Flights Chicago → Siem Reap
As of November 2026, economy flights from Chicago to Siem Reap have a typical range USD 1048–6049, median USD 1699. Full range across all 115 offers: USD 703–10464. We analyzed 115 offers from 22 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: Chicago → Siem Reap
Based on 115 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Chicago → Siem Reap
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Japan Airlines | — | — | — |
| Etihad Airways | — | — | — |
| Turkish Airlines | — | — | — |
| Qatar Airways | Included | Included | — |
| Cathay Pacific | — | — | — |
| Emirates | — | — | — |
| EVA Air | Included | Included | — |
| Alaska Airlines | — | — | — |
| ANA | — | — | — |
| SWISS | — | — | — |
| Lufthansa | — | — | — |
| Malaysia Airlines | — | — | — |
| Philippine Airlines | — | — | — |
| Air Canada | — | — | — |
| KLM | — | — | — |
| LOT | — | — | — |
| British Airways | — | — | — |
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 Chicago to Siem Reap cost?
Based on 115 offers · November 2026
Chicago to Siem Reap flights ranged from USD 703 to USD 10464 across 115 offers analyzed in November 2026. The chart below shows how prices distributed across all 115 offers.
These 115 offers (November 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 1220 and USD 3891
What hidden fees do Chicago to Siem Reap flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Chicago to Siem Reap routes. The breakdown below is based on 115 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| JL | 0 | 0% |
| EY | 15 | 2% |
| TK | 10 | 1% |
| QR | 20 | 2% |
| CX | 50 | 1% |
| EK | 20 | 1% |
| BR | 15 | 1% |
| AS | 10 | 1% |
| NH | 0 | 0% |
| LX | 12 | 1% |
| LH | 10 | 0% |
| MH | 15 | 0% |
| PR | 15 | 1% |
| AC | 12 | 0% |
| KL | 12 | 0% |
| LO | 8 | 0% |
| BA | 15 | 0% |
Cathay Pacific: base ~USD 5243 + fees USD 50 = ~USD 5293 total. LOT Polish Airlines: base ~USD 6198 + fees USD 8 = ~USD 6206 total.
Cathay Pacific's USD 50 ancillary fees narrow the gap with LOT Polish Airlines's lower-fee model — the USD 955 base difference shrinks to USD 913 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 Chicago to Siem Reap?
22 airlines flew Chicago to Siem Reap 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.
Even on the cheapest airline (Japan Airlines), fares ranged USD 704–713 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Japan Airlines | 4 | 704–713 | 705 | 0 (0%) |
 Etihad | 1 | — | 722 | n/a |
 Turkish Airlines | 2 | 850–1024 | 937 | 10 (1%) |
 Etihad Airways | 4 | 774–1166 | 970 | 15 (2%) |
 Qatar Airways | 7 | 1037–1183 | 1051 | 20 (2%) |
 Qatar Airways | 3 | 1046–1237 | 1142 | n/a |
 EVA Air | 19 | 1195–1713 | 1239 | 15 (1%) |
 Alaska Airlines | 2 | 1312–1320 | 1316 | 10 (1%) |
 ANA | 3 | 1360–1554 | 1553 | 0 (0%) |
 Swiss | 4 | 1414–3978 | 1631 | 12 (1%) |
 SWISS | 1 | — | 1756 | n/a |
 Malaysia Airlines | 4 | 1582–6105 | 1783 | 15 (1%) |
 Philippine Airlines | 6 | 2016–2458 | 2354 | 15 (1%) |
 Air Canada | 5 | 2115–2761 | 2357 | 12 (1%) |
 Emirates | 18 | 1199–5897 | 2713 | 20 (1%) |
 KLM | 8 | 3641–3903 | 3772 | 12 (0%) |
 Cathay Pacific | 7 | 1088–5908 | 5293 | 50 (1%) |
 Lufthansa | 11 | 1528–6065 | 6033 | 10 (0%) |
 LOT Polish Airlines | 1 | — | 6206 | 8 (0%) |
 British Airways | 2 | 6411–6417 | 6414 | 15 (0%) |
 JAL | 2 | 4077–9225 | 6651 | n/a |
 United | 1 | — | 10464 | n/a |
Where do the best Chicago → Siem Reap 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: Chicago to Siem Reap flights
- Chicago–Siem Reap had 115 offers analyzed. Median price: USD 1699.
- CX charges 6.3x more in ancillary fees than LO — USD 50 vs USD 8 avg per booking.
- The same route priced USD 6672 apart depending on where it was booked — the lowest median was USD 1238. 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 Chicago to Siem Reap cost?
- Based on 115 offers analyzed, Chicago to Siem Reap flights range from USD 703 to USD 10464, with a median price of USD 1699. Search for your specific dates →
- What hidden fees should I expect on Chicago to Siem Reap flights?
- On average, ancillary fees (bags, seat selection) add USD 16 to the base fare on Chicago to Siem Reap flights. See itemized fees for your itinerary →
- Which airline is cheapest on Chicago to Siem Reap including all fees?
- Japan Airlines has the lowest median fare on Chicago to Siem Reap at USD 705 (median across 4 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Chicago–Siem Reap 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 1238. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Chicago to Siem Reap routes?
- Chicago to Siem Reap has 22 airlines competing, creating a price range from USD 703 to USD 10464 across 115 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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