Air Fryer Salmon: Time, Temperature & Easy Method
Air fryer salmon is one of those weeknight dinners that feels like more effort than it is. Eight minutes from a cold fillet to a properly cooked piece of fish. Less washing up than the hob. And it actually works — the heat crisps the skin while keeping the flesh moist.
Here's exactly how.
Air Fryer Salmon Cooking Times
All times assume a preheated air fryer and fillets roughly 1 inch thick at the thickest point. Skin-side down.
| Fillet Thickness | Temp (°F) | Temp (°C) | Time | Texture |
|---|---|---|---|---|
| ½ inch (thin) | 400°F | 200°C | 6–7 min | Flaky, fully cooked |
| 1 inch (standard) | 400°F | 200°C | 8–10 min | Flaky throughout |
| 1¼ inch (thick) | 400°F | 200°C | 10–12 min | Flaky outside, slightly translucent centre |
| Frozen (1 inch) | 400°F | 200°C | 12–14 min | Check at 12 min |
Safe internal temperature: 145°F / 63°C (USDA minimum). At 125–130°F / 52–54°C, salmon is medium — still translucent in the centre, which many people prefer. That's a personal choice, not a USDA recommendation.
Step-by-Step Method
1. Start with room-temperature salmon.
Take the fillet out of the fridge 10–15 minutes before cooking. A cold fillet takes longer to cook through, which means the exterior overcooks while the centre is still underdone. This matters more with thick fillets.
2. Pat dry.
Use kitchen paper to pat the surface and skin dry. Surface moisture is steam — it prevents the skin from crisping and the flesh from browning. Ten seconds of patting makes a difference.
3. Season.
A light spray of oil on the flesh side. Salt and pepper at minimum. Whatever else you want — garlic powder, smoked paprika, dried dill, lemon zest — goes on now.
4. Preheat the air fryer.
3–4 minutes at 400°F / 200°C. Put the salmon in skin-side down immediately after preheating.
5. Cook without flipping.
Unlike most air fryer foods, salmon doesn't need to be flipped. The fan circulates heat evenly enough that you get good cooking on both sides with the skin down throughout. Flipping risks the flesh sticking or breaking apart.
6. Check the temperature.
At the 8-minute mark for a standard 1-inch fillet, check the internal temperature with a thermometer inserted into the thickest part. Pull at 145°F for fully cooked, or 125–130°F if you prefer it medium.
7. Rest briefly.
One to two minutes resting on the plate before eating. Not strictly necessary with fish, but the temperature evens out and it's slightly more forgiving if you serve it immediately after.
Getting Crispy Skin
Air fryer salmon skin crisps reliably if you do two things: dry the skin before cooking, and don't skip the preheat. The skin needs to hit hot, dry air from the start. Wet skin goes from wet to slightly less wet in the first few minutes rather than crisping.
If you've done both and the skin still isn't crispy: your fillet may have had very thin skin, or was very fresh and moist. Try increasing to 425°F / 220°C and reducing the time slightly.
Seasonings That Work Well
- Lemon and dill: Classic. Lemon zest and a pinch of dried dill on the flesh side before cooking, fresh lemon juice squeezed over after.
- Garlic butter: After cooking, top immediately with a small knob of butter, a clove of garlic (grated), and fresh parsley. The heat from the fish melts the butter.
- Soy and ginger: Brush with a mix of soy sauce, a tiny amount of sesame oil, and a pinch of grated ginger before cooking. Watch the time carefully — soy sauce can burn before the fish is done. Reduce to 380°F / 195°C with this marinade.
- Smoked paprika and cumin: Good if you want something with more of a crust. Mix smoked paprika, cumin, garlic powder, and a little salt — press onto the flesh side before cooking.
- Plain with good salt: Flaky sea salt, a light oil spray, nothing else. The quality of the salmon does the work.
Cooking Salmon From Frozen
It works — salmon from frozen is one of the better things to cook in an air fryer. No thawing needed.
- Pat the frozen fillet dry if there's ice on the surface.
- Season (seasoning sticks less well to a frozen surface, but well enough).
- 400°F / 200°C for 12–14 minutes, skin-side down, no flipping.
- Check internal temperature at 12 minutes. The fillet is done at 145°F.
The result won't have crispy skin (frozen fillets release moisture as they thaw), but the flesh will be moist and properly cooked. For weeknight dinners from a freezer bag, this is entirely acceptable.
Types of Salmon
- Atlantic salmon (farmed): The most common, widely available, higher fat content. More forgiving in the air fryer — the fat keeps it moist even if slightly overcooked. Good starting point.
- Sockeye: Leaner and more flavourful than Atlantic. Lower fat means it dries out faster. Pull it at 140°F rather than 145°F to keep it moist.
- Coho: Between Atlantic and sockeye in fat content. Versatile.
- Wild-caught: Generally leaner than farmed. Reduce cooking time by 1–2 minutes and check early.
Frequently Asked Questions
Should I flip salmon in the air fryer?
No — skin-side down the whole way. The circulating air cooks both sides adequately without flipping, and you risk breaking the fillet if you try to turn it.
Why is my salmon dry?
Overcooked. Salmon dries out quickly past 145°F. Check with a thermometer and pull earlier next time. A thinner fillet than expected is also a common culprit — check at 6–7 minutes.
Can I cook salmon with vegetables at the same time?
Yes, if the vegetables have a similar cooking time. Asparagus (7–9 min), tenderstem broccoli (7–9 min), and thin Courgette slices (8–10 min) all work alongside a standard salmon fillet. Put the salmon in a couple of minutes after the vegetables if they need more time.
Can I use frozen salmon with marinade?
Not effectively. The marinade slides off a frozen surface and pools in the basket where it burns. Season lightly from frozen, then add any sauce or glaze in the last 2 minutes of cooking.