
Popular airlines from Ottawa to Rosemont
- WestJet
WestJet
- United
United
- Air Canada
Air Canada
- Porter Airlines
Porter Airlines
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 30% on select hotels after you book a flight*one key icon
Cheap Flights from Ottawa to Rosemont (YOW-CHI)
Prices were available within the past 7 days and start at $187 for one-way flights and $325 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 26 - Sun, Sep 28
YOW
Ottawa
ORD
Chicago
$325 Roundtrip, just found
$325
Roundtrip
just found

Fri, Sep 26 - Sun, Sep 28
YOW
Ottawa
MDW
Chicago
$327 Roundtrip, just found
$327
Roundtrip
just found

Sun, Oct 19 - Tue, Oct 21
YOW
Ottawa
MDW
Chicago
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago

Fri, Sep 12 - Thu, Oct 2
YOW
Ottawa
MDW
Chicago
$329 Roundtrip, found 3 days ago
$329
Roundtrip
found 3 days ago

Fri, Sep 26 - Sun, Sep 28
YOW
Ottawa
ORD
Chicago
$330 Roundtrip, just found
$330
Roundtrip
just found

Thu, Oct 16 - Sun, Oct 19
YOW
Ottawa
ORD
Chicago
$547 Roundtrip, found 4 days ago
$547
Roundtrip
found 4 days ago
Find the cheapest month to fly from Ottawa (YOW) to Chicago (ORD)
May is typically the cheapest month to fly
From $330 - $728 per traveler.
Graph displaying average flight prices per month
Alternative airports near Rosemont
Prices were available within the past 7 days. Prices and availability are subject to change.
Explore a world of travel with Expedia
- Flights from Los Angeles (LAX) to Chicago (ORD)
- Flights from New York (LGA) to Chicago (ORD)
- Flights from Dallas (DFW) to Chicago (ORD)
- Flights to Chicago
- Flights from Atlanta (ATL) to Chicago (ORD)
- Flights from Minneapolis (MSP) to Chicago (ORD)
- Flights from Philadelphia (PHL) to Chicago (ORD)
- Flights from Seattle (SEA) to Chicago (ORD)
- Flights from San Francisco (SFO) to Chicago (ORD)
- Flights from Houston (HOU) to Chicago (ORD)
- Flights from Orlando (MCO) to Chicago (ORD)
- Flights from Denver (DEN) to Chicago (ORD)
- Flights from Detroit (DTW) to Chicago (ORD)
- Flights from Washington (DCA) to Chicago (ORD)
- Flights from Miami (MIA) to Chicago (ORD)
- Flights from San Diego (SAN) to Chicago (ORD)
- Flights from Las Vegas (LAS) to Chicago (ORD)
- Flights from Charlotte (CLT) to Chicago (ORD)
- Flights from Raleigh (RDU) to Chicago (ORD)
- Flights from Nashville (BNA) to Chicago (ORD)
- Flights from St. Louis (STL) to Chicago (ORD)
- Flights from Kansas City (MCI) to Chicago (ORD)
- Flights from Austin (AUS) to Chicago (ORD)
- Flights from Fort Lauderdale (FLL) to Chicago (ORD)
- Flights from Columbus (CMH) to Chicago (ORD)
- Flights from Baltimore (BWI) to Chicago (ORD)
- Flights from Portland (PDX) to Chicago (ORD)
- Flights from Pittsburgh (PIT) to Chicago (ORD)
- Flights from Cincinnati (CVG) to Chicago (ORD)
- Flights from Memphis (MEM) to Chicago (ORD)
- Flights from New Orleans (MSY) to Chicago (ORD)
- Flights from Indianapolis (IND) to Chicago (ORD)
- Flights from Salt Lake City (SLC) to Chicago (ORD)
- Flights from New York (NYC) to Chicago (ORD)
- Flights from Boston (BOS) to Chicago (ORD)
- Flights from New York (JFK) to Chicago (ORD)
- Flights from Hartford (BDL) to Chicago (ORD)
- Flights from San Antonio (SAT) to Chicago (ORD)
- Flights from Fort Myers (RSW) to Chicago (ORD)
- Flights from Louisville (SDF) to Chicago (ORD)
- Flights from Orange County (SNA) to Chicago (ORD)
- Flights from Omaha (OMA) to Chicago (ORD)
- Flights from O'Hare Intl.
- Flights from Jacksonville (JAX) to Chicago (ORD)
- Flights from San Jose (SJC) to Chicago (ORD)
- Flights from Des Moines (DSM) to Chicago (ORD)
- Flights from Richmond (RIC) to Chicago (ORD)
- Flights from Mexico City (MEX) to Chicago (ORD)
- Flights from Houston (IAH) to Chicago (ORD)
- Flights from Sacramento (SMF) to Chicago (ORD)
- Flights from Phoenix (PHX) to Chicago (ORD)
- Flights from Manila (MNL) to Chicago (ORD)
- Flights from Toronto (YYZ) to Chicago (ORD)
- Flights from Buffalo (BUF) to Chicago (ORD)
- Flights from Milwaukee (MKE) to Chicago (ORD)
- Flights from Delhi (DEL) to Chicago (ORD)
- Flights from Syracuse (SYR) to Chicago (ORD)
- Flights from Oklahoma City (OKC) to Chicago (ORD)
- Flights from Ontario (ONT) to Chicago (ORD)
- Flights from Hyderabad (HYD) to Chicago (ORD)
- Flights from Washington (IAD) to Chicago (ORD)
- Flights from Norfolk (ORF) to Chicago (ORD)
- Flights to O'Hare Intl.
- Flights from Birmingham (BHM) to Chicago (ORD)
- Flights from Charleston (CHS) to Chicago (ORD)
- Flights from London (LHR) to Chicago (ORD)
- Flights from Little Rock (LIT) to Chicago (ORD)
- Flights from Tampa (TPA) to Chicago (ORD)
- Flights from Providence (PVD) to Chicago (ORD)
- Flights from Grand Rapids (GRR) to Chicago (ORD)
- Flights from Rochester (ROC) to Chicago (ORD)
- Flights from Honolulu (HNL) to Chicago (ORD)
- Flights from Tucson (TUS) to Chicago (ORD)
- Flights from El Paso (ELP) to Chicago (ORD)
- Flights from West Palm Beach (PBI) to Chicago (ORD)
- Flights from Greenville (GSP) to Chicago (ORD)
- Flights from Cancun (CUN) to Chicago (ORD)
- Flights from Fresno (FAT) to Chicago (ORD)
- Flights from Knoxville (TYS) to Chicago (ORD)
- Flights from Springfield (SGF) to Chicago (ORD)
- Flights from White Plains (HPN) to Chicago (ORD)
- Flights from Fayetteville (XNA) to Chicago (ORD)
- Flights from Boise (BOI) to Chicago (ORD)
- Flights from Wichita (ICT) to Chicago (ORD)
- Flights from Tulsa (TUL) to Chicago (ORD)
- Flights from Savannah (SAV) to Chicago (ORD)
- Flights from Albuquerque (ABQ) to Chicago (ORD)
- Flights from Madison (MSN) to Chicago (ORD)
- Flights from Sioux Falls (FSD) to Chicago (ORD)
- Flights from Albany (ALB) to Chicago (ORD)
- Flights from Fargo (FAR) to Chicago (ORD)
- Flights from San Juan (SJU) to Chicago (ORD)
- Flights from Amman (AMM) to Chicago (ORD)
- Flights from Mumbai (BOM) to Chicago (ORD)
*Available to One Key members.