Cheap Flights from Seattle to Lisbon
Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Seattle
RatePunk searches hundreds of travel sites at once for deals on flights to Lisbon
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 Seattle to Lisbon
Explore current cheapest deals departing from Seattle to Lisbon
Round trip
Sort by: Cheapest
September 11 - September 14
SEA - Lisbon
$876
$702
Round trip
September 1 - September 12
SEA - Lisbon
$809
$724
Round trip
September 1 - September 13
SEA - Lisbon
$806
$728
Round trip
October 13 - October 21
SEA - Lisbon
$793
$731
Round trip
August 18 - August 25
SEA - Lisbon
$753
$734
Round trip
September 5 - September 19
SEA - Lisbon
$810
$737
Round trip
September 10 - September 16
SEA - Lisbon
$849
$737
Round trip
September 2 - September 13
SEA - Lisbon
$809
$738
Round trip
October 12 - October 21
SEA - Lisbon
$797
$743
Round trip
August 18 - August 27
SEA - Lisbon
$742
$745
Round trip
Unlock all 500+ flight deals to Lisbon and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Seattle to Lisbon
How much is a round trip from Seattle to Lisbon
Regular price: $727 - $1,377
Prices for flights from Seattle to Lisbon are currently below the regular range.
The regular price range for this route is $727 to $1377. The current lowest deal is $702 with Icelandair, departing on Sep 11 and returning on Sep 14.
now $702
Low $727
High $1,377
The cheapest time to fly from Seattle to Lisbon
The cheapest month to fly from Seattle to Lisbon is January, with a median price of $404. The most expensive month is June, with a median price of $1307. Prices are generally lower from January to December.
January
Flights from $404
June
Flights from $1,307
Direct flights from Seattle to Lisbon
Icelandair
Alaska Airlines, Inc.
Air Canada
Air France
Last-minute flights going from Seattle to Lisbon
Sun, Jul 12
SEA - Lisbon
Seattle (SEA) - Lisbon (LIS)
Lufthansa
$773
$929
One-way
Sun, Aug 2
SEA - Lisbon
Seattle (SEA) - Lisbon (LIS)
Lufthansa
$716
$905
One-way
Tue, Aug 4
SEA - Lisbon
Seattle (SEA) - Lisbon (LIS)
Lufthansa
$744
$922
One-way
Wed, Aug 5
SEA - Lisbon
Seattle (SEA) - Lisbon (LIS)
Icelandair
$708
$773
One-way
Sun, Aug 16
SEA - Lisbon
Seattle (SEA) - Lisbon (LIS)
Icelandair
$732
$813
One-way
Mon, Aug 17
SEA - Lisbon
Seattle (SEA) - Lisbon (LIS)
Icelandair
$733
$765
One-way
Biggest price drops on these dates for flights from Seattle to Lisbon
Sep 11 - Sep 14
$876 → $702
20%
Sep 10 - Sep 16
$849 → $737
13%
Sep 21 - Sep 28
$877 → $773
12%
Sep 8 - Sep 10
$881 → $795
10%
Popular Airports to fly from Seattle to Lisbon
Seattle - Lisbon route insights
💸 Price insights
Recent fares are above the typical level
Recent fares from Seattle to Lisbon are above the typical level, with 6% good prices.
📅 Best time to fly
January is historically the cheapest month to fly
Historically, January is the cheapest month to fly from Seattle to Lisbon, with a median price of $404.
⏱️ Flight duration
Flights are typically 29h 31m long
Flights from Seattle to Lisbon typically take 29h 31m, with 2 stopovers when connecting.
✈️ Airlines & availability
Connecting flights are dominant on this route
Connecting flights are dominant for Seattle to Lisbon. There are no direct flights available.
🏆 Airline highlight
Icelandair offers deals on this route
Icelandair has offered 32 deals on connecting flights from Seattle to Lisbon.
🎯 Booking tip
Deals appear frequently, about 1 per day
Deals for flights from Seattle to Lisbon appear frequently, about 1 per day.
Seattle main airports to depart from
Seattle–Tacoma International (SEA)
Fly from Seattle–Tacoma International for direct or connecting flights to Lisbon.
📍 ~20 km from Seattle (reachable by car or train)
💸 Flights from ~$702
Boeing Field (BFI)
Consider Boeing Field as an alternative departure point for flights to Lisbon.
📍 ~10 km from Seattle (reachable by car)
💸 Flights from ~$1197
Kenmore Air Harbor Seaplane Base (LKE)
Kenmore Air Harbor Seaplane Base offers another departure option for your trip to Lisbon.
📍 ~5 km from Seattle (reachable by car)
💸 Flights from ~$702
Lisbon main airports to arrive at
Lisbon Portela (LIS)
Lisbon Portela Airport is the primary gateway to Lisbon, offering direct access to the city and surrounding areas.
📍 ~7 km from city center (reachable by metro, bus, or car)
💸 Flights from ~$702
Airports nearby Lisbon used as alternative
Porto (OPO)
Porto (OPO) is a major international hub with an extensive route network comparable to Lisbon.
📍 ~280 km from Lisbon (reachable by train or car, ~3 hours travel time)
💸 Flights from ~$734
Faro (FAO)
Faro (FAO) offers significant international traffic, especially from low-cost carriers, for European leisure destinations.
📍 ~220 km from Lisbon (reachable by car, ~2.5 to 3 hours travel time)
💸 Flights from ~$774
Seville (SVQ)
Seville (SVQ) is a major Spanish airport with diverse European connections, accessible via cross-border road links.
📍 ~310 km from Lisbon (reachable by car, ~4 hours travel time)
💸 Flights from ~$716
Málaga (AGP)
Málaga (AGP) is a large international hub with many long-haul and budget options.
📍 ~460 km from Lisbon (reachable by car, over 4.5 hours travel time)
💸 Flights from ~$696
Badajoz (BJZ)
Badajoz (BJZ) is geographically the closest Spanish airport to Lisbon, useful for specific regional connections.
📍 ~200 km from Lisbon (reachable by car)
💸 Flights from ~$870
Business & First Class Flight Deals to Lisbon
Discover luxury on the budget with premium cabin class on flights from Seattle to Lisbon.
Elite
Best Elite deals to Lisbon
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From SEA
Elite
Aug 01
Lisbon, Portugal
95% AI deal score
$6,947
$3,294
Save $3,653
From SEA
Elite
Aug 11
Lisbon, Portugal
94% AI deal score
$6,465
$3,121
Save $3,344
From SEA
Elite
Aug 11
Lisbon, Portugal
94% AI deal score
$6,379
$3,121
Save $3,258
From SEA
Elite
Aug 11
Lisbon, Portugal
94% AI deal score
$6,265
$3,124
Save $3,141
From SEA
Elite
Aug 11
Lisbon, Portugal
94% AI deal score
$6,265
$3,126
Save $3,139
From SEA
Elite
Aug 12
Lisbon, Portugal
94% AI deal score
$6,327
$3,203
Save $3,124
From SEA
Elite
Aug 12
Lisbon, Portugal
94% AI deal score
$6,469
$3,207
Save $3,262
From SEA
Elite
Aug 01
Lisbon, Portugal
94% AI deal score
$6,384
$3,266
Save $3,118
From SEA
Elite
Aug 01
Lisbon, Portugal
94% AI deal score
$6,454
$3,309
Save $3,145
From SEA
Elite
Aug 01
Lisbon, Portugal
94% AI deal score
$6,473
$3,310
Save $3,163
From SEA
Elite
Aug 12
Lisbon, Portugal
94% AI deal score
$6,383
$3,328
Save $3,055
From SEA
Elite
Aug 12
Lisbon, Portugal
94% AI deal score
$6,510
$3,376
Save $3,134
From SEA
Elite
Aug 12
Lisbon, Portugal
94% AI deal score
$6,423
$3,376
Save $3,047
From SEA
Elite
Aug 01
Lisbon, Portugal
94% AI deal score
$6,454
$3,376
Save $3,078
From SEA
Elite
Aug 12
Lisbon, Portugal
93% AI deal score
$6,308
$3,376
Save $2,932
From SEA
Elite
Aug 12
Lisbon, Portugal
93% AI deal score
$6,432
$3,398
Save $3,034
From SEA
Elite
Nov 03
Lisbon, Portugal
92% AI deal score
$2,724
$1,890
Save $834
From SEA
Elite
Nov 10
Lisbon, Portugal
92% AI deal score
$2,719
$1,890
Save $829
From SEA
Elite
Nov 25
Lisbon, Portugal
92% AI deal score
$2,732
$1,890
Save $842
From SEA
Elite
Nov 11
Lisbon, Portugal
92% AI deal score
$2,720
$1,890
Save $830
From SEA
Elite
Nov 15
Lisbon, Portugal
92% AI deal score
$2,718
$1,894
Save $824
From SEA
Elite
Jul 21
Lisbon, Portugal
92% AI deal score
$2,656
$1,902
Save $754
From SEA
Elite
Jul 26
Lisbon, Portugal
92% AI deal score
$2,659
$1,902
Save $757
From SEA
Elite
Jul 23
Lisbon, Portugal
92% AI deal score
$2,656
$1,902
Save $754
From SEA
Elite
Jul 28
Lisbon, Portugal
92% AI deal score
$2,659
$1,902
Save $757
From SEA
Elite
Nov 09
Lisbon, Portugal
92% AI deal score
$2,723
$1,990
Save $733
From SEA
Elite
Nov 26
Lisbon, Portugal
92% AI deal score
$2,742
$1,990
Save $752
From SEA
Elite
Nov 30
Lisbon, Portugal
92% AI deal score
$2,735
$1,990
Save $745
From SEA
Elite
Nov 12
Lisbon, Portugal
92% AI deal score
$2,720
$1,990
Save $730
From SEA
Elite
Aug 24
Lisbon, Portugal
91% AI deal score
$6,484
$4,296
Save $2,188
From SEA
Elite
Jul 31
Lisbon, Portugal
91% AI deal score
$2,646
$1,935
Save $711
From SEA
Elite
Nov 28
Lisbon, Portugal
91% AI deal score
$2,740
$2,090
Save $650
From SEA
Elite
Oct 11
Lisbon, Portugal
90% AI deal score
$3,729
$2,851
Save $878
From SEA
Elite
Oct 11
Lisbon, Portugal
90% AI deal score
$3,789
$2,901
Save $888
From SEA
Elite
Oct 20
Lisbon, Portugal
89% AI deal score
$3,708
$2,995
Save $713
From SEA
Elite
Nov 01
Lisbon, Portugal
89% AI deal score
$4,057
$3,262
Save $795
From SEA
Elite
Oct 11
Lisbon, Portugal
84% AI deal score
$3,606
$2,995
Save $611
From SEA
Elite
Aug 03
Lisbon, Portugal
84% AI deal score
$6,611
$5,071
Save $1,540
From SEA
Elite
Dec 08
Lisbon, Portugal
84% AI deal score
$2,164
$1,889
Save $275
From SEA
Elite
Jul 14
Lisbon, Portugal
84% AI deal score
$2,636
$2,266
Save $370
From SEA
Elite
Jul 27
Lisbon, Portugal
84% AI deal score
$2,642
$2,266
Save $376
From SEA
Elite
Jul 15
Lisbon, Portugal
84% AI deal score
$2,635
$2,266
Save $369
From SEA
Elite
Nov 02
Lisbon, Portugal
83% AI deal score
$4,046
$3,337
Save $709
From SEA
Elite
Aug 05
Lisbon, Portugal
83% AI deal score
$6,483
$4,769
Save $1,714
From SEA
Elite
Aug 04
Lisbon, Portugal
83% AI deal score
$6,484
$4,769
Save $1,715
From SEA
Elite
Aug 11
Lisbon, Portugal
83% AI deal score
$2,187
$1,903
Save $284
From SEA
Elite
Aug 17
Lisbon, Portugal
83% AI deal score
$2,308
$1,981
Save $327
From SEA
Elite
Jul 14
Lisbon, Portugal
83% AI deal score
$2,610
$2,266
Save $344
From SEA
Elite
Jul 21
Lisbon, Portugal
83% AI deal score
$2,613
$2,266
Save $347
From SEA
Elite
Oct 16
Lisbon, Portugal
82% AI deal score
$3,777
$3,305
Save $472
From SEA
Elite
Nov 16
Lisbon, Portugal
82% AI deal score
$3,852
$3,357
Save $495
From SEA
Elite
Oct 17
Lisbon, Portugal
82% AI deal score
$3,856
$3,388
Save $468
From SEA
Elite
Aug 13
Lisbon, Portugal
82% AI deal score
$2,168
$1,902
Save $266
From SEA
Elite
Aug 09
Lisbon, Portugal
82% AI deal score
$2,185
$1,936
Save $249
From SEA
Elite
Aug 01
Lisbon, Portugal
82% AI deal score
$2,194
$1,954
Save $240
From SEA
Elite
Jul 30
Lisbon, Portugal
82% AI deal score
$2,648
$2,375
Save $273
From SEA
Elite
Oct 14
Lisbon, Portugal
81% AI deal score
$3,711
$3,335
Save $376
From SEA
Elite
Oct 13
Lisbon, Portugal
81% AI deal score
$3,866
$3,452
Save $414
From SEA
Elite
Oct 18
Lisbon, Portugal
81% AI deal score
$3,871
$3,461
Save $410
From SEA
Elite
Aug 01
Lisbon, Portugal
81% AI deal score
$2,197
$2,011
Save $186
From SEA
Elite
Aug 11
Lisbon, Portugal
81% AI deal score
$2,200
$2,022
Save $178
From SEA
Elite
Aug 16
Lisbon, Portugal
81% AI deal score
$2,272
$2,029
Save $243
From SEA
Elite
Oct 13
Lisbon, Portugal
80% AI deal score
$3,717
$3,397
Save $320
From SEA
Elite
Aug 11
Lisbon, Portugal
80% AI deal score
$6,469
$5,693
Save $776
From SEA
Elite
Aug 01
Lisbon, Portugal
80% AI deal score
$2,183
$2,011
Save $172
From SEA
Elite
Aug 01
Lisbon, Portugal
80% AI deal score
$2,194
$2,022
Save $172
From SEA
Elite
Nov 01
Lisbon, Portugal
79% AI deal score
$3,799
$3,605
Save $194
From SEA
Elite
Nov 08
Lisbon, Portugal
79% AI deal score
$3,787
$3,605
Save $182
From SEA
Elite
Nov 13
Lisbon, Portugal
79% AI deal score
$3,837
$3,660
Save $177
From SEA
Elite
Aug 07
Lisbon, Portugal
79% AI deal score
$2,161
$2,026
Save $135
From SEA
Elite
Oct 05
Lisbon, Portugal
78% AI deal score
$3,638
$3,527
Save $111
From SEA
Elite
Aug 19
Lisbon, Portugal
78% AI deal score
$2,195
$2,126
Save $69
From SEA
Elite
Aug 09
Lisbon, Portugal
78% AI deal score
$2,199
$2,128
Save $71
From SEA
Elite
Aug 22
Lisbon, Portugal
78% AI deal score
$2,194
$2,144
Save $50
From SEA
Elite
Aug 07
Lisbon, Portugal
78% AI deal score
$2,199
$2,145
Save $54
From SEA
Elite
Aug 23
Lisbon, Portugal
77% AI deal score
$2,163
$2,126
Save $37
From SEA
Elite
Aug 09
Lisbon, Portugal
77% AI deal score
$2,265
From SEA
Elite
Aug 17
Lisbon, Portugal
77% AI deal score
$2,392
From SEA
Elite
Aug 05
Lisbon, Portugal
76% AI deal score
$2,265
From SEA
Elite
Aug 06
Lisbon, Portugal
76% AI deal score
$2,377
From SEA
Elite
Aug 11
Lisbon, Portugal
76% AI deal score
$2,772
From SEA
Elite
Aug 10
Lisbon, Portugal
76% AI deal score
$2,794
From SEA
Elite
Aug 01
Lisbon, Portugal
76% AI deal score
$2,874
From SEA
Elite
Jul 29
Lisbon, Portugal
75% AI deal score
$4,769
From SEA
Elite
Nov 01
Lisbon, Portugal
75% AI deal score
$5,543
From SEA
Elite
Aug 11
Lisbon, Portugal
75% AI deal score
$2,796
From SEA
Elite
Aug 09
Lisbon, Portugal
74% AI deal score
$3,128
From SEA
Elite
Oct 22
Lisbon, Portugal
73% AI deal score
$4,685
From SEA
Elite
Jul 24
Lisbon, Portugal
72% AI deal score
$17,423
From SEA
Elite
Jul 25
Lisbon, Portugal
72% AI deal score
$17,423
From SEA
Elite
Dec 02
Lisbon, Portugal
71% AI deal score
$6,693
From SEA
Elite
Jun 20
Lisbon, Portugal
70% AI deal score
$8,065
From SEA
Elite
Jun 20
Lisbon, Portugal
70% AI deal score
$8,490
From SEA
Elite
Jun 20
Lisbon, Portugal
70% AI deal score
$8,490
From SEA
Elite
Jun 20
Lisbon, Portugal
70% AI deal score
$8,576
From SEA
Elite
Jun 24
Lisbon, Portugal
68% AI deal score
$6,746
From SEA
Elite
Jun 24
Lisbon, Portugal
68% AI deal score
$6,749