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Ontario to Istanbul ONT → IST, SAW

Ontario International Airport (ONT) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)

The cheapest return found recently is $956 with United Airlines, 8 Jan 2027 – 29 Jan 2027, found 20 hours ago. The cheapest one-way found recently is $383 with United Airlines, 29 Mar 2027, found 23 hours ago.

Return

The cheapest return fare on each of 32 departure dates is usually $960 to $1,256.

Cheapest return found recently

$956

8 Jan 2027 – 29 Jan 2027 · United Airlines

Ontario International Airport (ONT) → Istanbul New Airport (IST)

Leaves 11:20 a.m. · Return leaves 9:30 a.m. · 46 h 50 min of travel, both ways together

out 2 stops, back 2 stops · via San Francisco International Airport (SFO), Frankfurt Airport (FRA) · connection may need a visa

found 20 hours ago

See prices for these datesCheck today's price

Cheapest nonstop return

None seen yet.

FareTell may earn a commission when you book through a partner.

Found recently, and the cheapest we hold

Cheapest found recently $956 8 Jan 2027 – 29 Jan 2027found 20 hours agoSee prices for these dates

Cheapest we hold, of any age $904 25 Jan 2027 – 26 Feb 2027found 5 days agoSee prices for these dates

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $845 to $904.

At $956, the cheapest return found recently is above that range.

25 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Is this a good return price?

Compared with the cheapest return fare on each of 32 departure dates from 20 Oct to 16 Apr 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.

Could nearby dates be cheaper?

We hold no other 21-night return fares leaving within 3 days of 8 Jan 2027 to compare.

Every date we hold

123 fares on 32 departure dates

20 Oct – 24 Oct: $1,327, found yesterday21 Oct – 5 Nov: $997, found 6 days ago24 Oct – 31 Oct: $1,302, found 6 days ago25 Oct – 15 Nov: $1,068, found 3 days ago26 Oct – 30 Nov: $1,112, found 6 days ago30 Oct – 5 Dec: $1,171, found 6 days ago1 Nov – 5 Nov: $1,246, found yesterday3 Nov – 10 Nov: $995, found 2 days ago9 Nov – 17 Dec: $1,065, found 4 days ago10 Nov – 22 Nov: $1,077, found 3 days ago13 Nov – 15 Dec: $962, found 4 days ago23 Nov – 8 Dec: $943, found 4 days ago24 Nov – 8 Dec: $907, found 4 days ago25 Nov – 8 Dec: $907, found 4 days ago26 Nov – 4 Dec: $999, found 4 days ago27 Nov – 6 Dec: $1,015, found 4 days ago30 Nov – 4 Dec: $1,354, found 4 days ago4 Dec – 22 Dec: $1,176, found 4 days ago6 Dec – 9 Dec: $1,286, found 4 days ago10 Dec – 29 Dec: $1,455, found 4 days ago12 Dec – 2 Jan 2027: $1,803, found 3 days ago20 Dec – 8 Jan 2027: $2,157, found 5 days ago22 Dec – 2 Jan 2027: $1,938, found 5 days ago7 Jan 2027 – 12 Jan 2027: $1,020, found today8 Jan 2027 – 29 Jan 2027: $956, found 20 hours ago25 Jan 2027 – 26 Feb 2027: $904, found 5 days ago6 Feb 2027 – 20 Feb 2027: $970, found 2 days ago10 Feb 2027 – 20 Feb 2027: $904, found 6 days ago11 Feb 2027 – 20 Feb 2027: $943, found 6 days ago25 Feb 2027 – 5 Mar 2027: $908, found 6 days ago15 Mar 2027 – 24 Mar 2027: $962, found 2 days ago16 Apr 2027 – 21 Apr 2027: $1,014, found 4 days agoOctNovDecJanFebApr
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
20 Oct – 24 Oct$1,327United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound yesterdaySee prices for these dates
21 Oct – 5 Nov$997United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 6 days agoSee prices for these dates
24 Oct – 31 Oct$1,302United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 6 days agoSee prices for these dates
25 Oct – 15 Nov$1,068United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 3 days agoSee prices for these dates
26 Oct – 30 Nov$1,112United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 6 days agoSee prices for these dates
30 Oct – 5 Dec$1,171United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 6 days agoSee prices for these dates
1 Nov – 5 Nov$1,246Alaska AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 1 stop, back nonstopfound yesterdaySee prices for these dates
3 Nov – 10 Nov$995United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 2 days agoSee prices for these dates
9 Nov – 17 Dec$1,065United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
10 Nov – 22 Nov$1,077United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 3 days agoSee prices for these dates
13 Nov – 15 Dec$962United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
23 Nov – 8 Dec$943United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
24 Nov – 8 Dec$907United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 4 days agoSee prices for these dates
25 Nov – 8 Dec$907United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 4 days agoSee prices for these dates
26 Nov – 4 Dec$999United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 4 days agoSee prices for these dates
27 Nov – 6 Dec$1,015United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
30 Nov – 4 Dec$1,354Southwest AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 1 stop, back nonstopfound 4 days agoSee prices for these dates
4 Dec – 22 Dec$1,176United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
6 Dec – 9 Dec$1,286United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 4 days agoSee prices for these dates
10 Dec – 29 Dec$1,455United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 4 days agoSee prices for these dates
12 Dec – 2 Jan 2027$1,803Alaska AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 1 stop, back nonstopfound 3 days agoSee prices for these dates
20 Dec – 8 Jan 2027$2,157Alaska AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 1 stop, back nonstopfound 5 days agoSee prices for these dates
22 Dec – 2 Jan 2027$1,938United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back nonstopfound 5 days agoSee prices for these dates
7 Jan 2027 – 12 Jan 2027$1,020United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound todaySee prices for these dates
8 Jan 2027 – 29 Jan 2027$956United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 2 stopsfound 20 hours agoSee prices for these dates
25 Jan 2027 – 26 Feb 2027$904United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 5 days agoSee prices for these dates
6 Feb 2027 – 20 Feb 2027$970United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 2 days agoSee prices for these dates
10 Feb 2027 – 20 Feb 2027$904United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 2 stopsfound 6 days agoSee prices for these dates
11 Feb 2027 – 20 Feb 2027$943United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 2 stopsfound 6 days agoSee prices for these dates
25 Feb 2027 – 5 Mar 2027$908United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 2 stopsfound 6 days agoSee prices for these dates
15 Mar 2027 – 24 Mar 2027$962Alaska AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 2 days agoSee prices for these dates
16 Apr 2027 – 21 Apr 2027$1,014United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 4 days agoSee prices for these dates

Which month looks cheapest?

January 2027 is the cheapest month — from $904.

October 2026From $9976 departure dates21 Oct – 5 Nov · found 6 days agoSee prices for these dates
November 2026From $90711 departure dates24 Nov – 8 Dec · found 4 days agoSee prices for these datesEvery date in November 2026
December 2026From $1,1766 departure dates4 Dec – 22 Dec · found 4 days agoSee prices for these dates
January 2027From $904Cheapest seen3 departure dates25 Jan 2027 – 26 Feb 2027 · found 5 days agoSee prices for these dates
February 2027From $9044 departure dates10 Feb 2027 – 20 Feb 2027 · found 6 days agoSee prices for these dates
March 2027From $9621 departure date15 Mar 2027 – 24 Mar 2027 · found 2 days agoSee prices for these datesEvery date in March 2027
April 2027From $1,0141 departure date16 Apr 2027 – 21 Apr 2027 · found 4 days agoSee prices for these dates

Airlines on the cheapest dates: United Airlines, Alaska Airlines, Southwest Airlines.

One-way

The cheapest one-way fare on each of 23 departure dates is usually $393 to $563.

Cheapest one-way found recently

$383

29 Mar 2027 · United Airlines

Ontario International Airport (ONT) → Istanbul New Airport (IST)

Leaves 1:33 p.m. · 21 h 52 min trip

2 stops · via San Francisco International Airport (SFO), Frankfurt Airport (FRA) · connection may need a visa

found 23 hours ago

Open this tripCheck today's price

Cheapest nonstop one-way

None seen yet.

FareTell may earn a commission when you book through a partner.

Found recently, and the cheapest we hold

Cheapest found recently $383 29 Mar 2027found 23 hours agoOpen this trip

Cheapest we hold, of any age $374 14 Mar 2027found 7 days agoOpen this trip

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $374 to $405.

$383, the cheapest one-way found recently, sits here in that range of $374 to $405.

25 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Is this a good one-way price?

Compared with the cheapest one-way fare on each of 23 departure dates from 8 Feb 2027 to 17 Aug 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.

Could nearby dates be cheaper?

No. We hold one-way fares on 3 other departure dates within 3 days of 29 Mar 2027, and none is cheaper.

Every date we hold

44 fares on 23 departure dates

8 Feb 2027: $391, found 6 days ago13 Feb 2027: $430, found yesterday21 Feb 2027: $471, found 3 days ago23 Feb 2027: $387, found 3 days ago24 Feb 2027: $399, found 3 days ago14 Mar 2027: $374, found 7 days ago18 Mar 2027: $532, found yesterday20 Mar 2027: $593, found yesterday24 Mar 2027: $650, found yesterday26 Mar 2027: $470, found yesterday27 Mar 2027: $439, found yesterday29 Mar 2027: $383, found 23 hours ago30 Mar 2027: $383, found 3 days ago16 Apr 2027: $445, found 2 days ago20 Apr 2027: $387, found 3 days ago22 Apr 2027: $442, found 3 days ago29 Apr 2027: $455, found 4 days ago4 May 2027: $405, found 5 days ago31 May 2027: $680, found 3 days ago3 Jun 2027: $790, found 3 days ago12 Jun 2027: $755, found 3 days ago26 Jun 2027: $722, found 2 days ago17 Aug 2027: $395, found yesterdayFebMarAprMayJunAug
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
8 Feb 2027$391United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 6 days agoOpen this trip
13 Feb 2027$430United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound yesterdayOpen this trip
21 Feb 2027$471United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 3 days agoOpen this trip
23 Feb 2027$387United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 3 days agoOpen this trip
24 Feb 2027$399United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 3 days agoOpen this trip
14 Mar 2027$374United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 7 days agoOpen this trip
18 Mar 2027$532United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound yesterdayOpen this trip
20 Mar 2027$593United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound yesterdayOpen this trip
24 Mar 2027$650Alaska AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound yesterdayOpen this trip
26 Mar 2027$470United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound yesterdayOpen this trip
27 Mar 2027$439United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound yesterdayOpen this trip
29 Mar 2027$383United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 23 hours agoOpen this trip
30 Mar 2027$383United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 3 days agoOpen this trip
16 Apr 2027$445United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 2 days agoOpen this trip
20 Apr 2027$387United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 3 days agoOpen this trip
22 Apr 2027$442United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 3 days agoOpen this trip
29 Apr 2027$455United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 4 days agoOpen this trip
4 May 2027$405United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 5 days agoOpen this trip
31 May 2027$680Alaska AirlinesOntario International Airport (ONT) → Sabiha Gokcen International Airport (SAW)2 stopsfound 3 days agoOpen this trip
3 Jun 2027$790United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 3 days agoOpen this trip
12 Jun 2027$755Alaska AirlinesOntario International Airport (ONT) → Sabiha Gokcen International Airport (SAW)3 stopsfound 3 days agoOpen this trip
26 Jun 2027$722Alaska AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound 2 days agoOpen this trip
17 Aug 2027$395United AirlinesOntario International Airport (ONT) → Istanbul New Airport (IST)2 stopsfound yesterdayOpen this trip

Which month looks cheapest?

March 2027 is the cheapest month — from $374.

February 2027From $3875 departure dates23 Feb 2027 · found 3 days agoOpen this trip
March 2027From $374Cheapest seen8 departure dates14 Mar 2027 · found 7 days agoOpen this tripEvery date in March 2027
April 2027From $3874 departure dates20 Apr 2027 · found 3 days agoOpen this trip
May 2027From $4052 departure dates4 May 2027 · found 5 days agoOpen this trip
June 2027From $7223 departure dates26 Jun 2027 · found 2 days agoOpen this trip
August 2027From $3951 departure date17 Aug 2027 · found yesterdayOpen this trip

Airlines on the cheapest dates: United Airlines, Alaska Airlines.

Premium cabin fares from Ontario to Istanbul

We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.

Today's prices for 8 Jan 2027 – 29 Jan 2027 in another cabin: Premium economy · Business · First

Today's prices for 29 Mar 2027 in another cabin: Premium economy · Business · First

How far ahead were prices cheapest for Ontario to Istanbul?

Return

Fares 180 or more days before departure were typically 15% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

See these ranges as a table
Typical price in each booking range — round trip, per traveler in Economy.
Booked ahead byTypical fareCheapest dayAbove the cheapestDays of prices
0–6 days$998$938+18%25
7–13 days$1,009$938+19%25
14–29 days$978$901+16%25
30–59 days$959$901+13%25
60–89 days$922$909+9%25
90–179 days$902$845+7%25
180+ days$847$845Cheapest seen25

One-way

Not enough history yet: in 25 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.

Could a nearby airport be cheaper?

A different airport at either end can change the fare — sometimes a lot.

Return

Los Angeles → Istanbul

56 km from Ontario

$721

$235 less than flying from Ontario

1 Nov – 5 Nov · LAX → IST · out 1 stop, back 1 stop

found 15 hours ago

See this route

Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.

One-way

Los Angeles → Istanbul

56 km from Ontario

$377

$6 less than flying from Ontario

29 Mar 2027 · LAX → IST · 1 stop

found yesterday

See this route

Long Beach → Istanbul

60 km from Ontario

$636

$253 more than flying from Ontario

14 Mar 2027 · LGB → IST · 2 stops

found 2 days ago

See this route

Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.

Live price for these dates

The cheapest return found recently is for 8 Jan 2027 – 29 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work