Overall Verdict
Winner: Southwest Airlines
Southwest Airlines takes the win for most budget-conscious travelers due to its industry-leading free baggage policy and no change fees. However, Alaska Airlines is superior for comfort, international connections via Oneworld, and assigned seating.
- Best for Budget: Southwest Airlines
- Best for Long Haul: Alaska Airlines
- Best for Families: Southwest Airlines
- Best for Business: Alaska Airlines
Side-by-Side Comparison
| Category | Option A | Option B | Winner |
|---|---|---|---|
| Average fare (short-haul) | $155 | $145 | b |
| Route network (destinations) | 115+ | 120+ | b |
| On-time performance | 82% | 79% | a |
| Cabin baggage allowance | 1 carry-on + 1 personal | 1 carry-on + 1 personal | tie |
| Checked bag fee (first bag) | $35 | $0 | b |
| Seat comfort (short-haul) | 8/10 | 7/10 | a |
| Customer satisfaction (Skytrax) | 4.5/5 | 4.5/5 | tie |
| Fleet age | 8 years | 12 years | a |
| In-flight entertainment | Seatback screens + WiFi | Streaming via App + WiFi | a |
| Food & drink included | Snacks (paid meals) | Snacks + Drinks | tie |
Tips
- Choose Southwest if you check bags to save $30-$60 per round trip.
- Watch for Alaska’s fare classes; Saver fares lack seat selection.
- Alaska Mileage Plan miles are valuable for Oneworld partner redemptions.
- Fly Alaska for West Coast business trips; Southwest for domestic leisure.
- Always compare total price including bags before booking either airline.
Frequently Asked Questions
Is Alaska Airlines or Southwest Airlines cheaper?
Southwest is often cheaper when factoring in baggage fees, though base fares are competitive.
Which airline is safer, Alaska Airlines or Southwest Airlines?
Both airlines maintain excellent safety records and meet all FAA regulatory standards.
Does Alaska Airlines or Southwest Airlines have better customer service?
Southwest is known for friendly humor, while Alaska is praised for professional efficiency.
Which has more routes, Alaska Airlines or Southwest Airlines?
Southwest has a larger domestic network, while Alaska focuses on the West Coast and Alaska.
Can I earn miles on both Alaska Airlines and Southwest Airlines?
Yes, Alaska uses Mileage Plan (Oneworld) and Southwest uses Rapid Rewards (points-based).
Which airline is better for families?
Southwest is better for families due to free bags and flexible change policies.
What is the baggage policy for Alaska Airlines vs Southwest Airlines?
Alaska charges $35 for the first checked bag; Southwest allows two free checked bags.