Flights Hanoi (Soc Son) → San Francisco
As of October 2026, economy flights from Hanoi (Soc Son) to San Francisco have a typical range USD 597–2693, median USD 935. Full range across all 185 offers: USD 479–13909. We analyzed 185 offers from 38 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Hanoi (Soc Son) → San Francisco
Based on 185 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Hanoi (Soc Son) → San Francisco
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| VietJet Air | Included | USD 19 | — |
| HK Express | USD 100 | USD 200 | — |
| Delta | Included | USD 75 | — |
| Cathay Pacific | Included | Included | — |
| Etihad Airways | Included | Included | — |
| EVA Air | Included | Included | — |
| Hahn Air Systems | Included | Included | — |
| Vietnam Airlines | Included | Included | — |
| Cathay Pacific | — | USD 6 | — |
| Asiana Airlines | Included | Included | — |
| EVA Air | — | USD 6 | — |
| Sun PhuQuoc Airways | Included | — | — |
| STARLUX Airlines | Included | Included | — |
| China Eastern | Included | Included | — |
| Turkish Airlines | Included | Included | — |
| China Airlines | Included | Included | — |
| Vietnam Airlines | — | USD 7 | — |
| Qatar Airways | Included | Included | — |
| Korean Air | Included | Included | — |
| Philippine Airlines | Included | Included | — |
| Japan Airlines | Included | Included | — |
| China Southern | Included | Included | — |
| Emirates | Included | Included | — |
| Thai Airways | Included | Included | — |
| Lufthansa | Included | USD 35 | — |
| Air France | Included | USD 35 | — |
| Singapore Airlines | Included | Included | — |
| United | Included | USD 35 | — |
| ANA (All Nippon Airways) | Included | Included | — |
| Malaysia Airlines | Included | Included | — |
| IndiGo | Included | USD 1000 | — |
| Air India | Included | Included | — |
| SWISS | Included | USD 40 | — |
| WestJet | Included | USD 30 | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Hanoi (Soc Son) to San Francisco cost?
Based on 185 offers · October 2026
Hanoi (Soc Son) to San Francisco flights ranged from USD 479 to USD 13909 across 185 offers analyzed in October 2026. The chart below shows how prices distributed across all 185 offers.
These 185 offers (October 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 745 and USD 1653
What hidden fees do Hanoi (Soc Son) to San Francisco flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Hanoi (Soc Son) to San Francisco routes. The breakdown below is based on 185 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| VJ | 220015 | 35092% |
| UO | 350 | 73% |
| DL | 73 | 12% |
| CX | 50 | 6% |
| EY | 15 | 1% |
| BR | 15 | 2% |
| H1 | 0 | 0% |
| VN | 10 | 1% |
| Cathay Pacific | 6 | 1% |
| OZ | 15 | 1% |
| EVA Air | 6 | 1% |
| 9G | 0 | 0% |
| JX | 15 | 2% |
| MU | 30 | 4% |
| TK | 10 | 1% |
| CI | 15 | 1% |
| Vietnam Airlines | 7 | 1% |
| QR | 20 | 2% |
| KE | 15 | 1% |
| PR | 15 | 1% |
| JL | 0 | 0% |
| CZ | 30 | 3% |
| EK | 20 | 1% |
| TG | 0 | 0% |
| LH | 45 | 2% |
| AF | 47 | 2% |
| SQ | 20 | 1% |
| UA | 45 | 2% |
| NH | 0 | 0% |
| MH | 15 | 0% |
| 6E | 1250 | 41% |
| AI | 10 | 0% |
| LX | 52 | 1% |
| WS | 42 | 1% |
VietJet Air: base ~USD -219424 + fees USD 220015 = ~USD 591 total. EVA Air: base ~USD 667 + fees USD 6 = ~USD 673 total.
VietJet Air's USD 220015 ancillary fees narrow the gap with EVA Air's lower-fee model — the USD 220091 base difference shrinks to USD 82 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Hanoi (Soc Son) to San Francisco?
38 airlines flew Hanoi (Soc Son) to San Francisco in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 HK Express | 1 | — | 479 | 350 (73%) |
 Delta Air Lines | 6 | 548–713 | 548 | 73 (13%) |
 VietJet Air | 5 | 586–704 | 591 | 220015 (37254%) |
 H1 | 1 | — | 591 | 0 (0%) |
 Qatar Airways | 3 | 581–597 | 597 | n/a |
 EVA Air | 2 | 617–729 | 673 | 6 (1%) |
 Level | 2 | 555–818 | 686 | n/a |
 Cathay Pacific | 3 | 577–717 | 689 | 6 (1%) |
 Korean Air | 4 | 737–744 | 737 | n/a |
 9G | 3 | 745–814 | 747 | 0 (0%) |
 China Eastern | 4 | 778–824 | 801 | 30 (4%) |
 Turkish Airlines | 1 | — | 825 | 10 (1%) |
 EVA Air | 22 | 597–911 | 833 | 15 (2%) |
 Vietnam Airlines | 1 | — | 839 | 7 (1%) |
 Vietnam Airlines | 44 | 698–2887 | 929 | 10 (1%) |
 Cathay Pacific | 4 | 678–957 | 944 | 50 (5%) |
 China Southern | 1 | — | 1024 | 30 (3%) |
 Starlux | 3 | 803–1072 | 1032 | 15 (1%) |
 Japan Airlines | 3 | 1025–1217 | 1080 | 0 (0%) |
 Asiana Airlines | 7 | 736–1822 | 1110 | 15 (1%) |
 Qatar Airways | 5 | 966–1677 | 1146 | 20 (2%) |
 China Airlines | 12 | 829–1598 | 1149 | 15 (1%) |
 Korean Air | 7 | 879–1868 | 1334 | 15 (1%) |
 Thai Airways | 1 | — | 1405 | 0 (0%) |
 Emirates | 5 | 1353–1696 | 1483 | 20 (1%) |
 Lufthansa | 3 | 1509–3269 | 1536 | 45 (3%) |
 Etihad Airways | 6 | 992–1653 | 1555 | 15 (1%) |
 Air France | 3 | 1684–2788 | 1688 | 47 (3%) |
 Philippine Airlines | 7 | 1239–1859 | 1746 | 15 (1%) |
 Singapore Airlines | 4 | 1746–1788 | 1788 | 20 (1%) |
 United Airlines | 1 | — | 1839 | 45 (2%) |
 ANA | 2 | 1882–2208 | 2045 | 0 (0%) |
 IndiGo | 2 | 3050–3059 | 3055 | 1250 (41%) |
 Air India | 1 | — | 3149 | 10 (0%) |
 Malaysia Airlines | 3 | 2748–3336 | 3322 | 15 (0%) |
 Swiss | 1 | — | 3685 | 52 (1%) |
 WestJet | 1 | — | 3824 | 42 (1%) |
 HO | 1 | — | 4765 | n/a |
Where do the best Hanoi (Soc Son) → San Francisco prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Hanoi (Soc Son) to San Francisco flights
- Full-service carriers on Hanoi (Soc Son)–San Francisco cost 0.4x more than budget airlines (USD 1417 vs USD 3824 median; overall median USD 935).
- VJ charges 36669.2x more in ancillary fees than EVA Air — USD 220015 vs USD 6 avg per booking.
- The same route priced USD 693 apart depending on where it was booked — the lowest median was USD 698. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Hanoi (Soc Son) to San Francisco cost?
- Based on 185 offers analyzed, Hanoi (Soc Son) to San Francisco flights range from USD 479 to USD 13909, with a median price of USD 935. Search for your specific dates →
- What hidden fees should I expect on Hanoi (Soc Son) to San Francisco flights?
- On average, ancillary fees (bags, seat selection) add USD 6467 to the base fare on Hanoi (Soc Son) to San Francisco flights. See itemized fees for your itinerary →
- Which airline is cheapest on Hanoi (Soc Son) to San Francisco including all fees?
- HK Express has the lowest median fare on Hanoi (Soc Son) to San Francisco at USD 479 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Hanoi (Soc Son)–San Francisco flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 698. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Hanoi (Soc Son) to San Francisco routes?
- Hanoi (Soc Son) to San Francisco has 38 airlines competing, creating a price range from USD 479 to USD 13909 across 185 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
38 airlines compete on this route — we check every one
Find flights for my datesNew route — be among the first to track this itinerary
Building with flight data? Power your app or agent with LetsFG
The same multi-source search behind this page — every airline and the major booking sites, deduplicated and ranked — is available to your app or AI agent. Natural-language or structured queries, live prices, zero price bias.
Try the free sandbox — no card →Free sandbox, instant fake results · email for a key · Bearer-token auth · MCP, Python & JS SDKs · letsfg.co/developers