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

United Airlines

5 Mar

YYC3:30 p.m.Calgary

3h 03m

SFO5:33 p.m.San Francisco

10 Mar

SFO8:39 a.m.San Francisco

2h 47m

YYC12:26 p.m.Calgary

C$ 225

United Airlines

26 Feb

YYC3:30 p.m.Calgary

3h 03m

SFO5:33 p.m.San Francisco

3 Mar

SFO8:39 a.m.San Francisco

2h 47m

YYC12:26 p.m.Calgary

C$ 238

United Airlines

26 Feb

YVR7:00 a.m.Vancouver Intl

2h 31m

SFO9:31 a.m.San Francisco

4 Mar

SFO8:31 a.m.San Francisco

2h 29m

YVR11:00 a.m.Vancouver Intl

C$ 248

United Airlines

6 Mar

YVR7:00 a.m.Vancouver Intl

2h 31m

SFO9:31 a.m.San Francisco

9 Mar

SFO11:06 a.m.San Francisco

2h 29m

YVR1:35 p.m.Vancouver Intl

C$ 251

United Airlines

26 Mar

YYZ6:45 a.m.Toronto Pearson Intl

2h 15m

ORD8:00 a.m.Chicago O'Hare Intl

29 Mar

ORD7:04 a.m.Chicago O'Hare Intl

1h 50m

YYZ9:54 a.m.Toronto Pearson Intl

C$ 257

United Airlines

26 Feb

YYC3:30 p.m.Calgary

3h 03m

SFO5:33 p.m.San Francisco

3 Mar

SFO8:39 a.m.San Francisco

2h 47m

YYC12:26 p.m.Calgary

C$ 278

One-way United Airlines flight deals

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

United Airlines

29 May

YYC8:30 a.m.Calgary

3h 20m

ORD12:50 p.m.Chicago O'Hare Intl

C$ 148

United Airlines

1 Mar

YVR7:00 a.m.Vancouver Intl

2h 31m

SFO9:31 a.m.San Francisco

C$ 152

United Airlines

25 Feb

YYZ6:45 a.m.Toronto Pearson Intl

2h 15m

ORD8:00 a.m.Chicago O'Hare Intl

C$ 166

United Airlines

31 Mar

YVR8:35 a.m.Vancouver Intl

6h 57m

1 stop

SFO3:32 p.m.San Francisco

C$ 172

United Airlines

26 Mar

YYC3:30 p.m.Calgary

3h 03m

SFO5:33 p.m.San Francisco

C$ 174

United Airlines

29 Apr

YYC1:27 p.m.Calgary

10h 03m

1 stop

ORD12:30 a.m.Chicago O'Hare Intl

C$ 179

Quick facts about United Airlines

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

Cheapest Route	C$ 65
Most Popular Route	RNO to LAX
Shortest Flight	0h 58m
Longest Flight	3h 50m

The cheapest route United Airlines flies is from Lambert-St Louis to Chicago O'Hare Intl for C$ 65

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

The quickest United Airlines flight route is 0h 58m from Cheyenne (CYS) to Denver (DEN)

The longest United Airlines flight route is 3h 50m from Chicago (ORD) to Calgary (YYC)

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Information about flying with United Airlines

Does United Airlines have flights from Toronto Pearson Intl?

Yes, United Airlines currently has 1,135 flights out of Toronto Pearson Intl per week.

Where does United Airlines fly to?

United Airlines flies a total of 1,629 routes per year to 75 countries. Vancouver, their most popular domestic destination, is just one of 990 domestic routes United Airlines flies on a routine basis. Chicago is the most popular destination out of 639 international routes.

What are the top airports United Airlines serves?

The top airports United Airlines serves are Los Angeles, San Francisco, and Chicago O'Hare 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 Sacramento Intl to Los Angeles for C$ 132 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 Lambert-St Louis to Chicago O'Hare Intl. This United Airlines route has 0 stops and costs C$ 65 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

7.4

Good9,215 verified ratings

7.3Comfort

8.1Crew

7.7Boarding

6.6Food

7.1Entertainment

10.0 Wonderful

Anonymous, Jan 2026

Friendly crew! Flight arrived before the scheduled landing ! Thank you!

10.0 Wonderful

Anonymous, Jan 2026

Great as always!

10.0 Wonderful

Anonymous, Jan 2026

Everything was great!

10.0 Wonderful

Anonymous, Jan 2026

United is an awesome airline!

8.0 Very good

Anonymous, Dec 2025

This time everything was ok

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Book flights with United Airlines

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Round-trip United Airlines flight deals

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

One-way United Airlines flight deals

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

Quick facts about United Airlines

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

Cheapest Route

Most Popular Route

Shortest Flight

Longest Flight

Information about flying with United Airlines

Does United Airlines have flights from Toronto Pearson Intl?

Where does United Airlines fly to?

What are the top airports United Airlines serves?

How do I check the flight status for United Airlines?

What is the cheapest domestic United Airlines flight?

What are the bag size limits for United Airlines?

United Airlines Reviews

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United Airlines Flight Tracker

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Popular flights with United Airlines

Popular flights according to clicks in the last 7 days on momondo