, D.C.
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 Washington, D.C. to Seattle
Explore current cheapest deals departing from Washington, D.C. to Seattle
Round trip
Sort by: Cheapest
September 16 - September 24
BWI - Seattle
$274
$226
Round trip
September 5 - September 10
BWI - Seattle
$287
$226
Round trip
September 15 - September 22
BWI - Seattle
$285
$226
Round trip
September 10 - September 15
BWI - Seattle
$288
$226
Round trip
October 1 - October 5
BWI - Seattle
$436
$226
Round trip
August 22 - August 29
BWI - Seattle
$304
$227
Round trip
August 20 - August 25
BWI - Seattle
$313
$227
Round trip
September 23 - September 30
BWI - Seattle
$297
$227
Round trip
September 17 - September 23
BWI - Seattle
$287
$227
Round trip
August 25 - August 26
BWI - Seattle
$317
$228
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 Washington, D.C. to Seattle
How much is a round trip from Washington, D.C. to Seattle
Regular price: $235 - $360
Prices for flights from Washington, D.C. to Seattle are currently below the regular range.
Regular prices for flights from Washington, D.C. to Seattle typically range from $235 to $360. The current lowest deal is $226 with American Airlines, for travel from Sep 16 to Sep 24.
now $226
Low $235
High $360
The cheapest time to fly from Washington, D.C. to Seattle
Flights from Washington, D.C. to Seattle are cheapest in April, with a median price of $192. The most expensive month to fly is June, with a median price of $816. Prices are generally lower from January to November.
April
Flights from $192
June
Flights from $816
Direct flights from Washington, D.C. to Seattle
Alaska Airlines, Inc.
Last-minute flights going from Washington, D.C. to Seattle
Sat, Jul 11
DCA - Seattle
Washington, D.C. (DCA) - Seattle (SEA)
Frontier Airlines
$333
$246
One-way
Mon, Jul 13
BWI - Seattle
Washington, D.C. (BWI) - Seattle (SEA)
American Airlines
$303
$242
One-way
Mon, Jul 13
DCA - Seattle
Washington, D.C. (DCA) - Seattle (SEA)
Frontier Airlines
$330
$246
One-way
Sun, Aug 9
DCA - Seattle
Washington, D.C. (DCA) - Seattle (SEA)
Frontier Airlines
$317
$246
One-way
Sun, Aug 9
DCA - Seattle
Washington, D.C. (DCA) - Seattle (SEA)
Frontier Airlines
$310
$247
One-way
Mon, Aug 10
DCA - Seattle
Washington, D.C. (DCA) - Seattle (SEA)
Frontier Airlines
$328
$246
One-way
Biggest price drops on these dates for flights from Washington, D.C. to Seattle
Dec 2 - Dec 7
$535 → $315
41%
Oct 1 - Oct 5
$436 → $226
48%
Dec 3 - Dec 6
$538 → $334
38%
Dec 4 - Dec 7
$538 → $354
34%
Popular Airports to fly from Washington, D.C. to Seattle
Washington, D.C. - Seattle route insights
💸 Price insights
Recent fares are above the typical level.
Recent fares from Washington, D.C. to Seattle are above the typical level, with a median price of $529.
📅 Best time to fly
April is historically the cheapest month to fly.
Historically, April is the cheapest month to fly from Washington, D.C. to Seattle, with a median price of $192.
⏱️ Flight duration
Typical flight duration is 15h 30m.
Flights from Washington, D.C. to Seattle typically take 15h 30m, with 38.2% being direct.
✈️ Airlines & availability
Connecting flights are dominant on this route.
Connecting flights are dominant, with 38.2% of deals being direct and 2 stopovers when connecting.
🏆 Airline highlight
American Airlines offers a recent deal for $226.
A recent deal from Washington, D.C. to Seattle was found on American Airlines for $226.
🎯 Booking tip
Deals appear frequently, over 1 per day.
Deals for flights from Washington, D.C. to Seattle appear frequently, with over 1 per day.
Washington, D.C. main airports to depart from
Baltimore–Washington International (BWI)
Baltimore–Washington International offers flights to Seattle, providing a budget-friendly option for your journey.
📍 ~45 km from Washington, D.C. (reachable by car or train)
💸 Flights from ~$226
Ronald Reagan Washington National (DCA)
Ronald Reagan Washington National is a convenient choice for flights to Seattle from the Washington, D.C. area.
📍 ~5 km from Washington, D.C. (reachable by car or train)
💸 Flights from ~$245
Washington Dulles International (IAD)
Washington Dulles International provides another option for travelers flying from Washington, D.C. to Seattle.
📍 ~40 km from Washington, D.C. (reachable by car)
💸 Flights from ~$234
Seattle main airports to arrive at
Seattle–Tacoma International (SEA)
Seattle–Tacoma International Airport is a primary arrival option for flights to Seattle from Washington, D.C.
📍 ~18 km from Seattle (reachable by car, public transport).
💸 Flights from ~$226
Boeing Field (BFI)
Boeing Field offers an alternative arrival point for travelers flying to Seattle from Washington, D.C.
📍 ~10 km from Seattle (reachable by car).
💸 Flights from ~$724
Kenmore Air Harbor Seaplane Base (LKE)
Kenmore Air Harbor Seaplane Base provides a unique arrival experience for flights to Seattle.
📍 ~3 km from Seattle (reachable by car).
💸 Flights from ~$1045
Airports nearby Seattle used as alternative
Paine Field Everett (PAE)
Paine Field Everett offers a streamlined terminal experience and shorter security wait times for Seattle's North-end residents.
📍 ~33 km from Seattle (reachable by car)
💸 Flights from ~$347
Portland International (PDX)
Portland International is a major hub that often provides competitive fares for domestic and international long-haul flights.
📍 ~230 km from Seattle (reachable by car or train)
💸 Flights from ~$194
Vancouver International (YVR)
Vancouver International is a major international gateway with extensive flight options, potentially offering lower international fares.
📍 ~200 km from Seattle (reachable by car, requires border crossing)
💸 Flights from ~$289
Bellingham International (BLI)
Bellingham International is a primary low-cost carrier airport, often featuring budget-friendly fares with easier processing.
📍 ~145 km from Seattle (reachable by car)
💸 Flights from ~$218
Abbotsford International (YXX)
Abbotsford International can be an alternative low-cost gateway for Canadian domestic connections, occasionally offering cheaper flights.
📍 ~160 km from Seattle (reachable by car, requires border crossing)
💸 Flights from ~$370
Business & First Class Flight Deals to Seattle
Discover luxury on the budget with premium cabin class on flights from Washington, D.C. to Seattle.
Elite
Best Elite deals to Seattle
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From IAD
Elite
Sep 08
Seattle, United States
92% AI deal score
$2,571
$1,205
Save $1,366
From IAD
Elite
Sep 15
Seattle, United States
91% AI deal score
$2,333
$1,165
Save $1,168
From IAD
Elite
Sep 14
Seattle, United States
91% AI deal score
$2,331
$1,165
Save $1,166
From IAD
Elite
Sep 09
Seattle, United States
91% AI deal score
$2,330
$1,165
Save $1,165
From IAD
Elite
Sep 23
Seattle, United States
91% AI deal score
$2,406
$1,176
Save $1,230
From IAD
Elite
Sep 21
Seattle, United States
91% AI deal score
$2,325
$1,176
Save $1,149
From IAD
Elite
Sep 22
Seattle, United States
91% AI deal score
$2,514
$1,205
Save $1,309
From IAD
Elite
Sep 19
Seattle, United States
91% AI deal score
$2,430
$1,205
Save $1,225
From IAD
Elite
Sep 20
Seattle, United States
91% AI deal score
$2,457
$1,205
Save $1,252
From IAD
Elite
Sep 21
Seattle, United States
91% AI deal score
$2,482
$1,205
Save $1,277
From IAD
Elite
Sep 16
Seattle, United States
91% AI deal score
$2,351
$1,205
Save $1,146
From IAD
Elite
Sep 15
Seattle, United States
91% AI deal score
$2,314
$1,205
Save $1,109
From IAD
Elite
Sep 01
Seattle, United States
91% AI deal score
$2,324
$1,205
Save $1,119
From IAD
Elite
Sep 01
Seattle, United States
91% AI deal score
$2,324
$1,205
Save $1,119
From IAD
Elite
Sep 29
Seattle, United States
91% AI deal score
$2,410
$1,216
Save $1,194
From IAD
Elite
Sep 26
Seattle, United States
91% AI deal score
$2,426
$1,221
Save $1,205
From IAD
Elite
Sep 30
Seattle, United States
91% AI deal score
$2,394
$1,221
Save $1,173
From IAD
Elite
Sep 27
Seattle, United States
91% AI deal score
$2,402
$1,221
Save $1,181
From BWI
Elite
Aug 25
Seattle, United States
91% AI deal score
$1,866
$1,009
Save $857
From IAD
Elite
Sep 06
Seattle, United States
90% AI deal score
$2,273
$1,205
Save $1,068
From IAD
Elite
Sep 01
Seattle, United States
90% AI deal score
$2,223
$1,205
Save $1,018
From IAD
Elite
Sep 01
Seattle, United States
90% AI deal score
$2,230
$1,205
Save $1,025
From IAD
Elite
Sep 01
Seattle, United States
90% AI deal score
$2,278
$1,205
Save $1,073
From IAD
Elite
Sep 15
Seattle, United States
90% AI deal score
$2,296
$1,205
Save $1,091
From IAD
Elite
Sep 14
Seattle, United States
90% AI deal score
$2,252
$1,220
Save $1,032
From IAD
Elite
Sep 19
Seattle, United States
90% AI deal score
$2,334
$1,221
Save $1,113
From IAD
Elite
Sep 15
Seattle, United States
90% AI deal score
$2,288
$1,221
Save $1,067
From IAD
Elite
Sep 12
Seattle, United States
90% AI deal score
$2,320
$1,221
Save $1,099
From IAD
Elite
Sep 16
Seattle, United States
90% AI deal score
$2,320
$1,221
Save $1,099
From DCA
Elite
Jul 20
Seattle, United States
90% AI deal score
$1,611
$825
Save $786
From BWI
Elite
Oct 02
Seattle, United States
90% AI deal score
$1,679
$1,009
Save $670
From DCA
Elite
Jul 19
Seattle, United States
89% AI deal score
$1,617
$872
Save $745
From DCA
Elite
Jul 18
Seattle, United States
89% AI deal score
$1,618
$898
Save $720
From DCA
Elite
Jul 21
Seattle, United States
89% AI deal score
$1,618
$898
Save $720
From DCA
Elite
Jul 21
Seattle, United States
89% AI deal score
$1,618
$898
Save $720
From BWI
Elite
Nov 06
Seattle, United States
89% AI deal score
$1,527
$1,009
Save $518
From BWI
Elite
Oct 06
Seattle, United States
89% AI deal score
$1,641
$1,009
Save $632
From DCA
Elite
Jul 21
Seattle, United States
88% AI deal score
$1,611
$705
Save $906
From DCA
Elite
Jun 30
Seattle, United States
88% AI deal score
$1,687
$756
Save $931
From DCA
Elite
Jul 22
Seattle, United States
88% AI deal score
$1,590
$898
Save $692
From BWI
Elite
Sep 12
Seattle, United States
88% AI deal score
$1,563
$1,009
Save $554
From BWI
Elite
Sep 28
Seattle, United States
88% AI deal score
$1,554
$1,009
Save $545
From DCA
Elite
Jul 18
Seattle, United States
87% AI deal score
$1,618
$958
Save $660
From DCA
Elite
Jul 20
Seattle, United States
87% AI deal score
$1,618
$958
Save $660
From DCA
Elite
Jul 20
Seattle, United States
87% AI deal score
$1,618
$958
Save $660
From DCA
Elite
Jul 22
Seattle, United States
87% AI deal score
$1,590
$958
Save $632
From DCA
Elite
Jul 19
Seattle, United States
87% AI deal score
$1,648
$1,005
Save $643
From BWI
Elite
Oct 31
Seattle, United States
86% AI deal score
$1,379
$1,109
Save $270
From BWI
Elite
Nov 09
Seattle, United States
86% AI deal score
$1,430
$1,109
Save $321
From DCA
Elite
Jul 20
Seattle, United States
86% AI deal score
$1,617
$765
Save $852
From DCA
Elite
Jul 21
Seattle, United States
86% AI deal score
$1,590
$765
Save $825
From DCA
Elite
Jul 15
Seattle, United States
86% AI deal score
$1,558
$1,005
Save $553
From DCA
Elite
Jul 19
Seattle, United States
86% AI deal score
$1,618
$1,005
Save $613
From IAD
Elite
Sep 19
Seattle, United States
85% AI deal score
$1,418
$1,165
Save $253
From DCA
Elite
Jul 19
Seattle, United States
85% AI deal score
$1,618
$812
Save $806
From DCA
Elite
Jul 18
Seattle, United States
85% AI deal score
$1,648
$1,091
Save $557
From DCA
Elite
Jul 18
Seattle, United States
85% AI deal score
$1,650
$1,091
Save $559
From IAD
Elite
Aug 10
Seattle, United States
84% AI deal score
$1,471
$1,196
Save $275
From IAD
Elite
Aug 24
Seattle, United States
84% AI deal score
$1,218
$867
Save $351
From DCA
Elite
Jul 22
Seattle, United States
84% AI deal score
$1,617
$1,091
Save $526
From DCA
Elite
Jul 22
Seattle, United States
84% AI deal score
$1,618
$1,091
Save $527
From DCA
Elite
Oct 03
Seattle, United States
81% AI deal score
$1,385
$1,137
Save $248
From DCA
Elite
Oct 01
Seattle, United States
81% AI deal score
$1,662
$1,267
Save $395
From DCA
Elite
Aug 18
Seattle, United States
80% AI deal score
$1,289
$1,085
Save $204
From DCA
Elite
Dec 13
Seattle, United States
80% AI deal score
$1,723
$1,317
Save $406
From IAD
Elite
Aug 31
Seattle, United States
79% AI deal score
$1,433
$1,165
Save $268
From IAD
Elite
Aug 28
Seattle, United States
79% AI deal score
$1,276
$1,085
Save $191
From IAD
Elite
Sep 26
Seattle, United States
79% AI deal score
$1,306
$1,126
Save $180
From IAD
Elite
Sep 29
Seattle, United States
79% AI deal score
$1,306
$1,126
Save $180
From IAD
Elite
Sep 15
Seattle, United States
79% AI deal score
$1,420
$1,205
Save $215
From IAD
Elite
Sep 14
Seattle, United States
79% AI deal score
$1,425
$1,205
Save $220
From IAD
Elite
Sep 12
Seattle, United States
79% AI deal score
$1,403
$1,205
Save $198
From IAD
Elite
Sep 13
Seattle, United States
79% AI deal score
$1,411
$1,205
Save $206
From IAD
Elite
Sep 11
Seattle, United States
79% AI deal score
$1,400
$1,205
Save $195
From IAD
Elite
Sep 06
Seattle, United States
79% AI deal score
$1,404
$1,205
Save $199
From IAD
Elite
Sep 14
Seattle, United States
79% AI deal score
$1,420
$1,205
Save $215
From IAD
Elite
Sep 13
Seattle, United States
79% AI deal score
$1,425
$1,205
Save $220
From IAD
Elite
Sep 12
Seattle, United States
79% AI deal score
$1,411
$1,205
Save $206
From IAD
Elite
Aug 28
Seattle, United States
79% AI deal score
$1,265
$952
Save $313
From IAD
Elite
Aug 30
Seattle, United States
78% AI deal score
$1,420
$1,205
Save $215
From IAD
Elite
Aug 25
Seattle, United States
78% AI deal score
$1,401
$1,205
Save $196
From IAD
Elite
Sep 11
Seattle, United States
78% AI deal score
$1,365
$1,205
Save $160
From IAD
Elite
Aug 24
Seattle, United States
78% AI deal score
$1,246
$952
Save $294
From IAD
Elite
Aug 15
Seattle, United States
78% AI deal score
$1,211
$952
Save $259
From IAD
Elite
Aug 10
Seattle, United States
78% AI deal score
$1,217
$952
Save $265
From IAD
Elite
Aug 25
Seattle, United States
77% AI deal score
$1,373
$1,205
Save $168
From IAD
Elite
Aug 25
Seattle, United States
77% AI deal score
$1,369
$1,205
Save $164
From IAD
Elite
Aug 11
Seattle, United States
77% AI deal score
$1,360
$1,205
Save $155
From IAD
Elite
Aug 15
Seattle, United States
77% AI deal score
$1,390
$1,221
Save $169
From IAD
Elite
Aug 26
Seattle, United States
77% AI deal score
$1,297
$1,205
Save $92
From IAD
Elite
Sep 06
Seattle, United States
77% AI deal score
$1,034
$857
Save $177
From IAD
Elite
Sep 07
Seattle, United States
77% AI deal score
$1,042
$867
Save $175
From IAD
Elite
Sep 21
Seattle, United States
77% AI deal score
$1,034
$867
Save $167
From IAD
Elite
Sep 14
Seattle, United States
77% AI deal score
$1,042
$867
Save $175
From IAD
Elite
Aug 30
Seattle, United States
77% AI deal score
$1,217
$998
Save $219
From IAD
Elite
Sep 15
Seattle, United States
76% AI deal score
$1,288
$1,205
Save $83
From IAD
Elite
Sep 09
Seattle, United States
76% AI deal score
$1,284
$1,205
Save $79
From IAD
Elite
Sep 06
Seattle, United States
76% AI deal score
$1,271
$1,205
Save $66
From IAD
Elite
Sep 14
Seattle, United States
76% AI deal score
$1,288
$1,205
Save $83
From IAD
Elite
Aug 19
Seattle, United States
76% AI deal score
$1,280
$1,205
Save $75