DIRECT FLIGHT AVAILABLE

IAH

Houston

ONT

Ontario

Houston to Ontario

IAH → ONT

Airlines

2 operating direct

Direct Flights

Available

Origin

George Bush Intercontinental Airport

Destination

Ontario International Airport

Connection Options

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Transit countries:

Direct

Connection

Route Options

Direct

1 Stop

via PHX

via AUS

via SAN

via DFW

via DAL

via LAS

via LAX

via DEN

via SLC

via SJD

via SJC

via SFO

via SMF

via MEM

via GDL

via BNA

via RFD

via SDF

via ATL

via IND

Airlines Flying Direct

Frontier

United States

Direct

United

United States

DirectCodeshare

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Price Trends

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Flight Delayed or Cancelled?

You may be entitled to up to €600 in compensation for flight disruptions on your IAH to ONT route.

Delayed by 3+ hours
Cancelled flight
Denied boarding
Claims valid up to 3 years back

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Return Flight

ONTIAHDirect

Other Routes from IAH

Departing from IAH

George Bush Intercontinental Airport

View IAH airport details All deals from IAH

Arriving at ONT

Ontario International Airport

View ONT airport details All deals to ONT