Anchorage to Seattle (ANC–SEA) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
ANC–SEA is served by 5 airlines with nonstop service. Alaska Airlines, Delta Air Lines and United Airlines lead the route. The flight covers 1,445 miles in approximately 3h 35m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AS Alaska Airlines Also: AY, BA, DE, FI, HA, JL, JX, KE, QR | 133 | 737, 738, 739, 73H, 73J, 73S, 7M9, B39M | 3h04-3h36 | Oneworld | AY, BA, DE, FI, HA, JL, JX, KE, QR | |
| DL Delta Air Lines Also: AF, AM, KE, KL, SK, VS, WS | 35 | 223, 738, 739, BCS3 | 3h06-3h41 | SkyTeam | AF, AM, KE, KL, SK, VS, WS | |
| UA United Airlines | 1 | – | – | Star Alliance | – | |
| CNK CNK | 0 | – | – | – | – | |
| HTT HTT | 0 | – | – | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Seattle from Anchorage
| Metric | ANC→SEA | CDV→SEA |
|---|---|---|
| Distance from ANC | – | 159 mi |
| Nonstop airlines | 5 | 1 |
| Weekly flights | 449 | 1 |
| Flight time | 3h 35m | 2h 54m |
| Departure OTP | 66% | – |
Travel Essentials
ANC: AKDT · SEA: PDT
When it's 6:00 PM in Anchorage, it's 7:00 PM in Seattle.
Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.
Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.
Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.
ANC–SEA Quick Facts
Frequently Asked Questions
Anchorage to Seattle: Alaska's Primary Lower-48 Gateway
ANC-SEA is Alaska Airlines's highest-frequency connection between its namesake state and the contiguous US. Alaska operates up to seven daily round trips during peak summer, deploying Boeing 737-800s and 737-900ERs. Delta and United add competing nonstop service. The 1,448-mile route takes three hours 15 minutes southbound; northbound runs slightly longer at three hours 25 to 35 minutes due to headwinds. Alaska's dominance on this pair reflects its historical role as the carrier built to serve Alaska before expanding nationally; the route is foundational to its network strategy and carries both originating leisure travelers and connecting passengers feeding SEA-TAC's transcontinental and international services.
Seasonal Demand and Connectivity
ANC-SEA demand peaks sharply in summer (June through August), when Alaska's tourism season, cruise ship passenger flows, and sportfishing draw high volumes. Winter demand drops significantly. Delta and United concentrate summer service, with reduced winter frequency. ANC is also a major cargo hub positioned on the great-circle polar routes from Asia to North America; FedEx and UPS operate significant freight operations at the airport. For ANC-SEA passengers connecting onward, SEA-TAC provides Alaska's full domestic network and connections to the oneworld alliance (BA, Cathay Pacific, Finnair) via Alaska's oneworld membership since 2021. The Central Terminal expansion at SEA opened additional international gate capacity in 2023.