Find Deals on Flights from Portland to Lambert-St Louis (PDX - STL)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Portland to Lambert-St Louis

(Round-trip)
Depart: Sat Apr 22 2017 Return: Tue Apr 25 2017 Trip spans 4 days
Frontier
Frontier
PDX
7:05a
STL
5:07p
10h 02m
1 stop
STL
9:50a
PDX
7:19p
9h 29m
1 stop
Depart: Fri Apr 21 2017 Return: Sat Apr 29 2017 Trip spans 9 days
Major Airline
Major Airline
PDX
9:00p
STL
8:14a
11h 14m
1 stop
STL
5:50a
PDX
11:55a
6h 05m
1 stop
Depart: Wed Mar 22 2017 Return: Tue Mar 28 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
PDX
4:10a
STL
8:04a
3h 54m
nonstop
STL
10:45a
PDX
3:04p
4h 19m
nonstop
Depart: Mon Mar 13 2017 Return: Wed Mar 22 2017 Trip spans 10 days
Delta
Delta
PDX
12:55p
STL
6:09p
5h 14m
1 stop
STL
1:40a
PDX
10:22a
8h 42m
1 stop
Depart: Thu May 4 2017 Return: Sat May 6 2017 Trip spans 3 days
American Airlines
American Airlines
PDX
11:25a
STL
5:55p
6h 30m
1 stop
STL
11:30a
PDX
6:55p
7h 25m
1 stop
Depart: Sat May 27 2017 Return: Sat Jun 3 2017 Trip spans 8 days
United
United
PDX
7:18p
STL
4:20a
9h 02m
1 stop
STL
1:50a
PDX
7:45a
5h 55m
1 stop
Depart: Sat Apr 29 2017 Return: Tue May 2 2017 Trip spans 4 days
Frontier
Frontier
PDX
7:05a
STL
5:07p
10h 02m
1 stop
STL
9:50a
PDX
7:19p
9h 29m
1 stop
Depart: Sat May 6 2017 Return: Tue May 9 2017 Trip spans 4 days
Frontier
Frontier
PDX
7:05a
STL
5:07p
10h 02m
1 stop
STL
9:50a
PDX
7:19p
9h 29m
1 stop
Depart: Thu Apr 6 2017 Return: Sat Apr 15 2017 Trip spans 10 days
Major Airline
Major Airline
PDX
1:00a
STL
8:12a
7h 12m
1 stop
STL
11:20a
PDX
5:54p
6h 34m
1 stop
Depart: Wed May 17 2017 Return: Tue May 23 2017 Trip spans 7 days
Frontier
Frontier
PDX
7:05a
STL
5:07p
10h 02m
1 stop
STL
9:50a
PDX
7:19p
9h 29m
1 stop
Depart: Wed Mar 29 2017 Return: Tue Apr 11 2017 Trip spans 14 days
Alaska Airlines
Alaska Airlines
PDX
4:10a
STL
8:04a
3h 54m
nonstop
STL
10:45a
PDX
3:02p
4h 17m
nonstop
Depart: Wed Apr 12 2017 Return: Sat Apr 15 2017 Trip spans 4 days
Major Airline
Major Airline
PDX
2:00p
STL
8:14a
18h 14m
1 stop
STL
4:45a
PDX
1:41p
8h 56m
1 stop
Depart: Sun May 28 2017 Return: Sat Jun 3 2017 Trip spans 7 days
United
United
PDX
10:03a
STL
4:11p
6h 08m
1 stop
STL
1:50a
PDX
7:45a
5h 55m
1 stop
Depart: Tue Mar 28 2017 Return: Tue Apr 11 2017 Trip spans 15 days
Delta
Delta
PDX
12:55p
STL
6:09p
5h 14m
1 stop
STL
1:40a
PDX
7:42a
6h 02m
1 stop
Depart: Mon May 15 2017 Return: Tue May 16 2017 Trip spans 2 days
American Airlines
American Airlines
PDX
10:56a
STL
5:58p
7h 02m
1 stop
STL
1:25p
PDX
10:09p
8h 44m
1 stop
Depart: Tue Mar 14 2017 Return: Sat Mar 25 2017 Trip spans 12 days
Frontier
Frontier
PDX
6:05a
STL
4:57p
10h 52m
1 stop
STL
11:50a
PDX
6:19a
18h 29m
1 stop
Depart: Tue May 9 2017 Return: Wed May 10 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
PDX
4:00a
STL
7:54a
3h 54m
nonstop
STL
10:35a
PDX
2:55p
4h 20m
nonstop
Depart: Tue Apr 4 2017 Return: Sat Apr 8 2017 Trip spans 5 days
Major Airline
Major Airline
PDX
1:30a
STL
8:12a
6h 42m
2 stops
STL
7:50a
PDX
2:19a
18h 29m
2 stops
Depart: Sun Apr 9 2017 Return: Wed Apr 19 2017 Trip spans 11 days
Delta
Delta
PDX
8:55p
STL
2:24a
5h 29m
1 stop
STL
1:28p
PDX
9:48p
8h 20m
1 stop
Depart: Sun Apr 2 2017 Return: Wed Apr 5 2017 Trip spans 4 days
American Airlines
American Airlines
PDX
4:35p
STL
10:45p
6h 10m
1 stop
STL
3:20a
PDX
10:52a
7h 32m
1 stop
Direct flights PDX to STL on Southwest
Flight # Depart PDX Arrive STL Sun Mon Tue Wed Thu Fri Sat Valid Between
1863 8:30 am 2:30 pm Mar 9 - Mar 10
1863 8:30 am 2:30 pm Mar 13 - Apr 24
357 8:40 am 2:30 pm Feb 16 - Mar 8
6367 10:05 am 4:05 pm Mar 12 - Apr 23
3311 10:15 am 4:05 pm Feb 19 - Mar 5
2484 11:20 am 5:10 pm Feb 18 - Mar 4
4298 11:20 am 5:15 pm Mar 11 - Mar 11
4298 11:20 am 5:15 pm Mar 18 - Apr 22
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Portland
$218
Destination

St. Louis
$218
Airlines Airline reviews

2 travelers who booked a flight from Portland to St. Louis rated their chosen airlines with an average of 10.0.

Overall
10.0
Boarding
10.0
Crew
10.0
Comfort
10.0
Food
10.0
Entertainment
10.0