United Airlines Flights: Search & Compare Deals

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Round-trip United Airlines flight deals

Compare round-trip international and domestic flight deals from United Airlines recently found by momondo users

International

United Airlines

14 Jan

YYC4:30 p.m.Calgary

2h 59m

SFO5:29 p.m.San Francisco

17 Jan

SFO8:34 a.m.San Francisco

2h 52m

YYC1:26 p.m.Calgary

C$ 364

United Airlines

7 Jan

YYC4:30 p.m.Calgary

2h 59m

SFO5:29 p.m.San Francisco

18 Feb

SFO8:34 a.m.San Francisco

2h 52m

YYC1:26 p.m.Calgary

C$ 379

United Airlines

20 Apr

YYC3:22 p.m.Calgary

3h 01m

SFO5:23 p.m.San Francisco

22 Apr

SFO8:19 a.m.San Francisco

2h 44m

YYC12:03 p.m.Calgary

C$ 380

United Airlines

17 Feb

YYC4:30 p.m.Calgary

3h 00m

SFO5:30 p.m.San Francisco

22 Feb

SFO8:34 a.m.San Francisco

2h 52m

YYC1:26 p.m.Calgary

C$ 386

United Airlines

27 Nov

YYZ5:55 p.m.Toronto Pearson Intl

2h 10m

ORD7:05 p.m.Chicago O'Hare Intl

28 Nov

ORD5:00 a.m.Chicago O'Hare Intl

7h 43m

1 stop

YYZ1:43 p.m.Toronto Pearson Intl

C$ 391

United Airlines

21 Jan

YYC1:37 p.m.Calgary

3h 33m

ORD5:10 p.m.Chicago O'Hare Intl

24 Jan

ORD8:40 a.m.Chicago O'Hare Intl

3h 55m

YYC12:35 p.m.Calgary

C$ 425

One-way United Airlines flight deals

Find and compare United Airlines flight prices for one-way international and domestic flights

International

United Airlines

17 Jan

YYC4:30 p.m.Calgary

2h 59m

SFO5:29 p.m.San Francisco

C$ 234

United Airlines

4 Mar

YYC4:22 p.m.Calgary

3h 01m

SFO5:23 p.m.San Francisco

C$ 236

United Airlines

10 Jan

YYZ3:35 p.m.Toronto Pearson Intl

2h 15m

ORD4:50 p.m.Chicago O'Hare Intl

C$ 240

United Airlines

24 Jan

YYC4:30 p.m.Calgary

2h 59m

SFO5:29 p.m.San Francisco

C$ 247

United Airlines

5 Dec

YYZ3:35 p.m.Toronto Pearson Intl

2h 09m

ORD4:44 p.m.Chicago O'Hare Intl

C$ 254

United Airlines

18 Mar

YVR7:14 p.m.Vancouver Intl

2h 31m

SFO9:45 p.m.San Francisco

C$ 259

Quick facts about United Airlines

Find info about flight duration, flight prices, and popular routes for United Airlines

Cheapest Route	C$ 83
Most Popular Route	RNO to LAX
Shortest Flight	1h 08m
Longest Flight	3h 21m

The cheapest route United Airlines flies is from Chicago O'Hare Intl to Memphis for C$ 83

Flying from Reno to Los Angeles is currently the most popular United Airlines route

The quickest United Airlines flight route is 1h 08m from Victoria (VCT) to Houston (IAH)

The longest United Airlines flight route is 3h 21m from Chicago (ORD) to Fort Lauderdale (FLL)

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Information about flying with United Airlines

Does United Airlines have flights from Toronto Pearson Intl?

Yes, United Airlines currently has 1,185 flights out of Toronto Pearson Intl per week.

Where does United Airlines fly to?

United Airlines flies a total of 1,673 routes per year to 77 countries. Vancouver, their most popular domestic destination, is just one of 984 domestic routes United Airlines flies on a routine basis. Newark is the most popular destination out of 689 international routes.

What are the top airports United Airlines serves?

The top airports United Airlines serves are Chicago O'Hare Intl, San Francisco, and Denver Intl. You should be able to find United Airlines flights to or from these airports throughout the year.

How do I check the flight status for United Airlines?

Use our Flight Tracker to check the status of a United Airlines flight. First, type in either the flight number or the airport name, then click Track Flight. The results are in real-time, so you can know exactly when a particular United Airlines flight is landing, departing, late or on-time, and what gate it’s arriving at. You can also call United Airlines at 1-800-864-8331 or check their website (united.com) for more flight status information.

What is the cheapest domestic United Airlines flight?

If you’re looking to fly domestic with United Airlines, then flying from Washington, D.C. Dulles Intl to Pittsburgh for C$ 158 is the cheapest round-trip option. This cheap United Airlines flight has 0 stops. If you’re interested in one-way domestic flights with United Airlines, the cheapest is from Chicago O'Hare Intl to Memphis. This United Airlines route has 0 stops and costs C$ 83 per flight ticket.

What are the bag size limits for United Airlines?

Flying with United Airlines does have some restrictions when it comes to baggage dimensions. If you choose to bring one, your checked bag should be 158cm or smaller. Carry-on luggage must be 56x35x22cm or smaller, and a personal item should be within 43x25x22cm.

United Airlines Reviews

7.3

Good10,000 verified ratings

7.7Boarding

7.3Comfort

6.7Food

7.1Entertainment

8.1Crew

8.0 Very good

Jay, Oct 2026

The loading process. Less like a cattle herd and load by group #

8.0 Very good

Anonymous, Sep 2026

United Airlines was good overall. Advanced plane and on time service.

2.0 Poor

Anonymous, Sep 2026

My flight was cancelled, I was rebooked on another flight to Paris, almost missed my flight as I had a short connection. They had to call a car to take me to board the plane in Paris. My luggage was sent to London, received it 3 days later. I missed taking few of my meds.

6.0 Okay

Anonymous, Sep 2026

Fair

6.0 Okay

Luis, Aug 2026

No leg room. Entertainment was not working